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EP3754007A1 - A coated non-woven sheet - Google Patents

A coated non-woven sheet Download PDF

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Publication number
EP3754007A1
EP3754007A1 EP19181041.5A EP19181041A EP3754007A1 EP 3754007 A1 EP3754007 A1 EP 3754007A1 EP 19181041 A EP19181041 A EP 19181041A EP 3754007 A1 EP3754007 A1 EP 3754007A1
Authority
EP
European Patent Office
Prior art keywords
sheet
perfume
mixture
phase mixture
carrier material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP19181041.5A
Other languages
German (de)
French (fr)
Inventor
Kevin Graham Blyth
Ruth CHILTON
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Procter and Gamble Co
Original Assignee
Procter and Gamble Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Procter and Gamble Co filed Critical Procter and Gamble Co
Priority to EP19181041.5A priority Critical patent/EP3754007A1/en
Publication of EP3754007A1 publication Critical patent/EP3754007A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
    • C11D17/041—Compositions releasably affixed on a substrate or incorporated into a dispensing means
    • C11D17/042—Water soluble or water disintegrable containers or substrates containing cleaning compositions or additives for cleaning compositions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0008—Detergent materials or soaps characterised by their shape or physical properties aqueous liquid non soap compositions
    • C11D17/0013—Liquid compositions with insoluble particles in suspension
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
    • C11D17/041—Compositions releasably affixed on a substrate or incorporated into a dispensing means
    • C11D17/047—Arrangements specially adapted for dry cleaning or laundry dryer related applications
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
    • C11D17/049—Cleaning or scouring pads; Wipes
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/06—Powder; Flakes; Free-flowing mixtures; Sheets
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/0005—Other compounding ingredients characterised by their effect
    • C11D3/0068—Deodorant compositions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2003—Alcohols; Phenols
    • C11D3/2006—Monohydric alcohols
    • C11D3/2027—Monohydric alcohols unsaturated
    • C11D3/2031—Monohydric alcohols unsaturated fatty or with at least 8 carbon atoms in the alkenyl chain
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2093—Esters; Carbonates
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/50—Perfumes
    • C11D3/502—Protected perfumes
    • C11D3/505—Protected perfumes encapsulated or adsorbed on a carrier, e.g. zeolite or clay
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/005—Compositions containing perfumes; Compositions containing deodorants
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/144—Alcohols; Metal alcoholates
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/224—Esters of carboxylic acids; Esters of carbonic acid

Definitions

  • the present invention relates to a coated non-woven sheet.
  • the sheet of the present invention provides improved longevity of freshness, especially fabric odor performance.
  • Fabric treatment products such as laundry detergents and fabric enhancers typically deposit perfume onto the treated fabric to provide a freshness benefit, and especially a freshness benefit to the dry fabric.
  • the present invention seeks to provide an improvement in the longevity of this freshness benefit, especially the longevity of the dry fabric odor performance benefit.
  • a coated non-woven sheet that uses specific amounts of perfume, specific perfume raw materials and high levels of a specific hydrophobic carrier material can provide improved longevity of the freshness benefit, especially the longevity of the dry fabric odor performance benefit.
  • the present invention relates to a coated non-woven sheet, wherein the coating comprises a single-phase mixture, wherein the single-phase mixture comprises: (a) from 33wt% to 67wt% perfume; and (b) at least 33wt% hydrophobic carrier material selected from wax esters, wax alcohols, fatty alcohols, fatty acids, and mixtures thereof.
  • a coated non-woven sheet The non-woven sheet is coated with a coating comprising a single-phase mixture, wherein the single-phase mixture comprises:
  • the coating comprises a single-phase mixture.
  • the coating comprises clay, wherein the clay is in the form of a discontinuous phase, and wherein the single-phase mixture at least partially surrounds the discontinuous phase clay.
  • the single-phase mixture comprises:
  • the single-phase mixture comprises:
  • the perfume comprises at least 66wt% of perfume raw materials having a boiling point of at least 250°C.
  • Hydrophobic carrier material is selected from wax esters, wax alcohols, fatty alcohols, fatty acids, and mixtures thereof
  • Suitable waxes may be natural or synthetic. Suitable waxes suitable include beeswax, candellia wax, ozocerite, japan wax, carbowax, Fischer-Tropsch waxes, carnauba wax, petroleum wax, and any combination thereof Petroleum wax includes paraffin wax, polyoelfins, amorphous and microcrystalline waxes.
  • Water-insoluble laundry dryer sheet The water-insoluble laundry dryer sheet can be coated with a coating that comprises a second mixture, wherein the second mixture comprises a cationic fabric softener alkyl ester quaternary ammonium compound and optionally clay and optionally perfume.
  • the second mixture may comprise a cationic fabric softener alkyl ester quaternary ammonium compound and optionally clay and optionally additional perfume
  • Water-soluble laundry detergent sheet The sheet may be a water-soluble laundry detergent sheet.
  • the water-soluble laundry detergent sheet may comprise a detersive surfactant.
  • Water-insoluble mop sheet The sheet may be a water-insoluble mop sheet.
  • a suitable process for making a water-insoluble laundry dryer sheet sheet defined above comprises the steps of:
  • Step (b) Step (b) contacts the single-phase mixture to a non-woven sheet to at least partially, preferably completely, coat the sheet.
  • Step (c) Step (c) contacts a second mixture to the sheet obtained in step (b) to at least partially, preferably completely, coat the sheet.
  • Example 1 Method of coating a non-woven sheet

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Dispersion Chemistry (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

The present invention relates to a coated non-woven sheet, wherein the coating comprises a single-phase mixture, wherein the single-phase mixture comprises: (a) from 33wt% to 67wt% perfume; and (b) at least 33wt% hydrophobic carrier material selected from wax esters, wax alcohols, fatty alcohols, fatty acids, and mixtures thereof.

Description

    FIELD OF THE INVENTION
  • The present invention relates to a coated non-woven sheet. The sheet of the present invention provides improved longevity of freshness, especially fabric odor performance.
    • BACKGROUND OF THE INVENTION
  • Fabric treatment products such as laundry detergents and fabric enhancers typically deposit perfume onto the treated fabric to provide a freshness benefit, and especially a freshness benefit to the dry fabric. The present invention seeks to provide an improvement in the longevity of this freshness benefit, especially the longevity of the dry fabric odor performance benefit.
  • The inventors have found that a coated non-woven sheet that uses specific amounts of perfume, specific perfume raw materials and high levels of a specific hydrophobic carrier material can provide improved longevity of the freshness benefit, especially the longevity of the dry fabric odor performance benefit.
    • SUMMARY OF THE INVENTION
  • The present invention relates to a coated non-woven sheet, wherein the coating comprises a single-phase mixture, wherein the single-phase mixture comprises: (a) from 33wt% to 67wt% perfume; and (b) at least 33wt% hydrophobic carrier material selected from wax esters, wax alcohols, fatty alcohols, fatty acids, and mixtures thereof.
    • DETAILED DESCRIPTION OF THE INVENTION
  • A coated non-woven sheet: The non-woven sheet is coated with a coating comprising a single-phase mixture, wherein the single-phase mixture comprises:
    1. (a) from 33wt% to 67wt% perfume; and
    2. (b) at least 33wt% hydrophobic carrier material selected from wax esters, wax alcohols, fatty alcohols, fatty acids, and mixtures thereof.
  • Coating: The coating comprises a single-phase mixture.
  • It may be preferred that the coating comprises clay, wherein the clay is in the form of a discontinuous phase, and wherein the single-phase mixture at least partially surrounds the discontinuous phase clay.
  • Single-phase mixture: The single-phase mixture comprises:
    1. (a) from 33wt% to 67wt% perfume; and
    2. (b) at least 33wt% hydrophobic carrier material selected from wax esters, wax alcohols, fatty alcohols, fatty acids, and mixtures thereof.
  • It may be preferred that the single-phase mixture comprises:
    1. (a) from 40wt% to 60wt% perfume; and
    2. (b) at least 33wt% hydrophobic carrier material selected from wax esters, wax alcohols, fatty alcohols, fatty acids, and mixtures thereof.
  • Perfume: It may be preferred that the perfume comprises at least 66wt% of perfume raw materials having a boiling point of at least 250°C.
  • Hydrophobic carrier material: The hydrophobic carrier material is selected from wax esters, wax alcohols, fatty alcohols, fatty acids, and mixtures thereof
  • Suitable waxes may be natural or synthetic. Suitable waxes suitable include beeswax, candellia wax, ozocerite, japan wax, carbowax, Fischer-Tropsch waxes, carnauba wax, petroleum wax, and any combination thereof Petroleum wax includes paraffin wax, polyoelfins, amorphous and microcrystalline waxes.
  • Water-insoluble laundry dryer sheet: The water-insoluble laundry dryer sheet can be coated with a coating that comprises a second mixture, wherein the second mixture comprises a cationic fabric softener alkyl ester quaternary ammonium compound and optionally clay and optionally perfume.
  • Second mixture: The second mixture may comprise a cationic fabric softener alkyl ester quaternary ammonium compound and optionally clay and optionally additional perfume
  • Water-soluble laundry detergent sheet: The sheet may be a water-soluble laundry detergent sheet.
  • The water-soluble laundry detergent sheet may comprise a detersive surfactant.
  • Water-insoluble mop sheet: The sheet may be a water-insoluble mop sheet.
  • Process for making a water-insoluble laundry dryer sheet: A suitable process for making a water-insoluble laundry dryer sheet sheet defined above comprises the steps of:
    1. (a) forming the single-phase mixture by contacting the perfume with the wax, wherein the wax is in molten form at a temperature above its melting point;
    2. (b) contacting the single-phase mixture to the sheet to at least partially coat the sheet;
    3. (c) contacting the second mixture to the sheet to at least partially coat the sheet; and
    4. (d) cooling the wax to a temperature below its melting point,
    wherein the single-phase mixture and the second mixture are contacted to the sheet in two separate streams.
  • Step (a): Step (a) forms the single-phase mixture by contacting the perfume with the hydrophobic carrier material, wherein the hydrophobic carrier material is in molten form at a temperature above its melting point.
  • Step (b): Step (b) contacts the single-phase mixture to a non-woven sheet to at least partially, preferably completely, coat the sheet.
  • Step (c): Step (c) contacts a second mixture to the sheet obtained in step (b) to at least partially, preferably completely, coat the sheet.
  • Step (d): Step (d) cools the hydrophobic material to a temperature below its melting point to form the sheet.
    • EXAMPLES Materials
    • Perfume sample (100% active)
    • Carnauba Wax ex Sigma Aldrich
    • LAS F lakes (CALSOFT F90), 93.2% Active
    Equipment
    • Laboratory oven
    • Speedmixer DAC150FVZ-K
    • IKA A 11 basic Analytical mill
    Example 1 Method of coating a non-woven sheet
  • Combine the following ingredients in a container:
    • Perfume (10g): and
    • Carnauba wax (30g).
  • Seal the container and place in an oven set at 95°C to melt the wax.
    Coat a non-woven polyvinyl alcohol sheet with the molten perfume/wax mixture.
    Cool the coated non-woven sheet.

Claims (8)

  1. A coated non-woven sheet, wherein the coating comprises a single-phase mixture, wherein the single-phase mixture comprises:
    (a) from 33wt% to 67wt% perfume; and
    (b) at least 33wt% hydrophobic carrier material selected from wax esters, wax alcohols, fatty alcohols, fatty acids, and mixtures thereof.
  2. A sheet according to claim 1, wherein the sheet is a water-insoluble laundry dryer sheet, and wherein the coating comprises a second mixture, wherein the second mixture comprises a cationic fabric softener alkyl ester quaternary ammonium compound and optionally clay and optionally additional perfume.
  3. A sheet according to claim 2, wherein the single-phase mixture comprises:
    (a) from 40wt% to 60wt% perfume; and
    (b) at least 33wt% hydrophobic carrier material selected from wax esters, wax alcohols, fatty alcohols, fatty acids, and mixtures thereof.
  4. A sheet according to any of claims 2-3, wherein the coating comprises clay, wherein the clay is in the form of a discontinuous phase, and wherein the single-phase mixture at least partially surrounds the discontinuous phase clay.
  5. A sheet according to any of claims 2-4, wherein the perfume comprises at least 66wt% of perfume raw materials having a boiling point of at least 250°C.
  6. A sheet according to claim 1, wherein the sheet is water-soluble laundry detergent sheet, and wherein the sheet comprises a detersive surfactant.
  7. A sheet according to claim 1, wherein the sheet is a water-insoluble mop sheet.
  8. A process for making a water-insoluble laundry dryer sheet according to any of claims 2-5, wherein the process comprises the steps of:
    (a) forming the single-phase mixture by contacting the perfume with the hydrophobic carrier material, wherein the hydrophobic carrier material is in molten form at a temperature above its melting point;
    (b) contacting the single-phase mixture to the sheet to at least partially coat the sheet;
    (c) contacting a second mixture to the sheet obtained in step (b) to at least partially coat the sheet; and
    (d) cooling the hydrophobic carrier material to a temperature below its melting point to obtain the sheet
    wherein the single-phase mixture and the second mixture are contacted to the sheet in two separate streams.
EP19181041.5A 2019-06-18 2019-06-18 A coated non-woven sheet Withdrawn EP3754007A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19181041.5A EP3754007A1 (en) 2019-06-18 2019-06-18 A coated non-woven sheet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19181041.5A EP3754007A1 (en) 2019-06-18 2019-06-18 A coated non-woven sheet

Publications (1)

Publication Number Publication Date
EP3754007A1 true EP3754007A1 (en) 2020-12-23

Family

ID=66998228

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19181041.5A Withdrawn EP3754007A1 (en) 2019-06-18 2019-06-18 A coated non-woven sheet

Country Status (1)

Country Link
EP (1) EP3754007A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4152272A (en) * 1976-10-29 1979-05-01 The Procter & Gamble Company Fabric conditioning composition
WO2000065141A1 (en) * 1999-04-23 2000-11-02 Unilever Plc Process for making dryer sheets
US20050176598A1 (en) * 2001-01-29 2005-08-11 Bergquist Catharine J. Compositions and method for targeted controlled delivery of active ingredients and sensory markers onto hair, skin and fabric
US20070270327A1 (en) * 2006-05-22 2007-11-22 The Procter & Gamble Company Dryer-added fabric care articles imparting fabric feel benefits
US20170283750A1 (en) * 2016-04-01 2017-10-05 The Procter & Gamble Company Dryer-activated fabric conditioning products having frangible boundaries and methods

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4152272A (en) * 1976-10-29 1979-05-01 The Procter & Gamble Company Fabric conditioning composition
WO2000065141A1 (en) * 1999-04-23 2000-11-02 Unilever Plc Process for making dryer sheets
US20050176598A1 (en) * 2001-01-29 2005-08-11 Bergquist Catharine J. Compositions and method for targeted controlled delivery of active ingredients and sensory markers onto hair, skin and fabric
US20070270327A1 (en) * 2006-05-22 2007-11-22 The Procter & Gamble Company Dryer-added fabric care articles imparting fabric feel benefits
US20170283750A1 (en) * 2016-04-01 2017-10-05 The Procter & Gamble Company Dryer-activated fabric conditioning products having frangible boundaries and methods

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