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MX2017002073A - Eteres de celulosa esterificados con bajo contenido insoluble en acetona. - Google Patents

Eteres de celulosa esterificados con bajo contenido insoluble en acetona.

Info

Publication number
MX2017002073A
MX2017002073A MX2017002073A MX2017002073A MX2017002073A MX 2017002073 A MX2017002073 A MX 2017002073A MX 2017002073 A MX2017002073 A MX 2017002073A MX 2017002073 A MX2017002073 A MX 2017002073A MX 2017002073 A MX2017002073 A MX 2017002073A
Authority
MX
Mexico
Prior art keywords
esterified cellulose
cellulose ether
acetone
groups
cellulose ethers
Prior art date
Application number
MX2017002073A
Other languages
English (en)
Inventor
Petermann Oliver
Sprehe Matthias
Knarr Matthias
Original Assignee
Dow Global Technologies Llc
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 Dow Global Technologies Llc filed Critical Dow Global Technologies Llc
Publication of MX2017002073A publication Critical patent/MX2017002073A/es

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B13/00—Preparation of cellulose ether-esters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
    • A61K47/36—Polysaccharides; Derivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
    • A61K47/38—Cellulose; Derivatives thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/4816—Wall or shell material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/08—Cellulose derivatives
    • C08L1/32—Cellulose ether-esters
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D101/00—Coating compositions based on cellulose, modified cellulose, or cellulose derivatives
    • C09D101/08—Cellulose derivatives
    • C09D101/32—Cellulose ether-esters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/141—Intimate drug-carrier mixtures characterised by the carrier, e.g. ordered mixtures, adsorbates, solid solutions, eutectica, co-dried, co-solubilised, co-kneaded, co-milled, co-ground products, co-precipitates, co-evaporates, co-extrudates, co-melts; Drug nanoparticles with adsorbed surface modifiers
    • A61K9/146—Intimate drug-carrier mixtures characterised by the carrier, e.g. ordered mixtures, adsorbates, solid solutions, eutectica, co-dried, co-solubilised, co-kneaded, co-milled, co-ground products, co-precipitates, co-evaporates, co-extrudates, co-melts; Drug nanoparticles with adsorbed surface modifiers with organic macromolecular compounds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/20—Pills, tablets, discs, rods
    • A61K9/2004—Excipients; Inactive ingredients
    • A61K9/2022—Organic macromolecular compounds
    • A61K9/205—Polysaccharides, e.g. alginate, gums; Cyclodextrin
    • A61K9/2054—Cellulose; Cellulose derivatives, e.g. hydroxypropyl methylcellulose

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Animal Behavior & Ethology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Epidemiology (AREA)
  • Polymers & Plastics (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Biochemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Wood Science & Technology (AREA)
  • Inorganic Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Medicinal Preparation (AREA)

Abstract

Ésteres de celulosa esterificados que tienen i) como grupos éster grupos acilo monovalentes alifáticos o grupos de la fórmula -C(O)-R-COOA o una combinación de grupos acilo monovalentes alifáticos o grupos de la fórmula -C(O)-R-COOA, en donde R es un grupo hidrocarburo alifático o aromático y A es hidrogeno o un catión, y ii) un contenido de no más de 0.85 por ciento en peso de partículas de éter de celulosa esterificado insoluble en acetona, cuando el éter de celulosa esterificado está presente en una mezcla de 12.5 partes en peso de éter de celulosa esterificado y 87.5 partes en peso de acetona a 21°C, el porcentaje en peso de partículas de éter de celulosa esterificado insoluble en acetona que está basado en el peso total del éter de celulosa esterificado, en donde iii) no más de 14 por ciento de partículas de éter de celulosa esterificado insoluble en acetona tienen un tamaño de partícula de más de 90 micrometros.
MX2017002073A 2014-08-27 2015-08-18 Eteres de celulosa esterificados con bajo contenido insoluble en acetona. MX2017002073A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201462042410P 2014-08-27 2014-08-27
PCT/US2015/045596 WO2016032791A1 (en) 2014-08-27 2015-08-18 Esterified cellulose ethers of low acetone-insoluble content

Publications (1)

Publication Number Publication Date
MX2017002073A true MX2017002073A (es) 2017-05-25

Family

ID=54066187

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2017002073A MX2017002073A (es) 2014-08-27 2015-08-18 Eteres de celulosa esterificados con bajo contenido insoluble en acetona.

Country Status (8)

Country Link
US (1) US10526421B2 (es)
EP (1) EP3186285B1 (es)
JP (2) JP7044550B2 (es)
KR (1) KR20170045249A (es)
CN (1) CN106661130B (es)
BR (1) BR112017003191A2 (es)
MX (1) MX2017002073A (es)
WO (1) WO2016032791A1 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10604588B2 (en) * 2016-04-05 2020-03-31 Shin-Etsu Chemical Co., Ltd. Hypromellose acetate succinate powder excellent in dissolved state and production method thereof, and production methods for composition for solid dispersion, coating composition, drug-containing particle, and solid preparation
US20210115161A1 (en) * 2017-03-17 2021-04-22 Dow Global Technologies Llc Process for Recovering an Esterified Cellulose Ether from a Reaction Product Mixture

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2099502A (en) 1933-05-29 1937-11-16 Fmc Corp Cleaning device for strainers
US3435027A (en) 1965-12-13 1969-03-25 Hercules Inc Cellulose ether-esters and process
US4226981A (en) 1977-09-28 1980-10-07 Shin-Etsu Chemical Co., Ltd. Ether-ester derivatives of cellulose and their applications
DE2917104A1 (de) 1979-04-27 1980-11-06 Hoechst Ag Verfahren zur viskositaetserniedrigung von celluloseethern durch ozon und seine verwendung
US4365060A (en) 1979-04-28 1982-12-21 Shin-Etsu Chemical Co. Ltd. Enterosoluble capsules
JPS6225101A (ja) 1985-07-24 1987-02-03 Shin Etsu Chem Co Ltd 低重合度セルロ−スエ−テルの製造方法
JPS6281402A (ja) 1985-10-07 1987-04-14 Shin Etsu Chem Co Ltd セルロ−スエ−テル酸性ジカルボン酸エステルの製造方法
JPH06256171A (ja) 1993-03-04 1994-09-13 Shin Etsu Chem Co Ltd セルロース系腸溶性コーチング剤
EP0872233A1 (en) 1997-04-14 1998-10-21 Janssen Pharmaceutica N.V. Antiretroviral compositions with improved bioavailability
US6261218B1 (en) 1998-12-01 2001-07-17 The Dow Chemical Company Process and apparatus for making low molecular weight cellulose ethers
IL130602A0 (en) * 1999-06-22 2000-06-01 Dexcel Ltd Stable benzimidazole formulation
DE10141680B4 (de) 2001-08-25 2004-02-26 Clariant Gmbh Verfahren zur Herstellung niederviskoser Celluloseether durch sauer-oxidativen Abbau von gemahlenen und getrockneten Celluloseethern
EP1469829B1 (en) 2002-02-01 2016-01-27 Bend Research, Inc Immediate release dosage forms containing solid drug dispersions
ATE409462T1 (de) 2004-05-28 2008-10-15 Pfizer Prod Inc Pharmazeutische zusammensetzungen mit verbesserter leistung enthaltend ein hpmca polymer
KR101705204B1 (ko) 2009-09-11 2017-02-09 롯데정밀화학 주식회사 장용성 경질 캡슐용 수성 조성물, 장용성 경질 캡슐의 제조방법 및 장용성 경질 캡슐
KR101182827B1 (ko) * 2010-06-11 2012-09-14 삼성정밀화학 주식회사 장용성 경질 캡슐의 제조방법 및 장용성 경질 캡슐
BR112012031667A2 (pt) 2010-06-14 2016-11-08 Dow Global Technologies Llc composição
WO2013148154A1 (en) 2012-03-27 2013-10-03 Dow Global Technologies Llc A process of preparing an ester of a cellulose ether
EP2836205B1 (en) 2012-04-11 2016-10-19 Dow Global Technologies LLC Esterified cellulose ethers having a specific substituent distribution
US9047964B2 (en) * 2012-08-20 2015-06-02 Qualcomm Incorporated Multi-level memory cell using multiple magnetic tunnel junctions with varying MGO thickness
CN104797604B (zh) 2012-08-24 2018-03-06 陶氏环球技术有限责任公司 在碱金属羧酸盐和脂族羧酸的存在下制备酯化纤维素醚的方法
BR112015002055A2 (pt) 2012-08-24 2017-07-04 Dow Global Technologies Llc acetato succinato de hidroxialquil metil celulose, composição, dispersão sólida, processo para produzir uma dispersão sólida, forma de dosagem e cápsula de envoltório
US10759873B2 (en) 2014-02-20 2020-09-01 Dow Global Technologies Llc Esterified cellulose ethers of high molecular weight and homogeneity

Also Published As

Publication number Publication date
JP6982133B2 (ja) 2021-12-17
JP2017525815A (ja) 2017-09-07
CN106661130B (zh) 2020-07-24
BR112017003191A2 (pt) 2017-11-28
WO2016032791A1 (en) 2016-03-03
US10526421B2 (en) 2020-01-07
EP3186285A1 (en) 2017-07-05
CN106661130A (zh) 2017-05-10
US20170240654A1 (en) 2017-08-24
JP2020164876A (ja) 2020-10-08
KR20170045249A (ko) 2017-04-26
EP3186285B1 (en) 2022-04-13
JP7044550B2 (ja) 2022-03-30

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