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GB969865A - - Google Patents

Info

Publication number
GB969865A
GB969865A GB37955/61A GB3795561A GB969865A GB 969865 A GB969865 A GB 969865A GB 37955/61 A GB37955/61 A GB 37955/61A GB 3795561 A GB3795561 A GB 3795561A GB 969865 A GB969865 A GB 969865A
Authority
GB
United Kingdom
Prior art keywords
chromium
sodium
ordinately
bating
deliming
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.)
Expired
Application number
GB37955/61A
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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Publication of GB969865A publication Critical patent/GB969865A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C14SKINS; HIDES; PELTS; LEATHER
    • C14CCHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C3/00Tanning; Compositions for tanning
    • C14C3/02Chemical tanning
    • C14C3/04Mineral tanning
    • C14C3/06Mineral tanning using chromium compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
  • Detergent Compositions (AREA)

Abstract

After liming, deliming, bating and pickling hides are tanned with chromium sulphate with a co-ordinately linked radical of a water-soluble mono-, di- or hydroxy carboxylic acid in an amount not more than 0.8 mole. per atom of chromium. The compounds are used in the form of powders or aqueous solutions with a minimum chromic oxide content of 15%. Auxiliary agents are sodium carbonate, sodium bicarbonate or sodium sulphite.
GB37955/61A 1960-10-28 1961-10-23 Expired GB969865A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF32434A DE1230170B (en) 1960-10-28 1960-10-28 Tanning process

Publications (1)

Publication Number Publication Date
GB969865A true GB969865A (en) 1964-09-16

Family

ID=7094635

Family Applications (1)

Application Number Title Priority Date Filing Date
GB37955/61A Expired GB969865A (en) 1960-10-28 1961-10-23

Country Status (3)

Country Link
US (1) US3174817A (en)
DE (1) DE1230170B (en)
GB (1) GB969865A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003072833A1 (en) * 2002-02-28 2003-09-04 Council Of Scientific And Industrial Research A process for making chrome tanned leathers

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3254938A (en) * 1962-08-29 1966-06-07 Rodriguez Pedro Villa Leather tanning
DE2739844C3 (en) * 1977-09-03 1987-07-09 Bayer Ag, 5090 Leverkusen Chrome tanning process
DE2908967A1 (en) * 1979-03-07 1980-09-18 Bayer Ag AGING RESISTANT CHROME TANKS
IT1121190B (en) * 1979-07-24 1986-03-26 Torrini Ottavio PROCESSING OF LEATHER WITH TRIVALENT GROMINE SALTS WITHIN ROTATING BARRELS WITHOUT RESIDUAL BATH FOR REASONS OF ECOLOGICAL ORDER
DE3306374A1 (en) * 1983-02-24 1984-08-30 Basf Ag, 6700 Ludwigshafen METHOD FOR TANNING SKIN WITH A HIGH BASIC CHROME TANNER
TR200708916A1 (en) * 2007-12-25 2009-07-21 Soda Sanay� A.�. The use of chromium complexes in leather.
MX380851B (en) 2018-01-16 2025-03-12 Tfl Ledertechnik Gmbh CHROME TANNING AGENTS

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2999003A (en) * 1959-02-06 1961-09-05 Du Pont Leather tanning agent and process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003072833A1 (en) * 2002-02-28 2003-09-04 Council Of Scientific And Industrial Research A process for making chrome tanned leathers

Also Published As

Publication number Publication date
US3174817A (en) 1965-03-23
DE1230170B (en) 1966-12-08

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