GB1277856A - Leather processing compositions - Google Patents
Leather processing compositionsInfo
- Publication number
- GB1277856A GB1277856A GB5998070A GB5998070A GB1277856A GB 1277856 A GB1277856 A GB 1277856A GB 5998070 A GB5998070 A GB 5998070A GB 5998070 A GB5998070 A GB 5998070A GB 1277856 A GB1277856 A GB 1277856A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acid
- dec
- alkali metal
- weight
- leather
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C3/00—Tanning; Compositions for tanning
- C14C3/02—Chemical tanning
- C14C3/28—Multi-step processes
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C3/00—Tanning; Compositions for tanning
- C14C3/02—Chemical tanning
- C14C3/08—Chemical tanning by organic agents
- C14C3/18—Chemical tanning by organic agents using polycondensation products or precursors thereof
- C14C3/20—Chemical tanning by organic agents using polycondensation products or precursors thereof sulfonated
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)
Abstract
1277856 Tanning leather W R GRACE & CO 17 Dec 1970 [17 Dec 1969] 59980/70 Heading C6C A composition for use with or without a vegetable tanning agent on untanned hides or in the retanning of chrome-tanned hides to produce a light-coloured, soft-texture leather consists of 50 to 99À9% by weight of an alkali metal salt, preferably sodium, of a polymerized naphthalene sulphonic acid and 0À1 to 50% by weight of an organic compound which sequesters chromium and/or iron, e.g. citric acid, ethylenediaminetetra-acetic acid, N, N-di (hydroxyethyl)-glycine, nitrilotriacetic acid and the alkali metal, especially sodium, salts of these acids.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US88596669A | 1969-12-17 | 1969-12-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1277856A true GB1277856A (en) | 1972-06-14 |
Family
ID=25388087
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5998070A Expired GB1277856A (en) | 1969-12-17 | 1970-12-17 | Leather processing compositions |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2061898A1 (en) |
FR (1) | FR2073869A5 (en) |
GB (1) | GB1277856A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101978077A (en) * | 2008-03-20 | 2011-02-16 | 巴斯夫欧洲公司 | Method for manufacturing leather |
-
1970
- 1970-12-16 FR FR7045411A patent/FR2073869A5/fr not_active Expired
- 1970-12-16 DE DE19702061898 patent/DE2061898A1/en active Pending
- 1970-12-17 GB GB5998070A patent/GB1277856A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2073869A5 (en) | 1971-10-01 |
DE2061898A1 (en) | 1971-06-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |