GB477536A - Improvements in the manufacture of sole leather - Google Patents
Improvements in the manufacture of sole leatherInfo
- Publication number
- GB477536A GB477536A GB18295/36A GB1829536A GB477536A GB 477536 A GB477536 A GB 477536A GB 18295/36 A GB18295/36 A GB 18295/36A GB 1829536 A GB1829536 A GB 1829536A GB 477536 A GB477536 A GB 477536A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sulphite cellulose
- paraffin
- july
- cellulose extract
- added
- 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
- C14C3/08—Chemical tanning by organic agents
- C14C3/24—Chemical tanning by organic agents using lignin derivatives, e.g. sulfate liquor
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
477,536. Making leather. ROHM, O. July 1, 1936, Nos. 18295 and 18296. Convention dates, July 2, 1935 and Sept. 16, 1935. [Class 76] Hides, which may be pickled or unpickled, are tanned by first treating them with sulphite cellulose extract and then in a bath or baths containing silicic acid or an acidified silicate, e.g. water glass. Bichromates may be added to the sulphite cellulose extract. Silicic acid baths, except the first, may also contain sulphite cellulose extract. Small amounts of other tanning. agents may be added to the tanning bath, e.g. chrome or potash alum, aluminium formate or a condensation product of naphthalene-sulphonic acid and formaldehyde. The tanned hides may be further treated with hard fats or waxes, e.g. tallow, paraffin, carnauba wax, synthetic waxes, &c., or the grain side may be treated with neat's-foot oil. A mixture of paraffin and tetrahydronaphthalene is suitable for the greasing treatment.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE477536X | 1935-07-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB477536A true GB477536A (en) | 1938-01-03 |
Family
ID=6542134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB18295/36A Expired GB477536A (en) | 1935-07-02 | 1936-07-01 | Improvements in the manufacture of sole leather |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB477536A (en) |
-
1936
- 1936-07-01 GB GB18295/36A patent/GB477536A/en not_active Expired
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