GB236543A - Process for the depilation of hides and skins - Google Patents
Process for the depilation of hides and skinsInfo
- Publication number
- GB236543A GB236543A GB16434/25A GB1643425A GB236543A GB 236543 A GB236543 A GB 236543A GB 16434/25 A GB16434/25 A GB 16434/25A GB 1643425 A GB1643425 A GB 1643425A GB 236543 A GB236543 A GB 236543A
- Authority
- GB
- United Kingdom
- Prior art keywords
- ammonium
- skins
- hides
- sulphide
- depilation
- 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
- C14C1/00—Chemical treatment prior to tanning
- C14C1/06—Facilitating unhairing, e.g. by painting, by liming
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Glass Compositions (AREA)
Abstract
236,543. Bergmann, M. July 2, 1924, [Convention date]. Treatment preliminary to training.-Hides and skins are depilated by the use of ammonium sulphide or other ammonium salts of weak acids, together with soluble silicates, for example water glass. The ammonium sulphide may be formed by a mixture of sodium sulphide and ammonium salts, such as ammonium chloride.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE236543X | 1924-07-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB236543A true GB236543A (en) | 1925-12-17 |
Family
ID=5902356
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB16434/25A Expired GB236543A (en) | 1924-07-02 | 1925-06-25 | Process for the depilation of hides and skins |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB236543A (en) |
-
1925
- 1925-06-25 GB GB16434/25A patent/GB236543A/en not_active Expired
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