Dehairing of skins and hides
US9267182B2 · kind B2 · utility
1Cited by
4References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 22, 2011 |
| Grant date | Feb 23, 2016 |
| Priority date | — |
| Expiry date | Nov 17, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC14C3/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to a method for the processing of hides or skins into leather, comprising enzymatic treatment of the hide or skin with carbohydrase in the soaking step. The present invention can achieve optimal fiber opening results in a relatively short period of time and at the same time does not cause loose grain, and meanwhile the pollution or impact on the environment is reduced in a maximum way.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.