Use of superabsorbent polymers for treating raw skins, corresponding compositions and methods and resulting treated skins
US6964745B1 · kind B1 · utility
1Cited by
2References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 6, 2000 |
| Grant date | Nov 15, 2005 |
| Priority date | — |
| Expiry date | Mar 6, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2220/68
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to use of superabsorbent (co)polymers (SAP) as an agent for preservation treatment of animal hides. The SAP is used preferably in conjunction with salt or other hygroscopic agent, in particular 50% NaCl/50% SAP by weight. Suitably treated hides are obtained in 24 hours and one-half less salt is used in comparison to the prior art, disadvantages such as surface brine, salt in slaughterhouse waste, and others being eliminated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.