Leather waterproofing formulation and leather goods waterproofed therewith
US6753369B2 · kind B2 · utility
3Cited by
20References
46Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 16, 2001 |
| Grant date | Jun 22, 2004 |
| Priority date | — |
| Expiry date | Nov 21, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC14C9/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to novel formulations for water proofing leather, a process for waterproofing leather, and leather goods waterproofed by the formulations and processes of the present invention. More specifically, the present invention relates to the use of a composition containing a salt of polyalkyl carboxylic acid anhydride, an aliphatic carboxylic acid amide, a fatty alcohol or blend of fatty alcohols, an alcohol cosolvent, a preservative, and water for imparting improved hydrophobicity, flexibility, and/or product feel of the finished leather goods.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.