Leather dressing composition of an aqueous emulsion of solvent solutions of substituted celluloses and polyurethanes
US4066818A · kind A · utility
7Cited by
6References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 20, 1976 |
| Grant date | Jan 3, 1978 |
| Priority date | — |
| Expiry date | Sep 20, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31558
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A composition for dressing leather and leather substitutes comprising an aqueous emulsion of (A) an organic solvent solution of nitrocellulose or cellulose acetate butyrate and (B) an organic solvent solution of a linear polyurethane resin, in a ratio of A : B of 1 : 0.1 to 1 : 10.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.