Fluorochemical composition for coating soil resistant yarn
US4604316A · kind A · utility
5Cited by
4References
33Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 14, 1982 |
| Grant date | Aug 5, 1986 |
| Priority date | — |
| Expiry date | Sep 14, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2915
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Improved retention on yarn and processing properties have been discovered in a composition of matter comprising meta and para pyromellitates ##STR1## and 70 to 95 percent by weight of specific dimers and other oligomers of I. and II., wherein A is (CH.sub.2).sub.2 (CF.sub.2).sub.n CF.sub.3, where n is 5 to 13 and B is CH.sub.2 CHOHCH.sub.2 Cl.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.