Substrate having high initial water repellency and a laundry durable water repellency
US6309752A · kind A · utility
22Cited by
50References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 14, 1999 |
| Grant date | Oct 30, 2001 |
| Priority date | — |
| Expiry date | Jan 14, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/2262
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Compositions comprising a fluorochemical agent, a copolymer extender, and a blocked isocyanate extender and substrates treated with such compositions that possess high initial water repellency and laundry durable water repellency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.