Copolymer and stainproofing agent containing the same
US6284853A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 29, 1998 |
| Grant date | Sep 4, 2001 |
| Priority date | — |
| Expiry date | Jan 29, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2969
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention provides a copolymer whose durability on cleaning is improved while maintaining good water- and oil-repellency. Disclosed is a copolymer having: PA1 (i) a fluoroalkyl group, PA1 (ii) a urethane or urea linkage, and PA1 (iii) a functional group selected from the group consisting of a carboxyl group, a carboxylic anhydride group, an epoxy group, a phosphoric group, an alkoxysilane group, a imine group, a sulfonic group, an amino group, an isocyanate group and a chlorine atom, and a stainproof agent containing the copolymer as an active component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.