Patent · US Expired

Copolymer and stainproofing agent containing the same

US6284853A · kind A · utility

5Cited by
3References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 29, 1998
Grant dateSep 4, 2001
Priority date
Expiry dateJan 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.