Patent · US Expired

Polyurethanes

US7655310B2 · kind B2 · utility

26Cited by
11References
17Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 27, 2005
Grant dateFeb 2, 2010
Priority date
Expiry dateMar 19, 2026

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31605
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Polyurethanes-urea based on perfluoropolyethers comprising ionizable groups and pendant groups having the following structure:—RI—Si(ORII)n(OH)3−n  (I)wherein:

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.