Patent · US Expired

Aqueous polyurethane preparations

US7223478B2 · kind B2 · utility

4Cited by
5References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 2, 2003
Grant dateMay 29, 2007
Priority date
Expiry dateJul 12, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31558
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Aqueous polyurethane formulations, their use and substrates which are coated with such formulations are described.

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