Patent · US Expired

Waterborne coating composition

US5414041A · kind A · utility

25Cited by
13References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 8, 1994
Grant dateMay 9, 1995
Priority date
Expiry dateApr 8, 2014

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G18/706
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A waterborne coating composition containing an aqueous dispersion of a polymer, the polymer being substantially free from hydroxyl, primary amino, and secondary amino groups and the polymer bearing at least two active methylene groups, and an aqueous dispersion of a polyisocyanate bearing at least two isocyanate groups is provided. Also provided is a method of improving the chemical resistance of a coating and a substrate coated with the waterborne coating composition.

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