Patent · US Expired

Chelate-forming aqueous resin composition

US4067838A · kind A · utility

9Cited by
2References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 12, 1976
Grant dateJan 10, 1978
Priority date
Expiry dateFeb 12, 1996

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G59/5093
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A chelate-forming two-pack type aqueous resin composition comprising (i) an aqueous dispersion of a resin containing in the molecule at least 2 epoxy groups and (ii) a reaction product formed between an amino curing agent containing in the molecule at least 2 nitrogen atoms and active hydrogen atoms bonded thereto and protocatechuic acid and/or gallic acid is disclosed.

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