Patent · US Expired

Powder coating composition

US6599992B1 · kind B1 · utility

3Cited by
42References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 16, 2000
Grant dateJul 29, 2003
Priority date
Expiry dateMay 16, 2020

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S525/934
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The present invention provides a powder coating composition. The powder coating composition includes a polyester resin having both hydroxyl and carboxyl groups, a curing agent for the carboxyl groups of the polyester resin, and an uretdione hardener which reacts with the hydroxyl groups.

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