Patent · US Expired

Polyester resin composition for powder coatings prepared from endomethylenetetrahydrophthalic acid

US3956228A · kind A · utility

17Cited by
1References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 20, 1974
Grant dateMay 11, 1976
Priority date
Expiry dateMay 20, 1994

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01B3/421
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A polyester obtained from dibasic acids mixture containing 10 to 50 mole-% of endomethylene-tetrahydrophthalic acid and glycols is used in a resin composition for powder coatings. This composition has a good storage stability and when heated in the air at 150.degree. to 220.degree.C exhibits favorable fluidity to form an even coating which quickly hardens to a film with excellent characteristics.

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