Patent · US Expired

Melamine based protective coatings for thermoplastic substrates

US4714657A · kind A · utility

26Cited by
9References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 18, 1985
Grant dateDec 22, 1987
Priority date
Expiry dateApr 18, 2005

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31786
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A protective coating composition containing certain polyester polyols and an aminoplast derivative is applied to a thermoplastic substrate to produce a thermoformable article having mar- and solvent-resistance.

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