Patent · US Expired

Primer composition

US6652977B2 · kind B2 · utility

3Cited by
13References
14Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 10, 2001
Grant dateNov 25, 2003
Priority date
Expiry dateSep 10, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31663
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A primer composition for metal surfaces is described. The primer composition has a coupling-agent and a cross-linking agent and may be used for epoxy-based paints in the absence of a phosphate coating and a chromic acid rinse.

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