Patent · US Expired

Process for treating metal surfaces

US5004646A · kind A · utility

11Cited by
1References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 14, 1989
Grant dateApr 2, 1991
Priority date
Expiry dateMar 14, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31692
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

Metal surfaces are treated with an aqueous medium containing a phosphate diester of a hydroxyacrylate or methacrylate containing a hydrocarbon chain having from 7 to 16 carbon atoms. The treated metal surfaces give improved retention of adhesive strength when adhesives are subsequently applied.

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