Patent · US Expired

Environmentally friendly coating compositions

US5478413A · kind A · utility

25Cited by
12References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 27, 1994
Grant dateDec 26, 1995
Priority date
Expiry dateDec 27, 2014

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC04B2111/1075
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

An aqueous phosphoric bonding solution and coating composition slurry which are environmentally friendly in that they are generally free of molybdate or chromium. Yet the solution is stable with respect to inorganic metal particles, especially aluminum which are admixed to the bonding solution for the preparation of the coating slurry. The metal coated parts and the method of coating the parts with the coating composition are also described. The parts have very satisfactory properties.

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