Patent · US Expired

Environmentally friendly coating compositions, bonding solution, and coated parts

US5803990A · kind A · utility

18Cited by
22References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 6, 1995
Grant dateSep 8, 1998
Priority date
Expiry dateJun 6, 2015

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.