Patent · US Expired

Protective coating composition and method of use therefor

US4440582A · kind A · utility

10Cited by
8References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 15, 1982
Grant dateApr 3, 1984
Priority date
Expiry dateApr 15, 2002

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31663
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Metal parts, such as bolts, fasteners, and the like having improved corrosion resistance are obtained by (a) phosphating the metal part and, thereafter (b) coating the metal with an aqueous coating composition consisting essentially of: (1) a phosphating oil, (2) a siloxane which is either a polyalkylsiloxane or an alkylpolysiloxane, and (3) water.

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