Patent · US Expired

Temperature resistant coating composite

US4487815A · kind A · utility

16Cited by
6References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 7, 1983
Grant dateDec 11, 1984
Priority date
Expiry dateMar 7, 2003

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/12111
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Temperature resistant substrates, and particularly metals such as ferrous metals, coated for corrosion resistance with coatings containing particulate metal and hexavalent chromium-providing substance can now be made further corrosion resistant, as well as having excellent heat resistance, with a coating composite. In the composite, the undercoating contains a boric acid component plus substantial amounts of finely-divided aluminum as particulate metal. As an adjacent top layer, a coating containing silica substance is used.

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