Patent · US Expired

Coated substrates

US4836768A · kind A · utility

9Cited by
9References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 15, 1987
Grant dateJun 6, 1989
Priority date
Expiry dateApr 15, 2007

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31935
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A body having a substrate surface which comprises corrodible material and on which substrate surface is present a coherent protective layer of an anti-corrosion composition which comprises a solid matrix of electrical conductivity .gtoreq.10.sup.-6 mho cm.sup.-1 and formed by reaction between at least water-soluble Bronsted acid and at least one Lewis base in which matrix is incorporated an elemental metal, or an alloy thereof, the matrix and metal being effective in service as electrolyte and sacrificial anode, respectively.

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