Ceramic anodes for corrosion protection

US4445989A · kind A · utility

Assignee

• The United States of America as represented by the Secretary of the Army · US

Inventors

• Ashok Kumar · Jamkhed, IN
• Ellen G. Segan · Urbana, US
• John M. Bukowski · Urbana, US
• Jon L. Helgeland · Gahanna, US

Key dates

• Filing date: Aug 11, 1982
• Grant date: May 1, 1984
• Expiry date: Aug 11, 2002

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C23F13/02
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

An anode useful in corrosion protection comprising a metallic substrate having an applied layer thereon of a ferrite or a chromite, said layer having metallic electronic conductivity and a thickness of at least 10 mils (254 .mu.m).