Self-repairing structure and coating for corrosive medium

Details Self-repairing structure and coating for corrosive medium Self-repairing structure and coating for corrosive medium

2007-05-22

2007-05-22

Bell, Bruce F. (Department: 1746)

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C204S196360, C204S196100, C204S196010

Reexamination Certificate

active

11116375

ABSTRACT:
The invention concerns a structure comprising at least one metallic surface which undergoes cathodic protection and a protective coating for said surface, said coating comprising a polymer including micro-capsules containing compounds sensitive to the electric field generated by the cathodic protection and capable of reacting in an alkaline medium to form a protective layer on the surface of the structure when it is in direct contact with a corrosive medium.The invention also concerns the coating associated with said structure.

REFERENCES:
patent: 2200469 (1940-05-01), Cox
patent: 7108914 (2006-09-01), Skipor et al.
patent: 2004/0007784 (2004-01-01), Skipor et al.
patent: 2006/0275376 (2006-12-01), Guimberteau et al.
patent: WO 99/61182 (1999-12-01), None
patent: WO 2004/016826 (2004-02-01), None

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