Patent ID: 11932949
Assignee: THE BOEING COMPANY
Field: Surface technology, coating (Chemistry)
Classification: CPC C  B | IPC B  C

Claim 0:
1. A method of coating a metallic surface, comprising:
forming a first solution having a pH 3.5 to about 4.5, the solution comprising a corrosion inhibitor having one or more thiol moieties, a hydroxide, an acid, and a metal alkoxide;
coating the metallic surface with the first solution to form a treated metallic surface;
curing the treated metallic surface at a pressure of about 760 Torr to about 3 Torr and a temperature of about 10° C. to about 50° C.;
coating the treated metallic surface with a second solution comprising an organosilane containing solid dissolved in a solvent; and
curing the treated metallic surface with the second solution to form a coating system.