The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 28, 1994
Filed:
Jul. 05, 1984
David M Shuford, Arlington, TX (US);
Loral Vought Systems Corporation, Grand Prairie, TX (US);
Abstract
A post treatment for protection from degradation at elevated temperatures of carbon and graphite materials to which have been applied a silicon carbide primary coating. The treatment comprising coating the substrate with a first film comprising monoaluminum phosphate, water, particulate silicon carbide, silicon carbide felt, alumina, and .boron; curing the first film, applying over the first film, a second film comprising monoaluminum phosphate, water, alumina and boron; curing the second film, applying a third film comprising water, sodium silicate, sodium borate, boron, particulate silicon carbide and silicon carbide felt; curing the third film, applying a fourth film comprising sodium borate, water, sodium silicate, boron and alumina which is cured after application.