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:
Jul. 05, 1994
Filed:
Jul. 25, 1983
David M Shuford, Grand Prairie, TX (US);
Loral Vought Systems Corporation, Grand Prairie, TX (US);
Abstract
A post treatment for carbon-carbon substrates for the protection of carbon and graphite materials to which have been applied a silicon carbide primary coating from degradation at elevated temperatures. The treatment comprising coating the substrate with a first film of monoaluminum phosphate, water, particulate silicate carbide, silicon carbide felt, alumina, and boron; curing the first film, applying over the first film, a second film comprising water, sodium silicate, sodium borate, particulate silicon carbide and silicon carbide felt, and curing the second coating. Optionally a third film may be applied over the cured second film. The third film comprises sodium borate, water and sodium silicate which is cured after application.