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:
Nov. 24, 1992
Filed:
Mar. 04, 1988
Applicant:
Inventor:
Leonard M Niebylski, Baton Rouge, LA (US);
Assignee:
Ethyl Corporation, Richmond, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428446 ; 501 88 ; 501 97 ; 427226 ; 427227 ; 524442 ; 524443 ; 524789 ; 524484 ; 428447 ;
Abstract
Preceramic compositions which are useful in providing protective ceramic coatings on carbon/carbon composites, graphite, and other carbonaceous materials are prepared by dispersing about 0.4-1.5 parts by weight of silicon carbide, silicon nitride, or a mixture thereof in a solution of one part by weight of a polysilazane in about 2.5-10 parts by weight of a liquid aromatic hydrocarbon.