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:
Aug. 15, 1995
Filed:
Mar. 08, 1993
Applicant:
Inventors:
Paul E Gray, North East, MD (US);
Mark H Headinger, Hockessin, DE (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ; C23C / ;
U.S. Cl.
CPC ...
427190 ; 427203 ; 427249 ; 427255 ; 4272552 ; 427387 ; 4273977 ; 4274197 ;
Abstract
Carbon or ceramic matrix composites are protected from oxidation at high temperatures by a layer formed from a mixture of solid particles in a binder which is cured and then coated with ceramic material by chemical vapor infiltration.