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. 30, 1977
Filed:
Nov. 24, 1975
Applicant:
Inventor:
Harold E Debolt, Andover, MA (US);
Assignee:
Avco Corporation, Wilmington, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C / ; B05D / ;
U.S. Cl.
CPC ...
4272 / ; 427 52 ; 4272 / ; 4272 / ; 427249 ; 4273 / ; 427399 ; 427402 ;
Abstract
A filamentary reinforcement product for composites used in applications requiring high strength and high modulus of elasticity materials, particularly under high temperature service conditions, comprising one mil thick or thicker coatings of boron or boron carbide on a substrate which comprises about a one mil diameter carbon substrate having a catalytically transformed skin layer of highly oriented graphite formed from the carbon substrate using a boron catalyst.