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:
Feb. 01, 2000
Filed:
Jul. 30, 1998
Applicant:
Inventors:
Judy S Riffle, Blacksburg, VA (US);
John J Lesko, Blacksburg, VA (US);
Norman Broyles, Pearisburg, VA (US);
Stephen V Davis, Rochester, NY (US);
Nikhil Verghese, Blacksburg, VA (US);
Assignee:
Virginia Tech Intellectual Properties, Inc., Blacksburg, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428357 ; 428105 ; 428361 ; 428375 ; 428392 ; 428408 ;
Abstract
Composite material having carbon fibers embedded in a polymeric matrix comprising a thermoset resin, where the carbon fibers are precoated with a sizing agent comprising a saturated polyurethane or polyhydroxyether before being embedded in the resin. The invention also contemplates processes for making this composite material and intermediate products thereof.