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:
Mar. 02, 2004
Filed:
Oct. 18, 2001
Applicant:
Inventors:
Mathias Woydt, D-13465 Berlin, DE;
Michael Dogigli, D-85757 Karlsfeld, DE;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 3/900 ;
U.S. Cl.
CPC ...
B21D 3/900 ;
Abstract
In carbon reinforcements, in particular when used in carbon-fiber reinforced materials, sulfur-complex forming substances are chemically adsorbed, at least in part, at potential oxidation locations of an hexagonal carbon lattice to provide internal protection against oxidation.