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:
Sep. 25, 2001
Filed:
Aug. 04, 1999
Applicant:
Inventors:
Klaus Rödiger, Bochum, DE;
Klaus Dreyer, Essen, DE;
Monika Willert-Porada, Dortmund, DE;
Thorsten Gerdes, Dortmund, DE;
Assignee:
Widia GmbH, Essen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 2/902 ;
U.S. Cl.
CPC ...
C22C 2/902 ;
Abstract
A hard metal or cermet sintered body and a method of making it wherein a solid phase containing WC and a binder phase are formed together with WC platelets by direct microwave irradiation, utilizing reactive sintering to form the WC at least in part and to produce the platelets.