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:
May. 07, 1985
Filed:
Dec. 14, 1982
Applicant:
Inventors:
Michel Boudart, Stanford, CA (US);
Shigeo T Oyama, Palo Alto, CA (US);
Leo Volpe, Redwood City, CA (US);
Assignee:
Board of Trustees of Leland Stanford Jr. Univeristy, Stanford, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ; C01B / ;
U.S. Cl.
CPC ...
423409 ; 423440 ;
Abstract
Method and compositions produced thereby concerning high specific surface area carbides and nitrides. The carbides and nitrides are obtained by thermal reduction of oxides in the presence of a source of carbon or nitrogen respectively, with relatively slow progressive temperature increases prior to completion of the reaction, followed by quenching.