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. 03, 1987
Filed:
Nov. 19, 1984
Applicant:
Inventors:
Assignee:
Otsuka Chemical Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01B / ; C01G / ;
U.S. Cl.
CPC ...
252516 ; 252518 ; 252519 ; 252520 ; 252521 ; 423263 ; 423592 ; 423593 ; 423608 ; 423610 ; 423617 ; 423618 ;
Abstract
A process for preparing a metamorphosed metal oxide, which comprises heating, under a non-oxidative (and not hydrogenous) atmosphere, a mixture of at least one metal oxide, said metal being selected from the group consisting of elements of Groups III, IV, V and II b and transition elements in Periodic Table, and a carbide represented by the formula: