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:
Nov. 24, 1998
Filed:
Jun. 27, 1996
Applicant:
Inventor:
Kunio Saegusa, Ibaraki, JP;
Assignee:
Sumitomo Chemical Co., Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C01B / ; C01B / ; C01B / ; C01B / ;
U.S. Cl.
CPC ...
423592 ; 501-1 ; 501 94 ; 423593 ; 423594 ; 423595 ; 423596 ; 423598 ; 423599 ; 423600 ; 423604 ; 423605 ; 423606 ; 423607 ; 423608 ; 423610 ; 423617 ; 423618 ; 423619 ; 423620 ; 423622 ; 423624 ; 423625 ; 423632 ; 423635 ; 423636 ; 423263 ;
Abstract
A method for producing a metal oxide powder which comprises heating a metal or metals in an atmosphere gas comprising a halogen gas, a hydrogen halide gas or a mixture of these gases in a concentration of from 0.5% by volume or more to 99.5% by volume or less; and oxygen, water vapor or a mixture of these gases in a concentration of from 0.5% by volume or more to 99.5% by volume or less.