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. 20, 1977
Filed:
Jun. 20, 1975
Applicant:
Inventors:
Toshikatsu Manabe, Ohme, JA;
Masao Ohta, Kure, JA;
Tetsuichi Kudo, Tokyo, JA;
Shouji Mochizuki, Hachioji, JA;
Tetsuo Gejyo, Tokyo, JA;
Assignees:
Hitachi, Ltd., Tokyo, JA;
Babcock-Hitachi K.K., Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G / ; C01F / ; C01G / ;
U.S. Cl.
CPC ...
423593 ; 252 629 ; 252 6256 ; 252518 ; 252519 ; 252520 ; 252521 ; 4232132 ; 423594 ; 423598 ; 423239 ; 423351 ; 423600 ; 423263 ;
Abstract
Nitric acid is added to an aqueous solution of organic acid salts of metals to be included in a resulting complex oxide powder, into which an aqueous solution of an inorganic salt of other metal component has been incorporated according to need, and the resulting solution is heated until the organic acid salts are decomposed and the decomposition product is heated, whereby a intended complex powder which is very fine and highly bulky and has a large specific surface area is obtained.