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. 13, 1979
Filed:
Dec. 22, 1977
Applicant:
Inventors:
Bunji Miya, Wakayama, JP;
Yuzi Sawamoto, Wakayama, JP;
Kunizo Hashiba, Wakayama, JP;
Shizuo Hisamitsu, Wakayama, JP;
Assignee:
Kao Soap Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ; B01J / ;
U.S. Cl.
CPC ...
2524 / ; 568885 ;
Abstract
Copper-iron-aluminum catalysts are prepared by dissolving a cupric salt, a ferrous salt and an aluminum salt in water, adding an alkali to the solution at a temperature higher than 60.degree. C. whereby to form a precipitate, separating the precipitate and water-washing, drying, calcining and pulverizing the separated precipitate.