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:
Feb. 24, 1981
Filed:
Jun. 27, 1979
Applicant:
Inventor:
Bunji Miya, Wakayama, JP;
Assignee:
Kao Soap Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ; B01J / ;
U.S. Cl.
CPC ...
2524 / ;
Abstract
A copper-iron-aluminum hydrogenation catalyst is prepared by separately and simultaneously adding dropwise to a bath of water (a) an aqueous solution of cupric, ferrous and aluminum salts and (b) an aqueous solution of alkali metal compound effective to precipitate the copper, iron and aluminum ions, and then agitating the reaction mixture at a temperature of at least 50.degree. C., at a pH of 9.5 to 11.5, for from 10 minutes to 10 hours, then recovering the precipitate and treating it to convert it to an active catalyst.