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:
Dec. 20, 1994
Filed:
Dec. 11, 1992
Applicant:
Inventors:
Paul Stonehart, Madison, CT (US);
Kazunori Tsurumi, Hiratsuka, JP;
Assignees:
Tanaka Kikinzoku Kogyo K.K., Madison, JP;
Stonehart Associates Inc., Madison, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ;
U.S. Cl.
CPC ...
502185 ; 502339 ; 502344 ;
Abstract
Disclosed herewith is a process of preparing a metal supported catalyst having a high surface area comprising reducing one or more metal-containing ions in a solution employing one or more reducing agents selected from the group consisting of thiourea and thioacetamide, and supporting the reduced metal or metals onto a support. The thiourea and the thioacetamide exhibit more excellent activity and durability than those of ordinary reducing agents such as sodium borohydride and other sulfur-containing reducing agents.