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:
Jul. 28, 1992
Filed:
May. 22, 1991
Deepak S Thakur, Solon, OH (US);
Eugene Palka, Parma, OH (US);
Thomas J Sullivan, Strongsville, OH (US);
Eugene Nebesh, Parma, OH (US);
Brian D Roberts, Cleveland Heights, OH (US);
Engelhard Corporation, Edison, NJ (US);
Abstract
This hydrogenation catalyst comprises a major amount of the oxides of a first metal selected from copper or zinc, a second metal selected from chromium, molybdenum, tungsten and vanadium, and optionally, a minor amount of the oxide of a promoter metal selected from the group consisting of manganese, barium, zinc, nickel, cobalt, cadmium, iron and any combination thereof provided that the promotor metal is not zinc if the first metal is zinc. The average particle diameter of the powder is from about 6 to about 20 microns; and the particle surface area is from about 20 to about 70 m.sup.2 /g. The process for preparing this catalyst comprises the steps of