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. 19, 1994
Filed:
Jan. 22, 1993
Applicant:
Inventors:
Fawzy G Sherif, Stony Point, NY (US);
Willem Vreugdenhil, Katonah, NY (US);
Assignee:
Akzo Nobel NV, Arnhem, NL;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ;
U.S. Cl.
CPC ...
502 64 ; 502 60 ;
Abstract
Tungsten carbide/zeolite catalysts useful in the hydrogenation of unsaturated sulfur containing compounds and in particular in the production of tetrahydrothiophene are provided. Also provided is a process for the production of tetrahydrothiophene from thiophene using the tungsten carbide/zeolite catalysts taught, which effects the selective production of tetrahydrothiophene without producing large quantities of H.sub.2 S and unwanted hydrocarbons.