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:
Sep. 24, 1991
Filed:
Mar. 22, 1990
Applicant:
Inventors:
John L Robbins, Stockton, NJ (US);
Elise Marucchi-Soos, Warren, NJ (US);
Ming Chow, Three Bridges, NJ (US);
William E Gates, Somerset, NJ (US);
Shun C Fung, Bridgewater, NJ (US);
Assignee:
Exxon Research and Engineering Company, Florham Park, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ; B01J / ; B01J / ;
U.S. Cl.
CPC ...
502 62 ; 502 66 ; 502 74 ; 502241 ; 502261 ; 502327 ; 502521 ;
Abstract
Supported Group VIII noble metal reforming catalysts are pretreated with an unsaturated aliphatic hydrocarbon at elevated temperatures, thereby lower activity during initial reforming operation and reducing gas production during the initial operation.