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, 1977
Filed:
Jun. 16, 1976
Applicant:
Inventor:
Reginald Gregory, Camberley, EN;
Assignee:
The British Petroleum Company Limited, London, EN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
260673 ; 208 66 ; 208135 ; 208141 ; 252463 ; 252475 ; 2606833 ;
Abstract
This invention relates to a process for producing aromatic hydrocarbons, particularly xylenes, by dehydrocyclodimerization of a C.sub.4 feedstock in the presence of a catalyst comprising alumina promoted by zinc or a zinc compound.