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:
Apr. 15, 1980
Filed:
Dec. 28, 1978
Applicant:
Inventors:
Vagab S Aliev, Baku, SU;
Ramiz G Rizaev, Baku, SU;
Veli S Gadzhi-Kasumov, Baku, SU;
Beniamin G Ter-Sarkisov, Baku, SU;
Rashid M Talyshinsky, Baku, SU;
Lidia P Pilaeva, Baku, poselok Razina, SU;
Zhalya M Seifullaeva, Baku, SU;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; B01J / ;
U.S. Cl.
CPC ...
585626 ; 208134 ; 252456 ; 252464 ; 252469 ; 585658 ;
Abstract
The process for preparing butadiene (divinyl) according to the present invention comprises dehydrogenation of n-butane or a mixture thereof with n-butene at a temperature ranging from 550.degree. to 650.degree. C. in the presence of oxygen, an inert diluent and a catalyst having the following composition, percent by weight: