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:
Oct. 21, 1980
Filed:
Dec. 13, 1978
Applicant:
Inventor:
Kenzie Nozaki, Houston, TX (US);
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
585509 ; 585503 ; 585506 ; 585627 ; 2524 / ; 2604 / ;
Abstract
A process for preparing 1,7-octadiene by hydrodimerizing butadiene which comprises reacting the butadiene in the presence of formic acid, or a salt thereof, optionally a solvent and a catalyst comprising palladium complexed with a sterically hindered phosphine, phosphinite or phosphonite and a different ligand selected from phosphine, phosphinite, phosphonite or phosphite. Enhanced catalytic activity is obtained.