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:
Aug. 14, 1984
Filed:
Dec. 23, 1981
Applicant:
Inventors:
Assignee:
Istituto Donegani S.p.A., Novara, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11C / ; C09F / ;
U.S. Cl.
CPC ...
260413 ; 260410 ;
Abstract
This invention relates to a process for preparing dienoic acids. In particular, the present invention relates to a catalytic process for preparing octadienoic acids from 3-butenoic acids and butadiene. More particularly the present invention is directed to the preparation of octadienoic acids haing the two double bonds in position 3,6 and 2,6 in respect of the carboxylic carbon, starting from 3-butenoic acids and butadiene in the presence of complex catalysts of Rhodium or of Nickel.