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:
Feb. 05, 1991
Filed:
Sep. 08, 1989
Applicant:
Inventors:
Keisuke Wada, Yokohama, JP;
Keiichi Sato, Tokyo, JP;
Yukio Kasori, Yokkaichi, JP;
Yoko Misu, Tokyo, JP;
Assignee:
Mitsubishi Kasei Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
5689095 ; 568845 ;
Abstract
An improving method for producing alkadienols by reaction of conjugated alkadiene and water in the presence of carbon dioxide and a catalyst composed of a palladium compound and phosphine (or phosphite), wherein the by-products having high boiling point and the palladium catalyst are efficiently separated from the reaction product for re-use without impairing their effectiveness as the catalyst.