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:
Dec. 10, 1996
Filed:
Dec. 21, 1995
Applicant:
Inventors:
Tomoyuki Mori, Kurashiki, JP;
Hiroshi Kameo, Kurashiki, JP;
Shinji Isogai, Kurashiki, JP;
Soichiro Saita, Kurashiki, JP;
Assignee:
Mitsubishi Chemical Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
5689095 ;
Abstract
A method for continuously producing alkadienols, which comprises subjecting a conjugated alkadiene and water to a hydration dimerization reaction in a continuous type reactor in the presence of carbon dioxide and a catalyst comprising a palladium compound and a phosphorus compound, wherein a hydrophobic phosphorus compound is used as the phosphorus compound, and the reaction is carried out in the presence of an amine while maintaining the concentration of the conjugated alkadiene in the reaction solution in the reactor within a range of from 0.5 to 4.5 wt %.