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. 25, 1989
Filed:
Sep. 11, 1987
Applicant:
Inventors:
Hiroshi Ono, Fujisawa, JP;
Takaharu Kasuga, Kamakura, JP;
Shinji Kiyono, Yokohama, JP;
Yoshihiro Fujita, Kamakura, JP;
Assignee:
Mitsui Toatsu Chemicals, Incorporated, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568490 ; 568454 ; 568466 ;
Abstract
A process for the production of 2-chloropropionaldehyde from vinyl chloride, carbon monoxide and hydrogen which comprises using a rhodium compound and a trivalent organic phosphorus compound or the oxide of a trivalent organic phosphorus compound as a catalyst and carrying out the reaction under the co-existence of an acid the pka of which is in the range of 0.5-5, the oxide, hydroxide or a weak acid salt of an alkali metal or alkaline earth metal, or a buffer solution.