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:
Nov. 07, 1989
Filed:
Aug. 01, 1988
Applicant:
Inventors:
Hanswilhelm Bach, Duisburg, DE;
Helmut Bahrmann, Hamminkeln-Brunen, DE;
Boy Cornils, Hofheim, DE;
Wilhelm Gick, Duisburg, DE;
Volker Heim, Oberhausen, DE;
Werner Konkol, Oberhausen, DE;
Ernst Wiebus, Oberhausen, DE;
Assignee:
Hoechst Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568454 ; 568455 ;
Abstract
A process for the preparation of aldehydes including reacting olefins with carbon monoxide and hydrogen in an aqueous liquid phase in the presence of a rhodium catalyst and a specific class of water soluble aryl phosphines. These phosphines are preferably mixtures of alkali metal salts and quaternary ammonium salts of sulfonated aryl phosphines.