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. 06, 1985
Filed:
Dec. 07, 1983
Applicant:
Inventors:
Boy Cornils, Dinslaken, DE;
Josef Hibbel, Oberhausen, DE;
Gunther Kessen, Oberhausen, DE;
Werner Konkol, Oberhausen, DE;
Bernhard Lieder, Bottrop, DE;
Ernst Wiebus, Oberhausen, DE;
Heinz Kalbfell, Schermbeck, DE;
Hanswilhelm Bach, Duisburg, DE;
Assignee:
Ruhrchemie Aktiengesellschaft, Oberhausen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
568454 ; 568909 ;
Abstract
A process for the hydroformylation of olefins having 2 to 5 carbon atoms using rhodium catalysts in a low pressure process, wherein the waste gas from the low pressure plant containing the olefin is compressed and used in a high pressure plant.