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:
Jan. 20, 1976
Filed:
Mar. 12, 1974
Applicant:
Inventors:
Hans Juergen Nienburg, Heidelberg, DT;
Rudolf Kummer, Frankenthal, DT;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen (Rhine), DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2606 / ; 260 / ; 2605 / ; 2605 / ; 2606 / ; 2606 / ; 423417 ;
Abstract
An improved process for the production of .alpha.,.omega.-dialdehydes by reaction of linear .alpha.,.omega.-diolefins having isolated double bonds with carbon monoxide and hydrogen at elevated temperature and at superatmospheric pressure in the presence of a cobalt carbonyl complex in which the improvement consists in supplying the cobalt to the reaction as cobalt carbonyl hydride dissolved in the .alpha.,.omega.-diolefin to be used or in an inert organic solvent and carrying out the reaction at a temperature of from 70.degree. to 130.degree.C.