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:
Feb. 02, 1999
Filed:
Aug. 23, 1996
Applicant:
Inventors:
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562522 ;
Abstract
A process for selectively preparing a carboxylic acid by reacting an olefin with carbon monoxide in the presence of at least an equimolar amount of water with respect to the olefin at a temperature of from 50.degree. to 150.degree. C. and a pressure of from 30 to 150 bar and also in the presence of a halogen-free catalyst system consisting of rhodium or a rhodium compound and at least one nitrogen-containing heterocyclic compound as a promoter
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Schafer, Martin. (1999). Process for selectively preparing carboxylic acids by carbonylation of (U.S. Patent No. 5866716). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5866716
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