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. 29, 2003
Filed:
May. 22, 1995
Applicant:
Inventor:
Varadaraj Elango, Corpus Christi, TX (US);
Assignee:
BASF Corporation, Mount Olive, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 5/112 ; C07C 5/114 ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
C07C 5/112 ; C07C 5/114 ; C07D / ; C07D / ;
Abstract
A method is provided for the preparation of alpha-aryl-propionic acids such as ibuprofen by carbonylating the corresponding 1-arylethyl halide in an acidic aqueous medium containing a palladium catalyst. In the preparation of ibuprofen, 1-(4′-isobutylphenyl)ethyl halide is reacted with carbon monoxide in an acidic aqueous medium containing a palladium catalyst.
Quick Actions:
Elango, Varadaraj. (2003). Process for the carbonylation of arylalkyl halides (U.S. Patent No. 6555704). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6555704
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile