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. 21, 1992
Filed:
Sep. 20, 1990
Applicant:
Inventor:
Alain Nonn, Pfastatt, FR;
Assignee:
Rhone-Poulenc Chimie, Cedex, FR;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
570206 ; 570182 ; 570183 ; 570190 ;
Abstract
A process for the bromination of biphenyl, particularly for the preparation of 4-bromobiphenyl or of 4,4'-dibromobiphenyl. The process comprises reacting biphenyl with BrCl. The BrCl may be formed in situ in the reaction medium or may be formed before reaction with biphenyl.
Nonn, Alain. (1992). Process for bromination of biphenyl with brcl (U.S. Patent No. 5107044). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5107044
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile