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:
Nov. 16, 1993
Filed:
May. 06, 1992
Applicant:
Inventors:
Bernard Riefling, Darmstadt, DE;
Jurgen Seubert, Darmstadt, DE;
Volker Reiffenrath, Rossdorf, DE;
Reinhard Hittich, Modautal, DE;
Assignee:
Merck Patent Gesellschaft mit beschrankter Haftung, Darmstadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ; C07F / ; C07F / ; C07C / ;
U.S. Cl.
CPC ...
556445 ; 556466 ; 556489 ; 556454 ; 558287 ; 558288 ; 558298 ; 570129 ; 570141 ; 570163 ; 570143 ; 570171 ; 546345 ;
Abstract
The invention relates to a process for the reaction of fluorinated or chlorinated aromatics with electrophiles at the ortho position relative to the fluorine or chlorine atom, characterized in that a strong base is added to a mixture of the fluorinated or chlorinated aromatic and the electrophile.
Riefling, Bernard. (1993). Process for the reaction of halogenated aromatics with electrophiles (U.S. Patent No. 5262556). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5262556
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile