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:
Jun. 05, 1984
Filed:
Jan. 13, 1983
Applicant:
Inventor:
Hans P Sehnem, Wuppertal, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560 21 ;
Abstract
A novel process for the preparation of ethoxycarbonylmethyl 5-(2,6-dichloro-4-trifluoromethyl-phenoxy-2-nitro-.alpha.-phenoxy-propiona te of the formula ##STR1## by reacting ethoxycarbonylmethyl 3-(2,6-dichloro-4-trifluoromethyl-phenoxy)-.alpha.-phenoxy-propionate of the formula ##STR2## with nitric acid in the presence of sulphuric acid and in the presence of 1,2-dichloroethane at a temperature between -20.degree. C. and +150.degree. C.
Sehnem, Hans. (1984). Process for the production of ethoxycarbonylmethyl (U.S. Patent No. 4452992). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4452992
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile