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:
Dec. 18, 1990
Filed:
Jan. 25, 1990
Applicant:
Inventors:
Gunter Schlegel, Liederbach, DE;
Hilmar Mildenberger, Kelkheim, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560 53 ;
Abstract
Process for the preparation of D(+)-2-(4-acetylphenoxy)-propionic esters Preparation of D(+)-2-(4-acetylphenoxy)-propionic esters of the formula ##STR1## by reacting 4-hydroxyacetophenone with L-halo- or sulfonyloxy-lactic esters in a basic medium at temperatures .ltoreq.50.degree. C.
Schlegel, Gunter. (1990). Process for the preparation of d(+)-2-(4-acetylphenoxy)-propionic esters (U.S. Patent No. 4978774). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4978774
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile