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:
Jan. 21, 1992
Filed:
Dec. 11, 1990
Applicant:
Inventors:
Marc Lemaire, Villeurbanne, FR;
Alain Guy, Pontcarre, FR;
Jacques Foos, Orsay, FR;
Vincent Guyon, Paris, FR;
Rodolphe Chomel, Orange, FR;
Assignee:
Cogema-Compagnie Generale Des Matieres Nuclearires, Villacoublay, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
549349 ; 549352 ; 549353 ; 423 11 ; 534 11 ;
Abstract
A method for separating the isomers of a crown ether compound and making it possible to recover in particular the pure cis-syn-cis isomer from DCH 18C6 includes:
Lemaire, Marc. (1992). Method of separating isomers of a crown ether compound to recover (U.S. Patent No. 5082955). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5082955
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile