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:
Aug. 25, 1992
Filed:
Feb. 12, 1991
Applicant:
Inventors:
Kurt Schaffner, Mulheim/Ruhr, DE;
Martin Demuth, Mulheim/Ruhr, DE;
Assignee:
Studiengesellschaft Kohle mbH, Mulheim/Ruhr, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
546 15 ; 549-9 ; 549 12 ; 549 28 ; 549 60 ; 549 88 ; 549 90 ; 549265 ; 549274 ; 548469 ; 548950 ; 548951 ; 548952 ; 548955 ; 548958 ; 540543 ; 540466 ; 544230 ; 544231 ;
Abstract
Disclosed are new 1,3-dioxenones having the formulae ##STR1## in an optically pure state, a process for preparing same and the use thereof.