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:
Apr. 13, 1982
Filed:
Jun. 21, 1976
Applicant:
Inventors:
Magda Huhn, Budapest, HU;
Eva Somfai, Budapest, HU;
Gabor Szabo, Budapest, HU;
Gabor Resovszki, Budapest, HU;
Livia Gneth nee Zalantai, Budapest, HU;
Assignee:
Chinoin Gyogyszer es Vegyeszeti Termekek Gyara RT., Budapest, HU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
560 82 ; 560 19 ; 560 20 ; 560 55 ; 2603474 ; 546342 ; 549 79 ;
Abstract
A process for the preparation of new malonic esters of the formula: ##STR1## wherein R is a substituted or unsubstituted C.sub.1 to C.sub.6 alkyl, a substituted or unsubstituted aromatic ring, a heterocyclic ring, a cycloalkyl group, or a fused ring system; R.sup.1 is hydrogen, lower alkyl, aralkyl, aralkyl substituted by halogen or alkyl or a substituted aromatic, cycloaliphatic or heterocyclic ring; and X is halogen.