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. 26, 1984
Filed:
Jun. 02, 1981
Csaba Szantay, Budapest, HU;
Lajos Szabo, Budapest, HU;
Gyorgy Kalaus, Budapest, HU;
Lajos Dancsi, Budapest, HU;
Tibor Keve, Budapest, HU;
Egon Karpati, Budapest, HU;
Laszlo Szporny, Budapest, HU;
Richter Gedeon Vegyeszeti Gyar Rt., Budapest, HU;
Abstract
New salts of the formula XIIIa and XIIIb are disclosed ##STR1## wherein R.sup.2, R.sup.3 and R.sup.5 are each C.sub.1 to C.sub.6 alkyl and A.sup.- is an anion of a pharmaceutically acceptable acid. Furthermore new compounds of the formula XIVa and XIVb are disclosed: ##STR2## wherein R.sup.2 and R.sup.3 are as defined above. The new salts and compounds are intermediates in the preparation of 10-bromo-vincaminic acid esters. In addition the new salts and compounds have the ability to increase blood circulation and to decrease blood flow resistance in an animal subject while at the same time maintaining a steady pulse rate and blood pressure.