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. 03, 1980
Filed:
Jan. 05, 1978
Axel Kleeman, Hanau, DE;
Ingomar Nubert, Hanau, DE;
Fritz Stroman, Offenbach, DE;
Klaus Thiemer, Hanau, DE;
Deutsche Gold- und Silber-Scheideanstalt vormals Roessler, Frankfurt, DE;
Abstract
There are prepared compounds of the formula ##STR1## where >A--B-- has either the structure >C(OH)--CH.sub.2 -- or the structure >C.dbd.CH, Alk is a straight or branched chain C.sub.1 -C.sub.5 - alkylene group and -NHY is ##STR2## where R' is hydrogen, phenyl, phenyl substituted once or twice by C.sub.1 -C.sub.4 -alkyl groups, a C.sub.1 -C.sub.4 -alkoxy group or by halogen atoms, a C.sub.1 -C.sub.6 -alkyl group, a C.sub.1 -C.sub.4 -hydroxyalkyl group or a phenalkyl group whose alkyl portion consists of 1-4 carbon atoms or such a phenalkyl group containing 1 to 3 C.sub.1 -C.sub.4 -alkoxy group substituents. The compounds are effective in improving peripheral and cerebral circulation. There are also produced intermediate compounds of formula (II) where NHY is replaced by chlorine, bromine or iodine.