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. 27, 1976
Filed:
Jun. 15, 1973
Irving Shemano, Cincinnati, OH (US);
Richardson-Merrell Inc., Wilton, CT (US);
Abstract
Compounds of the following general formula are useful in the treatment of conditions of delayed hypersensitivity: ##SPC1## Wherein X represents a bond, --CH.sub.2 --, or carbonyl; Y represents a vinylene group, ##EQU1## carbonyl, oxygen, divalent sulfur, or carbonyloxy with the proviso that when Y is ##EQU2## or vinylene, X is not carbonyl; A represents a straight or branched alkylene chain of from 1 to 6 carbon atoms with the proviso that when Y is vinylene, A contains from 1 to 5 carbon atoms and with the proviso that when Y is carbonyloxy or carbonylthio, A contains from 2 to 6 carbon atoms; each of R.sup.1 and R.sup.2 represents hydrogen, a straight or branched lower alkyl group of from 1 to 4 carbon atoms; or alkenyl of 3 to 6 carbon atoms having the vinyl unsaturation in other than 1-position; and pharmaceutically acceptable acid addition salts thereof.