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. 17, 1979
Filed:
Dec. 23, 1976
Charles M Hall, Kalamazoo, MI (US);
John B Wright, Kalamazoo, MI (US);
The Upjohn Company, Kalamazoo, MI (US);
Abstract
Compounds of the formula ##STR1## wherein X and Y are the same or different and are hydrogen, fluoro, chloro, bromo, alkyl of one to six carbon atoms, inclusive, alkoxy of one to six carbon atoms, inclusive, nitro, cyano, amino, trifluoromethyl, ##STR2## wherein R.sub.1 is alkyl of one to six carbon atoms, inclusive, ##STR3## wherein R.sub.2 and R.sub.3 are the same or different and are hydrogen or alkyl of one to three carbon atoms inclusive, or CO.sub.2 Q where Q is alkyl of one to six carbon atoms, inclusive, hydrogen or a physiologically acceptable metal or amine cation; and R is hydrogen, alkyl of one to eight carbon atoms, inclusive, --CH.sub.2).sub.m phenyl wherein m is 0, 1 or 2 or (CH.sub.2).sub.n NR.sub.4 R.sub.5 wherein n is 1 or 2, and R.sub.4 and R.sub.5 are the same or different and are alkyl of one to three carbon atoms, inclusive, and a physiologically acceptable metal or amine cation; and physiologically acceptable acid addition salts thereof are formulated into pharmaceutical compositions suitable for oral, parenteral or inhalation administration which are used as prophylactic inhibitors of allergic manifestations in sensitized mammals.