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.

Date of Patent:
Jul. 30, 1985

Filed:

Nov. 30, 1983
Applicant:
Inventors:

Stephen R Baker, Eversley, GB;

Terry D Lindstrom, Indianapolis, IN (US);

William B Jamieson, Woking, GB;

William J Ross, Lightwater, GB;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
514470 ; 549466 ;
Abstract

There are described compounds of the formula ##STR1## in which either R.sup.1 and R.sup.2 are both hydrogen or R.sup.1 is carboxyl and R.sup.2 is hydrogen, C.sub.3-4 alkenyl or C.sub.1-4 alkyl, and R.sup.3, R.sup.4 and R.sup.5 are each hydrogen, nitro, hydroxyl, carboxyl, carboxyC.sub.1-2 alkoxy, C.sub.3-4 alkenyl, C.sub.1-4 alkyl, C.sub.3-4 alkenyloxy, C.sub.1-4 alkoxy or the group ##STR2## where R.sup.6 and R.sup.7 are each hydrogen or C.sub.1-4 alkyl; and salts and esters thereof. The compounds are indicated for use in the treatment of immediate sensitivity reactions and inflammatory diseases.


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Baker, Stephen. (1985). Certain aurones and their use in the treatment of allergies (U.S. Patent No. 4532257). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4532257

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