Patents Represented by Attorney James A. Kanagy

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  • Ethynylheteroaromatic-acids having retinoic acid-like activity
    Patent number: 4923884
    Abstract: Retinoid-like activity is exhibited by compounds of the formula ##STR1## wherein A is pyridyl, furyl, thienyl, pyridazinyl, pyrimidinyl or pyrazinyl; n is 0-5; and B is H, --COOH and its esters, amides and pharmaceutically acceptable salts, --CHO and its acetal derivatives, --COR.sub.1 and its ketal derivatives where R.sub.1 is --(CH.sub.2).sub.n CH.sub.3 where n is defined above, or --CH.sub.2 OH and its ether and acyl ester derivatives; or a pharmaceutically acceptable salt.
    Type: Grant
    Filed: April 1, 1988
    Date of Patent: May 8, 1990
    Assignee: Allergan, Inc.
    Inventor: Roshantha A. S. Chandraratna