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Last Updated: December 15, 2019

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Details for Patent: 4,572,909

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Summary for Patent: 4,572,909
Title: 2-(Secondary aminoalkoxymethyl) dihydropyridine derivatives as anti-ischaemic and antihypertensive agents
Abstract:A dihydropyridine compound of the formula ##STR1## or a pharmaceutically acceptable acid addition salt thereof, wherein Y is --(CH.sub.2).sub.2 --, --(CH.sub.2).sub.3 --, --CH.sub.2 CH(CH.sub.3)-- or --CH.sub.2 C(CH.sub.3).sub.2 --; R is aryl or heteroaryl; R.sup.1 and R.sup.2 are each independently C.sub.1 -C.sub.4 alkyl or 2-methoxyethyl; and R.sup.3 is hydrogen, C.sub.1 -C.sub.4 alkyl, 2-(C.sub.1 -C.sub.4 alkoxy)ethyl, cyclopropylmethyl, benzyl, or --(CH.sub.2).sub.m COR.sup.4 where m is 1, 2 or 3 and R.sup.4 is hydroxy, C.sub.1 -C.sub.4 alkoxy or --NR.sup.5 R.sup.6 where R.sup.5 and R.sup.6 are each independently hydrogen or C.sub.1 -C.sub.4 alkyl can be employed for treating or preventing a heart condition or hypertension.
Inventor(s): Campbell; Simon F. (Deal, GB2), Cross; Peter E. (Canterbury, GB2), Stubbs; John K. (Deal, GB2)
Assignee: Pfizer Inc. (New York, NY)
Application Number:06/576,982
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 4,572,909
Patent Claim Types:
see list of patent claims
Compound; Composition; Use;

Drugs Protected by US Patent 4,572,909

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

Foreign Priority and PCT Information for Patent: 4,572,909

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom8207180Mar 11, 1982

International Family Members for US Patent 4,572,909

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 22884   Start Trial
Australia 1235183   Start Trial
Australia 540769   Start Trial
Bosnia and Herzegovina 97147   Start Trial
Bosnia and Herzegovina 98207   Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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