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Last Updated: November 22, 2024

Details for Patent: 5,264,446


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Summary for Patent: 5,264,446
Title: Solid medicament formulations containing nifedipine, and processes for their preparation
Abstract:The invention is directed to the provision of solid pharmaceutical compositions (and methods for their preparation) containing nifidipine crystals with a specific surface area of 1.0 to 4.0 m.sup.2 /g., in admixture with a solid diluent. The said compositions overcome the deficiencies of prior art compositions containing nifidipine, which is known to have effect as a coronary vasodilator.
Inventor(s): Hegasy; Ahmed (Leverkusen, DE), Ramsch; Klaus-Dieter (Heerlen, NL)
Assignee: Bayer Aktiengesellschaft (Leverkusen, DE)
Application Number:07/892,439
Patent Claim Types:
see list of patent claims
Composition; Dosage form; Use;

Drugs Protected by US Patent 5,264,446

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: 5,264,446

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Germany3033919Sep 09, 1980

International Family Members for US Patent 5,264,446

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 226377 ⤷  Sign Up
Austria 5761 ⤷  Sign Up
Australia 558331 ⤷  Sign Up
Australia 7506381 ⤷  Sign Up
Canada 1180277 ⤷  Sign Up
German Democratic Republic 201974 ⤷  Sign Up
Germany 3033919 ⤷  Sign Up
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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