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Serving leading biopharmaceutical companies globally:

Argus Health
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Generated: December 17, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,892,741

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Summary for Patent: 4,892,741

Title: Press coated DHP tablets
Abstract:The invention relates to solid pharmaceutical preparations which have a long-lasting action and are for dihydropyridines in the form of a press coated tablet, and a process for their preparation.
Inventor(s): Ohm; Andreas (Neuss, DE), Luchtenberg; Helmut (Niederkassel, DE), Maegata; Shinji (Oharanaka, DE), Opitz; Wolfgang (Overath, DE)
Assignee: Bayer Aktiengesellschaft (Leverkusen, DE)
Application Number:07/204,056
Patent Claim Types:
see list of patent claims
Compound; Dosage form; Process; Composition; Formulation;

No matches for this query

Foreign Priority and PCT Information for Patent: 4,892,741

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Germany3720751Jun 24, 1987

International Patent Family for Patent: 4,892,741

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Germany3720757► Subscribe
Germany3870338► Subscribe
European Patent Office0299211► Subscribe
Spain2051800► Subscribe
Greece3004448► Subscribe
Ireland881916► Subscribe
Canada1309951► Subscribe
Austria75142► Subscribe
Ireland60352► Subscribe
Israel86827► Subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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Serving leading biopharmaceutical companies globally:

US Department of Justice
Fish and Richardson
Daiichi Sankyo

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