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Serving leading biopharmaceutical companies globally:

US Army
Boehringer Ingelheim
Queensland Health
Chubb
US Department of Justice
Farmers Insurance
Cantor Fitzgerald
Julphar
UBS
Federal Trade Commission

Generated: October 23, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,137,300

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Summary for Patent: 4,137,300

Title: Sustained action dosage forms
Abstract:By incorporating solid drug substances into mixtures of higher alkanols and/or alkanoic acids melting above 25.degree. C, forming granules thereof and covering them with a prolamine, a pharmaceutical dosage form is obtained, which slowly and evenly releases the drug within the gastrointestinal tract of a mammal.
Inventor(s): Sheth; Pravin (Springfield, NJ), Leeson; Lewis J. (Roseland, NJ)
Assignee: Ciba-Geigy Corporation (Ardsley, NY)
Application Number:05/806,424
Patent Claim Types:
see list of patent claims
Compound; Dosage form; Formulation; Process;

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International Patent Family for Patent: 4,137,300

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Belgium857957► Subscribe
Germany2736794► Subscribe
Denmark371277► Subscribe
Spain461742► Subscribe
France2361915► Subscribe
Israel52769► Subscribe
JapanS5326318► Subscribe
Netherlands7709103► Subscribe
Sweden7709359► Subscribe
South Africa7705043► 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:

Johnson and Johnson
AstraZeneca
McKesson
Merck
Harvard Business School
Farmers Insurance
Teva
Medtronic
Cantor Fitzgerald
QuintilesIMS

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