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Serving leading biopharmaceutical companies globally:

US Army
Boehringer Ingelheim
Queensland Health
US Department of Justice
Farmers Insurance
Cantor Fitzgerald
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
Harvard Business School
Farmers Insurance
Cantor Fitzgerald

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verifification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.

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