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Serving leading biopharmaceutical companies globally:

Boehringer Ingelheim
Harvard Business School
Express Scripts

Generated: December 18, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,948,438

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Summary for Patent: 5,948,438

Title: Pharmaceutical formulations having improved disintegration and/or absorptivity
Abstract:An oral solid dosage form, comprising a compressed tablet including an excipient comprising (a) microcrystalline cellulose; and (b) a compressibility augmenting agent which (I) physically restricts the proximity of the interface between adjacent cellulose surfaces (e.g., silicon dioxide); or (ii) inhibits interactions between adjacent cellulose surfaces (e.g., sodium lauryl sulfate); or (iii) accomplishes both (i) and (ii) above; together with an active agent, is disclosed which provides improved disintegration and/or absorptivity to the oral solid dosage form when orally administered to human patients. The excipient comprises agglomerated particles of said microcrystalline cellulose and said compressibility augmenting agent in intimate association with each other.
Inventor(s): Staniforth; John N. (Bath, GB), Sherwood; Bob E. (Amenia, NY), Hunter; Edward A. (Glenham, NY)
Assignee: Edward Mendell Co., Inc. (Patterson, NY)
Application Number:08/868,744
Patent Claim Types:
see list of patent claims
Dosage form; Composition;

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International Patent Family for Patent: 5,948,438

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia5830399► Subscribe
Brazil9605245► Subscribe
Brazil9605329► Subscribe
Canada2183881► Subscribe
Canada2183882► Subscribe
Germany69627934► Subscribe
Germany69638015► Subscribe
Germany69638054► Subscribe
Denmark0752848► Subscribe
European Patent Office0749300► 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
Boehringer Ingelheim

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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