BioPharmaceutical Business Intelligence

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Serving leading biopharmaceutical companies globally:

Chinese Patent Office
Daiichi Sankyo
Farmers Insurance
Federal Trade Commission
Cantor Fitzgerald
Express Scripts

Generated: November 23, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,980,882

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Which drugs does patent 5,980,882 protect, and when does it expire?

Patent 5,980,882 protects DELSYM and is included in one NDA. There has been one Paragraph IV challenge on Delsym.

This patent has two patent family members in two countries.

Summary for Patent: 5,980,882

Title: Drug-resin complexes stabilized by chelating agents
Abstract:The invention provides a pharmaceutical composition comprising a drug-resin complex and a chelating agent in which the composition is in the form of a solid or a gel. The invention also provides a method of making such a composition and a method for improving the stability of a pharmaceutical composition.
Inventor(s): Eichman; Martin L. (Fairport, NY)
Assignee: Medeva Pharmaceuticals Manufacturing (Rochester, NY)
Application Number:08/834,359
Patent Claim Types:
see list of patent claims
Composition; Dosage form; Use; Process;

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Reckitt Benckiser
dextromethorphan polistirex
SUSPENSION, EXTENDED RELEASE;ORAL018658-001Oct 8, 1982OTCYesYes► Subscribe► SubscribeY
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International Patent Family for Patent: 5,980,882

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Canada2234282► Subscribe
European Patent Office0911039► 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:

Argus Health
Fish and Richardson

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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