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Serving leading biopharmaceutical companies globally:

Express Scripts
UBS
Federal Trade Commission
AstraZeneca
Dow
Daiichi Sankyo
Argus Health
Harvard Business School
Medtronic
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Generated: January 23, 2018

DrugPatentWatch Database Preview

Details for Patent: 5,741,516

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Summary for Patent: 5,741,516
Title: Sphingosomes for enhanced drug delivery
Abstract:Liposomal formulations having extended circulation time in vivo and increased drug retention are comprised of sphingomyelin and cholesterol and have an acidic intraliposomal pH. The formulations have enhanced stability and thus are used in methods which provide improved drug delivery and more effective treatment. The delivery of ciprofloxacin, and alkaloid drugs, particularly swainsonine, vincristine and vinblastine, is significantly improved.
Inventor(s): Webb; Murray S. (Vancouver, CA), Bally; Marcel B. (Bowen Island, CA), Mayer; Lawrence D. (N. Vancouver, CA), Miller; James J. (Vancouver, CA), Tardi; Paul G. (Richmond, CA)
Assignee: Inex Pharmaceuticals Corporation (Vancouver, CA)
Application Number:08/572,555
Patent Claim Types:
see list of patent claims
Composition; Dosage form; Delivery; Use;

Drugs Protected by US Patent 5,741,516

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted
Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted

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International Patents Family Members for US Patent 5,741,516

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 248586 ➤ Subscribe
Australia 2709495 ➤ Subscribe
Canada 2193502 ➤ Subscribe
Germany 69531701 ➤ Subscribe
European Patent Office 0804159 ➤ Subscribe
Spain 2206510 ➤ Subscribe
Japan 3270478 ➤ Subscribe
Japan H10501534 ➤ Subscribe
Portugal 804159 ➤ Subscribe
World Intellectual Property Organization (WIPO) 9535094 ➤ Subscribe
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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Serving leading biopharmaceutical companies globally:

Cantor Fitzgerald
Baxter
AstraZeneca
QuintilesIMS
Medtronic
Chinese Patent Office
Cerilliant
Argus Health
Healthtrust

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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