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Serving hundreds of leading biopharmaceutical companies globally:

Boehringer Ingelheim
McKesson
Merck
Fish and Richardson
Colorcon
Cipla
Daiichi Sankyo
AstraZeneca
Covington

Generated: June 22, 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 Family Members for US Patent 5,741,516

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 248586 ➤ Try a Free Trial
Australia 2709495 ➤ Try a Free Trial
Canada 2193502 ➤ Try a Free Trial
Germany 69531701 ➤ Try a Free Trial
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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Serving hundreds of leading biopharmaceutical companies globally:

Colorcon
QuintilesIMS
Julphar
Medtronic
Baxter
McKesson
AstraZeneca
Citi
Argus Health

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