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Last Updated: March 28, 2024

Details for Patent: 5,814,335


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Summary for Patent: 5,814,335
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 (CA)
Application Number:08/932,375
Patent Claim Types:
see list of patent claims
Compound; Dosage form; Process; Delivery; Formulation; Composition;

Drugs Protected by US Patent 5,814,335

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

International Family Members for US Patent 5,814,335

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 248586 ⤷  Try a Trial
Australia 2709495 ⤷  Try a Trial
Canada 2193502 ⤷  Try a Trial
Germany 69531701 ⤷  Try a Trial
European Patent Office 0804159 ⤷  Try a Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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