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Last Updated: November 22, 2019

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Details for Patent: 6,899,890

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Summary for Patent: 6,899,890
Title: Bioadhesive drug delivery system
Abstract:The present invention relates to a novel essentially pH neutral vaginal drug delivery system suitable for modified delivery of a therapeutically active material in the vaginal cavity. The vaginal drug delivery system comprises an essentially pH neutral emulsion having globules having two phases, an internal water soluble phase and an external water-insoluble phase or film, wherein the water-soluble interior phase contains a therapeutically active drug or drugs. One novel aspect of the vaginal drug delivery system is that the internal water soluble phase comprises an acidic buffered phase.
Inventor(s): Kirschner; Mitchell I. (St. Louis, MO), Levinson; R. Saul (Chesterfield, MO), Riley; Thomas C. (Manchester, MO), Hermelin; Marc S. (St. Louis, MO)
Assignee: KV Pharmaceutical Company (St. Louis, MO)
Application Number:10/101,014
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 6,899,890
Patent Claim Types:
see list of patent claims
Compound; Delivery; Composition; Dosage form; Use;

Drugs Protected by US Patent 6,899,890

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Perrigo Pharma Intl CLINDESSE clindamycin phosphate CREAM;VAGINAL 050793-001 Nov 30, 2004 RX Yes Yes   Start Trial   Start Trial Y METHOD OF TREATING BACTERIAL VAGINOSIS   Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

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