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
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>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 6,899,890
Country | Patent Number | Estimated Expiration | Supplementary Protection Certificate | SPC Country | SPC Expiration |
---|---|---|---|---|---|
Argentina | 039037 | ⤷ Try a Trial | |||
Australia | 2002300175 | ⤷ Try a Trial | |||
Australia | 2003218233 | ⤷ Try a Trial | |||
Brazil | 0202767 | ⤷ Try a Trial | |||
Canada | 2392473 | ⤷ Try a Trial | |||
China | 101045034 | ⤷ Try a Trial | |||
>Country | >Patent Number | >Estimated Expiration | >Supplementary Protection Certificate | >SPC Country | >SPC Expiration |