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Last Updated: November 17, 2019

DrugPatentWatch Database Preview

Details for Patent: 6,670,335

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Which drugs does patent 6,670,335 protect, and when does it expire?

Patent 6,670,335 protects CARAC and is included in one NDA.

Summary for Patent: 6,670,335
Title: Fluorouracil-containing formulation
Abstract:Oil-in-water emulsion formulations contain both free fluorouracil and fluorouracil impregnated in porous microparticles. The formulations are suitable for topical administration, and are useful for the treatment of solar keratoses, actinic keratoses, and superficial basal cell carcinomas.
Inventor(s): Singh; B. Sandhya (San Jose, CA), Saxena; Subhash J. (Belmont, CA)
Assignee: A. P. Pharma, Inc. (Redwood City, CA)
Application Number:09/799,792
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 6,670,335
Patent Claim Types:
see list of patent claims
Formulation; Use; Dosage form;

Drugs Protected by US Patent 6,670,335

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Valeant Pharms North CARAC fluorouracil CREAM;TOPICAL 020985-001 Oct 27, 2000 AB RX Yes Yes   Start Trial   Start Trial Y TREATMENT OF ACTINIC KERATOSIS   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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