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Serving hundreds of leading biopharmaceutical companies globally:

QuintilesIMS
US Army
Colorcon
Farmers Insurance
Covington
Merck
Medtronic
Fuji
Argus Health

Generated: May 26, 2018

DrugPatentWatch Database Preview

Details for Patent: 4,957,924

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Summary for Patent: 4,957,924
Title: Therapeutic valine esters of acyclovir and pharmaceutically acceptable salts thereof
Abstract:The present invention relates to certain amino acid exters of the purine nucleoside acyclovir, pharmaceutically acceptable salts thereof and their use in the treatment of herpes virus infections. The invention also includes pharmaceutical formulations and processes for the preparation of such compounds.
Inventor(s): Beauchamp; Lilia M. (Raleigh, NC)
Assignee: Burroughs Wellcome Co. (Research Traingle Park, NC)
Application Number:07/228,377
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 4,957,924
Patent Claim Types:
see list of patent claims
Compound; Composition; Dosage form; Use;

Drugs Protected by US Patent 4,957,924

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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Foreign Priority and PCT Information for Patent: 4,957,924

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom8719367Aug 15, 1987

International Family Members for US Patent 4,957,924

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
African Regional IP Organization (ARIPO) 160 ➤ Sign Up
African Regional IP Organization (ARIPO) 55 ➤ Sign Up
African Regional IP Organization (ARIPO) 8800099 ➤ Sign Up
African Regional IP Organization (ARIPO) 9000238 ➤ Sign Up
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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Serving hundreds of leading biopharmaceutical companies globally:

Teva
Federal Trade Commission
Healthtrust
Julphar
Cipla
Farmers Insurance
Citi
Cantor Fitzgerald
Moodys

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