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Serving leading biopharmaceutical companies globally:

Fish and Richardson
Farmers Insurance
Cantor Fitzgerald

Generated: January 19, 2018

DrugPatentWatch Database Preview

Details for Patent: 4,913,906

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Summary for Patent: 4,913,906
Title: Novel controlled release dosage form of valproic acid
Abstract:The invention relates to controlled release pharmaceutical compositions. These contain as active ingredient valproic acid, a salt of valproic acid, an ester of valproic acid, Valpromide, or any other pharmaceutically acceptable derivative of valproic acid which upon administration to humans provides a serum level of valproic acid, in combination with an additive which is selected from physiologically acceptable polymeric substances and from native proteins. The active ingredient is usually in the range of from 10 to 80 weight percent. The novel pharmaceutical compositions are prepared by applying a high pressure to a mixture of the ingredients. They result in a prolonged serum level of the active ingredient.
Inventor(s): Friedman; Michael (Jerusalem, IL), Bialer; Meir (Jerusalem, IL), Rubinstein; Avraham (Jerusalem, IL), Dufrovsky; Upd (Tel-Aviv, IL)
Application Number:06/832,244
Patent Claim Types:
see list of patent claims
Compound; Dosage form; Process;

Drugs Protected by US Patent 4,913,906

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: 4,913,906

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Israel74468Feb 28, 1985

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Serving leading biopharmaceutical companies globally:

US Army
Johnson and Johnson
Fish and Richardson

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