Last Updated: May 11, 2026

Patent: 7,897,585


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Summary for Patent: 7,897,585
Title:Nanoparticles for protein drug delivery
Abstract: The invention discloses the nanoparticles composed of chitosan, poly-glutamic acid, and at least one anti-hemophilic factor or bioactive agent characterized with a positive surface charge and their enhanced permeability in oral drug delivery.
Inventor(s): Sung; Hsing-Wen (Hsinchu, TW), Tu; Hosheng (Newport Beach, CA)
Assignee: GP Medical, Inc. (Newport Beach, CA) National Tsing Hua University (Hsinchu, TW)
Application Number:12/378,976
Patent Claims:see list of patent claims

Details for Patent 7,897,585

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Grifols Therapeutics Llc KOATE, KOATE-DVI antihemophilic factor (human) For Injection 101130 January 24, 1974 ⤷  Start Trial 2029-02-20
Takeda Pharmaceuticals U.s.a., Inc. HEMOFIL M antihemophilic factor (human) For Injection 101448 March 14, 2001 ⤷  Start Trial 2029-02-20
Grifols Biologicals Llc ALPHANATE antihemophilic factor/von willebrand factor complex (human) For Injection 102475 August 15, 1978 ⤷  Start Trial 2029-02-20
Grifols Biologicals Llc ALPHANATE antihemophilic factor/von willebrand factor complex (human) For Injection 102475 June 26, 2014 ⤷  Start Trial 2029-02-20
Takeda Pharmaceuticals U.s.a., Inc. BIOCLATE (ARMOUR), RECOMBINATE antihemophilic factor (recombinant) For Injection 103375 December 10, 1992 ⤷  Start Trial 2029-02-20
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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