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Last Updated: December 8, 2021

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Patent: 4,871,716

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Summary for Patent: 4,871,716
Title: Magnetically responsive, hydrophilic microspheres for incorporation of therapeutic substances and methods of preparation thereof
Abstract:Novel magnetically responsive hydrophilic protein or polypeptide microspheres prepared by dispersing an aqueous solution or dispersion of protein or polypeptide and particulate magnetically responsive material in an organic solvent solution of a high molecular weight polymer to form a stabilized dispersion of microspheres and cross-linking said microspheres with a polyfunctional cross-linking agent.
Inventor(s): Longo; William E. (Gainesville, FL), McCluskey; Richard A. (Gainesville, FL), Goldberg; Eugene P. (Gainesville, FL)
Assignee: University of Florida (Gainesville, FL)
Application Number:06/937,611
Patent Claims:see list of patent claims

Details for Patent 4,871,716

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Grifols Therapeutics Llc ALBUKED, PLASBUMIN-20, PLASBUMIN-25, PLASBUMIN-5 albumin (human) For Injection 101138 1942-10-21 ⤷  Free Forever Trial 2003-12-13
Baxalta Us Inc. BUMINATE, FLEXBUMIN albumin (human) Injection 101452 1954-03-03 ⤷  Free Forever Trial 2003-12-13
Csl Behring Ag ALBURX albumin (human) Injection 102366 1976-07-23 ⤷  Free Forever Trial 2003-12-13
Grifols Biologicals Llc ALBUTEIN albumin (human) Injection 102478 1978-08-15 ⤷  Free Forever Trial 2003-12-13
Instituto Grifols, S.a. HUMAN ALBUMIN GRIFOLS albumin (human) Injection 103352 1995-02-17 ⤷  Free Forever Trial 2003-12-13
Instituto Grifols, S.a. HUMAN ALBUMIN GRIFOLS albumin (human) Injection 103352 2003-06-11 ⤷  Free Forever Trial 2003-12-13
Csl Behring Llc ALBUMINAR, ALBUMINAR-20, ALBUMINAR-25, ALBUMINAR-5 albumin (human) Injection 103955 2000-03-17 ⤷  Free Forever Trial 2003-12-13
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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