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Generated: September 17, 2019

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Patent: 5,739,033

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Summary for Patent: 5,739,033
Title: Physiological cell separation and method of separating cells using same
Abstract:An aqueous composition, initially present as a two-phase gradient, useful for separation of two cell types, such as islet cells from acinar cells, is disclosed, as well as a method of separating the cells. The composition is comprised of a water soluble, metabolically inert substance which maintains density, osmolarity and pH in the presence of cells, and a physiological cold storage solution comprising viscosity modifiers to increase the viscosity and osmotically active impermeant agents for suppressing cold-induced cellular edema, and also comprising a physiological solution capable of maintaining viable cells. These solutions are present in various combinations in a concentration sufficient to provide a first solution with a density greater than both cell types in their natural state, and less than the second cell type after incubation in said solution, and a second solution having a density less than that of both cell types. The system is allowed to stand or is centrifuged to separate the cells.
Inventor(s): Soon-Shiong; Patrick (Los Angeles, CA)
Assignee: Vivorx, Inc. (Santa Monica, CA)
Application Number:08/486,404
Patent Claims:see list of patent claims

Details for Patent 5,739,033

Applicant Tradename Biologic Ingredient Dosage Form BLA Number Approval Date Patent No. Assignee Estimated Patent Expiration Status Orphan Source
Advance Biofactures SANTYL collagenase VIAL 101995 001 1965-06-04 ➤ Sign Up Vivorx, Inc. (Santa Monica, CA) 2015-04-14 RX search
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Number >Approval Date >Patent No. >Assignee >Estimated Patent Expiration >Status >Orphan >Source

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