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Last Updated: September 27, 2020

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Patent: 4,435,293

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Summary for Patent: 4,435,293
Title: Particle washing system and method of use
Abstract:A particle washing system and method of use is described wherein in a preferred embodiment the fluid containing the desired particles is placed within an inner tube having near the bottom thereof an orifice with a diameter at least equal to that of the diameter of the particles, an air vent and, wherein the inner tube is positioned within an outer tube having a fluid with a density at least equal to that of the solution containing the particles to be separated within the inner tube but less than that of the particles. The application of centrifugal force to the particles directed toward the bottom of the outer tube causes the particles to move through orifice and through the outer solution contained within the outer tube so that the particles are collected from the inner solution, washed by the outer solution, and subsequently sedimented at the bottom of the outer tube.
Inventor(s): Graham, Jr.; Henry A. (Annandale, NJ), Hawk; Johnna B. (Rocky Hill, NJ), Chachowski; Rosemary K. (Manville, NJ)
Assignee: Ortho Diagnostic Systems Inc. (Raritan, NJ)
Application Number:06/290,267
Patent Claims:see list of patent claims

Details for Patent 4,435,293

Applicant Tradename Biologic Ingredient Dosage Form BLA Number Approval Date Patent No. Assignee Estimated Patent Expiration Status Orphan Source
Grifols Usa, Llc PLASBUMIN albumin (human) SOLUTION 101138 1 1994-09-26   Start Trial Ortho Diagnostic Systems Inc. (Raritan, NJ) 2040-01-28 search
Baxalta Us Inc. FLEXBUMIN albumin human INJECTION, SOLUTION 101452 1 2014-07-31   Start Trial Ortho Diagnostic Systems Inc. (Raritan, NJ) 2040-01-28 search
Csl Behring Ag ALBURX albumin (human) SOLUTION 102366 1 2009-01-06   Start Trial Ortho Diagnostic Systems Inc. (Raritan, NJ) 2040-01-28 search
Grifols Usa, Llc ALBUTEIN albumin (human) INJECTION, SOLUTION 102478 1 2019-12-15   Start Trial Ortho Diagnostic Systems Inc. (Raritan, NJ) 2040-01-28 search
Grifols Usa, Llc HUMAN ALBUMIN GRIFOLS albumin (human) SOLUTION 103352 1 2003-06-11   Start Trial Ortho Diagnostic Systems Inc. (Raritan, NJ) 2040-01-28 search
Csl Behring Llc ALBUMINAR-25 albumin (human) SOLUTION 103955 1 2009-01-06   Start Trial Ortho Diagnostic Systems Inc. (Raritan, NJ) 2040-01-28 search
Octapharma Usa Inc ALBUMIN (HUMAN) albumin human SOLUTION 125154 1 2006-10-17   Start Trial Ortho Diagnostic Systems Inc. (Raritan, NJ) 2040-01-28 search
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Number >Approval Date >Patent No. >Assignee >Estimated Patent Expiration >Status >Orphan >Source

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