Purification systems and methods

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United States of America Patent

PATENT NO 9932448
SERIAL NO

15392834

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method of preparing hydrogel particles includes applying a solution including a plurality of hydrogel particles to a stir cell. A retentate side of a filter defines a lower surface of the stir cell. The filter has the retentate side and a permeate side. The method further includes, while stirring the solution within the stir cell, dispensing a buffer solution at a first flow rate to the stir cell and drawing a permeate from the permeate side of the filter using a pump at a second flow rate, the permeate including a subset of the plurality of hydrogel particles.

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Patent Owner(s)

Patent OwnerAddress
LIFE TECHNOLOGIES CORPORATION5823 NEWTON DRIVE CARLSBAD CA 92008

International Classification(s)

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  • 2016 Application Filing Year
  • C08J Class
  • 2510 Applications Filed
  • 1585 Patents Issued To-Date
  • 63.15 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20162017201820192020202120222023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hinz, Wolfgang Killingworth, US 178 16334
Jones, Ryan New Haven, US 78 1360
Light, David Branford, US 91 1509

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Patent Citation Ranking

  • 0 Citation Count
  • C08J Class
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  • 7 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges231315254101 - 1011 - 2021 - 3041 - 50020406080100120140160180200220240260280300320340

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