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US Patent 10252199 Method for retrovirus removal

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US Patent 12059644 Filter structure with enhanced dirt holding capacity
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US Patent RE49773 Hybrid felts of electrospun nanofibers
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Patent abstract

A method for removing retroviruses from liquid samples and a nanofiber containing liquid filtration medium that simultaneously exhibits high liquid permeability and high microorganism retention is disclosed. Retroviruses are removed from a liquid by passing the liquid through a porous nanofiber containing filtration medium having a retrovirus LRV greater than about 6, and the nanofiber(s) has a diameter from about 10 nm to about 100 nm. The filtration medium can be in the form of a fibrous electrospun polymeric nanofiber liquid filtration medium mat.

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US Patent 11560438 Porous polymeric cellulose prepared via cellulose crosslinking
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US Patent 11466386 Spinnerets and spinneret arrays for electrospinning and electrospinning machines
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US Patent 10919986 Porous polymeric cellulose prepared via cellulose crosslinking
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 US Patent 10252199 Method for retrovirus removal

Infobox
Is a
Patent
Patent
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
10252199
Date of patent
April 9, 2019
Patent application number
15448248
Date Filed
March 2, 2017
Patent primary examiner
‌
John Kim

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