Filtration media with low protein adsorbability

Details Filtration media with low protein adsorbability Filtration media with low protein adsorbability

1989-12-07

1991-05-28

Jones, W. Gary

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

21050042, 210654, 427245, 4273935, 4283155, B01D 7134

Patent

active

050192604

ABSTRACT:
A porous polymeric medium having a low affinity for amide group-containing and adjuvant-containing materials is provided comprising a porous polyvinylidene difuoride substrate and a surface-modifying polymeric material having a low affinity for amide group-containing materials formed in situ at and covalently bonded to the surface of the porous polyvinylidene difluoride substrate, the surface-modifying polymeric material being formed from a monofunctional monomer having at least one hydroxyl group. Another embodiment that provides a porous polymeric medium having a low affinity for amide group-containing materials employs a supplemental monomer in combination with the monofunctional monomer having at least one hydroxyl group to form the surface-modifying polymeric material. The supplmental monomer or comonomer used is one which, when formed as a homopolymer, has a high affinity for amide group-containing materials.

REFERENCES:
patent: 4855163 (1989-08-01), Joffee et al.
patent: 4886836 (1989-12-01), Gsell et al.
patent: 4906374 (1990-03-01), Gsell
patent: 4968533 (1990-11-01), Gsell

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