Microporous membrane substrate having caustic stable, low...

Details Microporous membrane substrate having caustic stable, low... Microporous membrane substrate having caustic stable, low...

2006-07-11

2006-07-11

Menon, Krishnan S. (Department: 1723)

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

C210S500270, C210S500350, C210S500380, C210S500430, C427S245000, C264S048000, C264S049000, C264S041000

Reexamination Certificate

active

07073671

ABSTRACT:
The present invention provides porous media or membranes having a surface coating that includes a first coating of a cross-linked terpolymer and a second coating comprising a copolymer or a terpolymer modified with a hydrophilic or hydrophobic functional group which has a superior combination of properties, including heat stable biomolecule resistant adsorptive properties, resistance to strong alkaline solutions, and low levels of extractable matter.

REFERENCES:
patent: 3870639 (1975-03-01), Moore et al.
patent: 4415455 (1983-11-01), Osei-Gyimah et al.
patent: 4618533 (1986-10-01), Steuck
patent: 4678813 (1987-07-01), Itoh et al.
patent: 4695592 (1987-09-01), Itoh et al.
patent: 4906374 (1990-03-01), Gsell
patent: 4944879 (1990-07-01), Steuck
patent: 4968533 (1990-11-01), Gsell
patent: 5019260 (1991-05-01), Gsell et al.
patent: 5039421 (1991-08-01), Linder et al.
patent: 5217802 (1993-06-01), Scarmoutzos
patent: 5286382 (1994-02-01), Scarmoutzos et al.
patent: 5929214 (1999-07-01), Peters et al.
patent: 5993935 (1999-11-01), Rasmussen et al.
patent: 0 272 842 (1988-06-01), None
patent: 0 294 186 (1988-12-01), None
Copy of International Search Report dated Sep. 22, 2003.

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