Microporous membrane substrate having caustic stable, low...

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

2007-10-23

2007-10-23

Menon, Krishnan S. (Department: 1723)

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

C210S500270, C210S500360, C210S500380, C210S500430, C427S245000, C264S048000, C264S049000, C264S041000

Reexamination Certificate

active

11053325

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: 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
International Search Report dated Sep. 22, 2003.

Affiliated with

Also associated with

Rating

Microporous membrane substrate having caustic stable, low... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Microporous membrane substrate having caustic stable, low..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Microporous membrane substrate having caustic stable, low... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3841574