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Class Information
Number: 210/500.41
Name: Liquid purification or separation > Filter > Material > Semipermeable membrane > Organic > Sulfone
Description: Subject matter comprising an R-S-R group.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7404896 |
Modified membranes |
Jul. 29, 2008 |
| 7396465 |
Positively charged membrane |
Jul. 8, 2008 |
| 7387732 |
Organic-inorganic membranes |
Jun. 17, 2008 |
| 7347938 |
Use of hydrophobically modified copolymers based on N-vinyl monomers for the production of membranes |
Mar. 25, 2008 |
| 7309428 |
Apparatus for separating components from blood plasma |
Dec. 18, 2007 |
| 7306754 |
Membrane and the use thereof |
Dec. 11, 2007 |
| 7223341 |
Positively charged membrane |
May. 29, 2007 |
| 7214319 |
Method of separating protein from animal milk |
May. 8, 2007 |
| 7195711 |
Specialized hollow fiber membranes for in-vivo plasmapheresis and ultrafiltration |
Mar. 27, 2007 |
| 7144505 |
Melt-spun polysulfone semipermeable membranes and methods for making the same |
Dec. 5, 2006 |
| 7138058 |
Acid stable membranes for nanofiltration |
Nov. 21, 2006 |
| 7094349 |
Organic porous article having selective adsorption ability for boron, and boron removing module and ultra-pure water production apparatus using the same |
Aug. 22, 2006 |
| 7087168 |
Hollow fiber membrane for purifying blood |
Aug. 8, 2006 |
| 7083729 |
Device and method for cleaning a fluid, such as water |
Aug. 1, 2006 |
| 7071130 |
Laminated material of segregating membrane and segregating membrane supporting material, and its method of manufacture |
Jul. 4, 2006 |
| 7070721 |
Method of making and using a hollow fiber microfiltration membrane |
Jul. 4, 2006 |
| 7067058 |
Hydrophilic membrane and process for making the same |
Jun. 27, 2006 |
| 7001518 |
Low pressure reverse osmosis and nanofiltration membranes and method for the production thereof |
Feb. 21, 2006 |
| 6994789 |
Pre-metered, unsupported multilayer microporous membrane |
Feb. 7, 2006 |
| 6994788 |
Sulfonated aromatic polymers, membrane containing said polymers and a method for production and use of the same |
Feb. 7, 2006 |
| 6986429 |
Anti-microbial porous component formed of a polymer material grafted with ammonium units |
Jan. 17, 2006 |
| 6960297 |
Dialyzers for blood treatment and processes for production thereof |
Nov. 1, 2005 |
| 6890435 |
Hollow fiber microfiltration membranes and a method of making these membranes |
May. 10, 2005 |
| 6890436 |
Porous hollow fiber membranes and method of making the same |
May. 10, 2005 |
| 6884350 |
Modified membranes |
Apr. 26, 2005 |
| 6881337 |
Melt-spun polysulfone semipermeable membranes and methods for making the same |
Apr. 19, 2005 |
| 6875354 |
Cast membrane structures for sample preparation |
Apr. 5, 2005 |
| 6869980 |
Polymer blend membranes for use in fuel cells |
Mar. 22, 2005 |
| 6860393 |
Filter device and filter element comprising at least one negatively charged membrane |
Mar. 1, 2005 |
| 6849185 |
Charged membrane |
Feb. 1, 2005 |
| 6837996 |
Polysulfonamide matrices |
Jan. 4, 2005 |
| 6830717 |
Cast membrane structures for sample preparation |
Dec. 14, 2004 |
| 6802971 |
Specialized hollow fiber membranes for in-vivo plasmapheresis and ultrafiltration |
Oct. 12, 2004 |
| 6797169 |
Filter membranes for physiologically active substances |
Sep. 28, 2004 |
| 6783937 |
Negatively charged membrane |
Aug. 31, 2004 |
| 6736971 |
Pre-metered, unsupported multilayer microporous membrane |
May. 18, 2004 |
| 6706184 |
Unsupported multizone microporous membrane |
Mar. 16, 2004 |
| 6685836 |
Method for separating a mixture of colloidal aluminosilicate particles |
Feb. 3, 2004 |
| 6652751 |
Intrinsically bacteriostatic membranes and systems for water purification |
Nov. 25, 2003 |
| 6635201 |
Cast membrane structures for sample preparation |
Oct. 21, 2003 |
| 6612447 |
Blood collection systems and filters using a porous membrane element |
Sep. 2, 2003 |
| 6605218 |
Dialyzers for blood treatment and processes for production thereof |
Aug. 12, 2003 |
| 6596167 |
Hydrophilic hollow fiber ultrafiltration membranes that include a hydrophobic polymer and a method of making these membranes |
Jul. 22, 2003 |
| 6565782 |
Highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters |
May. 20, 2003 |
| 6565748 |
Cationically charge-modified membranes |
May. 20, 2003 |
| 6558546 |
pH dependent membrane diffusion |
May. 6, 2003 |
| 6540915 |
Antimicrobial semi-permeable membranes |
Apr. 1, 2003 |
| 6527955 |
Heat-activatable microporous membrane and its uses in batteries |
Mar. 4, 2003 |
| 6511600 |
Microfilter cartridge |
Jan. 28, 2003 |
| 6495043 |
Membrane which comprises a blend of a polysulphone or a polyether sulphone and polyethylene oxide/polypropylene oxide substituted ethylene diamine |
Dec. 17, 2002 |
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