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Class Information
Number: 210/500.1
Name: Liquid purification or separation > Filter > Material
Description: Compositions comprising materials to be used in filter apparatus.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7625426 |
Method for making nano-scale filter |
Dec. 1, 2009 |
| 7597981 |
Composite electrolyte membrane with nanoscopic dendrimers and method of preparing same |
Oct. 6, 2009 |
| 7597932 |
Mesoporous permeation layers for use on active electronic matrix devices |
Oct. 6, 2009 |
| 7553416 |
Caustic silica gel manufacturing method and gels made thereby |
Jun. 30, 2009 |
| 7553417 |
Functionalized substrates |
Jun. 30, 2009 |
| 7462283 |
System and method for liquid filtration based on a neutral filter material |
Dec. 9, 2008 |
| 7441667 |
Composite membranes for liquid filtration having improved uniformity and adhesion of substrate to membrane |
Oct. 28, 2008 |
| 7407742 |
Plasma or serum separator, plasma or serum sampling method, plasma or serum separating method, test carrier and glass fiber |
Aug. 5, 2008 |
| 7390343 |
Drinking water filtration device |
Jun. 24, 2008 |
| 7374680 |
Filtration matrix |
May. 20, 2008 |
| 7344580 |
Filter unit |
Mar. 18, 2008 |
| 7311752 |
Electrostatic air filter |
Dec. 25, 2007 |
| 7293661 |
Filtration media comprising granules of binder-agglomerated active component |
Nov. 13, 2007 |
| 7290668 |
Bicomponent fiber wick |
Nov. 6, 2007 |
| 7270850 |
Mesoporous permeation layers for use on active electronic matrix devices |
Sep. 18, 2007 |
| 7241367 |
Permeable membrane diaphragm of different layers for electroytic cells |
Jul. 10, 2007 |
| 7178676 |
Graded particle-size retention filter medium for fluid filtration unit with improved edge seal |
Feb. 20, 2007 |
| 7169304 |
Porous polymer water filter and methods of use in refrigeration |
Jan. 30, 2007 |
| 7156240 |
Filter for processing blood and process for producing the same |
Jan. 2, 2007 |
| 7140497 |
Selective deleukocytation unit for a platelet product |
Nov. 28, 2006 |
| 7135150 |
Blood examination instrument |
Nov. 14, 2006 |
| 7112280 |
Gas porous polymer filter and methods of use |
Sep. 26, 2006 |
| 7090770 |
Filter cloth and method for producing the same |
Aug. 15, 2006 |
| 7049382 |
Activated carbon filter |
May. 23, 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 |
| 6942106 |
Wound polypropylene yarn filter cartridge and method for making same |
Sep. 13, 2005 |
| 6942711 |
Hydroentangled filter media with improved static decay and method |
Sep. 13, 2005 |
| 6939466 |
Graded particle-size retention filter medium for fluid filtration unit with improved edge seal |
Sep. 6, 2005 |
| 6877612 |
Filter cartridge for use in severe environments |
Apr. 12, 2005 |
| 6875353 |
Synthetic material filter |
Apr. 5, 2005 |
| 6872311 |
Nanofiber filter media |
Mar. 29, 2005 |
| 6871746 |
Ancillary filtering agent |
Mar. 29, 2005 |
| 6858161 |
Method for purifying electronic item material |
Feb. 22, 2005 |
| 6838005 |
Nanosize electropositive fibrous adsorbent |
Jan. 4, 2005 |
| 6787492 |
Filter cloth |
Sep. 7, 2004 |
| 6770736 |
Activated carbon filter |
Aug. 3, 2004 |
| 6749747 |
Filter membrane module comprising an integrated heat exchanger |
Jun. 15, 2004 |
| 6743355 |
Heated fuel strainer assembly |
Jun. 1, 2004 |
| 6723234 |
Fluid contamination collection system |
Apr. 20, 2004 |
| 6716352 |
Method for removing and recovering aromatic amines by using a non-porous membrane |
Apr. 6, 2004 |
| 6712974 |
Filterable composite adsorbents |
Mar. 30, 2004 |
| 6709575 |
Extended life combination filter |
Mar. 23, 2004 |
| 6699389 |
Method and apparatus for removing organic waste from water |
Mar. 2, 2004 |
| 6673447 |
Cationically charged coating on hydrophobic polymer fibers with poly (vinyl alcohol) assist |
Jan. 6, 2004 |
| 6669905 |
Systems and methods for collecting plasma that is free or virtually free of cellular blood species |
Dec. 30, 2003 |
| 6627291 |
Three dimensional patterned porous structures |
Sep. 30, 2003 |
| 6623639 |
Solvent-resistant microporous polybenzimidazole membranes |
Sep. 23, 2003 |
| 6615991 |
Filter aid |
Sep. 9, 2003 |
| 6605218 |
Dialyzers for blood treatment and processes for production thereof |
Aug. 12, 2003 |
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