Patents-Review.com
ClassID:

239869 ⎘

Y10S210/911 - CPC Classification

Classification description:

Liquid purification or separation; Materials removed Cumulative poison

Sub-classes:
Recent Application in this class:
#1
20120160757
2012-06-28

SYSTEMS AND METHODS FOR TREATING WATER USING IRON

 #2
20110139700
2011-06-16

Collection can for precipitated powder substance and the use thereof

 #3
20110120929
2011-05-26

Systems for treating water using iron

 #4
20110094969
2011-04-28

REMOVAL OF ARSENIC FROM DRINKING AND PROCESS WATER

 #5
20100230350
2010-09-16

Method and apparatus for treating selenium-containing wastewater

 #6
20100162780
2010-07-01

Method and apparatus for depositing agents upon and within bio-char

 #7
20100044317
2010-02-25

Water purification device for arsenic removal

 #8
20100000924
2010-01-07

Wastewater treatment apparatus

 #9
20090289016
2009-11-26

Method of treating wastewater with reducing water purification material

 #10
20090242483
2009-10-01

Element removal process

 #11
20090101588
2009-04-23

Removal of Arsenic from Drinking and Process Water

 #12
20090020482
2009-01-22

Method for removing contaminant trace species, especially arsenic, from water

 #13
20080302728
2008-12-11

Method for removing mercury and/or arsenic from contaminated water using an intimate mixture of organoclay and elemental sulfur

 #14
20080277349
2008-11-13

Reactive filtration

 #15
20080156734
2008-07-03

Apparatus for treating a flow of an aqueous solution containing arsenic

 #16
20080142450
2008-06-19

Selenium removal process

 #17
20080142446
2008-06-19

Selenium removal process

 #18
20080093580
2008-04-24

Composition for removing arsenic from aqueous streams

 #19
20080076956
2008-03-27

Lignocellulose-based anion-adsorbing medium (LAM) and process for making and using same for the selective removal of phosphate and arsenic anionic contaminants from aqueous solutions

 #20
20070278159
2007-12-06

Methods for treating water using iron

 #21
20070262023
2007-11-15

Method for removing arsenite and arsenate from water

 #22
20070209989
2007-09-13

Reducing water purification material, method for producing reducing water purification material, method for treating wastewater, and wastewater treatment apparatus

 #23
20070114185
2007-05-24

Selenium removal from water

 #24
20060249460
2006-11-09

Method for removing arsenic from water

 #25
20060207945
2006-09-21

Process for removing arsenic from aqueous streams

 #26
20060086670
2006-04-27

Removal of arsenic from drinking and process water

 #27
20060021927
2006-02-02

Apparatus for the preparation of arsenic free water

 #28
20050205495
2005-09-22

Method for removal of arsenic from water

 #29
20050133455
2005-06-23

Process for removing arsenic from drinking water

 #30
20050124482
2005-06-09

Silver chloride treated water purification device containing the porous grog and method for making same

 #31
20050098503
2005-05-12

Lignocellulose-based anion-adsorbing medium (LAM) and process for making and using same for the selective removal of phosphate and arsenic anionic contaminants from aqueous solutions

 #32
20050092687
2005-05-05

Method for removing contaminants from water using ruthenium based contaminant sorbents and oxidizers