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Class Information
Number: 210/662
Name: Liquid purification or separation > Processes > Ion exchange or selective sorption > And liquid testing or volume measuring
Description: Process including testing a liquid to determine its chemical composition or measuring its volume.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7393380 |
Method of guaranteeing at least one characteristic of a fluid used for producing food products |
Jul. 1, 2008 |
| 7393969 |
Particular calixarenes method for production and use thereof |
Jul. 1, 2008 |
| 7390412 |
Method of managing the valves of a simulated moving bed separation system |
Jun. 24, 2008 |
| 7357871 |
Method for evaluating cation-exchange resin and method for controlling water treatment system using the same |
Apr. 15, 2008 |
| 7326348 |
Method for removal and destruction of ammonia from an aqueous medium |
Feb. 5, 2008 |
| 7309436 |
Process for removing perchlorate ions from water streams |
Dec. 18, 2007 |
| 7273555 |
Process for continuous ion exchange |
Sep. 25, 2007 |
| 7264837 |
Resin deacidification of citrus juice and high acid maintenance |
Sep. 4, 2007 |
| 7247242 |
Arsenic removal from water |
Jul. 24, 2007 |
| 7238735 |
Process for producing aqueous dispersion of purified polytetrafluoroethylene |
Jul. 3, 2007 |
| 7192526 |
Method of optimizing the operation of a xylene separation unit using simulated countercurrent |
Mar. 20, 2007 |
| 6926835 |
Water softening device |
Aug. 9, 2005 |
| 6911152 |
High-sensitivity method and apparatus for monitoring impurities in water |
Jun. 28, 2005 |
| 6884356 |
Low-level boron detection and measurement |
Apr. 26, 2005 |
| 6814872 |
Controller and method for controlling regeneration of a water softener |
Nov. 9, 2004 |
| 6790362 |
Efficiency mode for water softener |
Sep. 14, 2004 |
| 6767468 |
Method to remove uranium/vanadium contamination from groundwater |
Jul. 27, 2004 |
| 6762057 |
Separation apparatus including porous silicon column |
Jul. 13, 2004 |
| 6746609 |
Cooling tower water treatment |
Jun. 8, 2004 |
| 6736976 |
Fluid treatment process |
May. 18, 2004 |
| 6706193 |
Method for recovering fluorinated emulsifiers from aqueous phases |
Mar. 16, 2004 |
| 6696301 |
Method for determination of 5-hydroxycreatinine |
Feb. 24, 2004 |
| 6652755 |
Simulated moving bed separation system |
Nov. 25, 2003 |
| 6652754 |
Process for determining by simulation the optimum stabilization conditions of a simulated moving bed separation system |
Nov. 25, 2003 |
| 6602421 |
Method for purifying contaminated groundwater using steel slag |
Aug. 5, 2003 |
| 6548307 |
Determination of logP coefficients via a RP-HPLC column |
Apr. 15, 2003 |
| 6541273 |
Multiple sorbent cartridges for solid phase extraction |
Apr. 1, 2003 |
| 6531064 |
Method for removal of radionuclide contaminants from groundwater |
Mar. 11, 2003 |
| 6531063 |
Zeolite bed leach septic system and method for wastewater treatment |
Mar. 11, 2003 |
| 6524863 |
High throughput HPLC method for determining Log P values |
Feb. 25, 2003 |
| 6521131 |
Combined oxidation and chelating adsorption system for removal of mercury from water |
Feb. 18, 2003 |
| 6498040 |
HPLC apparatus for fractioning and preparing sample for NMR spectrometry and method of changing mobile phase |
Dec. 24, 2002 |
| 6495371 |
Continuous electrolytically regenerated packed bed suppressor for ion chromatography |
Dec. 17, 2002 |
| 6482325 |
Apparatus and process for separation and recovery of liquid and slurry abrasives used for polishing |
Nov. 19, 2002 |
| 6475390 |
Process for the purification of nutrients from food process streams |
Nov. 5, 2002 |
| 6471870 |
Method intended to optimize the operation of a system for separating the constituents of a mixture |
Oct. 29, 2002 |
| 6461858 |
Enzyme activated supports for enantiomeric separations |
Oct. 8, 2002 |
| 6451210 |
Method and system to remotely monitor a carbon adsorption process |
Sep. 17, 2002 |
| 6447685 |
Method for separating multi-phase mixtures of solvents having small differences in density |
Sep. 10, 2002 |
| 6444127 |
Water conditioning unit control valve |
Sep. 3, 2002 |
| 6398966 |
Method for removing oil from water including monitoring of adsorbent saturation |
Jun. 4, 2002 |
| 6361696 |
Self-regenerative process for contaminant removal from liquid and supercritical CO2 fluid streams |
Mar. 26, 2002 |
| 6348153 |
Method for separating heavy isotopes of hydrogen oxide from water |
Feb. 19, 2002 |
| 6334886 |
Removal of corrosive contaminants from alkanolamine absorbent process |
Jan. 1, 2002 |
| 6316270 |
Acid base or generator |
Nov. 13, 2001 |
| 6270675 |
Method for using a weak acid resin to remove dissolved metals from an aqueous-based stream |
Aug. 7, 2001 |
| 6245128 |
Process for the reclamation of spent alkanolamine solution |
Jun. 12, 2001 |
| 6235200 |
Method and apparatus for controlling recharging of water conditioning apparatus |
May. 22, 2001 |
| 6216092 |
Dosage monitor for deionized water generator |
Apr. 10, 2001 |
| 6214233 |
Process for simultaneous oxidation of cyanide and recovery of heavy metals from waste water |
Apr. 10, 2001 |
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