ClassID:

30849

B01D2321/168 - CPC Classification

Classification description:

Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling; Use of chemical agents Use of other chemical agents

Recent Application in this class:
#1
20260131288
2026-05-14

WATER PRODUCTION METHOD

#2
20260102743
2026-04-16

BITUMINOUS WATERPROOFING MEMBRANE COMPRISING A RECYCLED BITUMINOUS BINDER, A REINFORCEMENT AND A REJUVENATOR

#3
20260097368
2026-04-09

SYSTEM AND METHODS FOR MIMICKING MEMBRANE CLEANING-IN-PLACE CONDITIONS

#4
20250367607
2025-12-04

METHODS AND COMPOSITIONS FOR CONTROLLING BIOFOULING

#5
20250360464
2025-11-27

METHOD OF FILTERING SOLIDS FROM A SOLUTION DERIVED FROM PLASMA

#6
20250346512
2025-11-13

WATER TREATMENT METHOD, WATER TREATMENT APPARATUS, SLIME INHIBITOR, AND CLEANING METHOD

#7
20250288957
2025-09-18

INTENSIFIED ULTRAFILTRATION/DIAFILTRATION PROCESSES

#8
20250276290
2025-09-04

APPARATUS AND METHOD FOR SEPARATION OF METAL-BEARING PHASES USING ELECTRODIALYSIS

#9
20250269330
2025-08-28

ADAPTIVE CLEANING-IN-PLACE METHOD FOR A MEMBRANE FILTRATION SYSTEM

#10
20250188387
2025-06-12

LOW TOXICITY SURFACTANT BOOSTER COMPOSITIONS FOR FILTRATION MEMBRANE CLEANING APPLICATIONS

#11
20250177924
2025-06-05

IN-SITU REPAIR METHOD FOR THE SURFACE OF PA MEMBRANE AFTER THE DESTRUCTION OF OXIDIZING SUBSTANCES

#12
20250144573
2025-05-08

DURABLE BIOFOULING PROTECTION

#13
20250091018
2025-03-20

DURABLE BIOFOULING PROTECTION

#14
20240350980
2024-10-24

Durable biofouling protection

#15
20240198292
2024-06-20

METHOD FOR PRESERVING COMPOSITE SEMIPERMEABLE MEMBRANE, PRESERVATION SOLUTION, AND SPIRAL MEMBRANE ELEMENT

#16
20240025772
2024-01-25

MEMBRANE SEPARATION METHOD

#17
20230407188
2023-12-21

METHOD FOR REMOVING ASPHALTENES, RESINS AND HEAVY METALS FROM CRUDE OIL

#18
20230330601
2023-10-19

METHODS FOR TREATING POROUS MEMBRANES

#19
20230287335
2023-09-14

CELL CULTURE MEDIA AND METHODS OF MAKING AND USING THE SAME

#20
20230174399
2023-06-08

WATER TREATMENT METHOD, WATER TREATMENT DEVICE AND SLIME INHIBITOR FOR MEMBRANES

#21
20230158458
2023-05-25

Calcium and/or Magnesium Additive for Membrane and Fouling Control and System and Process for Membrane Fouling Control Using the Additive

#22
20230098796
2023-03-30

Subsea seawater filtration apparatus

#23
20230010026
2023-01-12

SYSTEM AND METHOD FOR REMEDIATION OF WASTE PRODUCTS

#24
20220348849
2022-11-03

CHEMICAL PRODUCT AND PROCESS FOR CLEANING NANOFILTRATION AND REVERSE OSMOSIS MEMBRANES

#25
20220266201
2022-08-25

Polyamide (PA) nanofiltration (NF) membrane, and preparation method thereof by regeneration from scrapped microfiltration (MF) membrane

#26
20220241729
2022-08-04

Subsea seawater filtration apparatus

#27
20220219123
2022-07-14

FILTRATION MEMBRANE TREATMENT DEVICE, MEMBRANE FILTRATION DEVICE, AND FILTRATION MEMBRANE TREATMENT METHOD

#28
20220176324
2022-06-09

Use of extended surfactants in process membrane cleaning

#29
20220168692
2022-06-02

Forward osmotic and water hammer method of membrane cleaning

#30
20220135722
2022-05-05

Conjugated polyelectrolyte-grafted membrane and method for manufacturing the same

#31
20220097007
2022-03-31

CHEMICAL DOSING CONTROL METHOD

#32
20220001337
2022-01-06

Membrane disinfectant

#33
20210380903
2021-12-09

Non-caustic cleaning compositions and uses thereof

#34
20210339205
2021-11-04

Water treatment chemical for membranes and membrane treatment method

#35
20210322928
2021-10-21

Charge neutral biocide dosing control for membrane biofouling control applications

#36
20210283554
2021-09-16

Durable biofouling protection

#37
20210282403
2021-09-16

Durable biofouling protection

#38
20210275973
2021-09-09

Hollow fiber membrane module

#39
20210269338
2021-09-02

Method of Treating High Strength Wastewater by Anaerobic Bio Reactor

#40
20210197127
2021-07-01

Method for cleaning membrane

#41
20210170341
2021-06-10

Method for controlling slime in reverse osmosis membrane apparatus

#42
20210170340
2021-06-10

Device for cleaning and method for cleaning water treatment membrane, and water treatment system

#43
20210121828
2021-04-29

A POLYELECTROLYTE-BASED SACRIFICIAL PROTECTIVE LAYER FOR FOULING CONTROL IN DESALINATION AND WATER FILTRATION

#44
20210113968
2021-04-22

Microorganism recovering method and microorganism recovering apparatus

#45
20210069653
2021-03-11

Membrane disinfectant

#46
20210053014
2021-02-25

MEMBRANE CLEANING DEVICE AND MEMBRANE CLEANING METHOD

#47
20200406197
2020-12-31

MEMBRANES WITH SACRIFICIAL COATINGS

#48
20200338503
2020-10-29

Method of regenerating member and method of seawater desalination

#49
20200246757
2020-08-06

NANOCOMPOSITE MEMBRANES AND METHODS OF MAKING AND USING SAME

#50
20200216330
2020-07-09

Conversion of media filter into membrane gravity filter

#51
20200197872
2020-06-25

Water treatment membrane washing apparatus and water treatment membrane washing method

#52
20200164316
2020-05-28

Membrane cleaning solution and method of accelerated membrane cleaning using the same

#53
20200147556
2020-05-14

SYSTEM AND METHOD FOR CLEANING MEMBRANE FILTERS IN-LINE IN A WATER PURIFICATION SYSTEM

#54
20200101425
2020-04-02

Nanoscale membrane for removing trace organic contaminants in a fluid and methods of making and using the same

#55
20200094192
2020-03-26

Subsea Seawater Filtration Apparatus

#56
20190364902
2019-12-05

Method for producing stabilized hypobromous acid composition, stabilized hypobromous acid composition, and slime inhibition method for separation membrane

#57
20190275468
2019-09-12

Compositions and methods for the reduction of biofilm and spores from membranes

#58
20190263695
2019-08-29

Method of treating high strength wastewater by anaerobic bio reactor

#59
20190232226
2019-08-01

CONVERSION OF MEDIA FILTER INTO MEMBRANE GRAVITY FILTER

#60
20190184344
2019-06-20

Systems for water extraction for up-concentration of organic solutes

#61
20190168166
2019-06-06

Cleaning method of a water-filtration system under operation

#62
20190099720
2019-04-04

Use of extended surfactants in process membrane cleaning

#63
20190071740
2019-03-07

Saccharified solution production method using porous membrane

#64
20190054428
2019-02-21

Functionalized Ceramic Membranes for the Separation of Organics from Raw Water and Methods of Filtration Using Functionalized Ceramic Membranes

#65
20190046930
2019-02-14

MEMBRANE FILTRATION DEVICE, FILTRATION MEMBRANE CLEANING METHOD, AND METHOD FOR MANUFACTURING FILTRATION MEMBRANE

#66
20190030489
2019-01-31

Scale inhibitor for reverse osmosis membranes and reverse osmosis membrane treatment method

#67
20190022594
2019-01-24

Ultrathin, conductive and fouling-resistant zwitterionic polymer films

#68
20180354824
2018-12-13

Phosphorus precipitation and membrane flux in membrane bioreactors

#69
20180297031
2018-10-18

Centrifugal force-based nanoparticle separation apparatus and method for separating nanoparticles using the same

#70
20180282186
2018-10-04

Method for operating reverse-osmosis membrane treatment system

#71
20180257038
2018-09-13

Agent, liquid, and method for cleaning reverse osmosis membrane

#72
20180221825
2018-08-09

WATER TREATMENT METHOD AND WATER TREATMENT APPARATUS

#73
20180214827
2018-08-02

PERYLENE DIIMIDE BASED MEMBRANE AND METHODS OF USE THEREOF

#74
20180200678
2018-07-19

AGENT, LIQUID, AND METHOD FOR CLEANING REVERSE OSMOSIS MEMBRANE

#75
20180037473
2018-02-08

Conversion of media filter into membrane gravity filter

#76
20180008935
2018-01-11

Comprehensive evaluation method for performance of contaminated flat membranes

#77
20170296974
2017-10-19

Method of cleaning microfiltration and ultrafiltration membranes

#78
20170296970
2017-10-19

Process for extraction and separation of oxyresveratrol from Roxb

#79
20170275571
2017-09-28

Alkaline cleaning liquid comprising urea and/or biuret, and cleaning method for reverse osmosis membrane

#80
20170232395
2017-08-17

Water treatment device and operating method for water treatment device

#81
20170216777
2017-08-03

Method and apparatus for cleaning filter membrane, and water treatment system

#82
20170190603
2017-07-06

Inhibtion of silica scale using hydrophobically-modified alkylene oxide urethane copolymer

#83
20170138833
2017-05-18

Method of sterilizing and testing the integrity of dialyzers

#84
20170136417
2017-05-18

MEMBRANES WITH SACRIFICIAL COATINGS

#85
20170044029
2017-02-16

Filtration treatment system and filtration treatment method

#86
20170037339
2017-02-09

Compositions and methods for cleaning membranes

#87
20170021309
2017-01-26

Methods of conditioning membranes

#88
20170015788
2017-01-19

Process for making a polyzwitterion or polyzwitterionic acid

#89
20170001151
2017-01-05

Antifouling and antimicrobial coatings for thin film composite membranes

#90
20160375407
2016-12-29

Membrane fouling reduction using chemical micropumps

#91
20160304372
2016-10-20

SUBSURFACE WATER TREATMENT SYSTEM

#92
20160271565
2016-09-22

Composition and method for biofouling inhibition of membrane separation device

#93
20160263529
2016-09-15

Improving the chemical stability of filtration membranes

#94
20160198721
2016-07-14

Method for producing stabilized hypobromous acid composition, stabilized hypobromous acid composition, and slime inhibition method for separation membrane

#95
20160185630
2016-06-30

Multifunctional method for membrane protection and biofouling control

#96
20160144098
2016-05-26

Membrane separation and washing devices, systems and methods employing same, and data management systems and methods

#97
20160107126
2016-04-21

Materials and methods for reducing biofouling in water treatment membrane systems

#98
20160102275
2016-04-14

Use of activator complexes to enhance lower temperature cleaning in alkaline peroxide cleaning systems

#99
20160045874
2016-02-18

Nanocomposite membranes with advanced antifouling properties under visible light irradiation

#100
20160045872
2016-02-18

FILTRATION APPARATUS AND METHOD FOR CLEANING FILTRATION MODULE

#101
20160023166
2016-01-28

SYSTEM FOR CLEANING A MEMBRANE

#102
20160016127
2016-01-21

Water extraction system containing a membrane including an active layer having a cross-linked aromatic polyamide thin film

#103
20150367290
2015-12-24

Fouling inhibitor, filtration membrane and method for producing same

#104
20150352500
2015-12-10

In situ repairing technique for compromised polymeric membranes

#105
20150343386
2015-12-03

Compositions and methods of cleaning polyvinyl pyrrolidone-based hemodialysis filtration membrane assemblies

#106
20150328588
2015-11-19

FILTRATION SYSTEMS AND MEMBRANES WITH ENHANCED FLUX AND METHOD FOR THEIR PREPARATION

#107
20150293094
2015-10-15

Methods and systems useful for foodborne pathogen detection

#108
20150202574
2015-07-23

Furanone containing polymer compound with bacteria-adhesion properties

#109
20150191801
2015-07-09

Method of producing sugar solution

#110
20150183933
2015-07-02

Synthesis of a diallylammonium/SOcopolymer bearing phospho- and sulfopropyl pendents

#111
20150175936
2015-06-25

Use of alkoxylated non-ionic surfactants as additive in aqueous membrane cleaning compositions

#112
20150136695
2015-05-21

Systems and Methods For Cleaning A Membrane Separation System

#113
20150136666
2015-05-21

Drinking water vending dispenser facilitated to collect and purify drainage water

#114
20150090660
2015-04-02

Light-Assisted Membrane Treatment and Cleaning

#115
20150087877
2015-03-26

Enhancing flux of a microporous hollow fiber membrane

#116
20150068978
2015-03-12

ENHANCMENT OF MEMBRANE ROBUSTNESS BY TREATMENT WITH IONIC MATERIALS

#117
20150050598
2015-02-19

Methods for cleaning membranes used for filtering chemicals

#118
20150045276
2015-02-12

Agent and method for cleaning permeable membranes

#119
20140346110
2014-11-27

Semipermeable filtration membrane with integrated producing circuit

#120
20140332470
2014-11-13

Trimethylolpropane core, phosphonic acid terminated dendrimer and its preparation method

#121
20140291241
2014-10-02

Functionalized ceramic membranes for the separation of organics from raw water and methods of filtration using functionalized ceramic membranes

#122
20140262253
2014-09-18

Process for recovering oil and treating resulting produced water with ceramic membranes

#123
20140048471
2014-02-20

Module for purifying a fluid containing a cleaning agent, and methods of fabricating and using this kind of module

#124
20130146539
2013-06-13

Membrane with localized asymmetries

#125
20130101683
2013-04-25

Use of sulfamic acid or its salts as stabilizers especially in combination with ammonium salt and/or ammine for bleach or other halogen containing biocides in the paper area

#126
20130101682
2013-04-25

Biocontrol through the use of chlorine-stabilizer blends

#127
20130048563
2013-02-28

TANNIN POLYMERS AS AIDS FOR REDUCING FOULING OF CERAMIC MEMBRANES

#128
20130026097
2013-01-31

Combined chlorine agent and production and use thereof

#129
20120325748
2012-12-27

Antimicrobial water treatment membranes and production thereof

#130
20120312687
2012-12-13

Functional and reusable electrodeposited coatings on porous membranes

#131
20120298574
2012-11-29

Organic/inorganic hybrid compound for fouling resistance, membrane including the same for fouling resistance, and method of preparing membrane for fouling resistance

#132
20120255918
2012-10-11

USE OF RHAMNOLIPIDS IN THE WATER TREATMENT INDUSTRY

#133
20120168370
2012-07-05

METHOD OF IMPROVING REJECTION OF PERMEABLE MEMBRANE AND PERMEABLE MEMBRANE

#134
20120160767
2012-06-28

ADDITIVE USED IN A MEMBRANE-SEPARATION ACTIVATED SLUDGE PROCESS

#135
20120145630
2012-06-14

Fresh water production method

#136
20120111791
2012-05-10

Surface Deposition of Small Molecules to Increase Water Purification Membrane Fouling Resistance

#137
20120094361
2012-04-19

Method of Separation of Algal Biomass from Aqueous or Marine Culture

#138
20120090641
2012-04-19

Method for cleaning filtering membrane

#139
20120080058
2012-04-05

Application of rejection enhancing agents (REAs) that do not have cloud point limitations on desalination membranes

#140
20120074059
2012-03-29

CLEANING METHOD FOR FILTRATION MEMBRANE AND MEMBRANE FILTRATION APPARATUS

#141
20120048814
2012-03-01

Method for cleaning filter structures in filtration installations for filtering liquid products, and a filtration installation

#142
20120031838
2012-02-09

Process for producing reclaimed water and system for producing reclaimed water

#143
20120017942
2012-01-26

Module for purifying a fluid containing a cleaning agent, and methods of fabricating and using this kind of module

#144
20110168623
2011-07-14

FEED SIDE PASSAGE MATERIAL AND SPIRAL SEPARATION MEMBRANE ELEMENT

#145
20110155665
2011-06-30

Method and System for High Recovery Water Desalting

#146
20110151517
2011-06-23

Process for the preparation of homopolysaccharides

#147
20110120941
2011-05-26

Composite membranes with performance enhancing layers

#148
20110120936
2011-05-26

Anti-Biofouling Materials and Methods of Making Same

#149
20110114557
2011-05-19

CLEANING IN MEMBRANE FILTRATION SYSTEMS

#150
20110094963
2011-04-28

MEMBRANE SEPARATION METHOD AND MEMBRANE SEPARATION DEVICE

#151
20110056522
2011-03-10

Method of cleaning membranes

#152
20110049053
2011-03-03

METHOD FOR INHIBITING THE DEPOSITION OF SILICA AND/OR SILICATE COMPOUNDS IN AQUEOUS SYSTEMS

#153
20110027599
2011-02-03

Nanocomposite membranes and methods of making and using same

#154
20110023913
2011-02-03

Process for cleaning substrates with oxidising agents and reducing agents

#155
20100323573
2010-12-23

High flux and low fouling filtration media

#156
20100314318
2010-12-16

HALOGENATED AMIDE BIOCIDAL COMPOUNDS AND METHODS FOR TREATING WATER SYSTEMS AT NEAR NEUTRAL TO HIGH PH

#157
20100300970
2010-12-02

Process for enhanced total organic carbon removal while maintaining optimum membrane filter performance

#158
20100282679
2010-11-11

ADVANCED CONTROL METHOD FOR A MEMBRANE FILTRATION UNIT, AND DEVICE FOR IMPLEMENTING THE METHOD

#159
20100276365
2010-11-04

System and method for removing organic contaminants from water

#160
20100193436
2010-08-05

Pre-treatment reverse osmosis water recovery method for brine retentate metals removal

#161
20100178489
2010-07-15

Composite semipermeable membrane

#162
20100140170
2010-06-10

Filter cleaning method

#163
20100133184
2010-06-03

CLEANING AGENT FOR SEPARATION MEMBRANE, PROCESS FOR PREPARING THE CLEANING AGENT, AND CLEANING METHOD

#164
20100133182
2010-06-03

MICROSPHERIC TIO2 PHOTOCATALYST

#165
20100108601
2010-05-06

Method for Treating Ballast Water with a Membrane

#166
20100108241
2010-05-06

Membrane structure and method of making

#167
20100096326
2010-04-22

METHOD TO CONTROL REVERSE OSMOSIS MEMBRANE BIOFOULING IN MUNICIPAL WATER PRODUCTION

#168
20100051527
2010-03-04

MICROPOROUS FILTER WITH AN ANTIMICROBIAL SOURCE

#169
20100047156
2010-02-25

MULTIPLE STAGE REVERSE OSMOSIS METHOD FOR REMOVING BORON FROM A SALINATED FLUID

#170
20100044321
2010-02-25

MICROPOROUS FILTER WITH A LOW ELUTION ANTIMICROBAL SOURCE

#171
20100032373
2010-02-11

METHOD FOR THE OPTIMISED MANAGEMENT OF A MEMBRANE FILTRATION UNIT AND EQUIPMENT FOR REALISING THE SAME

#172
20100025329
2010-02-04

METHOD FOR TREATMENT WITH REVERSE OSMOSIS MEMBRANE

#173
20100018921
2010-01-28

Reverse osmosis water recover method

#174
20100000942
2010-01-07

MONOPERSULFATE TREATMENT OF MEMBRANES

#175
20090325841
2009-12-31

USE OF ACTIVATOR COMPLEXES TO ENHANCE LOWER TEMPERATURE CLEANING IN ALKALINE PEROXIDE CLEANING SYSTEMS

#176
20090203567
2009-08-13

USE OF ACTIVATOR COMPLEXES TO ENHANCE LOWER TEMPERATURE CLEANING IN ALKALINE PEROXIDE CLEANING SYSTEMS

#177
20090200234
2009-08-13

METHODS FOR CLEANING SURFACES WITH ACTIVATED OXYGEN

#178
20090188861
2009-07-30

Preventing and cleaning fouling on reverse osmosis membranes

#179
20090188860
2009-07-30

Use of antimicrobials in water technology

#180
20090175757
2009-07-09

Titanium dioxide, single-walled carbon nanotube composites

#181
20090145773
2009-06-11

Membrane Cycle Cleaning

#182
20090127212
2009-05-21

Chemical Cleaning Agent And Process For Cleaning Filtration Membranes

#183
20090124844
2009-05-14

METHOD OF DETOXIFICATION TREATMENT FOR FILTER WITH PERSISTENT SUBSTANCE ADHERING THERETO

#184
20090101578
2009-04-23

Process for enhanced total organic carbon removal while maintaining optimum membrane filter performance

#185
20090066316
2009-03-12

Electrokinetic Method for Determining the Electrostatic Charge State of a Porous Membrane During Filtering and the Use Thereof

#186
20090050563
2009-02-26

Treatment method for reverse osmosis filtration systems

#187
20090050555
2009-02-26

Permselective membrane module and method for manufacturing the same

#188
20090032466
2009-02-05

Agent for increasing rejection with a permeable membrane, process for increasing the rejection, permeable membrane and process for water treatment

#189
20080272050
2008-11-06

Multi-Barrier Water Purification System and Method

#190
20080271758
2008-11-06

Method of cleaning fouled and/or scaled membranes

#191
20080251457
2008-10-16

Method for reducing fouling in microfiltration systems

#192
20080237125
2008-10-02

METHOD OF CLEANING MEMBRANES

#193
20080203018
2008-08-28

Monopersulfate treatment of membranes

#194
20080203016
2008-08-28

Cleaning in membrane filtration systems

#195
20080182043
2008-07-31

Porous membrane and recording medium comprising same

#196
20080179244
2008-07-31

DRAIN-FLUSH SEQUENCE AND SYSTEM FOR FILTER MODULE

#197
20080171188
2008-07-17

Porous membrane and recording medium, as well as process for preparing same

#198
20080169006
2008-07-17

Method of cleaning fouled or scaled membranes

#199
20080161222
2008-07-03

Use of polyaminomethylenephosphonates as dispersing agents

#200
20080149570
2008-06-26

METHOD OF CLEANING AND MAINTAINING A MEMBRANE USED WITH AN AQUEOUS STREAM

#201
20080128354
2008-06-05

METHOD FOR WASHING FILTRATION MEMBRANES

#202
20080006574
2008-01-10

Membrane structure and method of making

#203
20070289914
2007-12-20

Filter with at least one membrane sputtering-coated with silver particles

#204
20070210002
2007-09-13

CHEMICAL AND PROCESS FOR CLEANING MEMBRANES

#205
20070187326
2007-08-16

Membrane filter cleaning method and installation for implementing same

#206
20070181497
2007-08-09

RO membrane cleaning method

#207
20070181496
2007-08-09

Process and apparatus for purifying impure water using microfiltration or ultrafiltration in combination with reverse osmosis

#208
20070163951
2007-07-19

Chlorine resistant desalination membranes based on directly sulfonated poly(arylene ether sulfone) copolymers

#209
20070090051
2007-04-26

Hollow fiber membrane and method of producing the same

#210
20070068871
2007-03-29

Low water recovery rate desalination system and method

#211
20070056904
2007-03-15

Cleaning of filtration membranes with peroxides

#212
20070051678
2007-03-08

Method of removing silicon dioxide from waste liquid, method of cleaning membrane tube and method of processing waste water

#213
20070045189
2007-03-01

Acid mine water demineralization methods

#214
20070045187
2007-03-01

Biofouling control of membrane water-purification systems

#215
20070034570
2007-02-15

Biofilm reduction in pressure driven membrane-based water treatment systems

#216
20070034569
2007-02-15

Backwash and cleaning method

#217
20070029236
2007-02-08

Module for purifying a fluid containing a cleaning agent, and methods of fabricating and using this kind of module

#218
20070023363
2007-02-01

Installation and method for the purification of an aqueous effluent by means of oxidation and membrane filtration

#219
20070015680
2007-01-18

Detergent for washing a selectively permeable membrane and method of washing

#220
20060273038
2006-12-07

Chemical cleaning for membranes

#221
20060272198
2006-12-07

Method for improving flux in a membrane bioreactor

#222
20060266705
2006-11-30

Refreshing chemicals during membrane cleaning

#223
20060254624
2006-11-16

Method of monitoring membrane cleaning processes

#224
20060237038
2006-10-26

Process for cleaning filters

#225
20060219613
2006-10-05

Water purification system and method

#226
20060213165
2006-09-28

Ceramic filter

#227
20060207936
2006-09-21

Method for avoiding clogging of filtration membranes

#228
20060194884
2006-08-31

Description of an inorganic polymer "electret" in a colloidal state along with the method of generating and applications

#229
20060157090
2006-07-20

Method of monitoring membrane cleaning processes

#230
20060144776
2006-07-06

Manual dialyzer header cleaning device

#231
20060131236
2006-06-22

Model for microfiltration of poly-disperse suspensions

#232
20060131234
2006-06-22

Scouring method

#233
20060081536
2006-04-20

Ultrafiltration and microfiltration module and system

#234
20060065598
2006-03-30

Method of treating reverse osmosis membranes for boron rejection enhancement

#235
20060060529
2006-03-23

Chemical cleaning backwash for normally immersed membranes

#236
20060032823
2006-02-16

Disinfection of reverse osmosis membrane

#237
20060016754
2006-01-26

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Nanofiltration system for water softening with internally staged spiral wound modules

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Method of cleaning and qualifying a dialysis filter and machine for same

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Method for treating reverse osmosis membranes with chlorine dioxide

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Nanofilter system and method of use

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Treatment of semi-permeable filtration membranes

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Cleaning composition and apparatus for removing biofilm and debris from lines and tubing and method therefor