ClassID:

86465

C02F2101/108 - CPC Classification

Classification description:

Nature of the contaminant; Inorganic compounds Boron compounds

Recent Application in this class:
#1
20260132065
2026-05-14

METHOD FOR PRODUCING PURE WATER FROM WHICH BORON HAS BEEN REMOVED, PURE WATER PRODUCTION DEVICE, AND ULTRAPURE WATER PRODUCTION SYSTEM

#2
20260008708
2026-01-08

TREATING PRODUCED WATER FOR BENEFICIAL REUSE

#3
20250346514
2025-11-13

WATER TREATMENT SYSTEM AND WATER TREATMENT METHOD

#4
20250281881
2025-09-11

ELECTRODEIONIZATION DEVICE AND OPERATION METHOD THEREFOR

#5
20250263321
2025-08-21

METHOD AND APPARATUS FOR TREATING NATURAL GAS AND OIL WELL WASTE WATERS FOR REMOVAL OF CONTAMINANTS AND DISSOLVED SOLIDS

#6
20250263315
2025-08-21

METHOD FOR TREATMENT OF WASTEWATER WITH HIGH BORON CONCENTRATION

#7
20250222428
2025-07-10

POROUS NANOCOMPOSITES

#8
20250162917
2025-05-22

ULTRAPURE WATER PRODUCTION SYSTEM AND METHOD FOR PRODUCING ULTRAPURE WATER

#9
20250144574
2025-05-08

FILTRATION MEMBRANES, SYSTEMS, AND METHODS FOR PRODUCING PURIFIED WATER

#10
20250100913
2025-03-27

ELECTRODIALYSIS PROCESS FOR HIGH ION REJECTION IN THE PRESENCE OF BORON

#11
20250002378
2025-01-02

REGENERATABLE SYSTEM FOR CONTAMINANT REMOVAL

#12
20240409445
2024-12-12

METHODS OF TREATING WATER TO REMOVE CONTAMINANTS AND WATER TREATMENT PLANTS FOR THE PRACTICE THEREOF

#13
20240376292
2024-11-14

COMPOSITIONS AND METHODS FOR REMOVING BORON FROM AQUEOUS SOLUTIONS

#14
20240342657
2024-10-17

WATER TREATMENT SYSTEM AND WATER TREATMENT METHOD

#15
20240308888
2024-09-19

ELECTRODIALYSIS PROCESSES USING AN ORGANIC SOLVENT FOR SEPARATING DISSOLVED SPECIES

#16
20240132389
2024-04-25

Treatment of saline water for agricultural and potable use

#17
20240100501
2024-03-28

COMPOSITION OF SMALL PARTICLE SIZE ACTIVATED CARBON FOR IMMOBILIZING INORGANIC COMPOUNDS FROM CONTAMINATED MEDIUMS

#18
20240092647
2024-03-21

PROCESSING OF LITHIUM CONTAINING BRINES

#19
20240043293
2024-02-08

Electrochemical Reduction Reactor, and System and Method Comprising Same

#20
20240002265
2024-01-04

ELECTRODEIONIZATION DEVICE AND METHOD FOR PRODUCING DEIONIZED WATER

#21
20230406734
2023-12-21

Electrodeionization Configuration for Enhanced Boron Removal

#22
20230331593
2023-10-19

PURE WATER PRODUCTION SYSTEM AND PURE WATER PRODUCTION METHOD

#23
20230264981
2023-08-24

MANAGEMENT METHOD OF ULTRAPURE WATER PRODUCTION SYSTEM

#24
20230183115
2023-06-15

BORON REMOVAL DEVICE AND BORON REMOVAL METHOD, AND PURE WATER PRODUCTION DEVICE AND PURE WATER PRODUCTION METHOD

#25
20220281758
2022-09-08

BORON AND BROMINE RECOVERY SYSTEM

#26
20220227650
2022-07-21

Integrated boron removal and flocculation process for treating fracturing wastewater

#27
20220162104
2022-05-26

Apparatus for removing boron, method for removing boron, apparatus for producing pure water and method for producing pure water

#28
20220001372
2022-01-06

METHOD FOR PRODUCING RESIN USEFUL IN SEMICONDUCTOR MANUFACTURING

#29
20210395113
2021-12-23

Regeneratable system for contaminant removal

#30
20210347650
2021-11-11

Processing of lithium containing brines

#31
20210291141
2021-09-23

Method of removing boric acid from an aqueous solution

#32
20210276892
2021-09-09

Electrodialysis processes using an organic solvent for separating dissolved species

#33
20210261445
2021-08-26

Method of removing boron from water to be treated, boron-removing system, ultrapure water production system, and method of measuring concentration of boron

#34
20210246050
2021-08-12

Method for producing ultrapure water, ultrapure water production system, and ion exchanger-filled module

#35
20210230027
2021-07-29

Methods of treating water to remove contaminants and water treatment plants for the practice thereof

#36
20210188665
2021-06-24

Sorbent compositions for the removal of boron from aqueous mediums

#37
20210087076
2021-03-25

Porous nanocomposites

#38
20210039009
2021-02-11

Method and system for purifying contaminated water

#39
20200385299
2020-12-10

Treatment of saline water for agricultural and potable use

#40
20200289986
2020-09-17

CONCURRENT DESALINATION AND BORON REMOVAL (CDBR) PROCESS

#41
20200231473
2020-07-23

SYSTEMS AND METHODS FOR REMOVAL OF BORON FROM WATER, SUCH AS OILFIELD WASTEWATER

#42
20200131062
2020-04-30

Method of boron-contained wastewater treatment

#43
20190263697
2019-08-29

Treatment of saline water for agricultural and potable use and for generation of disinfectant solution

#44
20190248689
2019-08-15

Method and apparatus for treating natural gas and oil well waste waters for removal of contaminants and dissolved solids

#45
20190184344
2019-06-20

Systems for water extraction for up-concentration of organic solutes

#46
20190071337
2019-03-07

BIOCONVERSION PROCESSES AND APPARATUS

#47
20190023595
2019-01-24

Method for treating an effluent supersaturated with calcium carbonate in the presence of phosphonate precipitation-inhibiting products

#48
20190009246
2019-01-10

Method of removing borate ions from an aqueous solution

#49
20180186661
2018-07-05

Proppants for removal of contaminants from fluid streams and methods of using same

#50
20180170773
2018-06-21

Sorbent compositions for the removal of boron from aqueous mediums

#51
20180119079
2018-05-03

SYMBIOTIC ALGAE SYSTEM

#52
20180057370
2018-03-01

High-performance anion exchange membranes and methods of making same

#53
20180028978
2018-02-01

Methods and systems for treating high temperature produced water

#54
20170362108
2017-12-21

HYBRID ACTIVATED IRON-BIOLOGICAL WATER TREATMENT SYSTEM AND METHOD

#55
20170354932
2017-12-14

Electrodeionization device and pure-water production system

#56
20170341959
2017-11-30

WATER TREATMENT USING A CRYPTOCRYSTALLINE MAGNESITE - BENTONITE CLAY COMPOSITE

#57
20170157592
2017-06-08

Particulate sorption medium prepared from partially decomposed organic matter

#58
20170081220
2017-03-23

Water treatment system having tubular modules

#59
20170081215
2017-03-23

Continuous and modular treatment system for removing boron, consisting of a boron removal system together with a resin regeneration system including three columns

#60
20160375433
2016-12-29

Inorganic material for removing harmful substance from wastewater and method of preparing the same, and method for wastewater treatment

#61
20160310907
2016-10-27

Multilayer separation membrane

#62
20160289098
2016-10-06

Microscale-based device for purifying fluid and method of use

#63
20160185637
2016-06-30

Process for industrial production of sea water basically suitable for food use

#64
20160159671
2016-06-09

METHOD AND APPARATUS FOR TREATING WATER CONTAINING BORON

#65
20160068414
2016-03-10

Addition of aluminum reagents to oxoanion-containing water streams

#66
20160060151
2016-03-03

Method for treating industrial water by physical separation, adsorption on resin and reverse osmosis, and corresponding plant

#67
20160052808
2016-02-25

Zero valent iron systems and methods for treatment of contaminated wastewater

#68
20160016127
2016-01-21

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

#69
20160009582
2016-01-14

Methods and systems for treating produced water

#70
20160008773
2016-01-14

Composite semipermeable membrane and production thereof

#71
20150368137
2015-12-24

METHOD AND APPARATUS FOR TREATING NATURAL GAS AND OIL WELL WASTE WATERS FOR REMOVAL OF CONTAMINANTS AND DISSOLVED SOLIDS

#72
20150336883
2015-11-26

Heavy metal remediation via sulfur-modified bio-oils

#73
20150307376
2015-10-29

Method for treating waste water containing fluorine component

#74
20150232350
2015-08-20

Proppants for removal of contaminants from fluid streams and methods of using same

#75
20150203377
2015-07-23

System for removing minerals from a brine using electrodialysis

#76
20150175448
2015-06-25

SYSTEM FOR TREATING WASTEWATER CONTAINING BORON AND IODINE

#77
20150166375
2015-06-18

Systems and methods for water treatment

#78
20150118130
2015-04-30

Boron recovery apparatus, boron recovery method, and boron recovery system

#79
20140353253
2014-12-04

Composite membrane with multi-layered active layer

#80
20140224734
2014-08-14

Removal of boron from saline water using alkalized NF membrane pretreatment

#81
20140158630
2014-06-12

High capacity perchlorate-selective resins from hyperbranched macromolecules

#82
20140138318
2014-05-22

Process for treating water with a counter-current ion exchange unit including silica and boron concentatration monitoring and regeneration thereof

#83
20130264208
2013-10-10

Systems and methods for water treatment

#84
20130213893
2013-08-22

System and method for treating produced, desalted, and flow back water

#85
20130157905
2013-06-20

Method for the removal or suppression of interfering metal ions using environmentally friendly competitive binders

#86
20130071311
2013-03-21

Air pollution control system and air pollution control method

#87
20130056417
2013-03-07

REMOVAL OF BORON FROM SALINE WATER USING ALKALIZED NF MEMBRANE PRETREATMENT

#88
20120322696
2012-12-20

Proppants for removal of contaminants from fluid streams and methods of using same

#89
20120305489
2012-12-06

Method and apparatus for treating selenium-containing water

#90
20120273431
2012-11-01

ZERO VALENT IRON/IRON OXIDE MINERAL/FERROUS IRON COMPOSITE FOR TREATMENT OF A CONTAMINATE FLUID

#91
20120273418
2012-11-01

BORON RECOVERY TREATMENT METHOD

#92
20120255909
2012-10-11

Reverse osmosis composite membranes for boron removal

#93
20120248040
2012-10-04

Inorganic Ion Exchange Adsorbent for Removing Toxic Trace Elements From Water

#94
20120240761
2012-09-27

Air pollution control system and air pollution control method, spray drying device of dewatering filtration fluid from desulfurization discharged water, and method thereof

#95
20120234764
2012-09-20

Method for treating boron-containing water

#96
20120225957
2012-09-06

Method for recovering a boron adsorbent

#97
20120160753
2012-06-28

WATER DESALINATION PLANT AND SYSTEM FOR THE PRODUCTION OF PURE WATER AND SALT

#98
20120067791
2012-03-22

Seawater desalination apparatus and chemical injection apparatus

#99
20120055875
2012-03-08

METHOD TO TREAT PRODUCED WATERS FROM THERMALLY INDUCED HEAVY CRUDE OIL PRODUCTION (TAR SANDS)

#100
20120037565
2012-02-16

Methods and materials for selective boron adsorption from aqueous solution

#101
20120012527
2012-01-19

Composite membrane with multi-layered active layer

#102
20110268637
2011-11-03

Air pollution control system and air pollution control method

#103
20110259829
2011-10-27

METHOD FOR REMOVING BORON IN WATER TREATMENT

#104
20110226695
2011-09-22

METHOD FOR PRODUCING FRESH WATER

#105
20110220358
2011-09-15

ASSEMBLIES FOR THE PURIFICATION OF A RESERVOIR OR PROCESS FLUID

#106
20110198285
2011-08-18

Zero discharge water desalination plant with minerals extraction integrated with natural gas combined cycle power generation

#107
20110180479
2011-07-28

ZERO LIQUID DISCHARGE WATER TREATMENT SYSTEM AND METHOD

#108
20110174743
2011-07-21

HYBRID COMPOSITES FOR CONTAMINATED FLUID TREATMENT

#109
20110162964
2011-07-07

Systems and methods for water treatment

#110
20110155666
2011-06-30

METHOD AND SYSTEM USING HYBRID FORWARD OSMOSIS-NANOFILTRATION (H-FONF) EMPLOYING POLYVALENT IONS IN A DRAW SOLUTION FOR TREATING PRODUCED WATER

#111
20110108488
2011-05-12

BORON-SELECTIVE RESINS

#112
20110049055
2011-03-03

REVERSE OSMOSIS COMPOSITE MEMBRANES FOR BORON REMOVAL

#113
20100294722
2010-11-25

Boron removal method utilizing sugar amide derivative

#114
20100230350
2010-09-16

Method and apparatus for treating selenium-containing wastewater

#115
20100224564
2010-09-09

METHOD FOR REMOVING ORGANIC CONTAMINANTS FROM RESINS

#116
20100163471
2010-07-01

WATER DESALINATION PLANT AND SYSTEM FOR THE PRODUCTION OF PURE WATER AND SALT

#117
20080237123
2008-10-02

Alkaline regeneration of N-methyl-D-glucamine functional resins

#118
20050109700
2005-05-26

pH adjuster-based system for treating liquids

#119
19210575
2026-03-31

Nanocomposite for wastewater treatment

#120
19082480
2026-01-20

Integrated method and apparatus for treatment of produced water

#121
18674615
2025-04-29

System and method for extracting boron from feed water

#122
18336893
2024-07-02

System and method for extracting boron from feed water

#123
18130572
2023-11-28

Nanocomposites of metal / metal oxides for catalytic degradation of toxic pollutants in water

#124
17083885
2023-09-26

Process for boron removal from water

#125
16790966
2021-11-23

Process for regenerating resin in an ion exchange vessel

#126
16356036
2020-03-31

Process and apparatus for enhancing boron removal from water

#127
15913706
2018-11-13

Thin film nanocomposite nanofiltration membrane

#128
15618204
2019-04-09

Process and apparatus for enhancing boron removal from water

#129
14808787
2018-07-24

System and method for ion exchange regeneration