ClassID:

34426

B01J2220/68 - CPC Classification

Classification description:

Aspects relating to sorbent materials; Aspects relating to the use of sorbent or filter aid materials Superabsorbents

Recent Application in this class:
#1
20260115689
2026-04-30

Super Absorbent Polymer

#2
20260115688
2026-04-30

SUPER ABSORBENT POLYMER

#3
20260070037
2026-03-12

WATER-RESPONSIVE FILM AND METHODS OF PRODUCING THE SAME

#4
20260048169
2026-02-19

Water-Absorbing Material and Uses Thereof

#5
20260027548
2026-01-29

Super Absorbent Polymer

#6
20260022031
2026-01-22

PROCESS FOR PREPARING AND USING POLYMERIC HYDROCELLS FOR PRODUCING ATMOSPHERIC WATER, USING SUPERABSORBENT POLYMERS

#7
20260021470
2026-01-22

Composition of Super Absorbent Polymer and Preparation Method Thereof

#8
20260014547
2026-01-15

SUPERABSORBENT POLYMER, METHOD OF MAKING THE SAME, AND FOODSTUFF PACKAGING MATERIAL INCLUDING THE SAME

#9
20260008028
2026-01-08

Super Absorbent Polymer Composition and Preparation Method Thereof

#10
20250375757
2025-12-11

SUPERABSORBENT POLYMER AND METHOD OF MAKING THE SAME

#11
20250360489
2025-11-27

Super Absorbent Polymer

#12
20250352984
2025-11-20

Super Absorbent Polymer

#13
20250345771
2025-11-13

Composition for Preparing Super Absorbent Polymer and Method for Preparing Super Absorbent Polymer Using the Same

#14
20250339842
2025-11-06

Super Absorbent Polymer

#15
20250339840
2025-11-06

Super Absorbent Polymer

#16
20250325963
2025-10-23

SUPERABSORBENT POLYMER COMPOSITION, MODIFIED SUPERABSORBENT POLYMER COMPOSITION AND METHOD OF MANUFACTURING THE SAME

#17
20250288973
2025-09-18

Biodegradable Super Absorbent Polymer and Preparation Method Thereof

#18
20250288972
2025-09-18

Nanoporous Superabsorbent Particles with Low Non-Solvent Levels

#19
20250262608
2025-08-21

Super Absorbent Polymer

#20
20250262607
2025-08-21

Super Absorbent Polymer

#21
20250235850
2025-07-24

PREPARING FAST SUPERABSORBENTS WITH ENHANCED ELASTIC BEHAVIOR

#22
20250229253
2025-07-17

METHOD FOR PRODUCING WATER-ABSORBING RESIN POWDER

#23
20250223380
2025-07-10

Method for Preparation of Carboxyalkylated Polysaccharide and Method for Preparation of Biodegradable Super Absorbent Polymer Using The Same

#24
20250222431
2025-07-10

SUPERABSORBENT POLYMER AND METHOD OF FABRICATING THE SAME

#25
20250135434
2025-05-01

Method for Preparing Super Absorbent Polymer

#26
20250041828
2025-02-06

PROCESS FOR PRODUCING SUPERABSORBENT PARTICLES

#27
20250010271
2025-01-09

Micronizing Apparatus for Hydrogel of Super Absorbent Polymer

#28
20250010268
2025-01-09

SUPERABSORBENT POLYMER MATERIAL COMPRISING NON-CROSSLINKED POLYACRYLIC ACID POLYMER

#29
20250010267
2025-01-09

SUPERABSORBENT POLYMER AND METHOD OF FORMING THE SAME

#30
20250001395
2025-01-02

Microporous Superabsorbent Material

#31
20240424481
2024-12-26

BIODEGRADABLE STARCH/POLYACRYLATE SUPER WATER ABSORBENTS PREPARED BY GAMMA-IRRADIATION

#32
20240402157
2024-12-05

Chromogenic Absorbent Material for Animal Litter

#33
20240399338
2024-12-05

ECO-FRIENDLY SUPER ABSORBENT CARBOXYMETHYL CELLULOSE POLYMER AND PREPARATION METHOD THEREFOR

#34
20240382931
2024-11-21

Preparation Method of Super Absorbent Polymer

#35
20240351003
2024-10-24

PREPARATION METHOD OF SUPER ABSORBENT POLYMER AND SUPER ABSORBENT POLYMER

#36
20240293796
2024-09-05

CLAY DISPERSION, COMPOSITION FOR PREPARING SUPER ABSORBENT POLYMER COMPRISING THE SAME, AND METHOD FOR PREPARING SUPER ABSORBENT POLYMER USING THE SAME IN ABSORBENT ARTICLES

#37
20240286114
2024-08-29

Biodegradable Super Absorbent Polymer and Preparation Method Thereof

#38
20240278210
2024-08-22

PREPARATION METHOD OF SUPER ABSORBENT POLYMER AND SUPER ABSORBENT POLYMER

#39
20240261761
2024-08-08

Super Absorbent Polymer and Preparation Method Thereof

#40
20240123426
2024-04-18

METHOD FOR PRODUCING WATER ABSORBENT RESIN PARTICLES

#41
20240100506
2024-03-28

PROCESS FOR PRODUCING SUPERABSORBENT PARTICLES

#42
20240075456
2024-03-07

Preparation Method of Super Absorbent Polymer

#43
20240058789
2024-02-22

Preparation Method of Super Absorbent Polymer

#44
20240058788
2024-02-22

Preparation Method of Super Absorbent Polymer

#45
20240042416
2024-02-08

SUPERABSORBENT POLYMER AND METHOD FOR PRODUCING THE SAME

#46
20240026040
2024-01-25

CONTINUOUS POLYMERIZATION REACTOR FOR SUPER ABSORBENT POLYMER AND CONTINUOUS POLYMERIZATION REACTION SYSTEM

#47
20240000636
2024-01-04

ABSORBENT CORES COMPRISING A SUPERABSORBENT POLYMER IMMOBILIZING MATERIAL

#48
20230381744
2023-11-30

PREPARATION METHOD OF SUPERABSORBENT POLYMER

#49
20230372897
2023-11-23

Nanoporous Superabsorbent Particles with Low Non-Solvent Levels

#50
20230364584
2023-11-16

PROCESS FOR PRODUCING SUPERABSORBENT POLYMER PARTICLES

#51
20230363331
2023-11-16

COMPOSITIONS AND METHODS FOR IMPROVING FLOWABILITY OF SUPERABSORBENT POLYMERS

#52
20230356184
2023-11-09

Superabsorbent Polymer and Preparation Method Thereof

#53
20230356183
2023-11-09

Super Absorbent Polymer and Preparation Method Thereof

#54
20230347317
2023-11-02

Method for Preparing Super Absorbent Polymer

#55
20230330629
2023-10-19

Preparation Method for Superabsorbent Polymer

#56
20230272169
2023-08-31

Method of Preparing Superabsorbent Polymer

#57
20230221298
2023-07-13

SUPERABSORBENT POLYMER FOR CLASSIFICATION OF PARTICLES AND CLASSIFICATION METHOD USING THE SAME

#58
20230149899
2023-05-18

POROUS SUPERABSORBENT POLYMER MATERIAL FOR MICROALGAE HARVESTING

#59
20230149898
2023-05-18

PREPARATION METHOD OF SUPER ABSORBENT POLYMER

#60
20230130584
2023-04-27

Superabsorbent polymers based on copolymers of charged monomers and neutral monomers

#61
20230124243
2023-04-20

Method For Preparing Super Absorbent Polymer

#62
20230118840
2023-04-20

Superabsorbent Polymer and Method for Preparing the Same

#63
20230118553
2023-04-20

SUPERABSORBENT POLYMERS BASED ON COPOLYMERS OF CHARGED MONOMERS AND NEUTRAL MONOMERS

#64
20230111749
2023-04-13

SUPER ABSORBENT POLYMER AND PREPARATION METHOD THEREOF

#65
20230108608
2023-04-06

METHOD FOR OBTAINING SUPERABSORBENT POLYMERS VIA ALKALINE HYDROLYSIS WITH PRESSURIZED WATER VAPOUR, USING POLYACRYLONITRILE AND ACRYLIC FIBRES AND FABRICS

#66
20230102961
2023-03-30

WATER-ABSORBING RESIN AND MANUFACTURING METHOD FOR SAME

#67
20230071674
2023-03-09

Preparation Method for Super Absorbent Polymer Film

#68
20230009614
2023-01-12

HYGROSCOPIC HYDROGELS, METHODS AND USES THEREOF FOR WATER COLLECTION

#69
20220380490
2022-12-01

Method for concentrating rubber emulsion and product thereof

#70
20220379521
2022-12-01

MINUTE CUTTING APPARATUS FOR SUPER ABSORBENT POLYMER HYDROGEL USING PUMP

#71
20220362072
2022-11-17

PROCESS FOR FORMING COMPOSITE ABSORBENT MATERIAL AND COMPOSITE ABSORBENT MATERIAL MADE BY THE PROCESS

#72
20220347651
2022-11-03

LIME-BASED SORBENT FOR USE IN A FLUE GAS TREATMENT INSTALLATION AND PROCESS OF MANUFACTURING SAID LIME-BASED SORBENT

#73
20220314194
2022-10-06

PARTICULATE WATER-ABSORBENT RESIN COMPOSITION

#74
20220275239
2022-09-01

Superabsorbent-Based Suspension Suitable For Hydrostimulatory Coating Of Seeds And A Method Of Coating Seeds With The Suspension

#75
20220274092
2022-09-01

Super absorbent polymer composition and preparation method for the same

#76
20220267674
2022-08-25

Super absorbing resin composite with base material for improving soil water retention

#77
20220250033
2022-08-11

ECO-FRIENDLY WATER RETENTION NATURAL POLYMER AND METHOD THEREOF

#78
20220235152
2022-07-28

Method for the production of superabsorbers

#79
20220219140
2022-07-14

WATER-ABSORBENT RESIN PARTICLES

#80
20220212166
2022-07-07

Preparation method of super absorbent polymer composition

#81
20220193634
2022-06-23

PREPARATION METHOD OF SUPER ABSORBENT POLYMER COMPOSITION

#82
20220192899
2022-06-23

ABSORBENT ARTICLE

#83
20220185924
2022-06-16

Process for producing superabsorbent polymer particles

#84
20220143578
2022-05-12

Super Absorbent Polymer Composition

#85
20220143577
2022-05-12

Superabsorbent polymer material comprising non-crosslinked polyacrylic acid polymer

#86
20220126269
2022-04-28

Method for manufacturing carboxymethyl cellulose particles, carboxymethyl cellulose particles manufactured thereby, and absorbent article comprising same

#87
20220111351
2022-04-14

Method for preparing superabsorbent polymer

#88
20220104975
2022-04-07

Absorbent Composite, an Absorbent Article Employing the Same, and Methods, Systems, and Apparatus for Making the Absorbent Composite and/or Article

#89
20220098373
2022-03-31

Superabsorbent polymer and preparation method for the same

#90
20220097022
2022-03-31

Process for preparation of superabsorbent polymer

#91
20220089789
2022-03-24

Method for producing superabsorbent particles

#92
20220072511
2022-03-10

Method for recycling superabsorbent polymer derived from used absorbent article and recycled superabsorbent polymer derived from used absorbent article

#93
20220062856
2022-03-03

Method for preparing natural organic macromolecular water treatment agent

#94
20220040671
2022-02-10

Method for producing superabsorbent polymer

#95
20220032269
2022-02-03

Method of absorbing precipitation

#96
20220016596
2022-01-20

Process for producing superabsorbents

#97
20220003679
2022-01-06

Prediction of physical properties of superabsorbent polymers

#98
20210402373
2021-12-30

Process for Producing Superabsorbents

#99
20210387162
2021-12-16

Superabsorbent Polymer Composition and Method for Preparing the Same

#100
20210379563
2021-12-09

Preparation method of super absorbent polymer

#101
20210379562
2021-12-09

RECOVERING SUPERABSORBENT POLYMERS

#102
20210362126
2021-11-25

Superabsorber mixtures

#103
20210340301
2021-11-04

Method for preparing super absorbent polymer

#104
20210338882
2021-11-04

Method for the production of superabsorbents

#105
20210317237
2021-10-14

Method for preparing super absorbent polymer

#106
20210316274
2021-10-14

ALL-CELLULOSE SUPER ABSORBENT HYDROGELS AND METHOD OF PRODUCING SAME

#107
20210301040
2021-09-30

Method for the production of superabsorbers

#108
20210290706
2021-09-23

Superabsorbent materials and methods of making the same

#109
20210268475
2021-09-02

Super absorbent polymer and method for preparing same

#110
20210268139
2021-09-02

Super absorbent resin and preparation method thereof

#111
20210252476
2021-08-19

Biobased Super-Absorbing Polymers

#112
20210252184
2021-08-19

WATER-ABSORBING MATERIAL AND USES THEREOF

#113
20210244781
2021-08-12

Superabsorbent materials and methods of making the same

#114
20210230316
2021-07-29

Preparation method of super absorbent polymer

#115
20210187479
2021-06-24

Superabsorbent complexed with aluminum ions

#116
20210147640
2021-05-20

Superabsorbent polymer and preparation method thereof

#117
20210146336
2021-05-20

Method for preparing super absorbent polymer

#118
20210140950
2021-05-13

Chromogenic absorbent material for animal litter

#119
20210094017
2021-04-01

Method of preparing superabsorbent polymer

#120
20210053028
2021-02-25

Recycling of superabsorbent polymer via UV irradiation in flow system

#121
20210023529
2021-01-28

Method of preparing superabsorbent polymer

#122
20200406228
2020-12-31

Method for preparing super absorbent polymer

#123
20200398251
2020-12-24

Method of preparing superabsorbent polymer and superabsorbent polymer

#124
20200369595
2020-11-26

Crosslinking agent compound and superabsorbent polymer prepared by using the same

#125
20200316549
2020-10-08

Apparatus for producing water-absorbing resin particles

#126
20200270441
2020-08-27

Superabsorbent polymer composition

#127
20200197909
2020-06-25

Method for preparing superabsorbent polymer and superabsorbent polymer prepared thereby

#128
20200188880
2020-06-18

Process and apparatus for manufacturing water-absorbing material and use in cat litter

#129
20200188876
2020-06-18

Super absorbent polymer and method for preparing same

#130
20200164343
2020-05-28

Adsorbent polymeric structures for separating polar liquids from non-polar hydrocarbons

#131
20200147652
2020-05-14

Classification process for superabsorbent polymer particles

#132
20200139344
2020-05-07

Super absorbent polymer and its preparation method

#133
20200123281
2020-04-23

Super absorbent polymer and method for preparing same

#134
20200122117
2020-04-23

Superabsorbent polymer composition

#135
20200102498
2020-04-02

Method for improving water retention in a soil

#136
20200047157
2020-02-13

Super absorbent resin having improved solidification resistance, and method for preparing same

#137
20200031503
2020-01-30

Method for filling particulate water absorbing agent and method for sampling filled particulate water absorbing agent

#138
20200030162
2020-01-30

Absorbent cores comprising a superabsorbent polymer immobilizing material

#139
20190390019
2019-12-26

Method for Production of Natural Super-Absorbent Materials

#140
20190359358
2019-11-28

METHOD FOR FILLING PARTICULATE WATER ABSORBING AGENT AND METHOD FOR SAMPLING FILLED PARTICULATE WATER ABSORBING AGENT

#141
20190315930
2019-10-17

Method for preparing superabsorbent polymer and superabsorbent polymer prepared thereby

#142
20190276608
2019-09-12

Method for the production of superabsorbers

#143
20190275497
2019-09-12

Desiccant and deodorizing device

#144
20190275192
2019-09-12

Water absorbent resin powder

#145
20190255514
2019-08-22

METHOD FOR DISCHARGING SUPERABSORBENT PARTICLES FROM A SILO AND FILLING THEM INTO BULK CONTAINERS

#146
20190226763
2019-07-25

Belt dryer arrangement for drying an aqueous polymer gel and for comminuting the dried polymer gel to form dried polymer particles, and method for drying an aqueous polymer gel and for comminuting the dried polymer gel to form dried polymer particles

#147
20190201868
2019-07-04

Method for producing water-absorbing agent

#148
20190194366
2019-06-27

Super absorbent polymer and method for preparing same

#149
20190167836
2019-06-06

Super Absorbent Polymer

#150
20190167493
2019-06-06

Absorbent composite, an absorbent article employing the same, and methods, systems, and apparatus for making the absorbent composite and/or article

#151
20190134603
2019-05-09

Method of preparing superabsorbent polymer

#152
20190125921
2019-05-02

Water-absorbing agent and method for producing same, and absorbent article produced using water-absorbing agent

#153
20190119452
2019-04-25

Porous super absorbent polymer and preparation method thereof

#154
20190117823
2019-04-25

Water-absorbing material and uses thereof

#155
20190105628
2019-04-11

Apparatus for producing water-absorbing resin particles

#156
20190100629
2019-04-04

Super absorbent polymer and method for producing same

#157
20190094211
2019-03-28

Chromogenic absorbent material for animal litter

#158
20190091660
2019-03-28

Particulate water absorbing agent and water absorbent article

#159
20190085104
2019-03-21

Preparation method of porous super absorbent polymer

#160
20190085103
2019-03-21

Preparation method of super absorbent polymer

#161
20190077927
2019-03-14

Method for preparing superabsorbent polymer, and superabsorbent polymer

#162
20190077924
2019-03-14

Super absorbent polymer and method for producing same

#163
20190071523
2019-03-07

Super absorbent polymer

#164
20190070586
2019-03-07

Method for preparing super absorbent resin

#165
20190040173
2019-02-07

Super absorbent polymer and preparation method thereof

#166
20190001302
2019-01-03

Method for producing water absorbent resin

#167
20180318792
2018-11-08

Absorbent resin composition and method for producing same

#168
20180304233
2018-10-25

Method of making surface-coated water-absorbing polymer particles in a microfluidic device

#169
20180282515
2018-10-04

Superabsorbent polymer and the method of fabricating the same

#170
20180282507
2018-10-04

Superabsorbent polymer and the method of fabricating the same

#171
20180265653
2018-09-20

Preparation method of superabsorbent polymer and superabsorbent polymer prepared thereby

#172
20180244857
2018-08-30

Method for preparing super absorbent polymer

#173
20180229218
2018-08-16

Process and apparatus for manufacturing water-absorbing material and use in cat litter

#174
20180161474
2018-06-14

Absorbent articles comprising glyceride copolymers

#175
20180147557
2018-05-31

Method for preparing superabsorbent polymer and superabsorbent polymer prepared thereby

#176
20180094131
2018-04-05

Particulate water-absorbing agent

#177
20180056274
2018-03-01

Super absorbent resin

#178
20180050321
2018-02-22

Super absorbent polymer and method for preparing the same

#179
20170354952
2017-12-14

Preparation method of super absorbent polymer

#180
20170198105
2017-07-13

Method for preparing super absorbent polymer and super absorbent polymer prepared thereby

#181
20170189575
2017-07-06

SUPER ABSORBENT POLYMER

#182
20170158826
2017-06-08

Absorbent resin and method for producing the same

#183
20170074864
2017-03-16

Chromogenic absorbent material for animal litter

#184
20170036191
2017-02-09

Super absorbent resin having improved solidification resistance, and method for preparing same

#185
20170021334
2017-01-26

Super absorbent polymer and preparation method thereof

#186
20170015798
2017-01-19

Preparation method of superabsorbent polymer and superabsorbent polymer prepared thereby

#187
20170014801
2017-01-19

Poly(meth)acrylic acid (salt)-based particulate absorbent

#188
20160375171
2016-12-29

Polyacrylic acid (salt) water absorbent, and method for producing same

#189
20160361704
2016-12-15

Super absorbent polymer and a preparation method thereof

#190
20160361703
2016-12-15

Superabsorbent polymer and preparation method thereof

#191
20160236803
2016-08-18

Method for filling particulate water absorbing agent and method for sampling filled particulate water absorbing agent

#192
20160199529
2016-07-14

Gel pulverization device, method for manufacturing polyacrylic acid (polyacrylate) superabsorbent polymer powder, and superabsorbent polymer powder

#193
20160060418
2016-03-03

Particulate superabsorbent polymer composition having improved stability and fast absorption

#194
20160053037
2016-02-25

Super absorbent polymer and preparation method thereof

#195
20160024332
2016-01-28

Anti-stick processing aids and use thereof in the production of water-absorbing particles

#196
20160024291
2016-01-28

Flocculant composition for dewatering solids laden slurries

#197
20150360203
2015-12-17

Manufacturing method of water absorbing material

#198
20150360200
2015-12-17

Water absorbing material and manufacturing method thereof

#199
20150315321
2015-11-05

Superabsorbent polymer

#200
20150273433
2015-10-01

Water absorbing agent and method for producing the same

#201
20150258527
2015-09-17

Odor and color stable water-absorbing composition

#202
20150258237
2015-09-17

Dust reducer consisting of multi-component metal compound, water absorbing agent containing multi-component metal compound, and method for producing the same

#203
20150217270
2015-08-06

Particulate water absorbing agent and method for manufacturing same

#204
20150217269
2015-08-06

Dispersions of superabsorbent polymers, processing thereof and articles formed from the dispersions

#205
20150099624
2015-04-09

Super absorbent polymer

#206
20150093575
2015-04-02

Superabsorbent polymer with crosslinker

#207
20150087742
2015-03-26

Super absorbent polymer and a preparation method thereof

#208
20150045756
2015-02-12

Absorbent composite, an absorbent article employing the same, and methods, systems, and apparatus for making the absorbent composite and/or article

#209
20150045461
2015-02-12

Method for reclaiming used superabsorbent polymer

#210
20140316040
2014-10-23

Particulate superabsorbent polymer composition having improved performance properties

#211
20140309392
2014-10-16

Graft dendrite copolymers, and methods for producing the same

#212
20140306156
2014-10-16

Particulate superabsorbent polymer composition having improved stability

#213
20140306155
2014-10-16

Particulate superabsorbent polymer composition having improved stability

#214
20140294515
2014-10-02

Highly swellable polymers

#215
20140217032
2014-08-07

Sintered porous plastic liquid barrier media and applications thereof

#216
20140157620
2014-06-12

Composites for water remediation

#217
20140066584
2014-03-06

Process for producing water-absorbing polymer particles

#218
20140066300
2014-03-06

Oil absorbing material and processes of recycling absorbent articles to produce the same

#219
20140054497
2014-02-27

Water-absorbing polymer having a high absorption rate

#220
20140051813
2014-02-20

Preparation method of superabsorbent polymer

#221
20140042364
2014-02-13

Method for producing polyacrylic acid (salt)-based water absorbent resin powder

#222
20140008569
2014-01-09

System and method for superabsorbent material

#223
20140005030
2014-01-02

Absorbent polymer composition with hazard indicator

#224
20130338325
2013-12-19

Process for producing water-absorbing polymer particles in a polymerization reactor with at least two axially parallel rotating shafts

#225
20130337175
2013-12-19

Composition comprising superabsorbent polymer

#226
20130196165
2013-08-01

Hydraulic barrier composition and method of making the same

#227
20130017945
2013-01-17

Process for producing water-absorbing polymer particles with high free swell rate

#228
20130005926
2013-01-03

Process for producing water-absorbing resin

#229
20130005919
2013-01-03

Process for producing water-absorbing resin

#230
20130005904
2013-01-03

Process for producing water-absorbing resin

#231
20120318139
2012-12-20

Sintered porous plastic liquid barrier media and applications thereof

#232
20120305842
2012-12-06

Water absorbing agent, water absorbent core using the agent, and manufacturing method for water absorbing agent

#233
20120298915
2012-11-29

Process for producing water-absorbing resin powder

#234
20120296057
2012-11-22

Method for producing water absorbent resin

#235
20120289671
2012-11-15

Method for producing water absorbent resin

#236
20120267570
2012-10-25

Particulate superabsorbent polymer composition having improved performance properties

#237
20120258853
2012-10-11

POROUS PARTICLES WITH MASKING POWDER AND METHODS OF MAKING AND USING THE SAME

#238
20120231162
2012-09-13

Process for producing water-absorbing polymer particles with improved permeability

#239
20120211699
2012-08-23

Process for producing water-absorbing polymer particles with high free swell rate

#240
20120165187
2012-06-28

Oil absorbing material and processes of recycling absorbent articles to produce the same

#241
20120157745
2012-06-21

Concrete wash water solidification products and methods

#242
20120118832
2012-05-17

Ionic polymers, method of manufacture, and uses thereof

#243
20120115718
2012-05-10

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