ClassID:

32599

B01J20/28038 - CPC Classification

Classification description:

Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form; Membrane, sheet, cloth, pad, lamellar or mat Membranes or mats made from fibers or filaments

Recent Application in this class:
#1
20260131305
2026-05-14

MANUFACTURE OF BASALT FIBER SORBENT BOOM

#2
20250381527
2025-12-18

Fiber membrane prepared based on in-situ growth and application thereof in toluene adsorption

#3
20250345775
2025-11-13

COMPOSITE ABSORBENT TAPE

#4
20250296045
2025-09-25

Adsorption Textile for Adsorbing Carbon Dioxide, System, and Use of a System Of This Type

#5
20250186973
2025-06-12

FILTER MATERIAL AND MANUFACTURING METHOD THEREOF

#6
20250178908
2025-06-05

A Process for Manufacturing Funtionalized Activated Nanoporous Carbon and Use Thereof

#7
20250121356
2025-04-17

Biodegradable Absorbent Materials and Articles of Manufacture Formed Therefrom

#8
20250121237
2025-04-17

Removing Toxic Chemicals from Contaminated Surfaces

#9
20250019877
2025-01-16

CARBON MONOLITHS AND METHODS OF MANUFACTURING CARBON MONOLITHS

#10
20250001398
2025-01-02

PROCESS FOR THE RAPID DEVELOPMENT OF HIGH CONTENT METAL-ORGANIC FRAMEWORK HOLLOW FIBERS FOR GAS SEPARATION AND TOXIC CHEMICAL REMOVAL

#11
20240408574
2024-12-12

ADSORPTION OF CARBON DIOXIDE BY SWING ADSORPTION METHODS

#12
20240342642
2024-10-17

CARBON DIOXIDE SORBENT ARTICLE ASSEMBLIES WITH COMPONENTS TO MAINTAIN GAPS BETWEEN SEPARATE SHEETS OF SORBENT ARTICLE

#13
20240336496
2024-10-10

SORBENTS AND METHODS FOR THE CAPTURE AND DEFLUORINATION OF PER AND POLY FLUOROALKYL SUBSTANCES (PFAS)

#14
20240316505
2024-09-26

APPARATUSES, METHODS, AND SYSTEMS FOR FABRICATING GRAPHENE MEMBRANES

#15
20240293798
2024-09-05

MONOMER COMPOSITION FOR PREPARING SUPERABSORBENT POLYMER COMPRISED IN AN ABSORBENT ARTICLE

#16
20240190913
2024-06-13

SEPARATION MEDIA AND PURIFICATION METHODS FOR CARBOHYDRATE CONTAINING MOLECULES USING THE SAME

#17
20240181429
2024-06-06

MODIFIED POLYAMINES GRAFTED TO A PARTICULATE, SOLID SUPPORT AS SORBENT MATERIALS FOR REMOVAL OF TARGET SUBSTANCES FROM FLUIDS

#18
20240173693
2024-05-30

FIBER, FIBER SHEET, METHOD FOR PRODUCING FIBER, AND ACIDIC GAS ADSORPTION DEVICE

#19
20240173692
2024-05-30

POROUS ADSORBENT MATERIAL, SEPARATION COLUMN USING SAME FOR PURIFYING BIOPHARMACEUTICAL, AND METHOD OF MANUFACTURING BIOPHARMACEUTICAL

#20
20240116780
2024-04-11

DYE RECOVERY PRODUCTS AND PROCESSES

#21
20240109052
2024-04-04

ABSORBENT AND METHOD OF MAKING AND USE OF THE SAME

#22
20240076650
2024-03-07

PURIFICATION OF POLY A-TAGGED PRODUCTS

#23
20240050885
2024-02-15

STRUCTURES AND METHODS FOR ENHANCING CAPTURE OF CARBON DIOXIDE FROM AMBIENT AIR

#24
20240042416
2024-02-08

SUPERABSORBENT POLYMER AND METHOD FOR PRODUCING THE SAME

#25
20240024851
2024-01-25

STRUCTURE, METHOD FOR PRODUCING SAME, ADSORBENT IN WHICH SAME IS USED, AND METHOD FOR PURIFYING BIOPARTICLES

#26
20240001333
2024-01-04

COMPOSITE MATERIALS CONTAINING CARBONATE-INFUSED ACTIVATED CARBON

#27
20240001017
2024-01-04

DEVICE FOR BINDING AND SEPARATION OF AT LEAST ONE COMPONENT FROM A BODY FLUID

#28
20230405551
2023-12-21

PROCESS FOR PREPARATION OF CHROMATOGRAPHY MEMBRANES

#29
20230391850
2023-12-07

Separation Matrix

#30
20230383013
2023-11-30

POROUS POLYMERIC CELLULOSE PREPARED VIA CELLULOSE CROSSLINKING

#31
20230372894
2023-11-23

DISPOSABLE ABSORBENT ARTICLE WITH ODOR REDUCING AGENTS

#32
20230356109
2023-11-09

AFFINITY CHROMATOGRAPHY DEVICES CONTAINING A FIBRILLATED POLYMER MEMBRANE AND MANIFOLDS CONTAINING THE SAME

#33
20230285910
2023-09-14

CELLULOSE MEMBRANE AND METHOD OF MANUFACTURING SAME

#34
20230285883
2023-09-14

Soy based filtration system

#35
20230285876
2023-09-14

OIL AND FUEL COLLECTOR

#36
20230278008
2023-09-07

FILTER MEDIUM FOR AIR FILTERS AND METHOD FOR PRODUCING SAME

#37
20230271159
2023-08-31

PREPARATION OF ADSORBENT FILTERS PRE-LABELLED WITH STANDARDS FOR THE EVALUATION OF SAMPLING OF POLLUTANTS IN LIQUID AND AERIFORM MATRICES

#38
20230249156
2023-08-10

ELECTROSPUN FIBROUS MEMBRANES AND USES THEREOF

#39
20230241581
2023-08-03

LITHIUM ION ADSORBENTS

#40
20230219062
2023-07-13

Mesoporous poly (aryl ether ketone) hollow fiber membranes and use thereof in mass transfer processes

#41
20230211276
2023-07-06

METHOD FOR CAPTURE OF CARBON DIOXIDE FROM AMBIENT AIR AND CORRESPONDING ADSORBER STRUCTURES WITH A PLURALITY OF PARALLEL SURFACES

#42
20230202736
2023-06-29

FOOD CONTAINER FOR PRESERVING FRESHNESS OF FOOD ITEMS

#43
20230192585
2023-06-22

METHOD FOR PREPARING ACRYLIC ACID FROM BETA-PROPIOLACTONE

#44
20230191368
2023-06-22

Separation Matrix and Method of Separation

#45
20230182111
2023-06-15

HUMIDITY CONTROLLING MATERIAL

#46
20230149894
2023-05-18

SORBENT MATERIAL FOR REMOVING CONTAMINANTS FROM WATER

#47
20230149832
2023-05-18

SURFACE FUNCTIONALIZED AFFINITY MEMBRANES

#48
20230120229
2023-04-20

DEPTH FILTERS AND RELATED METHODS

#49
20230089861
2023-03-23

Elastomeric Laminate

#50
20230087539
2023-03-23

Elastic Bicomponent Fiber Having Unique Handfeel

#51
20230086059
2023-03-23

CARBON NANOTUBE SHEET FOR AIR OR WATER PURIFICATION

#52
20230085459
2023-03-16

ANTIMICROBIAL FILTER MEDIA, PREPARATION METHOD THEREOF, AND AIR CLEANER COMPRISING SAME

#53
20230060660
2023-03-02

Mesoporous Poly (Aryl Ether Ketone) Hollow Fiber Membranes And Use Thereof In Mass Transfer Processes

#54
20230039137
2023-02-09

FILM AND WATER STOPPING TAPE

#55
20230001381
2023-01-05

Sorbent Materials and Water Harvesting Devices Including the Same

#56
20230001378
2023-01-05

Contaminate sequestering coatings and methods of using the same

#57
20220410123
2022-12-29

AIR FILTER MEDIA

#58
20220387964
2022-12-08

NaA ZEOLITE MEMBRANE FOR RECOVERY OF AMMONIA

#59
20220297031
2022-09-22

A CHROMATOGRAPHY DEVICE

#60
20220258131
2022-08-18

Gas separation membranes from polymer-grafted nanoparticles

#61
20220212148
2022-07-07

Apparatuses, methods, and systems for fabricating graphene membranes

#62
20220203330
2022-06-30

FIBRILLATED BICOMPONENT FIBERS AND METHODS OF MAKING AND USES THEREOF

#63
20220168686
2022-06-02

MEMBRANE CAPTURE OF CO2 FROM REFINERY EMISSIONS

#64
20220168667
2022-06-02

A Chromatography System

#65
20220152524
2022-05-19

UNIVERSAL BLOOD PRODUCT AND METHODS OF PREPARING AND USING SAME

#66
20220126268
2022-04-28

Water stable copper paddlewheel metal organic framework (MOF) compositions and processes using the MOFs

#67
20220120649
2022-04-21

LIGAND-FUNCTIONALIZED SUBSTRATES WITH ENHANCED BINDING CAPACITY

#68
20220111615
2022-04-14

Protective fabric and protective product

#69
20220074145
2022-03-10

Method for Making Air Purifying Paper Goods

#70
20220032232
2022-02-03

Filter medium for separating nitrogen oxides

#71
20220009798
2022-01-13

Fluoride removal process

#72
20210402374
2021-12-30

METHOD FOR THE TREATMENT OF A POROUS SUBSTRATE

#73
20210402372
2021-12-30

WASHABLE FLUID ABSORBING COMPOSITE MATERIAL

#74
20210346866
2021-11-11

Functionalised chromatography medium comprising polymer nanofibres and process of preparation thereof

#75
20210322952
2021-10-21

Eco-friendly sorbent material for removing oil

#76
20210252462
2021-08-19

Compositions for use in the simultaneous removal of endotoxins and uremic solutes during the treatment of patients

#77
20210245137
2021-08-12

CORE-SHELL IRON OXIDE-POLYMER NANOFIBER COMPOSITES FOR REMOVAL OF HEAVY METALS FROM DRINKING WATER

#78
20210187477
2021-06-24

LIQUID POLYMER SOLUTION FOR TREATING NONWOVEN WEBS

#79
20210187429
2021-06-24

Filter bags comprising a porous membrane

#80
20210171665
2021-06-10

Porous polymeric cellulose prepared via cellulose crosslinking

#81
20210162370
2021-06-03

Chromatography medium

#82
20210148024
2021-05-20

Novel ion exchange materials

#83
20210129087
2021-05-06

Anti-haze anti-harmful gas air filter membrane as well as preparation method and application thereof

#84
20210106711
2021-04-15

IRON OXIDE NANOWIRES BASED FILTER FOR THE INACTIVATION OF PATHOGENS

#85
20210046447
2021-02-18

Water stable copper paddlewheel metal organic framework (MOF) compositions and processes using the MOFs

#86
20210046446
2021-02-18

Water stable copper paddlewheel metal organic framework (MOF) compositions and processes using the MOFs

#87
20210008522
2021-01-14

Modified polyamines grafted to a particulate, solid support as sorbent materials for removal of target substances from fluids

#88
20200398249
2020-12-24

Contaminate sequestering coatings and methods of using the same

#89
20200398186
2020-12-24

Filtration process and assembly

#90
20200392179
2020-12-17

Chromatography medium

#91
20200391514
2020-12-17

Liquid absorbent body, liquid absorber, and liquid treatment apparatus

#92
20200391181
2020-12-17

LIQUID ABSORBENT BODY

#93
20200368723
2020-11-26

NANOFIBER AGGREGATE FOR FAT ADSORPTION, METHOD FOR ESTIMATING FAT ADSORPTION RATE OF NANOFIBER AGGREGATE FOR FAT ADSORPTION, AND METHOD FOR ESTIMATING VOLUME OF NANOFIBER AGGREGATE FOR FAT ADSORPTION FOLLOWING FAT ADSORPTION

#94
20200269181
2020-08-27

Filter bags comprising a porous membrane

#95
20200269180
2020-08-27

FILTER BAGS COMPRISING A POROUS MEMBRANE

#96
20200254422
2020-08-13

Compositions and Methods for Removing Heavy Metals from Contaminated Materials

#97
20200209123
2020-07-02

Ligand-functionalized substrates with enhanced binding capacity

#98
20200188877
2020-06-18

Absorbent and method of making and use of the same

#99
20200139346
2020-05-07

Substrates having repeating patterns of apertures for absorbent articles

#100
20200123332
2020-04-23

Carbon fiber composite, a medium incorporating the carbon fiber composite, and a related method

#101
20200108351
2020-04-09

MULTI-LAYERED MEMBRANE FOR OIL/WATER SEPARATION

#102
20200086255
2020-03-19

Soy based filtration system

#103
20200055657
2020-02-20

ABSORBENT TRAY WITH COATING

#104
20190308169
2019-10-10

Functionalised chromatography medium comprising polymer nanofibres and process of preparation thereof

#105
20190285523
2019-09-19

Ligand-functionalized substrates with enhanced binding capacity

#106
20190276491
2019-09-12

Chromatography medium

#107
20190269076
2019-09-05

Method of growing vegetation on mineral wool product

#108
20190255513
2019-08-22

Process for recovering viral products using functionalised chromatography media

#109
20190217274
2019-07-18

Recovery of crude oil from a crude oil adsorbent and simultaneous regeneration of the adsorbent

#110
20190184371
2019-06-20

Material for blood purification

#111
20190162638
2019-05-30

Passive sampler and methods of making

#112
20190062458
2019-02-28

Porous polymeric cellulose prepared via cellulose crosslinking

#113
20190060838
2019-02-28

POROUS MOLDED BODY

#114
20190037783
2019-02-07

Method of conserving irrigation water using a woven fabric substrate

#115
20190002308
2019-01-03

Use and regeneration of an adsorbent to remove dyes from water

#116
20190000676
2019-01-03

ABSORBENT SHEET

#117
20180370819
2018-12-27

Selective adsorbent fabric for water purification

#118
20180369783
2018-12-27

Hemocompatible adsorber for the dialysis of protein-bound uremic toxins

#119
20180320318
2018-11-08

Paper tissue with high bulk and low lint

#120
20180311599
2018-11-01

Stabilized protein fiber air filter materials and methods

#121
20180305225
2018-10-25

Forming and using an adsorbent to remove cationic dyes from water

#122
20180265860
2018-09-20

Method and apparatus for isolating nucleic acids

#123
20180257060
2018-09-13

Anticancer agent adsorbing sheet body

#124
20180229216
2018-08-16

ABSORBENT ARTICLES WITH SUBSTRATES HAVING REPEATING PATTERNS OF APERTURES COMPRISING A PLURALITY OF REPEAT UNITS

#125
20180228095
2018-08-16

Mineral wool product

#126
20180217035
2018-08-02

Ligand-functionalized substrates with enhanced binding capacity

#127
20180215882
2018-08-02

Swellable and insoluble nanofibers and use thereof in the treatment of essentially aqueous effluents

#128
20180214813
2018-08-02

Protein nanofiber air filter materials and methods

#129
20180094022
2018-04-05

Chromatography medium

#130
20180071423
2018-03-15

Deodorant composition, deodorant fabric, and fiber product

#131
20180065062
2018-03-08

Universal blood product and methods of preparing and using same

#132
20180057646
2018-03-01

Carbon fiber composite, a medium incorporating the carbon fiber composite, and a related method

#133
20170334741
2017-11-23

Selective adsorbent fabric for water purification

#134
20170282114
2017-10-05

Adsorbent-incorporated polymer fibers in packed bed and fabric contactors, and methods and devices using same

#135
20170252720
2017-09-07

MODIFICATION OF ZEOLITIC IMIDAZOLATE FRAMEWORKS AND AZIDE CROSS-LINKED MIXED-MATRIX MEMBRANES MADE THEREFROM

#136
20170233265
2017-08-17

Method for removing cationic dyes from an aqueous solution using an adsorbent

#137
20170232386
2017-08-17

Device and method for treating a gas laden with pollutants

#138
20170203280
2017-07-20

ADSORBENT PARTICLE PROCESS MANAGEMENT

#139
20170203276
2017-07-20

Vinylidene chloride copolymer-based carbon molecular sieve adsorbent compositions and processes therefor

#140
20170157571
2017-06-08

Electrospun cactus mucilage nanofibers

#141
20170157544
2017-06-08

Hybrid felts of electrospun nanofibers

#142
20170073491
2017-03-16

Polymeric aerogel fibers and fiber webs

#143
20170036166
2017-02-09

Methods relating to isotopic water filtration

#144
20170021333
2017-01-26

Substrates and methods for collection, stabilization and elution of biomolecules

#145
20170000050
2017-01-05

Mineral wool product

#146
20160340669
2016-11-24

Method and apparatus for isolating nucleic acids

#147
20160310907
2016-10-27

Multilayer separation membrane

#148
20160288089
2016-10-06

Chromatography medium

#149
20160279601
2016-09-29

Filter material for the selective removal of siloxanes

#150
20160271585
2016-09-22

Oil absorbent pad

#151
20160263554
2016-09-15

Nanofibrous materials for heavy metal adsorption

#152
20160231208
2016-08-11

Ligand functionalized substrates with enhanced binding capacity

#153
20160200602
2016-07-14

Porous oil binder and method for the production thereof

#154
20160166972
2016-06-16

Adsorbent-incorporated polymer fibers in packed bed and fabric contactors, and methods and devices using same

#155
20160158796
2016-06-09

Method for continuously manufacturing moisture film

#156
20160114311
2016-04-28

Sorbent material and a method for enhancing sorption performance thereof

#157
20160101408
2016-04-14

Process for producing a regenerable oxide-based adsorbent

#158
20150360250
2015-12-17

Apparatus and method for continuously manufacturing moisture film

#159
20150360173
2015-12-17

Sulfur scavenging materials for filters and coatings

#160
20150360158
2015-12-17

Hybrid felts of electrospun nanofibers

#161
20150343352
2015-12-03

Sulfur scavenging materials for filters and coatings

#162
20150329563
2015-11-19

Gas separation material using metal complex and gas separation method

#163
20150299693
2015-10-22

Method and apparatus for isolating nucleic acids

#164
20150258501
2015-09-17

Composite nanofiber membrane for adsorbing lithium, method of manufacturing the same and apparatus and method for recovering lithium using the same

#165
20150238929
2015-08-27

Graphene and carbon nanotube compositions

#166
20150238650
2015-08-27

Absorbent materials, products including absorbent materials, compositions, and methods of making absorbent materials

#167
20150233030
2015-08-20

MELTBLOWN NONWOVEN FABRIC AND USES THEREOF

#168
20150190783
2015-07-09

Polymers grafted with organic phosphorous compounds for extracting uranium from solutions

#169
20150144563
2015-05-28

Articles Comprising Soil Absorbing Polymers and Processes for Making Same

#170
20150144085
2015-05-28

Metal complex, and adsorbent material, storage material and separation material comprising metal complex

#171
20150035194
2015-02-05

Preparation methods of filter element for swift and highly efficient adsorption of CS

#172
20150011387
2015-01-08

Sponge-like polymeric adsorption material

#173
20150004360
2015-01-01

Multilayered woven manufacture and use of the multilayer woven manufacture as carriers for dried matrix spot applications

#174
20140364307
2014-12-11

Metal adsorption acrylic fiber, non-woven fabric, sheet-like product, and uses thereof as metal adsorbent

#175
20140311507
2014-10-23

Porous catalytic matrices for elimination of toxicants found in tobacco combustion products

#176
20140306154
2014-10-16

Freezer/Fridge Mats

#177
20140296464
2014-10-02

Chromatography medium

#178
20140295162
2014-10-02

Metal Collecting Material

#179
20140224724
2014-08-14

Filter device and analysis device using same

#180
20140158642
2014-06-12

Method of manufacturing filter aid

#181
20140130410
2014-05-15

Mineral wool product

#182
20140127106
2014-05-08

Regenerable oxide-based adsorbent

#183
20140124427
2014-05-08

Floatable oil absorber, its uses, and its method of manufacture

#184
20140093698
2014-04-03

HYDROPHILIC INDUSTRIAL ABSORBENT WITH DUAL-LAYER, SLIP-RESISTANT SCRIM

#185
20130330990
2013-12-12

Method for producing functional material, functional material, sheet-like structure and sanitary product

#186
20130309927
2013-11-21

Composite porous dehumidifying material for an HVAC

#187
20130220912
2013-08-29

Carrier for blood component adsorption and blood component adsorption column

#188
20130112625
2013-05-09

CONSOLIDATED NANOFIBER NONWOVENS AND CONSOLIDATED NANOFIBER NONWOVEN COMPOSITES CONTAINING ROPED FIBER BUNDLES

#189
20130071639
2013-03-21

Covering and method for trapping of emissions from surfaces

#190
20130068692
2013-03-21

Electrospun cactus mucilage nanofibers

#191
20120322646
2012-12-20

Blend polymer gas separation membrane

#192
20120273427
2012-11-01

SORBENT COMPOSITIONS AND METHODS OF USING SAME

#193
20120251925
2012-10-04

Flexible carbon fiber nonwoven fabric

#194
20120111792
2012-05-10

APPARATUS FOR AUTOMATICALLY ADSORBING AND RECYCLING FLOATING OIL ON WATER

#195
20120006761
2012-01-12

ABSORBENT MATERIAL AND METHOD FOR USING SAME

#196
20110297609
2011-12-08

Aircraft potable water system

#197
20110250287
2011-10-13

Method for reducing the number of unwanted molecules in bodily fluids

#198
20110217539
2011-09-08

Porous interpenetrating polymer network

#199
20110217220
2011-09-08

Metal Oxide Compositions for Sequestering Carbon Dioxide and Methods of Making and Using the Same

#200
20110129603
2011-06-02

Air-permeable filtration media, methods of manufacture and methods of use

#201
20100282670
2010-11-11

METAL RECOVERY DEVICE

#202
20100270232
2010-10-28

FIBER CONSTRUCT FOR TREATING BIOLOGICAL COMPONENTS

#203
20100212506
2010-08-26

Filter element and filter unit

#204
20100144909
2010-06-10

Method for producing functional material, functional material, sheet-like structure and sanitary product

#205
20090011235
2009-01-08

Manganese oxide nanowires, films, and membranes and methods of making

#206
20080271605
2008-11-06

Air-permeable filtration media and related systems

#207
20080230471
2008-09-25

FUNCTIONAL FILTER MEDIUM

#208
20080226886
2008-09-18

Odour-absorbing sheet-like structure, method for its production and use of zinc ricinoleate in finely divided solid form on odour-absorbing sheet-like structures

#209
20080184886
2008-08-07

THERMAL PRECONCENTRATOR FOR COLLECTION OF CHEMICAL SPECIES

#210
20080161631
2008-07-03

Multi-functional protective materials and methods for use

#211
20080057810
2008-03-06

Production Of Absorbent Composites

#212
20080035559
2008-02-14

Chromatographic separation member and method

#213
20070286877
2007-12-13

MULTI-FUNCTIONAL PROTECTIVE TEXTILES AND METHODS FOR DECONTAMINATION

#214
20070248529
2007-10-25

REACTIVE-ADSORPTIVE PROTECTIVE MATERIALS AND METHODS FOR USE

#215
20070187029
2007-08-16

Multi-functional protective textiles and methods for decontamination

#216
20070092346
2007-04-26

TEXTILE BARRIER FOR CONTAINMENT OF LIQUID HYDROCARBONS

#217
20070071933
2007-03-29

Article and method

#218
20070051240
2007-03-08

Method for making nano-scale filter

#219
20070039875
2007-02-22

Absorbent article

#220
20070003457
2007-01-04

Complex shaped fiber for particle and molecular filtration

#221
20060246285
2006-11-02

Process for the production of cellulosic moulded bodies

#222
20060216761
2006-09-28

Isolation material for hormone disrupting substance, method of concentrating and method of clean-up

#223
20060175260
2006-08-10

Chromatographic separation member and method

#224
20060054023
2006-03-16

Air-permeable filtration media, methods of manufacture and methods of use

#225
20060049101
2006-03-09

Manganese oxide nanowires, films, and membranes and methods of making

#226
20060014006
2006-01-19

Ultra-thin materials made from fibre and superabsorbent

#227
20050252379
2005-11-17

Adsorption filter material and its use

#228
20050241481
2005-11-03

Filter for collecting chlorinated organic compound

#229
20050214188
2005-09-29

Complex shaped fiber for particle and molecular filtration

#230
20050026778
2005-02-03

Multi-functional protective fiber and methods for use

#231
20050003176
2005-01-06

Continuous production method of water-absorbing composite

#232
18676521
2024-12-10

Preparation method for nanocomposite fiber membrane material based on bio-based liquefied formaldehyde resin

#233
17836575
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