ClassID:

100526

C08J2339/06 - CPC Classification

Classification description:

Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Derivatives of such polymers; Homopolymers or copolymers of monomers containing heterocyclic rings having nitrogen as ring member Homopolymers or copolymers of N-vinyl-pyrrolidones

Recent Application in this class:
#1
20260132232
2026-05-14

OPHTHALMIC DEVICES

#2
20250326940
2025-10-23

HYDROPHILIC COATINGS FOR VASCULAR MEDICAL PRODUCTS

#3
20250270377
2025-08-28

PARTICLES CONSISTING OF AN ORGANIC POLYMER CORE, A FIRST INORGANIC OXIDE SHELL INCORPORATING A MAGNETIC MATERIAL AND A MESOPOROUS SECOND INORGANIC SHELL

#4
20250179254
2025-06-05

COMPOSITIONS WITH LITTLE OR NO SOLVENT COMPRISING CARBON NANOTUBES AND AT LEAST ONE POLYMER

#5
20250051535
2025-02-13

MICROPOROUS MATERIAL AND SYSTEMS AND METHODS FOR MAKING THE SAME

#6
20250029747
2025-01-23

Conductive particle, conductive materials and connection structure

#7
20240316340
2024-09-26

CONDUCTIVE GEL COMPOSITIONS AND METHODS OF PRODUCTION AND USE THEREOF

#8
20240157124
2024-05-16

CONDUCTIVE GEL COMPOSITIONS AND METHODS OF PRODUCTION AND USE THEREOF

#9
20230416489
2023-12-28

POLYMER COMPOSITIONS

#10
20230273225
2023-08-31

OCCULT BLOOD DETECTION FILM, AND PREPARATION METHOD THEREFOR AND USE THEREOF AND OCCULT BLOOD DETECTION KIT

#11
20230159720
2023-05-25

THERMALLY EXPANDABLE MICROCAPSULES

#12
20230101119
2023-03-30

PERFORATED HYDROGEL CONFIGURATIONS AND METHODS OF PRODUCTION AND USE THEREOF

#13
20230096315
2023-03-30

OPHTHALMIC DEVICES

#14
20220340719
2022-10-27

HYDROGEL

#15
20220296506
2022-09-22

A METHOD FOR OBTAINING ION-EXCHANGE POLYMERIC HYDROGELS FOR EYE TREATMENT AND HYDROGEL LENSES THEREOF

#16
20220275120
2022-09-01

PREPARATION OF LOW-DUSTING OR NON-DUSTING WATERDISPERSIBLE CROSSLINKED POLYVINYLPYRROLIDONE GRANULES

#17
20220107308
2022-04-07

IMMUNE CELL TRAPPING DEVICES AND METHODS FOR MAKING AND USING THE SAME

#18
20220040646
2022-02-10

Porous membranes for high pressure filtration

#19
20210388491
2021-12-16

Degradable resin molding and production method for degradable resin molding

#20
20210315807
2021-10-14

HYDROGEL COMPOSITION AND HYDROGEL LENS

#21
20210252458
2021-08-19

Alkali-Stable Nanofiltration Composite Membrane and Method of Manufacture Thereof

#22
20210138233
2021-05-13

Perforated hydrogel configurations and methods of production and use thereof

#23
20210128294
2021-05-06

Optical material and method for modifying the refractive index

#24
20210084963
2021-03-25

NON-TOBACCO PLANT COMPOSITION PREPARATION METHOD, ELECTRONIC CIGARETTE FILLER PREPARATION METHOD, ELECTRONIC CIGARETTE FILLER, AND ELECTRONIC CIGARETTE CARTRIDGE USING SAME

#25
20200332085
2020-10-22

Resin composition, molded article and heat-expandable microspheres

#26
20200255601
2020-08-13

Hydrogels and method of making the same

#27
20200225391
2020-07-16

Photonic crystal structure and anti-forgery color conversion film comprising same

#28
20200216632
2020-07-09

Method for making light-blocking articles

#29
20200172694
2020-06-04

MICROPOROUS MATERIAL AND SYSTEMS AND METHODS FOR MAKING THE SAME

#30
20200165406
2020-05-28

Polymer compositions

#31
20200062913
2020-02-27

Sealing compositions for water soluble films and methods of using

#32
20190390029
2019-12-26

Method of making light-blocking articles

#33
20190345300
2019-11-14

Method for producing polymer film

#34
20190315960
2019-10-17

N-vinyl lactam-based crosslinked polymer, cosmetic, absorbent agent for ink, and absorbent composite

#35
20190300629
2019-10-03

N-vinyl lactam-based crosslinked polymer, cosmetic, absorbent agent for ink, and absorbent composite

#36
20190240002
2019-08-08

Optical device and method for modifying the refractive index of an optical material

#37
20190233606
2019-08-01

Thermally expandable thermoplastic microspheres and process for their preparation

#38
20190224644
2019-07-25

N-VINYL LACTAM-BASED CROSSLINKED POLYMER, COSMETIC, ABSORBENT AGENT FOR INK AND ABSORBENT COMPOSITE

#39
20190185385
2019-06-20

Method of making a fiber preform for ceramic matrix composite (CMC) fabrication utilizing a fugitive binder

#40
20190055327
2019-02-21

Method for manufacturing filter membrane for inhibiting microorganisms

#41
20190040224
2019-02-07

Composite powder in which porous polymer is impregnated with scoria powder particles, cosmetic composition containing same, and process for producing same

#42
20180355233
2018-12-13

Molecularly engineered high thermal conductivity polymers and methods for making the same

#43
20180327557
2018-11-15

Method Of Manufacturing A Thermoplastic Molding Compound Powder

#44
20180186995
2018-07-05

Crosslinked polyvinylpyrrolidone compositions

#45
20180164298
2018-06-14

Immune cell trapping devices and methods for making and using the same

#46
20180141015
2018-05-24

Pickering emulsion and method of preparing the same

#47
20170362364
2017-12-21

Formulation for silicone hydrogel, silicone hydrogel and method for forming silicone hydrogel

#48
20170355884
2017-12-14

Transparent solid glue and manufacturing method thereof

#49
20170181846
2017-06-29

Optical device and method for modifying the refractive index of an optical material

#50
20160362541
2016-12-15

Porous carbon material, composite material reinforced with carbon material, porous carbon material precursor, porous carbon material precursor production method, and porous carbon material production method

#51
20160333150
2016-11-17

MELAM GRANULATE MATERIAL AND PROCESS FOR PREPARATION THEREOF

#52
20160312385
2016-10-27

Nanofibers Containing Photocurable Ester Derivative of Hyaluronic Acid or Its Salt, Photocured Nanofibers, Method of Synthesis Thereof, Preparation Containing Photocured Nanofibers and Use Thereof

#53
20160304714
2016-10-20

Method of producing fine particles of non-vinyl thermoplastic polymer

#54
20160297945
2016-10-13

Black polymer particles

#55
20160287754
2016-10-06

Method for preparing bilayer scaffold through single process and method for regenerating tissue using bilayer scaffold obtained by preparing method

#56
20160108273
2016-04-21

Solid tempera and method for manufacturing same

#57
20160062142
2016-03-03

Method for applying stable coating on silicone hydrogel contact lenses

#58
20160032061
2016-02-04

Polymer-graphene nanocomposites

#59
20150353709
2015-12-10

Polymeric composition and a method for preparation thereof

#60
20150322221
2015-11-12

PATTERNED FILMS AND METHODS

#61
20150307666
2015-10-29

Multi-component particles comprising inorganic nanoparticles distributed in an organic matrix and processes for making and using same

#62
20140239536
2014-08-28

Hydrogel composition for a mask base and method for manufacturing a hydrogel using same

#63
20140128517
2014-05-08

Method for dissolving and degassing polymer, and method for producing porous film

#64
20140007791
2014-01-09

Water soluble polymer powders with improved dispersibility

#65
20130337263
2013-12-19

Aromatic polyethersulfone microparticles having narrow particle diameter distribution index

#66
20130108870
2013-05-02

Hydrocarbon fluid compatible micronized polymers

#67
20120231355
2012-09-13

Polymer electrolyte membrane for a fuel cell, and method for preparing same

#68
20120146255
2012-06-14

Process For Producing Pellets Comprising At Least One Water-Soluble Component

#69
20120130028
2012-05-24

Process for the preparation of low-peroxide crosslinked vinyllactam polymer

#70
20120018915
2012-01-26

Powder for molding and method for producing molded article using the same

#71
20110313363
2011-12-22

Medical components having coated surfaces exhibiting low friction and low reactivity

#72
20110281732
2011-11-17

Crosslinked polyvinylpyrrolidone compositions

#73
20110070442
2011-03-24

Method for producing polymer fine particle comprising contacting an emulsion with a poor solvent

#74
20100311872
2010-12-09

Aqueous dispersions and methods of making same

#75
20100310851
2010-12-09

Conductive Fiber Glass Strands, Methods Of Making The Same, And Composites Comprising The Same

#76
20100298933
2010-11-25

Optical material and method for modifying the refractive index

#77
20100056650
2010-03-04

Membrane production

#78
20080135481
2008-06-12

POLYARYLETHERNITRILE HOLLOW FIBER MEMBRANES

#79
20080095925
2008-04-24

Method for producing a membrane electrode including forming the membrane in situ

#80
20080058440
2008-03-06

Hydrophilic membranes

#81
20070224106
2007-09-27

Carbon nanotube dispersed polar organic solvent and method for producing the same

#82
20070098801
2007-05-03

Particles shaped as platelets

#83
20060083694
2006-04-20

Multi-component particles comprising inorganic nanoparticles distributed in an organic matrix and processes for making and using same

#84
20050121385
2005-06-09

Adsorption membranes, method of producing same and equipment, including the adsorption membranes