ClassID:

100812

C08J2439/06 - 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
20260062540
2026-03-05

BIO-NYLON FIBER CONTAINING ANTIOXIDANT ACTIVE COMPONENTS AND PREPARATION METHOD THEREOF

#2
20250340709
2025-11-06

GELLING FILMS, ARTICLES CONTAINING GELLING FILMS, AND METHODS OF MAKING AND USING THE SAME

#3
20250232692
2025-07-17

MODELING THE HYDROPHILIC SURFACE OF THE EYE IN A SURGICAL EYE MODEL

#4
20250127954
2025-04-24

THREE-DIMENSIONAL NETWORK AQUEOUS GEL AND MANUFACTURING METHOD THEREOF

#5
20250122385
2025-04-17

SOLVENT-BASED OXYGEN BARRIER COATING COMPOSITION

#6
20240366509
2024-11-07

Dry Suspension Granules for Dry Suspension and Preparation Method Thereof

#7
20240299007
2024-09-12

ADHESIVE HYDROPHILIC PAD FOR ULTRASOUND TRANSDUCER

#8
20240299006
2024-09-12

ADHESIVE HYDROPHILIC PAD FOR ULTRASOUND TRANSDUCER

#9
20240277891
2024-08-22

MEDICAL TREATMENT MATERIAL AND METHOD FOR PRODUCING SAME

#10
20240209173
2024-06-27

PROCESS FOR PREPARING COATED SHAPED BODIES AND THEIR USE

#11
20240209161
2024-06-27

SOLUTION OF POLYMER P IN N-TERT-BUTYL-2-PYRROLIDIONE FOR THE USE OF MEMBRANES

#12
20240026087
2024-01-25

Heat Sealed Substrate

#13
20230416489
2023-12-28

POLYMER COMPOSITIONS

#14
20230218800
2023-07-13

THREE-DIMENSIONAL NETWORK AQUEOUS GEL AND MANUFACTURING METHOD THEREOF

#15
20220139591
2022-05-05

TRANSPARENT CONDUCTIVE FILM, AND TOUCH PANEL INCLUDING SAME

#16
20220073823
2022-03-10

Modified diene-containing (co)polymer, method for preparing thereof and use as a flame retardant

#17
20220040647
2022-02-10

POROUS MEMBRANES FOR HIGH PRESSURE FILTRATION

#18
20220035178
2022-02-03

Increased stiffness center optic in soft contact lenses for astigmatism correction

#19
20210213394
2021-07-15

Porous hollow fiber membrane

#20
20210164737
2021-06-03

Sheet for heat exchange

#21
20210017340
2021-01-21

Polysulfone-urethane copolymer, membranes and products incorporating same, and methods for making and using same

#22
20210009766
2021-01-14

AQUEOUS POLYOLEFIN DISPERSION

#23
20200361681
2020-11-19

PACKAGING SUBSTRATE

#24
20200354546
2020-11-12

Hydrophilic polymer compositions

#25
20200270427
2020-08-27

Polyvinyl alcohol composition, preparation method thereof, and polyvinyl alcohol medical catheter containing thereof

#26
20200225391
2020-07-16

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

#27
20200183186
2020-06-11

Increased stiffness center optic in soft contact lenses for astigmatism correction

#28
20200165406
2020-05-28

Polymer compositions

#29
20200086278
2020-03-19

Method for treating a microporous membrane

#30
20200010783
2020-01-09

Free standing film

#31
20190336640
2019-11-07

POLYURETHANE-HYDROGEL COMPOSITION COMPRISING CHLORHEXIDINE

#32
20190329183
2019-10-31

USE OF A SOLUTION OF POLYSULFONE IN N-ACYL-MORPHOLINE FOR THE FABRICATION OF UF MEMBRANES

#33
20190315960
2019-10-17

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

#34
20190300629
2019-10-03

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

#35
20190224644
2019-07-25

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

#36
20190224632
2019-07-25

Polymeric water-separation membrance containing sulfonated inorganic particles

#37
20190194400
2019-06-27

Conductive cellulose nanocrystals, method of producing same and uses thereof

#38
20190127555
2019-05-02

METHOD TO IMPROVE THE SURFACE MODIFICATION BY USING ALKYLBORANES

#39
20190121162
2019-04-25

Increased stiffness center optic in soft contact lenses for astigmatism correction

#40
20190106545
2019-04-11

Polysulfone-urethane copolymer, membranes and products incorporating same, and methods for making and using same

#41
20190091647
2019-03-28

Process for synthesizing hybrid core-shell microparticles comprising a polymer core and a silicon dioxide shell with controlled structure and surface

#42
20190031844
2019-01-31

Resin composition

#43
20180346678
2018-12-06

BREATHABLE EARPIECES

#44
20180221486
2018-08-09

Film-forming compositions based on starchy material and articles obtained thereof

#45
20180217294
2018-08-02

Method for producing medical device and medical device

#46
20180215896
2018-08-02

Molecularly self-assembling nanocomposite barrier coating for gas barrier application and flame retardancy

#47
20180022846
2018-01-25

HYDROPHILIZING AGENT, COMPOSITION CONTAINING HYDROPHILIZING AGENT, AND POROUS POLYMER FILM

#48
20170290955
2017-10-12

Hydrophilic coatings through in situ surface polymerization

#49
20170200919
2017-07-13

SOLUTION-PROCESSABLE HRI OPTICAL FILMS COMPRISING TITANATE NANOPARTICLES

#50
20170165403
2017-06-15

Composite biomaterials with improved bioactivity and their use for bone substitute

#51
20170096535
2017-04-06

System and method for synthesis of POSS-starch derivatives as effective fillers for developing high performance composites

#52
20170088677
2017-03-30

Method of producing polymer microparticles

#53
20160362525
2016-12-15

MICROPULP-ELASTOMER MASTERBATCHES AND COMPOUNDS

#54
20160347916
2016-12-01

CONDUCTIVE CELLULOSE NANOCRYSTALS, METHOD OF PRODUCING SAME AND USES THEREOF

#55
20160313571
2016-10-27

Increased stiffness center optic in soft contact lenses for astigmatism correction

#56
20160038884
2016-02-11

Resin composition, membrane-forming stock solution, porous membrane, and hollow fiber membrane, water treatment device, electrolyte support, and separator using porous membrane

#57
20150126633
2015-05-07

METHOD FOR FABRICATION OF POROUS FIBROUS MICROSTRUCTURE WITH VARIOUS 3-DIMENSIONAL STRUCTURES

#58
20150038608
2015-02-05

Manufacturing method of porous polymer film using vanadium oxide nanowire, and porous polymer film prepared therefrom

#59
20120308898
2012-12-06

Aromatic polyamide porous film and separator for capacitor or battery using the same

#60
20120003361
2012-01-05

POLYAMIDE RESIN COMPOSITION, FILM COMPRISING THE SAME AND POLYAMIDE-BASED LAMINATE FILM

#61
20100180513
2010-07-22

Polymer particles having improved mechanical properties and applications of same

#62
20090148659
2009-06-11

Porous membrane of vinylidene fluoride resin and process for producing the same

#63
20070179238
2007-08-02

Method for improving mechanical properties of polymer particles and its applications

#64
17371322
2024-10-29

Powder coated malleable hydrophobic orthodontic device shield