ClassID:

97945

C08F26/10 - CPC Classification

Classification description:

Homopolymers and 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 by a heterocyclic ring containing nitrogen N-Vinyl-pyrrolidone

Recent Application in this class:
#1
20260049219
2026-02-19

REACTIVE GEL MATERIAL FOR SUSTAINED WATER-BASED REACTIONS

#2
20250304801
2025-10-02

CONDUCTIVE COMPOSITION AND PRODUCTION METHOD THEREFOR, AND WATER-SOLUBLE POLYMER AND PRODUCTION METHOD THEREFOR

#3
20250304728
2025-10-02

PREPARATION OF N-VINYLPYRROLIDONE POLYMERS, CONTAINING LESS THAN 0.5 WT% OF 2-PYRROLIDONE

#4
20250236690
2025-07-24

CONFORMANCE IMPROVEMENT IN HYDROCARBON-BEARING RESERVOIR USING GREEN CROSSLINKERS

#5
20240425375
2024-12-26

DISPERSIONS CONTAINING GRAPHENIC CARBON NANOPARTICLES AND DISPERSANT RESINS

#6
20230327118
2023-10-12

DISPERSANT FOR LITHIUM ION BATTERY AND PREPARATION METHOD THEREOF, POSITIVE SLURRY, AND LITHIUM ION BATTERY

#7
20230135022
2023-05-04

CONDUCTIVE COMPOSITION AND PRODUCTION METHOD THEREFOR, AND WATER-SOLUBLE POLYMER AND PRODUCTION METHOD THEREFOR

#8
20220332676
2022-10-20

LYOPHILIZED COMPOSITION COMPRISING (S)-ISOPROPYL 2-((S)-2-ACETAMIDO-3-(1H-INDOL-3-YL)PROPANAMIDO)-6-DIAZO-5-OXOHEXANOATE FOR INTRAVENOUS ADMINISTRATION AND THE USE THEREOF

#9
20220127145
2022-04-28

Dispersions containing graphenic carbon nanoparticles and dispersant resins

#10
20210403618
2021-12-30

Hydrate inhibitors

#11
20210022982
2021-01-28

POWDER-CONTAINING COMPOSITION, POWDER FOR AQUEOUS SOLVENT, AND PRODUCTION METHOD OF POWDER FOR AQUEOUS SOLVENT

#12
20200347244
2020-11-05

Conductive composition and production method therefor, and water-soluble polymer and production method therefor

#13
20200306737
2020-10-01

Synthesis and application of chiral substituted polyvinylpyrrolidinones

#14
20200049857
2020-02-13

High water content ophthalmic devices

#15
20190315960
2019-10-17

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

#16
20190300629
2019-10-03

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

#17
20190256805
2019-08-22

Cleaning solution and method for cleaning substrate

#18
20190224644
2019-07-25

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

#19
20190054440
2019-02-21

Friable shell microcapsules, process for preparing the same and method of use thereof

#20
20180355233
2018-12-13

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

#21
20180312739
2018-11-01

Synthetic polymer based fluid loss pill

#22
20180126367
2018-05-10

Light-assisted photocatalyst regeneration and oxygen-resilient radical polymerization

#23
20180100038
2018-04-12

Polymerizable polydimethylsiloxane-polyoxyalkylene block copolymers

#24
20180086893
2018-03-29

Carbon material-polymer strain sensitive film and its preparation method

#25
20180072586
2018-03-15

Bismuth-titanium oxide nanowire material used for photocatalysis, and preparation method

#26
20180030000
2018-02-01

Azole derivatives for corrosion mitigation

#27
20180028940
2018-02-01

Method for separating and washing of microparticles via a stratified coflow of non-Newtonian and Newtonian fluids

#28
20170354576
2017-12-14

Amphiphilic polymer

#29
20170350005
2017-12-07

Patterned polymers and directed polymer growth by intiated chemical vapor deposition

#30
20170349679
2017-12-07

Bromine-containing polymers and methods for producing the same

#31
20160355616
2016-12-08

Polyvinyl Pyrrolidone analog Polymers

#32
20160340463
2016-11-24

PROCESS FOR PREPARING A POLYMER

#33
20150376319
2015-12-31

Hydrophobic crosslinkable acetoacetylated lactam/vinyl alcohol copolymers

#34
20150344461
2015-12-03

Hemi-aminal ethers and thioethers of N-alkenyl cyclic compounds

#35
20150307466
2015-10-29

Process for the distillation of a mixture comprising a cyclic N-vinylamide

#36
20150299364
2015-10-22

Dispersant, metal particle dispersion for electroconductive substrates, and method for producing electroconductive substrate

#37
20150279505
2015-10-01

Metal particle dispersion for electroconductive substrates, method for producing the same, and method for producing an electroconductive substrate

#38
20150274855
2015-10-01

SILICONE ACRYLAMIDE COPOLYMER

#39
20150210892
2015-07-30

Polishing composition and method for producing substrate

#40
20150119524
2015-04-30

ANTIFOAMING AGENT FOR NONAQUEOUS COATING AGENTS

#41
20140044662
2014-02-13

Producing aqueous solutions of vinyllactam polymers and powders thereof

#42
20130324687
2013-12-05

Compounds, monomers, and polymers containing a carbonate linkage

#43
20130184424
2013-07-18

N-vinyl lactam polymer and method for producing same

#44
20130030071
2013-01-31

End-functionalized polymers

#45
20120053254
2012-03-01

Method for producing hydrophilic poly-N-vinylpyrrolidone and use thereof

#46
20110257339
2011-10-20

METHOD FOR STABILIZING POLYMERS

#47
20110218295
2011-09-08

ANIONIC ASSOCIATIVE RHEOLOGY MODIFIERS

#48
20100171923
2010-07-08

Lactam polymer derivatives

#49
20100041846
2010-02-18

Hydrophobic Crosslinkable Acetoacetylated Lactam/Vinyl Alcohol Copolymers

#50
20090131549
2009-05-21

PROCESS FOR PREPARING POLYVINYLPYRROLIDONES BY SPRAY POLYMERIZATION

#51
20090130295
2009-05-21

High definition printing with waterborne inks on non-porous substrates

#52
20080110891
2008-05-15

Lid with a detachable sealing joint and manufacturing method thereof

#53
20080003252
2008-01-03

Functionalized hydrophilic macromonomers and medical devices incorporating same

#54
20070290174
2007-12-20

LACTAM POLYMER DERIVATIVES

#55
20070154438
2007-07-05

Method for producing a water-in-water polyvinyl lactam dispersion with a k value of = 120

#56
20060069235
2006-03-30

Lactam polymer derivatives

#57
20050222353
2005-10-06

Terpolymer compositions for coating substrates used in computer printers

#58
20050215740
2005-09-29

N-vinyl amide polymer and production method thereof

#59
20050027068
2005-02-03

Terpolymer compositions for coating substrates used in computer printers