Patents-Review.com
ClassID:

99582 ⎘

C08G69/16 - CPC Classification

Classification description:

Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule; Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids; Lactams Preparatory processes

Sub-classes:
Recent Application in this class:
#1
20250340700
2025-11-06

HIGH FLOW, DUAL-TERMINATED POLYAMIDE POLYMERS

 #2
20250019516
2025-01-16

METHOD OF PRODUCING EPSILON-CAPROLACTAM AND METHOD OF PRODUCING POLYAMIDE 6

 #3
20240384032
2024-11-21

COPOLYAMIDE AND POLYMER FILM CONTAINING AT LEAST ONE LACTAM, A DICARBOXYLIC ACID AND 1,5-DIAMINO-3-OXAPENTANE

 #4
20240352217
2024-10-24

METHOD OF COLLECTING FIBROUS FILLING MATERIAL AND e-CAPROLACTAM, AND METHOD OF PRODUCING POLYAMIDE 6

 #5
20240343863
2024-10-17

Antibacterial nylon 6 material, preparation method therefor and application thereof

 #6
20240227243
2024-07-11

METHOD AND DEVICE FOR THE PRODUCTION OF POLYAMIDE 6 PELLETS

 #7
20240131751
2024-04-25

METHOD AND DEVICE FOR THE PRODUCTION OF POLYAMIDE 6 PELLETS

 #8
20240026090
2024-01-25

POLYAMIDE FINE PARTICLES AND METHOD OF PRODUCING THE SAME

 #9
20240026080
2024-01-25

METHOD FOR PRODUCING NYLON

 #10
20240010792
2024-01-11

AQUEOUS LACTAM SOLUTION OF LIGNIN

 #11
20230407007
2023-12-21

PROCESS FOR CONTINUOUSLY PREPARING COPOLYAMIDES FROM LACTAMS, DIAMINES AND DIMER ACIDS

 #12
20230374343
2023-11-23

MATERIALS FOR SELECTIVE LASER SINTERING AND LASER SINTERING USING SUCH MATERIALS

 #13
20230374217
2023-11-23

Yield-optimized method for producing a polyamide powder composition

 #14
20230340199
2023-10-26

Polyamides, and methods of producing thereof

 #15
20230332194
2023-10-19

MICROORGANISMS AND METHODS FOR ENHANCING THE AVAILABILITY OF REDUCING EQUIVALENTS IN THE PRESENCE OF METHANOL, AND FOR PRODUCING ADIPATE, 6-AMINOCAPROATE, HEXAMETHYLENEDIAMINE OR CAPROLACTAM RELATED THERETO

 #16
20230257523
2023-08-17

METHOD FOR PRODUCING A POLY(ANTHRANILAMIDE), POLY(ANTHRANILAMIDE) AND USE THEREOF

 #17
20230094088
2023-03-30

Three-dimensional spherical alpha-helix cationic polypeptide having high-efficiency gene delivery capability, and preparation method and application thereof

 #18
20230051242
2023-02-16

PROCESS FOR POLYMERIZING CYCLIC OLIGOMERS OF POLYAMIDES

 #19
20230034929
2023-02-02

Method of producing polyamide fine particles, and polyamide fine particles

 #20
20220363827
2022-11-17

Flame retardant polyamide

 #21
20220332889
2022-10-20

Polyamide Composition

 #22
20220325101
2022-10-13

Process and formulation for producing a polyamide having low caprolactam concentration and specific relative viscosity

 #23
20220227932
2022-07-21

POLYAMIDES HAVING CYCLIC TERPENOID SUBSTRUCTURES

 #24
20220185958
2022-06-16

Tissue-Adhesive Hydrogels

 #25
20210370644
2021-12-02

Laminates containing a metal and a polyamide composition

 #26
20210284799
2021-09-16

Method for the preparation of a polyamide 6 copolymer and filaments, flame retardant polyamide 6 copolymer and copolymer filaments

 #27
20210269596
2021-09-02

Method for continuously producing a polyamide powder

 #28
20210206919
2021-07-08

PROCESS FOR PREPARING POLYAMIDE POWDERS BY PRECIPITATION

 #29
20210171459
2021-06-10

PREPARATION OF CAPROLACTAM FROM 6-AMINO CAPROIC ACID OBTAINED IN A FERMENTATION PROCESS

 #30
20210155753
2021-05-27

PROCESS FOR POLYMERIZING CYCLIC OLIGOMERS OF POLYAMIDES

 #31
20210155752
2021-05-27

Strong base-initiated N-carboxyanhydride rapid ring-opening polymerization method

 #32
20210139647
2021-05-13

BRANCHED, TERMINATED POLYAMIDE COMPOSITIONS

 #33
20210130542
2021-05-06

CATALYSTS SUITABLE FOR THE RING-OPENING POLYMERISATION OF CYCLIC ESTERS AND CYCLIC AMIDES

 #34
20210107235
2021-04-15

Method for increasing the difference between the melting temperature and the crystallization temperature of a polyamide powder

 #35
20210047468
2021-02-18

POLYAMIDE PARTICLES AND METHOD FOR PRODUCING POLYAMIDE PARTICLES

 #36
20200385520
2020-12-10

METHOD FOR PRODUCING POLYAMIDE USING TERMINAL ENCAPSULANT AND POLYAMIDE PRODUCED THEREBY

 #37
20200247974
2020-08-06

Graphene composite material and preparation method thereof

 #38
20200087457
2020-03-19

Polyamides, and methods of producing thereof

 #39
20200062958
2020-02-27

Process and formulation for producing a polyamide having low caprolactam concentration and specific relative viscosity

 #40
20200048413
2020-02-13

Method of producing polyamide fine particles, and polyamide fine particles

 #41
20200031989
2020-01-30

Quorum sensing based polymer for stimulation of biofilms and related phenotypes, and synthesis process thereof

 #42
20190375893
2019-12-12

POLYAMIDE PARTICLES AND METHOD FOR PRODUCING POLYAMIDE PARTICLES

 #43
20190300919
2019-10-03

Producing adipate, 6-aminocaproate, hexamethylenediamine or caprolactam in the presence of methanol using a microorganism having increased availability of reducing equivalents

 #44
20190292692
2019-09-26

Method for preparing graphene/nylon-6 fiber

 #45
20190177478
2019-06-13

Process for preparing polymers from monomers comprising laurolactam

 #46
20190161609
2019-05-30

Use of an additive composition for the preparation of polycondensation polymers

 #47
20190040197
2019-02-07

Modifying agent, polyamide copolymer synthesized using modifying agent and method for preparing polyamide copolymer

 #48
20190002639
2019-01-03

Semiaromatic copolyamide resin and polyamide molding composition consisting of the same

 #49
20180361681
2018-12-20

Method for increasing the difference between the melting temperature and the crystallization temperature of a polyamide powder

 #50
20180312658
2018-11-01

Continuous production equipment and preparation method for graphene composite material

 #51
20180291152
2018-10-11

Functionalized polyamides and methods of preparing the same

 #52
20180291151
2018-10-11

Functionalized Polyamides And Methods Of Preparing The Same

 #53
20180223043
2018-08-09

Method for preparing biobased nylon: polylactam

 #54
20180194896
2018-07-12

PRODUCTION OF A POLYAMIDE THAT CONTAINS 2,5-BIS(AMINOMETHYL)FURAN

 #55
20180022870
2018-01-25

Process and device for producing polyamides, with optimized flow guidance

 #56
20170369658
2017-12-28

Method for fabrication of high dispersion polymer nanocomposites

 #57
20170335087
2017-11-23

Method for providing resistance to yellowing in polyamide articles and polyamide articles obtained from this method

 #58
20170298396
2017-10-19

Bioconversion process for producing nylon-7, nylon-7,7 and polyesters

 #59
20170198094
2017-07-13

Polyamide resin and molded article containing same

 #60
20170158816
2017-06-08

Powder compositions and methods of manufacturing articles therefrom

 #61
20170081472
2017-03-23

PRODUCTION OF POLYAMIDES BY HYDROLYTIC POLYMERIZATION AND SUBSEQUENT TREATMENT IN A KNEADER

 #62
20170081471
2017-03-23

POLYAMIDE CAPABLE OF BEING DEEPLY DYED AND METHOD FOR PREPARING THE SAME

 #63
20170029566
2017-02-02

Method of Producing a Polyamide

 #64
20160304669
2016-10-20

Compounds and methods for producing nylon 6

 #65
20160297930
2016-10-13

Method for preparing polyamide resin

 #66
20160200677
2016-07-14

PREPARATION OF CAPROLACTAM FROM 6-AMINO CAPROIC ACID OBTAINED IN A FERMENTATION PROCESS

 #67
20160159981
2016-06-09

Peptide-based materials

 #68
20160096923
2016-04-07

Method for producing polyamide composite materials containing silicon

 #69
20160032050
2016-02-04

Reactor with vertical condensation tube and method for the polymerisation of polyamides in such a reactor

 #70
20160031784
2016-02-04

Process for preparing cyclododecanone

 #71
20160031783
2016-02-04

Process for preparing cyclododecanone

 #72
20160009869
2016-01-14

PREPARATION OF POLYAMIDES BY HYDROLYTIC POLYMERIZATION, POSTPOLYMERIZATION AND SUBSEQUENT EXTRACTION

 #73
20160001254
2016-01-07

Polymerisation device and method for the production of thermoplastic polymers

 #74
20150337275
2015-11-26

Bioconversion process for producing nylon-7, nylon-7,7 and polyesters

 #75
20150337083
2015-11-26

Polyamide, preparation process and uses

 #76
20150329885
2015-11-19

Microorganisms and methods for enhancing the availability of reducing equivalents in the presence of methanol, and for producing adipate, 6-aminocaproate, hexamethylenediamine or caprolactam related thereto

 #77
20150166688
2015-06-18

METHOD FOR POLYMERISATION OVER NANOPARTICLES AND POLYMER THUS OBTAINED

 #78
20150045531
2015-02-12

Composition for anionic lactam polymerization

 #79
20150038656
2015-02-05

Process for preparing polymers and reactor for performing the process

 #80
20140350213
2014-11-27

Purification of polyamide particles

 #81
20140329916
2014-11-06

Microorganisms and methods for enhancing the availability of reducing equivalents in the presence of methanol, and for producing adipate, 6-aminocaproate, hexamethylenediamine or caprolactam related thereto

 #82
20140242655
2014-08-28

Bioconversion process for producing nylon-7, nylon-7,7 and polyesters

 #83
20140148570
2014-05-29

Composition for producing cast polyamides

 #84
20140135491
2014-05-15

Extraction reactor and also method for extraction from granular material

 #85
20130338259
2013-12-19

Method for producing modified polyamide 6

 #86
20130193614
2013-08-01

Use of polyamide for the preparation of injection-molded articles and resulting articles

 #87
20130102701
2013-04-25

Method for producing modified polyamide 6

 #88
20130065466
2013-03-14

Use of polyethyleneimines in the preparation of polyamides

 #89
20130052444
2013-02-28

PROCESS FOR PRODUCING MOLDINGS

 #90
20130030146
2013-01-31

PREPARATION OF CAPROLACTAM FROM 6-AMINO CAPROIC ACID OBTAINED IN A FERMENTATION PROCESS

 #91
20120283406
2012-11-08

COMPOSITION FOR ANIONIC LACTAM POLYMERIZATION

 #92
20120264908
2012-10-18

Production of caprolactam from carbohydrate-containing materials

 #93
20120264907
2012-10-18

Preparation of polyamides

 #94
20120245320
2012-09-27

Method of production of cast polyamides

 #95
20120088899
2012-04-12

Process for producing monomer compositions and use of these for producing a polyamide molding

 #96
20110294968
2011-12-01

Method for producing polymers and reactor for carrying out said method

 #97
20110288258
2011-11-24

CROSSLINKED POLYAMIDE

 #98
20110196093
2011-08-11

Method of forming a polyamide

 #99
20110172387
2011-07-14

METHOD FOR INCREASING THE DIFFERENCE BETWEEN THE MELTING TEMPERATURE AND THE CRYSTALLIZATION TEMPERATURE OF A POLYAMIDE POWDER

 #100
20110148000
2011-06-23

Process and device for polymerizing lactams molds

 #101
20110092645
2011-04-21

Continuous method for multi-staged drying and subsequent condensation of a polyamide granulate

 #102
20110052927
2011-03-03

Powder compositions and methods of manufacturing articles therefrom

 #103
20100317810
2010-12-16

Application of coil tube evaporators for the production of polyamides

 #104
20100304115
2010-12-02

SHAPE MEMORY POLYAMIDE AND METHOD OF PRODUCING SHAPE MEMORY POLYAMIDE FABRIC USING THE SAME

 #105
20100144986
2010-06-10

Continuous production of polyamides

 #106
20100121024
2010-05-13

METHOD FOR PRODUCING A COPOLYMER OF AT LEAST ONE CYCLIC MONOMER

 #107
20100121021
2010-05-13

Process for the preparation of polylactones and polylactams

 #108
20100048860
2010-02-25

Continuous process for the extraction of polyamide-6

 #109
20090306331
2009-12-10

PROCESS FOR INCREASING THE MOLECULAR WEIGHT OF A POLYAMIDE

 #110
20090227761
2009-09-10

Intrinsically gel-free, randomly branched polyamide

 #111
20090226275
2009-09-10

Metal conduit inserted monomer cast nylon support block producing method and monomer cast nylon support block producing thereof

 #112
20090149590
2009-06-11

Modified Polyamides, Uses Thereof and Process for Their Preparation

 #113
20090131674
2009-05-21

Polyamide oligomers and their use

 #114
20080287641
2008-11-20

MICRON-SIZE POLYMER PARTICLES, PRODUCTION AND USES THEREOF

 #115
20080167418
2008-07-10

Method for Producing an Aqueous Polyamide Dispersion

 #116
20080033143
2008-02-07

Polyamide prepolymer and polyamide, and method for producing them

 #117
20070299206
2007-12-27

LACTAM POLYMER DERIVATIVES

 #118
20070244272
2007-10-18

Method for Separating Ammonia and Water From Mixtures, Arising During The Production of Polyamides

 #119
20070055047
2007-03-08

Molecular weight increase and modification of polycondensates

 #120
20060205892
2006-09-14

Toughened nylon, the process of preparing it and its use

 #121
20050154182
2005-07-14

Method for producing polyamides

 #122
20050113512
2005-05-26

Method of making a polymer from a polymer precursor composition

 #123
20050079350
2005-04-14

Micron-size polymer particles comprising polyamide compound, production and uses thereof

 #124
20050038201
2005-02-17

Process for increasing the molecular weight of polyamides

 #125
20050035486
2005-02-17

Device and method for producing moulded bodies from thermoplastic polymers