ClassID:

99598

C08G69/46 - CPC Classification

Classification description:

Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule Post-polymerisation treatment

Recent Application in this class:
#1
20260092144
2026-04-02

Method For Recycling Polyamide 66 Waste Products

#2
20250270369
2025-08-28

MODIFIED CYANOPHYCIN

#3
20240301137
2024-09-12

HIGHLY-PURE PH-RESPONSIVE POLYMER AND METHOD FOR PRODUCING SAME

#4
20240092972
2024-03-21

POLYAMIDE PARTICLES AND METHODS OF PRODUCTION AND USES THEREOF

#5
20230374217
2023-11-23

Yield-optimized method for producing a polyamide powder composition

#6
20230135781
2023-05-04

HIGHLY SPHERICAL POLYAMIDE MICROPARTICLES AND SYNTHESIS METHODS RELATED THERETO

#7
20230116645
2023-04-13

Method and composition for improved agglomeration resistance of polyamide polymers

#8
20230104768
2023-04-06

METHOD FOR PRODUCING POLYAMIDE RESIN COMPOSITION

#9
20230034929
2023-02-02

Method of producing polyamide fine particles, and polyamide fine particles

#10
20220325101
2022-10-13

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

#11
20220251733
2022-08-11

Process for the Production of a Low-Shrinkage Aliphatic Polyamide Yarn

#12
20220219355
2022-07-14

Recycling Eutectic Composition

#13
20220213265
2022-07-07

Arginine-based antibacterial polymers with UCST property

#14
20220143528
2022-05-12

Use of ultrasound and acoustics to control crystallisation

#15
20220127423
2022-04-28

Compositions comprising cyclic alkylene carbonates and polyamides, processes for their preparation and their uses

#16
20220010066
2022-01-13

Highly spherical polyamide microparticles and synthesis methods related thereto

#17
20210206919
2021-07-08

PROCESS FOR PREPARING POLYAMIDE POWDERS BY PRECIPITATION

#18
20210130548
2021-05-06

Method and composition for improved agglomeration resistance of polyamide polymers

#19
20210070936
2021-03-11

Polyamide particles and methods of production and uses thereof

#20
20200407556
2020-12-31

Polymer film and preparation method thereof

#21
20200317866
2020-10-08

PROCESS FOR PREPARING A COPOLYAMIDE WITHOUT ENCRUSTATION IN THE AUTOCLAVE

#22
20200317858
2020-10-08

Method for obtaining biodegradable polymers

#23
20200298449
2020-09-24

Methods and systems for crystallizing tacky materials using a tumbler

#24
20200208302
2020-07-02

PROCESS AND APPARATUS FOR THE PRODUCTION OF A LOW-SHRINKAGE ALIPHATIC POLYAMIDE YARN, AND LOW-SHRINKAGE YARN

#25
20200071463
2020-03-05

Method and device for the production of polyamide 6 with low extract content

#26
20200062958
2020-02-27

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

#27
20200048413
2020-02-13

Method of producing polyamide fine particles, and polyamide fine particles

#28
20190091602
2019-03-28

USE OF UTRASOUND AND ACOUSTICS TO CONTROL CRYSTALLISATION

#29
20190062258
2019-02-28

Biomass-derived polymers and copolymers incorporating monolignols and their derivatives

#30
20180371511
2018-12-27

Method for producing 3-hydroxypropanamide employing

#31
20180362713
2018-12-20

Polymer preparation

#32
20180282496
2018-10-04

Method of producing glass-fiber-reinforced thermoplastic resin molded object and glass-fiber-reinforced thermoplastic resin molded object obtained by the method

#33
20180201731
2018-07-19

Process for preparing a polymer composition, and polymer composition obtainable by said process

#34
20180164275
2018-06-14

METHOD OF DETERMINING THE MOLECULAR WEIGHT DISTRIBUTION OF GLATIRAMER ACETATE USING MULTI-ANGLE LASER LIGHT SCATTERING (MALLS)

#35
20180022870
2018-01-25

Process and device for producing polyamides, with optimized flow guidance

#36
20180002484
2018-01-04

Water dispersible polyamide building blocks

#37
20170368510
2017-12-28

Composite semipermeable membrane

#38
20170327972
2017-11-16

Process and apparatus for the production of a low-shrinkage aliphatic polyamide yarn, and low-shrinkage yarn

#39
20170253702
2017-09-07

Nylon powder composition for 3D printing, and preparation method and application thereof

#40
20170210878
2017-07-27

LCP derivative/soft magnetic ferrite composite material and preparation method therefor

#41
20170081472
2017-03-23

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

#42
20160304714
2016-10-20

Method of producing fine particles of non-vinyl thermoplastic polymer

#43
20160200870
2016-07-14

Device for the synthesis of a polymer with extraction of a gaseous substance comprising a reaction chamber having at least one circular-cylindrical section

#44
20160159982
2016-06-09

Articles obtained from a polymer composition, preparation process and uses

#45
20160137783
2016-05-19

Method for producing aliphatic or partially aromatic polyamides, said method comprising a solid-phase polymerization process

#46
20160130398
2016-05-12

Device for synthesizing a polymer with reduced formation of deposits in the reaction chamber

#47
20160075828
2016-03-17

Method for producing highly viscous polyamides

#48
20160058877
2016-03-03

Reduction of endotoxins from polyanionic polymer conjugates

#49
20150329672
2015-11-19

Polyamide production method

#50
20140256905
2014-09-11

PREPARATION OF POLYAMIDES BY HYDROLYTIC POLYMERIZATION AND SUBSEQUENT DEVOLATILIZATION

#51
20140243473
2014-08-28

METHOD AND DEVICE FOR DIRECT, CONTINUOUS MODIFICATION OF POLYMER MELTS

#52
20140228523
2014-08-14

Method for preparing furanic copolyamide derived from biomass using solid-state polymerization

#53
20140088268
2014-03-27

Process for producing polyamide that is stable during processing

#54
20140080938
2014-03-20

Polymer compounds having coupled components

#55
20140057063
2014-02-27

Method for reducing residual lactam monomer from polyamide compounds

#56
20130337263
2013-12-19

Aromatic polyethersulfone microparticles having narrow particle diameter distribution index

#57
20130269520
2013-10-17

Reactive functional group-modified molecularly self-assembling material

#58
20130213593
2013-08-22

Polyamine polyamidoamine epihaloohydrin compositions and processes for preparing and using the same

#59
20130184413
2013-07-18

Process for the manufacture of a polyamide

#60
20130131307
2013-05-23

Process for preparing PA-4X, and PA-410 obtainable by the process

#61
20120247697
2012-10-04

Polyamine Polyamidoamine Epihaloohydrin Compositions and Processes for Preparing and Using the Same

#62
20120157654
2012-06-21

METHOD FOR THE DRYING AND POST-CONDENSATION OF POLYAMIDE PARTICLES

#63
20120141791
2012-06-07

Process for polymerizing lactam

#64
20120076994
2012-03-29

Modified polyamide acrylate oligomers

#65
20120065339
2012-03-15

PROCESS FOR PRODUCING POLYAMIDE THAT IS STABLE DURING PROCESSING

#66
20110208232
2011-08-25

Medical devices comprising a co-polymer of a polyamide and a polycarbonate diamine

#67
20110165358
2011-07-07

Process for producing a molding composition or a molding with an increase in the melt stiffness

#68
20110144300
2011-06-16

Batch process for preparing polyamides

#69
20110124776
2011-05-26

Process for heat treatment of semi-crystalline polymers

#70
20110092645
2011-04-21

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

#71
20110070442
2011-03-24

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

#72
20100326919
2010-12-30

Monolithic supports and methods for their production

#73
20100317810
2010-12-16

Application of coil tube evaporators for the production of polyamides

#74
20100305683
2010-12-02

Medical devices comprising a co-polymer of a modified polyamide and a polycarbonate

#75
20100048860
2010-02-25

Continuous process for the extraction of polyamide-6

#76
20090306331
2009-12-10

PROCESS FOR INCREASING THE MOLECULAR WEIGHT OF A POLYAMIDE

#77
20090061227
2009-03-05

METHOD FOR PURIFYING POROUS POLYAMIDE FINE POWDER

#78
20080287641
2008-11-20

MICRON-SIZE POLYMER PARTICLES, PRODUCTION AND USES THEREOF

#79
20080279904
2008-11-13

pH-regulated polyamide powder for cosmetic applications

#80
20080277342
2008-11-13

Polyamide matrices and methods for their preparation and use

#81
20080214743
2008-09-04

Aliphatic polyester-amide compositions and a process for producing the same

#82
20070039885
2007-02-22

Membranes and methods useful for caustic applications

#83
20060194941
2006-08-31

Process for preparing a melt-processable polyamide composition

#84
20060173156
2006-08-03

Process for preparing a melt-processable polyamide composition

#85
20050079350
2005-04-14

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

#86
20050004341
2005-01-06

Controlling the crystallization of polyesters by means of their water content