ClassID:

99590

C08G69/30 - 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 polyamines and polycarboxylic acids; Preparatory processes Solid state polycondensation

Recent Application in this class:
#1
20250215154
2025-07-03

High Molecular Weight Polyamides and CoPolyamides with Uniform RV and Low Gel Content

#2
20240010793
2024-01-11

METHOD FOR THE CONTINUOUS PREPARATION OF POLYAMIDE PREPOLYMERS

#3
20230374215
2023-11-23

NEW POLYAMIDE-CONTAINING POWDERS FOR POWDER BED FUSION PRINTING PROCESS AND PRINTED ARTICLES THEREOF

#4
20230250232
2023-08-10

High Molecular Weight Polyamides and CoPolyamides with Uniform RV and Low Gel Content

#5
20230054441
2023-02-23

CONTINUOUS SOLID-STATE POLYMERIZATION PROCESS AND REACTOR COLUMN FOR USE THEREIN

#6
20230041199
2023-02-09

METHOD FOR PRODUCING A POLYAMIDE

#7
20220185961
2022-06-16

Process for the preparation of polyamides

#8
20220145007
2022-05-12

Method for synthesizing long carbon chain semi-aromatic nylon

#9
20220098368
2022-03-31

Process for preparing a polyamide, a nylon salt to be used therein and a process for making the salt

#10
20220049055
2022-02-17

CONTINUOUS SOLID-STATE POLYMERIZATION PROCESS AND REACTOR COLUMN FOR USE THEREIN

#11
20210130547
2021-05-06

PROCESS FOR PREPARING POLYMERS

#12
20210108032
2021-04-15

SOLVENT-FREE MELT POLYCONDENSATION PROCESS OF MAKING FURAN-BASED POLYAMIDES

#13
20200283577
2020-09-10

SOLVENT-FREE MELT POLYCONDENSATION PROCESS OF MAKING FURAN-BASED POLYAMIDES

#14
20200172673
2020-06-04

Process for preparing nylon salt and its polymerization

#15
20200165388
2020-05-28

Process for preparing a polyamide, a nylon salt to be used therein and a process for making the salt

#16
20190263967
2019-08-29

Process for preparing polymers

#17
20190153222
2019-05-23

RESIN COMPOSITION AND RESIN MOLDED BODY

#18
20180371167
2018-12-27

A SOLVENT-FREE MELT POLYCONDENSATION PROCESS OF MAKING FURAN-BASED POLYAMIDES

#19
20180340042
2018-11-29

High Molecular Weight Polyamides and CoPolyamides with Uniform RV and Low Gel Content

#20
20180201732
2018-07-19

Dynamic Cross-Linked Poly (Amides) Prepared Via The Incorporation Of Polyamines/Ammonium Salts In The Solid State

#21
20180201731
2018-07-19

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

#22
20180127545
2018-05-10

Copolymerized Polyamide Resin, Method for Preparing the Same and Molded Article Comprising the Same

#23
20180009946
2018-01-11

Highly functional polyamide polymer, spinning dope composition containing same, and molded product thereof

#24
20170298181
2017-10-19

COPOLYAMIDES WITH ALTERNATING REPEAT UNITS

#25
20170218122
2017-08-03

Process for preparing nylon salt and its polymerization

#26
20170210850
2017-07-27

Process for preparing a polyamide, a nylon salt to be used therein and a process for making the salt

#27
20170210031
2017-07-27

Polyamide pellets, method for producing polyamide pellets, and method for producing polyamide molded article

#28
20170152382
2017-06-01

Process for the preparation of a semi-crystalline semi-aromatic polyamide

#29
20170114185
2017-04-27

POLYAMIDE RESIN COMPOSITION

#30
20170044318
2017-02-16

Copolymerized Polyamide Resin, Method for Preparing Same, and Molded Product Comprising Same

#31
20170002144
2017-01-05

Polyamide Resin and Method for Manufacturing Same

#32
20160304672
2016-10-20

Xylylenediamine composition and method for producing polyamide resin

#33
20160304671
2016-10-20

Xylylene diamine composition, and method for producing polyamide resin

#34
20160304670
2016-10-20

Xylylenediamine composition and method for producing polyamide resin

#35
20160280856
2016-09-29

Polyamide resin and method for manufacturing same

#36
20160280855
2016-09-29

Polyamide resin and polyamide molded body using same

#37
20160159983
2016-06-09

Device and method for synthesis of a polymer under separation of a gaseous substance

#38
20160144337
2016-05-26

Continuous solid-state polymerisation device and method

#39
20160137783
2016-05-19

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

#40
20160137781
2016-05-19

Process for producing a semi-aromatic semi-crystalline polyamide

#41
20160136611
2016-05-19

Continuous solid-state polymerization device and method

#42
20160130397
2016-05-12

Method for continuously producing polyamide oligomers and producing semicrystalline or amorphous polyamides that can be thermoplastically processed

#43
20160096924
2016-04-07

Polyamide Resin, Method for Preparing the Same, and Molded Article Including the Same

#44
20160090448
2016-03-31

Copolymerized polyamide resin, method for preparing the same and molded article comprising the same

#45
20160083515
2016-03-24

Highly functional polyamide polymer, spinning dope composition containing same, and molded product thereof

#46
20160075828
2016-03-17

Method for producing highly viscous polyamides

#47
20160068634
2016-03-10

FEED FORWARD PROCESS CONTROLS FOR NYLON SALT SOLUTION PREPARATION PROCESSES

#48
20160039993
2016-02-11

Xylylenediamine composition, and method for producing polyamide resin

#49
20160032051
2016-02-04

Copolymerized Polyamide Resin, Method for Preparing the Same and Article Comprising the Same

#50
20150368399
2015-12-24

PA-MXDT/ZT COPOLYMERS

#51
20150361216
2015-12-17

Process for the preparation of a polyamide

#52
20150329672
2015-11-19

Polyamide production method

#53
20150166726
2015-06-18

POLYAMIDE RESIN

#54
20150148518
2015-05-28

Branched polyamide

#55
20150112040
2015-04-23

On-line control of molecular weight in continuous solid state polymerization processes

#56
20140235798
2014-08-21

Branched polyamide with different blocks

#57
20140066588
2014-03-06

Production of polyamides by polycondensation

#58
20130172521
2013-07-04

Method for producing nylon salt powder, and method for producing nylon

#59
20130165621
2013-06-27

Method for preparing polycondensation resin

#60
20130018166
2013-01-17

SEMIAROMATIC POLYAMIDE AND METHOD FOR PRODUCING SAME

#61
20120301659
2012-11-29

BIO-BASED TERPOLYMERS AND PROCESS OF MAKING THE SAME

#62
20120065327
2012-03-15

POLYAMIDE RESIN

#63
20110251341
2011-10-13

Reinforced polyamide composition

#64
20110245450
2011-10-06

Modified polyamide, method for preparing same, and article obtained from said polyamide

#65
20110144300
2011-06-16

Batch process for preparing polyamides

#66
20100267923
2010-10-21

Semi-aromatic polyamide and a method for preparation with low wastewater discharge

#67
20100190952
2010-07-29

Method for the production of polyamides in extruders

#68
20100036083
2010-02-11

Process For The Preparation Of Polyamides In The Presence of a Phosphonate

#69
20080262193
2008-10-23

PRODUCTION METHOD OF POLYAMIDE

#70
20070135613
2007-06-14

Method for the manufacture of a partially crystalline polycondensate

#71
20050119444
2005-06-02

Solid-state post-condensation process for increasing the molecular weight of a polyamide

#72
20050017398
2005-01-27

Process for the manufacture of homopolyamide-4,6 fibers

#73
20050004341
2005-01-06

Controlling the crystallization of polyesters by means of their water content

#74
14596591
2015-06-30

Electroactive polymer based supercapacitors including a cathode having BBL or pyr-BBL

#75
14591064
2016-03-22

Thin-film electro devices based on derivatized poly (benzo-isimidazobenzophenanthroline) ladder polymers