ClassID:

99429

C08G64/403 - CPC Classification

Classification description:

Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule; Post-polymerisation treatment Recovery of the polymer

Recent Application in this class:
#1
20230272162
2023-08-31

PRODUCING SEMI-CRYSTALLINE PULVERULENT POLYCARBONATE AND USE THEREOF IN ADDITIVE MANUFACTURING

#2
20230220157
2023-07-13

Producing semi-crystalline pulverulent polycarbonate and use thereof in additive manufacturing

#3
20220220252
2022-07-14

Continuous manufacturing of polyol

#4
20210371617
2021-12-02

Recyclable polymers from environmentally benign building blocks

#5
20210277180
2021-09-09

Producing semi-crystalline pulverulent polycarbonate and use thereof in additive manufacturing

#6
20200325273
2020-10-15

Oligocarbonate polyols obtained from dianhydrohexitol dialkylcarbonate or a dimer of dianhydrohexitol carbonate, method for the production thereof and uses thereof

#7
20180362708
2018-12-20

Aromatic polycarbonate oligomer solid

#8
20180237573
2018-08-23

POLYESTER POLYOLS FROM RECYCLED POLYMERS AND WASTE STREAMS

#9
20170321004
2017-11-09

Filter alignment in a polycarbonate production process

#10
20170275423
2017-09-28

Production method of poly(alkylene carbonate) particles

#11
20160177029
2016-06-23

Thermal enhancement of the purification process for interfacial polycarbonate and copolymer polycarbonates

#12
20160053058
2016-02-25

Polyester polyols from recycled polymers and waste streams

#13
20150024205
2015-01-22

Method of producing polycarbonate-based polymer microparticles comprising contacting an emulsion with a poor solvent, and polycarbonate-based polymer microparticles

#14
20140378651
2014-12-25

Flame-retarding carbon dioxide/epoxide copolymer and method for preparing the same

#15
20120208979
2012-08-16

Flame-retarding carbon dioxide/epoxide copolymer and method for preparing the same

#16
20070225479
2007-09-27

METHOD OF SEPARATING A POLYMER FROM A SOLVENT

#17
20070100118
2007-05-03

Methods for preparing transparent articles from hydroquinone polycarbonate copolymers

#18
20060183881
2006-08-17

Process for the preparation of polymers from polymer slurries

#19
20050239996
2005-10-27

Process for the production of polycarbonate