ClassID:

99417

C08G64/28 - CPC Classification

Classification description:

Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule; General preparatory processes using halocarbonates and phenols

Recent Application in this class:
#1
20260092167
2026-04-02

AROMATIC POLYCARBONATE RESIN COMPOSITION AND MOLDED ARTICLE THEREOF

#2
20250313665
2025-10-09

POLYCARBONATE WITH PHENOLIC BUILDING BLOCKS AND LOW CHLORINE CONTENT

#3
20240294452
2024-09-05

PROCESS FOR PREPARING BISPHENOL A (BPA) IN THE PRESENCE OF CUMENE

#4
20240002595
2024-01-04

POLYCARBONATE COPOLYMER

#5
20210363327
2021-11-25

STRETCHED FILM, CIRCULARLY POLARIZING PLATE, AND DISPLAY DEVICE

#6
20210332185
2021-10-28

Diol compound, polycarbonate, and preparation method of the same

#7
20210292476
2021-09-23

Polycarbonate and preparation method thereof

#8
20200277462
2020-09-03

Sheet formed from carbon fiber reinforced thermoplastic resin, and production method of said sheet

#9
20200172665
2020-06-04

Sulfur-stabilized copolycarbonates and articles formed therefrom

#10
20190010279
2019-01-10

POLYCARBONATE RESIN, METHOD FOR PRODUCING SAME, MOLDED ARTICLE, SHEET, AND FILM FORMED USING SAME, AND METHOD FOR PRODUCING SAME

#11
20180334537
2018-11-22

Copolycarbonate and composition comprising the same

#12
20170210689
2017-07-27

Bisphenol alternative derived from renewable substituted phenolics and their industrial application

#13
20170183446
2017-06-29

Polymer and compensation film and optical film and display device

#14
20160340196
2016-11-24

Method for starting up and shutting down a phosgene generator

#15
20160289377
2016-10-06

Polycarbonate compositions having enhanced optical properties, methods of making and articles comprising the polycarbonate compositions

#16
20160229954
2016-08-11

Ultraviolet-ray-absorbing polycarbonate

#17
20160032046
2016-02-04

Polycarbonate manufacturing method and polycarbonate

#18
20150299387
2015-10-22

Polycarbonate having high fluidity and method of preparing the same

#19
20150259472
2015-09-17

INTERFACIAL PROCESSES FOR PREPARING PHOTOACTIVE ADDITIVES

#20
20150010859
2015-01-08

Polycarbonate copolymer

#21
20140316077
2014-10-23

Method for continuous production of polycarbonate-polyorganosiloxane copolymer

#22
20140296469
2014-10-02

Continuous production method for polycarbonate-polyorganosiloxane copolymer

#23
20130066037
2013-03-14

Method for producing bischloroformate compound, polycarbonate oligomer having small number of monomers and solution containing bischloroformate compound

#24
20130035441
2013-02-07

Polycarbonate compositions having enhanced optical properties, methods of making and articles comprising the polycarbonate compositions

#25
20120101292
2012-04-26

Method for producing bischloroformate compound, polycarbonate oligomer having small number of monomers and solution containing bischloroformate compound

#26
20070213498
2007-09-13

Copolycarbonates, methods of manufacture, and uses thereof

#27
20070123688
2007-05-31

High glass transition temperature copolycarbonates, methods of manufacture, and uses thereof

#28
20070100113
2007-05-03

Polymers, polymer compositions and method of preparation

#29
20060135662
2006-06-22

Polycarbonates with fluoroalkylene carbonate end groups

#30
20060084822
2006-04-20

Method for the prepration of aliphatic chloroformates

#31
20060029873
2006-02-09

Polycarbonates and photoconductive imaging members

#32
20050176918
2005-08-11

Production of bisphenol a with reduced isomer formation

#33
14692362
2016-12-13

Renewable bisphenols and resins from salicylic acid