Purifying; Drying

Industry

CPC
C08G64/406

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Parent Industries

CCHEMISTRY METALLURGY C08Organic compounds C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS C08G64/00Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule

Current Industry

C08G64/406Purifying; Drying

Industries

Patents Grantslast 30 patents

Information Patent Grant
Purification process for polyether-carbonate polyols
- Patent number 12,146,027
- Issue date Nov 19, 2024
- Dow Global Technologies LLC
- Marinus A. Bigi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for preparing granular polycarbonate
- Patent number 12,054,583
- Issue date Aug 6, 2024
- LG Chem, Ltd.
- Hyunju Kim
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation method of polyalkylene carbonate
- Patent number 11,859,049
- Issue date Jan 2, 2024
- LG Chem, Ltd.
- Woosung Hwang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for quenching a polymerisation process
- Patent number 11,613,606
- Issue date Mar 28, 2023
- Econic Technologies Ltd.
- Michael Kember
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing a polycarbonate using an organic solvent base...
- Patent number 11,149,116
- Issue date Oct 19, 2021
- Covestro Deutschland AG
- Jan Heijl
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for treating solvent in wastewater
- Patent number 11,097,963
- Issue date Aug 24, 2021
- LG Chem, Ltd.
- Youna Kim
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method for purifying polyalkylene carbonate
- Patent number 10,975,196
- Issue date Apr 13, 2021
- LG Chem, Ltd.
- Seung Young Park
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for separating propylene carbonate in preparing process of p...
- Patent number 10,822,324
- Issue date Nov 3, 2020
- Posco
- Joon-Hyun Baik
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for dewatering a polymer and the polymer made therefrom
- Patent number 10,689,492
- Issue date Jun 23, 2020
- SABIC GLOBAL TECHNOLOGIES B.V.
- Pieter Jan Antoon Janssen
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Aromatic polycarbonate oligomer solid
- Patent number 10,662,286
- Issue date May 26, 2020
- Honchu Chemical Industry Co., Ltd.
- Mitsutaka Ozaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for preparing polycarbonate
- Patent number 10,538,620
- Issue date Jan 21, 2020
- LG Chem, Ltd.
- Un Ko
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for preparing polycarbonate
- Patent number 10,494,478
- Issue date Dec 3, 2019
- LG Chem, Ltd.
- Un Ko
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation of robust polythioaminal carriers
- Patent number 10,457,772
- Issue date Oct 29, 2019
- International Business Machines Corporation
- Dylan J. Boday
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method of preparing polyalkylene carbonate resin
- Patent number 10,457,773
- Issue date Oct 29, 2019
- LG Chem, Ltd.
- Jung Min Sohn
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ultra-high purity polycarbonates having good inherent color and the...
- Patent number 10,435,507
- Issue date Oct 8, 2019
- Covestro Deutschland AG
- Thomas Koenig
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for purifying polycarbonate polyols and purifying apparatus...
- Patent number 10,421,836
- Issue date Sep 24, 2019
- Covestro Deutschland AG
- Jörg Hofmann
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Drying methods
- Patent number 10,406,494
- Issue date Sep 10, 2019
- SABIC GLOBAL TECHNOLOGIES B.V.
- Pankaj Singh Gautam
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Enhanced polycarbonate extrusion grades
- Patent number 10,150,855
- Issue date Dec 11, 2018
- SABIC GLOBAL TECHNOLOGIES B.V.
- Marco Roncaglia
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for producing polycarbonate
- Patent number 9,988,490
- Issue date Jun 5, 2018
- Idemitsu Kosan Co., Ltd.
- Yukiko Nagao
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Aliphatic polycarbonate quench method
- Patent number 9,868,816
- Issue date Jan 16, 2018
- Saudi Aramco Technologies Company
- Scott D. Allen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polycarbonate-polyorganosiloxane copolymer and method for continuou...
- Patent number 9,850,351
- Issue date Dec 26, 2017
- Idemitsu Kosan Co., Ltd.
- Yukiko Nagao
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ultra-high purity polycarbonates having good inherent color and the...
- Patent number 9,828,464
- Issue date Nov 28, 2017
- Covestro Deutschland AG
- Thomas König
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Filter alignment in a polycarbonate production process
- Patent number 9,796,813
- Issue date Oct 24, 2017
- SABIC GLOBAL TECHNOLOGIES B.V.
- Ignacio Vic Fernandez
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Low shear process for polycarbonate purification
- Patent number 9,617,381
- Issue date Apr 11, 2017
- SABIC GLOBAL TECHNOLOGIES B.V.
- Pankaj Singh Gautam
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermal enhancement of the purification process for interfacial pol...
- Patent number 9,617,380
- Issue date Apr 11, 2017
- SABIC GLOBAL TECHNOLOGIES B.V.
- William E. Hollar
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the purification of polycarbonate
- Patent number 9,617,382
- Issue date Apr 11, 2017
- SABIC GLOBAL TECHNOLOGIES B.V.
- William E. Hollar
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of producing polycarbonate-based polymer microparticles comp...
- Patent number 9,567,443
- Issue date Feb 14, 2017
- Toray Industries, Inc.
- Itaru Asano
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Process for purification of polyether carbonate polyols
- Patent number 9,527,958
- Issue date Dec 27, 2016
- Covestro LLC
- Peter Uthe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aromatic polycarbonate resin composition
- Patent number 9,428,608
- Issue date Aug 30, 2016
- Mitsubishi Gas Chemical Company, Inc.
- Yoshinori Isahaya
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Flame-retarding carbon dioxide/epoxide copolymer and method for pre...
- Patent number 9,371,420
- Issue date Jun 21, 2016
- SK Innovation Co., Ltd.
- Jisu Jeong
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR QUENCHING A POLYMERISATION PROCESS
- Publication number 20220185956
- Publication date Jun 16, 2022
- Econic Technologies LTD.
- Michael Kember
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
AROMATIC POLYCARBONATE RESIN COMPOSITION AND AROMATIC POLYCARBONATE...
- Publication number 20220177646
- Publication date Jun 9, 2022
- Mitsubishi Gas Chemical Company, Inc.
- Yoshinori ISAHAYA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESS FOR PRODUCING DIOL
- Publication number 20220112172
- Publication date Apr 14, 2022
- Covestro Intellectual Property GmbH & Co. KG
- Hartmut Nefzger
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PURIFICATION PROCESS FOR POLYETHER-CARBONATE POLYOLS
- Publication number 20220089813
- Publication date Mar 24, 2022
- DOW GLOBAL TECHNOLOGIES LLC
- Marinus A. Bigi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Method for Preparing Granular Polycarbonate
- Publication number 20220025113
- Publication date Jan 27, 2022
- LG CHEM, LTD.
- Hyunju Kim
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PREPARATION METHOD OF POLYALKYLENE CARBONATE
- Publication number 20210340318
- Publication date Nov 4, 2021
- LG CHEM, LTD.
- Woosung HWANG
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESS FOR SEPARATING GASEOUS CONSTITUENTS
- Publication number 20210277181
- Publication date Sep 9, 2021
- Matthias Wohak
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR SEPARATING ORGANIC ZINC CATALYST USING FILTERING MEMBRANE
- Publication number 20210253790
- Publication date Aug 19, 2021
- LG CHEM, LTD.
- Kyung Min MIN
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESS FOR PRODUCING POLYOL
- Publication number 20210171426
- Publication date Jun 10, 2021
- Covestro Intellectual Property GmbH & Co. KG
- Hartmut Nefzger
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR PRODUCING A POLYCARBONATE USING AN ORGANIC SOLVENT BASE...
- Publication number 20210163679
- Publication date Jun 3, 2021
- COVESTRO DEUTSCHLAND AG
- Jan Heijl
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR TREATING SOLVENT IN WASTEWATER
- Publication number 20200317540
- Publication date Oct 8, 2020
- LG CHEM, LTD.
- Youna KIM
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR PURIFYING POLYALKYLENE CARBONATE
- Publication number 20200010616
- Publication date Jan 9, 2020
- LG CHEM, LTD.
- Seung Young PARK
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Method for Separating Propylene Carbonate in Preparing Process of P...
- Publication number 20190315706
- Publication date Oct 17, 2019
- POSCO
- Joon-Hyun Baik
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR PREPARING POLYCARBONATE
- Publication number 20190085122
- Publication date Mar 21, 2019
- LG CHEM, LTD.
- Un KO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PREPARATION OF ROBUST POLYTHIOAMINAL CARRIERS
- Publication number 20190077909
- Publication date Mar 14, 2019
- International Business Machines Corporation
- Dylan J. BODAY
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METHOD FOR DEWATERING A POLYMER AND THE POLYMER MADE THEREFROM
- Publication number 20180112043
- Publication date Apr 26, 2018
- SABIC Global Technologies B.V.
- Pieter Jan Antoon Janssen
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
ULTRA-HIGH PURITY POLYCARBONATES HAVING GOOD INHERENT COLOR AND THE...
- Publication number 20180105644
- Publication date Apr 19, 2018
- COVESTRO DEUTSCHLAND AG
- Thomas Koenig
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
IMPROVED DRYING METHODS
- Publication number 20180065098
- Publication date Mar 8, 2018
- SABIC GLOBAL TECHNOLOGIES B.V.
- Pankaj Singh GAUTAM
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
POLYCARBONATE-POLYORGANOSILOXANE COPOLYMER PRODUCTION METHOD
- Publication number 20170327639
- Publication date Nov 16, 2017
- Idemitsu Kosan Co., Ltd.
- Kenji SASAKI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
FILTER ALIGNMENT IN A POLYCARBONATE PRODUCTION PROCESS
- Publication number 20170321004
- Publication date Nov 9, 2017
- SABIC Global Technologies B.V.
- Ignacio Vic Fernandez
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR PRODUCING POLYCARBONATE
- Publication number 20170198091
- Publication date Jul 13, 2017
- Idemitsu Kosan Co., Ltd.
- Yukiko NAGAO
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Process for Purifying Polycarbonate Polyols and Purifying Apparatus...
- Publication number 20170152345
- Publication date Jun 1, 2017
- COVESTRO DEUTSCHLAND AG
- Jörg Hofmann
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHODS USEFUL FOR RECOVERING POLYMERS FROM ELECTRONIC AND OTHER WA...
- Publication number 20170022346
- Publication date Jan 26, 2017
- George S. Weeden
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
LOW SHEAR PROCESS FOR POLYCARBONATE PURIFICATION
- Publication number 20160168322
- Publication date Jun 16, 2016
- SABIC Global Technologies B.V.
- Pankaj Singh Gautam
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESS FOR THE PURIFICATION OF POLYCARBONATE
- Publication number 20160168323
- Publication date Jun 16, 2016
- SABIC Global Technologies B.V.
- William E. Hollar
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESS FOR PURIFICATION OF POLYETHER CARBONATE POLYOLS
- Publication number 20150315337
- Publication date Nov 5, 2015
- Bayer MaterialScience LLC
- Peter Uthe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
AROMATIC POLYCARBONATE RESIN COMPOSITION
- Publication number 20150284509
- Publication date Oct 8, 2015
- Mitsubishi Gas Chemical Company, Inc.
- Yoshinori Isahaya
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Flame-Retarding Carbon Dioxide/Epoxide Copolymer and Method for Pre...
- Publication number 20140378651
- Publication date Dec 25, 2014
- Jisu Jeong
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYCARBONATE PREPARATION METHOD
- Publication number 20140350198
- Publication date Nov 27, 2014
- WANHUA CHEMICAL GROUP CO., LTD.
- Lei Zhang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR PRODUCING POLYMER, AND POLYMER PRODUCT
- Publication number 20140213754
- Publication date Jul 31, 2014
- Taichi NEMOTO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Purifying; Drying

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Purification process for polyether-carbonate polyols

Method for preparing granular polycarbonate

Preparation method of polyalkylene carbonate

Method for quenching a polymerisation process

Process for producing a polycarbonate using an organic solvent base...

Method for treating solvent in wastewater

Method for purifying polyalkylene carbonate

Method for separating propylene carbonate in preparing process of p...

Method for dewatering a polymer and the polymer made therefrom

Aromatic polycarbonate oligomer solid

Method for preparing polycarbonate

Method for preparing polycarbonate

Preparation of robust polythioaminal carriers

Method of preparing polyalkylene carbonate resin

Ultra-high purity polycarbonates having good inherent color and the...

Process for purifying polycarbonate polyols and purifying apparatus...

Drying methods

Enhanced polycarbonate extrusion grades

Method for producing polycarbonate

Aliphatic polycarbonate quench method

Polycarbonate-polyorganosiloxane copolymer and method for continuou...

Ultra-high purity polycarbonates having good inherent color and the...

Filter alignment in a polycarbonate production process

Low shear process for polycarbonate purification

Thermal enhancement of the purification process for interfacial pol...

Process for the purification of polycarbonate

Method of producing polycarbonate-based polymer microparticles comp...

Process for purification of polyether carbonate polyols

Aromatic polycarbonate resin composition

Flame-retarding carbon dioxide/epoxide copolymer and method for pre...

Patents Applicationslast 30 patents

METHOD FOR QUENCHING A POLYMERISATION PROCESS

AROMATIC POLYCARBONATE RESIN COMPOSITION AND AROMATIC POLYCARBONATE...

PROCESS FOR PRODUCING DIOL

PURIFICATION PROCESS FOR POLYETHER-CARBONATE POLYOLS

Method for Preparing Granular Polycarbonate

PREPARATION METHOD OF POLYALKYLENE CARBONATE

PROCESS FOR SEPARATING GASEOUS CONSTITUENTS

METHOD FOR SEPARATING ORGANIC ZINC CATALYST USING FILTERING MEMBRANE

PROCESS FOR PRODUCING POLYOL

PROCESS FOR PRODUCING A POLYCARBONATE USING AN ORGANIC SOLVENT BASE...

METHOD FOR TREATING SOLVENT IN WASTEWATER

METHOD FOR PURIFYING POLYALKYLENE CARBONATE

Method for Separating Propylene Carbonate in Preparing Process of P...

METHOD FOR PREPARING POLYCARBONATE

PREPARATION OF ROBUST POLYTHIOAMINAL CARRIERS

METHOD FOR DEWATERING A POLYMER AND THE POLYMER MADE THEREFROM

ULTRA-HIGH PURITY POLYCARBONATES HAVING GOOD INHERENT COLOR AND THE...

IMPROVED DRYING METHODS

POLYCARBONATE-POLYORGANOSILOXANE COPOLYMER PRODUCTION METHOD

FILTER ALIGNMENT IN A POLYCARBONATE PRODUCTION PROCESS

METHOD FOR PRODUCING POLYCARBONATE

Process for Purifying Polycarbonate Polyols and Purifying Apparatus...

METHODS USEFUL FOR RECOVERING POLYMERS FROM ELECTRONIC AND OTHER WA...

LOW SHEAR PROCESS FOR POLYCARBONATE PURIFICATION

PROCESS FOR THE PURIFICATION OF POLYCARBONATE

PROCESS FOR PURIFICATION OF POLYETHER CARBONATE POLYOLS

AROMATIC POLYCARBONATE RESIN COMPOSITION

Flame-Retarding Carbon Dioxide/Epoxide Copolymer and Method for Pre...

POLYCARBONATE PREPARATION METHOD

METHOD FOR PRODUCING POLYMER, AND POLYMER PRODUCT