characterised by the apparatus used

Industry

CPC
C08G64/205

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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

C08G64/205characterised by the apparatus used

Industries

Patents Grantslast 30 patents

Information Patent Grant
Continuous manufacturing of polyol
- Patent number 12,215,187
- Issue date Feb 4, 2025
- Saudi Arabian Oil Company
- Mohammad S. Alroaithi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polycarbonate
- Patent number 11,879,035
- Issue date Jan 23, 2024
- SABIC GLOBAL TECHNOLOGIES B.V.
- Ignacio Vic Fernandez
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Oligomeriser with improved mixing performance
- Patent number 11,859,048
- Issue date Jan 2, 2024
- SABIC GLOBAL TECHNOLOGIES B.V.
- Surya Prakasa Rao Daliparthi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Ring-opening polymerizations using a flow reactor
- Patent number 11,807,715
- Issue date Nov 7, 2023
- International Business Machines Corporation
- Nathaniel H. Park
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Semi-batch process for making polycarbonate polyols via copolymeriz...
- Patent number 11,566,105
- Issue date Jan 31, 2023
- Dow Global Technologies LLC
- Nima Nikbin
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for producing polycarbonate
- Patent number 11,459,424
- Issue date Oct 4, 2022
- Covestro Deutschland AG
- Jan Heijl
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ring-opening polymerizations using a flow reactor
- Patent number 11,286,341
- Issue date Mar 29, 2022
- International Business Machines Corporation
- Nathaniel H. Park
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polycarbonate based polyols
- Patent number 11,174,348
- Issue date Nov 16, 2021
- Dow Global Technologies LLC
- Nima N. Nikbin
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for producing a polycarbonate using a stripping device
- Patent number 10,881,981
- Issue date Jan 5, 2021
- EPC ENGINEERING & TECHNOLOGIES GMBH
- Michael Streng
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ring-opening polymerizations using a flow reactor
- Patent number 10,815,335
- Issue date Oct 27, 2020
- International Business Machines Corporation
- Nathaniel H. Park
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for preparing poly(ester-carbonate)s and poly(ester-carbona...
- Patent number 10,597,488
- Issue date Mar 24, 2020
- SABIC GLOBAL TECHNOLOGIES B.V.
- Pankaj Singh Gautam
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of forming and using a bisphenol oil stream
- Patent number 10,442,891
- Issue date Oct 15, 2019
- SABIC GLOBAL TECHNOLOGIES B.V.
- Karl Aaron Baro
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
Method for the production of polyether carbonate polyols and device...
- Patent number 10,208,162
- Issue date Feb 19, 2019
- Covestro Deutschland AG
- Stefanie Braun
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for preparing polycarbonates by transesterifying dithiocarb...
- Patent number 10,167,364
- Issue date Jan 1, 2019
- Covestro Deutschland AG
- Thomas Ernst Müller
- 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
Process for producing a high molecular-weight aromatic polycarbonat...
- Patent number 9,822,218
- Issue date Nov 21, 2017
- Mitsubishi Gas Chemical Company, Inc.
- Yoshinori Isahaya
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Continuous solid-state polymerisation device and method
- Patent number 9,649,616
- Issue date May 16, 2017
- LOTTE ADVANCED MATERIALS CO., LTD.
- Sang Kyun Im
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Continuous solid-state polymerization device and method
- Patent number 9,649,617
- Issue date May 16, 2017
- Lotte Advanced Mateirals Co., Ltd.
- Sang Kyun Im
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method and plant for producing polycarbonate
- Patent number 9,410,015
- Issue date Aug 9, 2016
- EPC ENGINEERING CONSULTING GMBH
- Michael Streng
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polycarbonate resins and processes for producing the same
- Patent number 9,382,378
- Issue date Jul 5, 2016
- Mitsubishi Chemical Corporation
- Shingo Namiki
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for continuous production of polycarbonate-polyorganosiloxan...
- Patent number 9,359,473
- Issue date Jun 7, 2016
- Idemitsu Kosan Co., Ltd.
- Yukiko Nagao
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing polycondensation polymer, and polymerizer
- Patent number 9,321,884
- Issue date Apr 26, 2016
- ASAHI KASEI CHEMICALS CORPORATION
- Hiroshi Hachiya
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Interfacial processes for preparing photoactive additives
- Patent number 9,181,390
- Issue date Nov 10, 2015
- SABIC GLOBAL TECHNOLOGIES B.V.
- James Franklin Hoover
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing polyether carbonate polyols with double metal...
- Patent number 9,080,010
- Issue date Jul 14, 2015
- Bayer Intellectual Property GmbH
- Aurel Wolf
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of polyether carbonate polyols
- Patent number 9,062,156
- Issue date Jun 23, 2015
- Bayer Intellectual Property GmbH
- Christoph Gürtler
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polycarbonate resins and processes for producing the same
- Patent number 9,051,420
- Issue date Jun 9, 2015
- Mitsubishi Chemical Corporation
- Shingo Namiki
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Polymerization of high viscosity materials
- Patent number 8,796,401
- Issue date Aug 5, 2014
- Princo Middle East FZE
- Yi-Lin Chu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Production method of polycarbonate
- Patent number 8,629,235
- Issue date Jan 14, 2014
- Mitsubishi Chemical Corporation
- Shingo Namiki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process and apparatus for the preparation of polycarbonate
- Patent number 8,394,912
- Issue date Mar 12, 2013
- Bayer MaterialScience AG
- Frank Doebert
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
AROMATIC POLYCARBONATE, AROMATIC POLYCARBONATE PRODUCTION METHOD, A...
- Publication number 20240368345
- Publication date Nov 7, 2024
- Asahi Kasei Kabushiki Kaisha
- Nobutsugu NAMBA
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Method for Preparing a Polysiloxane-Polycarbonate Block Copolymer U...
- Publication number 20240352189
- Publication date Oct 24, 2024
- COVESTRO DEUTSCHLAND AG
- Ulrich Liesenfelder
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Method for Preparing a Polysiloxane-Polycarbonate Block Copolymer
- Publication number 20240352188
- Publication date Oct 24, 2024
- Kovestro Deutschland AG
- Ulrich Liesenfelder
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
REACTOR AND METHOD FOR THE MANUFACTURE OF POLYCARBONATE
- Publication number 20240254281
- Publication date Aug 1, 2024
- SABIC Global Technologies B.V.
- Gert-Jan Schoenmakers
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR PRODUCING POLYCARBONATE WITH IMPROVED SUSTAINABILITY
- Publication number 20240209146
- Publication date Jun 27, 2024
- COVESTRO DEUTSCHLAND AG
- Andreas Bulan
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
METHOD FOR ASSEMBLING POLYCARBONATE MANUFACTURING APPARATUS AND POL...
- Publication number 20240165577
- Publication date May 23, 2024
- Asahi Kasei Kabushiki Kaisha
- Yusuke SHIGA
- B08 - CLEANING
Information Patent Application
RING-OPENING POLYMERIZATIONS USING A FLOW REACTOR
- Publication number 20240002594
- Publication date Jan 4, 2024
- International Business Machines Corporation
- Nathaniel H. Park
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
CONTINUOUS MANUFACTURING OF POLYOL
- Publication number 20220220252
- Publication date Jul 14, 2022
- Saudi Aramco Technologies Company
- Mohammad S. Alroaithi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR PRODUCING POLYCARBONATE
- Publication number 20210371585
- Publication date Dec 2, 2021
- COVESTRO DEUTSCHLAND AG
- Jan Heijl
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYCARBONATE BASED POLYOLS
- Publication number 20210347940
- Publication date Nov 11, 2021
- DOW GLOBAL TECHNOLOGIES LLC
- Nima Nikbin
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYCARBONATE
- Publication number 20210347939
- Publication date Nov 11, 2021
- SABIC Global Technologies B.V.
- Ignacio VIC FERNANDEZ
- 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
RING-OPENING POLYMERIZATIONS USING A FLOW REACTOR
- Publication number 20200407496
- Publication date Dec 31, 2020
- International Business Machines Corporation
- Nathaniel H. Park
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
OLIGOMERISER WITH IMPROVED MIXING PERFORMANCE
- Publication number 20200148819
- Publication date May 14, 2020
- SABIC Global Technologies B.V.
- Surya Prakasa Rao Daliparthi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
RING-OPENING POLYMERIZATIONS USING A FLOW REACTOR
- Publication number 20200010610
- Publication date Jan 9, 2020
- International Business Machines Corporation
- Nathaniel H. Park
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
SEMI-BATCH PROCESS FOR MAKING POLYCARBONATE POLYOLS VIA COPOLYMERIZ...
- Publication number 20190309126
- Publication date Oct 10, 2019
- DOW GLOBAL TECHNOLOGIES LLC
- Nima Nikbin
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR PRODUCING A POLYCARBONATE USING A STRIPPING DEVICE
- Publication number 20190209946
- Publication date Jul 11, 2019
- EPC ENGINEERING & TECHNOLOGIES GMBH
- Michael Streng
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESS FOR PREPARING POLY(ESTER-CARBONATE)S AND POLY(ESTER-CARBONA...
- Publication number 20180362706
- Publication date Dec 20, 2018
- SABIC Global Technologies B.V.
- Pankaj Singh Gautam
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD OF FORMING AND USING A BISPHENOL OIL STREAM
- Publication number 20180319932
- Publication date Nov 8, 2018
- SABIC Global Technologies B.V.
- Karl Aaron Baro
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS 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
PROCESS FOR PREPARING POLYCARBONATES BY TRANSESTERIFYING DITHIOCARB...
- Publication number 20180037697
- Publication date Feb 8, 2018
- COVESTRO DEUTSCHLAND AG
- Thomas Ernst MÜLLER
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Method for the Production of Polyether Carbonate Polyols and Device...
- Publication number 20170198092
- Publication date Jul 13, 2017
- COVESTRO DEUTSCHLAND AG
- Stefanie Braun
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
A SYSTEM AND PROCESS FOR PRODUCING VARIOUS MOLECULAR WEIGHT MELT PO...
- Publication number 20170015784
- Publication date Jan 19, 2017
- SABIC Global Technologies B.V.
- Ignacio Vic FERNANDEZ
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESS FOR PRODUCING A HIGH MOLECULAR-WEIGHT AROMATIC POLYCARBONAT...
- Publication number 20160272757
- Publication date Sep 22, 2016
- Mitsubishi Gas Chemical Company, Inc.
- Yoshinori ISAHAYA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Continuous Solid-State Polymerisation Device and Method
- Publication number 20160144337
- Publication date May 26, 2016
- Samsung SDI Co., Ltd.
- Sang Kyun IM
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Continuous Solid-State Polymerization Device and Method
- Publication number 20160136611
- Publication date May 19, 2016
- Samsung SDI Co., Ltd.
- Sang Kyun IM
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
INTERFACIAL PROCESSES FOR PREPARING PHOTOACTIVE ADDITIVES
- Publication number 20140275449
- Publication date Sep 18, 2014
- SABIC INNOVATIVE PLASTICS IP BV
- James Franklin Hoover
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYCARBONATE RESINS AND PROCESSES FOR PRODUCING THE SAME
- Publication number 20140121348
- Publication date May 1, 2014
- Shingo Namiki
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
PRODUCTION METHOD OF POLYCARBONATE
- Publication number 20130296526
- Publication date Nov 7, 2013
- Shingo NAMIKI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR THE PRODUCTION OF POLYETHER CARBONATE POLYOLS
- Publication number 20130211042
- Publication date Aug 15, 2013
- Bayer Intellectual Property GmbH
- Christoph Gürtler
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

characterised by the apparatus used

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Continuous manufacturing of polyol

Polycarbonate

Oligomeriser with improved mixing performance

Ring-opening polymerizations using a flow reactor

Semi-batch process for making polycarbonate polyols via copolymeriz...

Method for producing polycarbonate

Ring-opening polymerizations using a flow reactor

Polycarbonate based polyols

Method for producing a polycarbonate using a stripping device

Ring-opening polymerizations using a flow reactor

Process for preparing poly(ester-carbonate)s and poly(ester-carbona...

Method of forming and using a bisphenol oil stream

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

Method for the production of polyether carbonate polyols and device...

Process for preparing polycarbonates by transesterifying dithiocarb...

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

Process for producing a high molecular-weight aromatic polycarbonat...

Continuous solid-state polymerisation device and method

Continuous solid-state polymerization device and method

Method and plant for producing polycarbonate

Polycarbonate resins and processes for producing the same

Method for continuous production of polycarbonate-polyorganosiloxan...

Process for producing polycondensation polymer, and polymerizer

Interfacial processes for preparing photoactive additives

Process for preparing polyether carbonate polyols with double metal...

Process for the production of polyether carbonate polyols

Polycarbonate resins and processes for producing the same

Polymerization of high viscosity materials

Production method of polycarbonate

Process and apparatus for the preparation of polycarbonate

Patents Applicationslast 30 patents

AROMATIC POLYCARBONATE, AROMATIC POLYCARBONATE PRODUCTION METHOD, A...

Method for Preparing a Polysiloxane-Polycarbonate Block Copolymer U...

Method for Preparing a Polysiloxane-Polycarbonate Block Copolymer

REACTOR AND METHOD FOR THE MANUFACTURE OF POLYCARBONATE

PROCESS FOR PRODUCING POLYCARBONATE WITH IMPROVED SUSTAINABILITY

METHOD FOR ASSEMBLING POLYCARBONATE MANUFACTURING APPARATUS AND POL...

RING-OPENING POLYMERIZATIONS USING A FLOW REACTOR

CONTINUOUS MANUFACTURING OF POLYOL

METHOD FOR PRODUCING POLYCARBONATE

POLYCARBONATE BASED POLYOLS

POLYCARBONATE

PROCESS FOR SEPARATING GASEOUS CONSTITUENTS

RING-OPENING POLYMERIZATIONS USING A FLOW REACTOR

OLIGOMERISER WITH IMPROVED MIXING PERFORMANCE

RING-OPENING POLYMERIZATIONS USING A FLOW REACTOR

SEMI-BATCH PROCESS FOR MAKING POLYCARBONATE POLYOLS VIA COPOLYMERIZ...

METHOD FOR PRODUCING A POLYCARBONATE USING A STRIPPING DEVICE

PROCESS FOR PREPARING POLY(ESTER-CARBONATE)S AND POLY(ESTER-CARBONA...

METHOD OF FORMING AND USING A BISPHENOL OIL STREAM

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

PROCESS FOR PREPARING POLYCARBONATES BY TRANSESTERIFYING DITHIOCARB...

Method for the Production of Polyether Carbonate Polyols and Device...

A SYSTEM AND PROCESS FOR PRODUCING VARIOUS MOLECULAR WEIGHT MELT PO...

PROCESS FOR PRODUCING A HIGH MOLECULAR-WEIGHT AROMATIC POLYCARBONAT...

Continuous Solid-State Polymerisation Device and Method

Continuous Solid-State Polymerization Device and Method

INTERFACIAL PROCESSES FOR PREPARING PHOTOACTIVE ADDITIVES

POLYCARBONATE RESINS AND PROCESSES FOR PRODUCING THE SAME

PRODUCTION METHOD OF POLYCARBONATE

PROCESS FOR THE PRODUCTION OF POLYETHER CARBONATE POLYOLS