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characterised by special features of the polymerisation apparatus used
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Processes of polymerisation
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characterised by special features of the polymerisation apparatus used
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last 30 patents
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Patent Grant
Method for the production of superabsorbents
Patent number
12,239,947
Issue date
Mar 4, 2025
BASF SE
Thomas Pfeiffer
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for preparation of polyethylene
Patent number
12,240,963
Issue date
Mar 4, 2025
SABIC GLOBAL TECHNOLOGIES B.V.
Job Daniel Guzman-Carrazco
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymeric materials
Patent number
12,227,601
Issue date
Feb 18, 2025
Innospec Limited
Carl Waterson
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Suspension process for preparing ethylene polymers comprising dryin...
Patent number
12,221,500
Issue date
Feb 11, 2025
Basell Polyolefine GmbH
Peter Rohrbach
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Continuous preparation system of conjugated diene-based polymer
Patent number
12,209,149
Issue date
Jan 28, 2025
LG Chem, Ltd.
Tae Chul Lee
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Ethylene polymerization processes and reactor systems for the produ...
Patent number
12,195,562
Issue date
Jan 14, 2025
Chevron Phillips Chemical Company LP
Joel A. Mutchler
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Enhanced ESCR and ductility bimodal rotomolding resin
Patent number
12,195,564
Issue date
Jan 14, 2025
Nova Chemicals (International) S.A.
Celine Bellehumeur
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Multiple-stage heating for a flashline heater
Patent number
12,173,094
Issue date
Dec 24, 2024
Chevron Phillips Chemical Company LP
Hetian Li
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Olefin-based polymer
Patent number
12,162,967
Issue date
Dec 10, 2024
LG Chem, Ltd.
Sang Eun Park
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Grant
Process for preparing catalysts and catalyst compositions
Patent number
12,152,101
Issue date
Nov 26, 2024
Formosa Plastics Corporation, U.S.A.
Michael D. Jensen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process and apparatus for manufacture of processable polyvinyl alcohol
Patent number
12,139,598
Issue date
Nov 12, 2024
Aquapak IP Limited
John Williams
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Grant
Process for producing polyethylene
Patent number
12,139,564
Issue date
Nov 12, 2024
Sumitomo Chemical Company, Limited
Kensuke Naraki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polypropylene pipe composition
Patent number
12,134,688
Issue date
Nov 5, 2024
Borealis AG
Pauli Leskinen
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Recycle diluent control and optimization for slurry loop polyethyle...
Patent number
12,116,430
Issue date
Oct 15, 2024
ExxonMobil Chemical Patents Inc.
Keith W. Trapp
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Method for the production of superabsorbers
Patent number
12,110,351
Issue date
Oct 8, 2024
BASF SE
Kristine Hartnagel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
High-pressure polymerization process of ethylenically unsaturated m...
Patent number
12,110,349
Issue date
Oct 8, 2024
Basell Polyolefine GmbH
Dieter Littmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Gas-phase process for preparing ethylene polymers
Patent number
12,103,988
Issue date
Oct 1, 2024
Basell Polyolefine GmbH
Giuseppe Penzo
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Device and method for the provision of pressurized medium for injec...
Patent number
12,098,717
Issue date
Sep 24, 2024
Uhde High Pressure Technologies GmbH
Holger Werth
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Systems and techniques for polymer degassing
Patent number
12,098,221
Issue date
Sep 24, 2024
Chevron Phillips Chemical Company LP
Kenneth A. Dooley
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Process for preparation of multimodal polyolefin
Patent number
12,091,475
Issue date
Sep 17, 2024
SABIC GLOBAL TECHNOLOGIES B.V.
Maryam Tamaddoni
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
On-line adjustment of catalysts by trim and olefin polymerization
Patent number
12,091,476
Issue date
Sep 17, 2024
ExxonMobil Chemical Patents Inc.
Kevin A. Stevens
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Grant
Loop slurry reactor cooling processes and systems
Patent number
12,076,700
Issue date
Sep 3, 2024
Chevron Phillips Chemical Company LP
Reza Khankal
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymerization installation with integrated combined absorption-dif...
Patent number
12,076,713
Issue date
Sep 3, 2024
CHEMICAL INNOVATION LTD.
Kamen Yordanov Arsov
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Methods of controlling shutdown of reactor systems
Patent number
12,065,518
Issue date
Aug 20, 2024
ExxonMobil Chemical Patents Inc.
Paul J. Clymans
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Two stage methods for processing adhesives and related compositions
Patent number
12,065,588
Issue date
Aug 20, 2024
Avery Dennison Corporation
Eric L. Bartholomew
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Photopolymerization reaction system including air injection module...
Patent number
12,065,520
Issue date
Aug 20, 2024
LG Chem, Ltd.
Hyo Jung Kim
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for making propylene-based terpolymer
Patent number
12,065,522
Issue date
Aug 20, 2024
SABIC GLOBAL TECHNOLOGIES B.V.
Erik Delsman
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Continuous and modular process for producing water-redispersible po...
Patent number
12,060,444
Issue date
Aug 13, 2024
Wacker Chemie AG
Bernhard Eckl
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
On-line adjustment of mixed catalyst ratio by trim and olefin polym...
Patent number
12,043,679
Issue date
Jul 23, 2024
ExxonMobil Chemical Patents Inc.
Kevin A. Stevens
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Post-treatment method of vinyl chloride-based polymer and closed po...
Patent number
12,037,442
Issue date
Jul 16, 2024
LG Chem, Ltd.
Heung Kwon Bae
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
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Patent Application
Method of Suppressing Plugging in Manufacturing Process of Ethylene...
Publication number
20250059303
Publication date
Feb 20, 2025
SK INNOVATION CO. LTD.
Ho Seong Lee
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
RUBBER-REINFORCED VINYLAROMATIC (CO)POLYMERS AND PROCESS FOR THE PR...
Publication number
20250051560
Publication date
Feb 13, 2025
Versalis S.p.A.
Leonardo CHIEZZI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD TO IMPROVE THE OPTICAL PROPERTIES OF ETHYLENE COPOLYMER COMP...
Publication number
20250043035
Publication date
Feb 6, 2025
NOVA CHEMICALS (INTERNATIONAL) S.A.
Vinod Konaganti
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Processes for Making Polyolefins with Composition Control
Publication number
20250043034
Publication date
Feb 6, 2025
ExxonMobil Technology and Engineering Company
Giriprasath Gururajan
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
HIGH MELT FLOW POLYPROPYLENE COMPOSITION
Publication number
20250026872
Publication date
Jan 23, 2025
Borealis AG
Jingbo Wang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CENTRALIZED HYDROCARBON TREATMENT IN A POLYMER PRODUCTION PROCESS
Publication number
20250019471
Publication date
Jan 16, 2025
Chevron Phillips Chemical Company LP
Reza Khankal
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
UPGRADED DRAFT TUBE FOR OLEFIN FLUIDIZED BED POLYMERIZATION
Publication number
20250019468
Publication date
Jan 16, 2025
SABIC Global Technologies B.V.
Byron Smith John Rajarethnam
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR PREPARING GRAFT COPOLYMER, GRAFT COPOLYMER AND RESIN COM...
Publication number
20250002615
Publication date
Jan 2, 2025
LG CHEM, LTD.
In Seok KIM
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD OF PREPARING VINYL CHLORIDE-BASED POLYMER
Publication number
20250002613
Publication date
Jan 2, 2025
LG CHEM, LTD.
Heung Kwon BAE
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
ETHYLENE POLYMERIZATION PROCESSES AND REACTOR SYSTEMS FOR THE PRODU...
Publication number
20240400729
Publication date
Dec 5, 2024
Chevron Phillips Chemical Company LP
Joel A. Mutchler
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PROCESS FOR PRODUCING A PROPYLENE COPOLYMER
Publication number
20240392043
Publication date
Nov 28, 2024
Borealis AG
Pauli Leskinen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
SYSTEMS AND TECHNIQUES FOR POLYMER DEGASSING
Publication number
20240384010
Publication date
Nov 21, 2024
Chevron Phillips Chemical Company LP
Kenneth A. Dooley
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
DETERMINING THE LIQUID COMPOSITION IN A LOOP SLURRY POLYMERIZATION...
Publication number
20240368313
Publication date
Nov 7, 2024
Chevron Phillips Chemical Company LP
Qing Yang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESS FOR MAKING PROPYLENE-BASED TERPOLYMER
Publication number
20240360256
Publication date
Oct 31, 2024
SABIC Global Technologies B.V.
Erik DELSMAN
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR PRODUCING ALPHA-OLEFIN
Publication number
20240360254
Publication date
Oct 31, 2024
Idemitsu Kosan Co.,Ltd
Ryoichi KOBAYASHI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
GAS PHASE POLYMERIZATION PROCESS WITH IMPROVED GAS RECYCLING
Publication number
20240343839
Publication date
Oct 17, 2024
Borealis AG
Mikka Kuusisto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESS FOR PRODUCING POLYOLEFIN GRANULAR RESIN WITH INCREASED SETT...
Publication number
20240343840
Publication date
Oct 17, 2024
W.R. GRACE & CO.-CONN.
Ping CAI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
IMPROVING CATALYST PERFORMANCE IN MULTI-STAGE POLYOLEFIN PRODUCTION
Publication number
20240294681
Publication date
Sep 5, 2024
Borealis AG
Vasileios KANELLOPOULOS
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
IMPROVED RESIN SYSTEM FOR FOAMING FIRE-RESISTANT COATINGS
Publication number
20240287325
Publication date
Aug 29, 2024
RÖHM GMBH
Bruno Keller
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
HIGH TEMPERATURE BLASTING RESISTANCE ISOTACTIC POLYBUTENE ALLOY AND...
Publication number
20240279452
Publication date
Aug 22, 2024
QINGDAO UNIVERSITY OF SCIENCE AND TECHNOLOGY
Aihua HE
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
SEMICONTINUOUS SUSPENSION POLYMERIZATION OF POLYACRYLATES IN A CAPI...
Publication number
20240262938
Publication date
Aug 8, 2024
Evonik Operations GmbH
David BAILEY
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Two Stage Methods for Processing Adhesives and Related Compositions
Publication number
20240263055
Publication date
Aug 8, 2024
AVERY DENNISON CORPORATION
Eric L. BARTHOLOMEW
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PROCESS FOR PREPARING AN OLEFIN POLYMER COMPRISING WITHDRAWING A GA...
Publication number
20240254264
Publication date
Aug 1, 2024
Basell Polyolefine GmbH
Gerhardus Meier
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Biphasic Polymerization Processes
Publication number
20240239929
Publication date
Jul 18, 2024
EXXONMOBIL CHEMICAL PATENTS INC.
Jun Shi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
FLUIDIC SEAL APPARATUS FOR CONTINUOUS POLYMERIZATION PROCESS
Publication number
20240209123
Publication date
Jun 27, 2024
BRASKEM S.A
Dihogenes Adriano Pozzer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Loop Slurry Reactor Cooling Processes and Systems
Publication number
20240207803
Publication date
Jun 27, 2024
Chevron Phillips Chemical Company LP
Reza Khankal
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
SYSTEMS AND TECHNIQUES FOR HEAT REMOVAL IN GAS PHASE POLYMERIZATION
Publication number
20240199768
Publication date
Jun 20, 2024
Chevron Phillips Chemical Company LP
Joseph A. Curren
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR PRODUCING ETHYLENE POLYMER PREDICTING AND CONTROLLING TH...
Publication number
20240182612
Publication date
Jun 6, 2024
SABIC SK NEXLENE COMPANY PTE. LTD.
Dae Ho Shin
G01 - MEASURING TESTING
Information
Patent Application
REACTOR APPARATUS, VINYL-BASED POLYMER MANUFACTURING METHOD, AND ME...
Publication number
20240109982
Publication date
Apr 4, 2024
Shin-Etsu Chemical Co., Ltd.
Hiroaki SAITO
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
REACTOR APPARATUS, VINYL-BASED POLYMER MANUFACTURING METHOD, CONTRO...
Publication number
20240091734
Publication date
Mar 21, 2024
Shin-Etsu Chemical Co., Ltd.
Toru IDA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL