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characterised by special features of the polymerisation apparatus used
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characterised by special features of the polymerisation apparatus used
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last 30 patents
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Micro-interface strengthening reaction system and method for prepar...
Patent number
12,344,684
Issue date
Jul 1, 2025
NANJING YANCHANG REACTION TECHNOLOGY RESEARCH INSTITUTE CO., LTD.
Zhibing Zhang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Grant
Process for making propylene-based terpolymer
Patent number
12,338,303
Issue date
Jun 24, 2025
SABIC GLOBAL TECHNOLOGIES B.V.
Erik Delsman
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Green, safe and environmentally-friendly process and production equ...
Patent number
12,338,372
Issue date
Jun 24, 2025
New Era Chemical Shan Dong Co., Ltd.
Lefu Xie
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Patent Grant
Propylene polymer resins
Patent number
12,325,764
Issue date
Jun 10, 2025
Braskem America, Inc.
Kimberly Miller McLoughlin
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Olefin-based polymer
Patent number
12,319,761
Issue date
Jun 3, 2025
LG Chem, Ltd.
In Sung Park
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Propylene preliminary polymerization
Patent number
12,319,756
Issue date
Jun 3, 2025
Braskem S.A.
Olavo Martins Junior
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Process and system for collecting catalyst or polymer samples from...
Patent number
12,319,755
Issue date
Jun 3, 2025
Basell Poliolefine Italia s.r.l.
Paolo Capisani
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Polyolefin polymer and polyolefin polymerization system and method
Patent number
12,304,982
Issue date
May 20, 2025
DL Chemical CO., LTD.
Hee Jun Lee
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Polymerization using a spiral heat exchanger
Patent number
12,304,981
Issue date
May 20, 2025
ExxonMobil Engineering & Technology Company
Jay L. Reimers
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Process and a multi-stage reactor assembly for the production of po...
Patent number
12,290,803
Issue date
May 6, 2025
Borealis AG
Apostolos Krallis
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Process for preparing polypropylene with improved recovery
Patent number
12,291,594
Issue date
May 6, 2025
Borealis AG
Christoph Dissauer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Method for preparing modification initiator and apparatus for prepa...
Patent number
12,275,806
Issue date
Apr 15, 2025
LG Chem, Ltd.
Tae Chul Lee
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Process for manufacture of plasticized homopolymeric polyvinyl alco...
Patent number
12,252,607
Issue date
Mar 18, 2025
Aquapak IP Limited
John Williams
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Method for producing vinyl chloride type polymer
Patent number
12,252,564
Issue date
Mar 18, 2025
Shin-Etsu Chemical Co., Ltd.
Hiroshi Fukudome
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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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
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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-...
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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-...
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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-...
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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-...
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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-...
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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-...
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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-...
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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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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-...
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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-...
Patents Applications
last 30 patents
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Patent Application
SURFACE POLYMERIZATION CONTROL
Publication number
20250236691
Publication date
Jul 24, 2025
RadiSurf, Inc.
Nicolaj Inunnguaq Jessen
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Application
GAS-PHASE PROCESS FOR MAKING POLYPROPYLENE RANDOM COPOLYMERS
Publication number
20250235842
Publication date
Jul 24, 2025
W.R. GRACE & CO.-CONN.
Dongsheng LI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Application
PROCESS FOR PRODUCING POLYMERS
Publication number
20250215118
Publication date
Jul 3, 2025
ARLANXEO NETHERLANDS B.V.
Harmen Jan BOONSTRA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Application
RESIN COMPOSITION CONTAINING COPOLYMER, METHOD FOR PRODUCING SAME A...
Publication number
20250215127
Publication date
Jul 3, 2025
DENKA COMPANY LIMITED
Yushun SUN
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Application
METHOD FOR PRODUCING FLUOROPOLYMER AQUEOUS DISPERSION, FLUOROPOLYME...
Publication number
20250171563
Publication date
May 29, 2025
DAIKIN INDUSTRIES, LTD.
Takuya YAMABE
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Process and Apparatus for Manufacture of Processable Polyvinyl Alcohol
Publication number
20250154350
Publication date
May 15, 2025
Aquapak IP Limited
John Williams
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Application
SILICONE IMPACT MODIFIERS USING A ONE-STEP PROCESS
Publication number
20250109228
Publication date
Apr 3, 2025
Rohm and Haas Company
Pu Luo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYOLEFIN POLYMER AND POLYOLEFIN POLYMERIZATION SYSTEM AND METHOD
Publication number
20250092173
Publication date
Mar 20, 2025
DL Chemical CO., LTD.
Hee Jun LEE
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
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-...
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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-...
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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
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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-...
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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
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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-...
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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-...
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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-...
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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-...
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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
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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