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Multistage polymerisation processes characterised by a change in reactor conditions without deactivating the intermediate polymer
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MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
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Processes of polymerisation
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Multistage polymerisation processes characterised by a change in reactor conditions without deactivating the intermediate polymer
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last 30 patents
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Method for preparing styrene-acrylate siloxane interpenetrating pol...
Patent number
12,312,431
Issue date
May 27, 2025
Qingdao University of Technology
Dongshuai Hou
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Patent Grant
Method for preparing direct melt-spun high-viscosity PBAT/low-visco...
Patent number
12,312,710
Issue date
May 27, 2025
JIANGSU GANGHONG FIBER CO., LTD.
Rui Wang
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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Patent Grant
Method for producing a polymeric composition and polymeric composit...
Patent number
12,297,306
Issue date
May 13, 2025
The University of the Basque Country
José Ramón Leiza
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Patent Grant
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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Patent Grant
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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Propylene based polymer composition
Patent number
12,275,837
Issue date
Apr 15, 2025
Basell Poliolefine Italia s.r.l.
Claudio Cavalieri
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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Patent Grant
Polyethylene composition for high pressure resistant pipes with imp...
Patent number
12,258,465
Issue date
Mar 25, 2025
Borealis AG
Yi Liu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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C2C3 random copolymer composition
Patent number
12,258,429
Issue date
Mar 25, 2025
Borealis AG
Jingbo Wang
B32 - LAYERED PRODUCTS
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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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Patent Grant
Random propylene polymer composition and use in extrusion blow moul...
Patent number
12,234,351
Issue date
Feb 25, 2025
Borealis AG
Jingbo Wang
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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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-...
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Patent Grant
Bimodal polyethylene-based composition
Patent number
12,202,956
Issue date
Jan 21, 2025
Dow Global Technologies LLC
Alexander Williamson
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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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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Polyethylene compositions and articles with good barrier properties
Patent number
12,163,012
Issue date
Dec 10, 2024
Nova Chemicals (International) S.A.
XiaoChuan Wang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Aqueous polymer dispersion and process of making the same
Patent number
12,110,394
Issue date
Oct 8, 2024
Dow Global Technologies LLC
Xiangting Dong
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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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-...
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Method for producing polydienes with reduced cold flow
Patent number
12,091,474
Issue date
Sep 17, 2024
Bridgestone Americas Tire Operations, LLC
James J. Kuhel
B60 - VEHICLES IN GENERAL
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Aqueous copolymer dispersions and their use in coating compositions
Patent number
12,071,496
Issue date
Aug 27, 2024
Celanese International Corporation
Kerstin Wenzel
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Polypropylene-ultrahigh-molecular-weight-polyethylene compositions
Patent number
12,071,493
Issue date
Aug 27, 2024
Borealis AG
Pauli Leskinen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Grant
Olefin polymerization method using antistatic agent for metallocene...
Patent number
12,049,526
Issue date
Jul 30, 2024
DL Chemical CO., LTD.
Jang Woo Lee
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Process for polymerizing ethylene in a multi-stage polymerization p...
Patent number
12,043,687
Issue date
Jul 23, 2024
Borealis AG
Apostolos Krallis
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Grant
Devolatilization processes
Patent number
12,030,976
Issue date
Jul 9, 2024
ExxonMobil Engineering & Technology Company
Yu F. Wang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Grant
Process for the preparation of multimodal high density polyethylene
Patent number
12,012,504
Issue date
Jun 18, 2024
Borealis AG
Anh Tuan Tran
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Device and methods to actively control the production of multi-stag...
Patent number
12,012,471
Issue date
Jun 18, 2024
Yokogawa Fluence Analytics, Inc.
Wayne Frederick Reed
G06 - COMPUTING CALCULATING COUNTING
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Patent Grant
Multi-stage polymeric latexes, coating compositions containing such...
Patent number
12,006,380
Issue date
Jun 11, 2024
SWIMC LLC
Robert M. O'Brien
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Patent Grant
Multistage polymer
Patent number
11,976,144
Issue date
May 7, 2024
Dow Global Technologies LLC
Hilda G. Buss
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Grant
Process for the preparation of an UHMWPE homopolymer
Patent number
11,965,052
Issue date
Apr 23, 2024
Borealis AG
Irfan Saeed
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Grant
Ethylene homopolymer having good barrier properties
Patent number
11,958,961
Issue date
Apr 16, 2024
Nova Chemicals (International) S.A.
XiaoChuan Wang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Polyethylene homopolymer compositions having good barrier properties
Patent number
11,958,962
Issue date
Apr 16, 2024
Nova Chemicals (International) S.A.
XiaoChuan Wang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
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Patent Application
POLYETHYLENE PIPE RESIN WITH IMPROVED LONG TERM HYDROSTATIC STRENGTH
Publication number
20250145809
Publication date
May 8, 2025
Abu Dhabi Polymers Co. Ltd. (Borouge) - Sole Proprietorship L.L.C.
Ashish KUMAR
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
FLUORINATED COPOLYMER, COMPOSITION, POWDER COATING MATERIAL, COATED...
Publication number
20250136732
Publication date
May 1, 2025
AGC Inc.
Yuji HARA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Patent Application
OLEFIN-BASED POLYMER
Publication number
20250115692
Publication date
Apr 10, 2025
Sumitomo Chemical Company, Limited
Kohi KUDO
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
MULTIMODAL ETHYLENE-BASED COPOLYMER COMPOSITIONS AND PROCESSES OF P...
Publication number
20250109217
Publication date
Apr 3, 2025
DOW GLOBAL TECHNOLOGIES LLC
Philip P. Fontaine
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
HIGH FLOW POLYPROPYLENE COMPOSITION FOR INJECTION MOULDING APPLICAT...
Publication number
20250109287
Publication date
Apr 3, 2025
Borealis AG
Thomas Lummerstorfer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYETHYLENE COMPOSITIONS
Publication number
20250101211
Publication date
Mar 27, 2025
DOW GLOBAL TECHNOLOGIES LLC
Sanjib Biswas
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
BINDER COMPOSITIONS AND METHODS OF PREPARING AND USING THE SAME
Publication number
20250092177
Publication date
Mar 20, 2025
BASF SE
Kostas S. AVRAMIDIS
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
PELLETIZED ETHYLENE/a-OLEFIN COPOLYMER PRODUCT
Publication number
20250075016
Publication date
Mar 6, 2025
NOVA CHEMICALS (INTERNATIONAL) S.A.
Soheil SADEGHI
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
PROCESS FOR PREPARING LOW MOLECULAR WEIGHT POLYACRYLATES AND PRODUC...
Publication number
20250002614
Publication date
Jan 2, 2025
Evonik Operations GmbH
Sofia Sirak
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHODS OF MAKING BIMODAL POLYETHYLENES
Publication number
20240417492
Publication date
Dec 19, 2024
UNIVATION TECHNOLOGIES, LLC
Bruce J. Savatsky
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Application
PROCESS FOR PREPARING POLYMETHYLMETHACRYLATE CONTAINING HIGH CONCEN...
Publication number
20240417493
Publication date
Dec 19, 2024
ISTITUTO NAZIONALE DI FISICA NUCLEARE
Bianca BOTTINO
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
MULTI-STAGE POLYMERIC LATEXES, COATING COMPOSITIONS CONTAINING SUCH...
Publication number
20240400724
Publication date
Dec 5, 2024
SWIMC LLC
Robert M. O'BRIEN
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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
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Patent Application
OLEFIN POLYMERIZATION CATALYST SYSTEM AND POLYMERIZATION PROCESS
Publication number
20240392044
Publication date
Nov 28, 2024
NOVA CHEMICALS (INTERNATIONAL) S.A.
Darryl MORRISON
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
AQUEOUS COPOLYMER DISPERSIONS AND THEIR USE IN COATING COMPOSITIONS
Publication number
20240368320
Publication date
Nov 7, 2024
CELANESE INTERNATIONAL CORPORATION
Kerstin WENZEL
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
POLYPROPYLENE-ULTRAHIGH-MOLECULAR-WEIGHTS-POLYETHYLENE COMPOSITIONS
Publication number
20240360257
Publication date
Oct 31, 2024
Borealis AG
Pauli Leskinen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR PREPARING OPACIFYING PIGMENT-BINDER HYBRID POLYMER PARTI...
Publication number
20240343838
Publication date
Oct 17, 2024
Rohm and Haas Company
Michael W. Leonard
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESS FOR MODIFYING AN AQUEOUS POLYMER LATEX
Publication number
20240336772
Publication date
Oct 10, 2024
BASF SE
Roelof BALK
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
UTILIZATION OF 1-HEXENE IN MULTI-STAGE POLYOLEFIN PRODUCTION
Publication number
20240317901
Publication date
Sep 26, 2024
Borealis AG
Victor SUMERIN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PREPARATION OF IMPACT MODIFIER WITH IMPROVED FLAMMABILITY
Publication number
20240309126
Publication date
Sep 19, 2024
Rohm and Haas Company
William Rohrbach
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
AQUEOUS DISPERSION OF MULTISTAGE POLYMERIC PARTICLES
Publication number
20240309135
Publication date
Sep 19, 2024
DOW GLOBAL TECHNOLOGIES LLC
Xiaohong Yang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Patent Application
DEVICE AND METHODS TO ACTIVELY CONTROL THE PRODUCTION OF MULTI-STAG...
Publication number
20240309121
Publication date
Sep 19, 2024
YOKOGAWA FLUENCE ANALYTICS, INC.
Wayne Frederick REED
G06 - COMPUTING CALCULATING COUNTING
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
PROCESS FOR PRODUCING POLYETHYLENE POLYMERS
Publication number
20240294682
Publication date
Sep 5, 2024
Borealis AG
Pascal CASTRO
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Application
POLYPROPYLENE COMPOSITION
Publication number
20240279451
Publication date
Aug 22, 2024
Borealis AG
Jingbo WANG
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Application
ETHYLENE-VINYL ALCOHOL COPOLYMER AND PRODUCTIN METHOD FOR ETHYLENE-...
Publication number
20240270886
Publication date
Aug 15, 2024
MITSUBISHI CHEMICAL CORPORATION
Masato AOYAMA
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
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Patent Application
COPOLYMER
Publication number
20240191015
Publication date
Jun 13, 2024
Borealis AG
Luigi Maria Cristoforo RESCONI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...