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Polymerisation catalysts
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Patents Grants
last 30 patents
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Patent Grant
Aqueous methods for titanating a chromium/silica catalyst with an a...
Patent number
12,365,746
Issue date
Jul 22, 2025
Chevron Phillips Chemical Company LP
Anand Ramanathan
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Controlling long-chain branch content with dual activator-supports
Patent number
12,351,657
Issue date
Jul 8, 2025
Chevron Phillips Chemical Company LP
Max P. McDaniel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Modifications of sulfated bentonites and uses thereof in metallocen...
Patent number
12,351,670
Issue date
Jul 8, 2025
Chevron Phillips Chemical Company LP
Max P. McDaniel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Chromium oxide catalyst for ethylene polymerization
Patent number
12,331,149
Issue date
Jun 17, 2025
SABIC GLOBAL TECHNOLOGIES B.V.
Vugar Aliyev
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
High porosity fluorided silica-coated alumina activator-supports an...
Patent number
12,319,770
Issue date
Jun 3, 2025
Chevron Phillips Chemical Company LP
Max P. McDaniel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Particle size control of silyl chromate catalysts and uses thereof...
Patent number
12,319,774
Issue date
Jun 3, 2025
Chevron Phillips Chemical Company LP
Max P. McDaniel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aqueous methods for titanating a chromium/silica catalyst with an a...
Patent number
12,269,911
Issue date
Apr 8, 2025
Chevron Phillips Chemical Company LP
Anand Ramanathan
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Rapid activation process and activation treatments for chromium cat...
Patent number
12,202,914
Issue date
Jan 21, 2025
Chevron Phillips Chemical Company LP
Max P. McDaniel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
High porosity fluorided silica-coated alumina activator-supports an...
Patent number
12,146,018
Issue date
Nov 19, 2024
Chevron Phillips Chemical Company LP
Max P. McDaniel
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Controlling long-chain branch content with dual activator-supports
Patent number
12,122,857
Issue date
Oct 22, 2024
Chevron Phillips Chemical Company LP
Max P. McDaniel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Aqueous methods for titanating a chromium/silica catalyst with an a...
Patent number
12,077,627
Issue date
Sep 3, 2024
Chevron Phillips Chemical Company LP
Anand Ramanathan
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Processes for preparing metallocene-based catalyst systems with an...
Patent number
12,037,421
Issue date
Jul 16, 2024
Chevron Phillips Chemical Company LP
Qing Yang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Modifications of sulfated bentonites and uses thereof in metallocen...
Patent number
11,999,814
Issue date
Jun 4, 2024
Chevron Phillips Chemical Company LP
Max P. McDaniel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
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-...
Information
Patent Grant
Organometallic complex, catalyst composition employing the same, an...
Patent number
11,958,929
Issue date
Apr 16, 2024
Industrial Technology Research Institute
Chien-Wei Hsu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
High porosity fluorided silica-coated alumina activator-supports an...
Patent number
11,912,809
Issue date
Feb 27, 2024
Chevron Phillips Chemical Company LP
Max P. McDaniel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Processes for preparing metallocene-based catalyst systems with an...
Patent number
11,753,488
Issue date
Sep 12, 2023
Chevron Phillips Chemical Company LP
Qing Yang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of an UHMWPE homopolymer
Patent number
11,680,114
Issue date
Jun 20, 2023
Borealis AG
Irfan Saeed
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Unimodal polyethylene copolymer and film thereof
Patent number
11,649,305
Issue date
May 16, 2023
Univation Technologies, LLC
Bo Liu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Activator-nucleator formulations
Patent number
11,649,301
Issue date
May 16, 2023
Dow Global Technologies LLC
Nitin Borse
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing polyethylene polymers
Patent number
11,208,513
Issue date
Dec 28, 2021
ExxonMobil Chemical Patents Inc.
Corrine L. Brandl
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Amido-benzoquinone catalyst systems and processes thereof
Patent number
11,091,567
Issue date
Aug 17, 2021
ExxonMobil Chemical Patents Inc.
Tzu-Pin Lin
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Gas phase polymerisation of ethylene
Patent number
10,745,495
Issue date
Aug 18, 2020
SABIC GLOBAL TECHNOLOGIES B.V.
Orass Hamed
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Solid MAO composition containing Al2O3 and method for producing same
Patent number
10,730,969
Issue date
Aug 4, 2020
TOSOH FINECHEM CORPORATION
Kentaro Sakai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Catalyst composition comprising fluorided support and processes for...
Patent number
10,717,790
Issue date
Jul 21, 2020
ExxonMobil Chemical Patents Inc.
Xuan Ye
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Olefin polymerization catalyst and method for producing olefin polymer
Patent number
10,301,401
Issue date
May 28, 2019
Japan Polyethylene Corporation
Yohei Konishi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Methods of preparing a catalyst
Patent number
10,287,369
Issue date
May 14, 2019
Chevron Phillips Chemical Company LP
Eric D. Schwerdtfeger
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Chromium-based catalyst compositions for olefin polymerization
Patent number
10,266,618
Issue date
Apr 23, 2019
Univation Technologies, LLC
Kevin J. Cann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Olefin polymerization catalyst and method for producing olefin polymer
Patent number
10,259,891
Issue date
Apr 16, 2019
Japan Polyethylene Corporation
Yohei Konishi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing a polyethylene in at least one continuously s...
Patent number
10,100,135
Issue date
Oct 16, 2018
Total Research and Technology Feluy
Aurelien Vantomme
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
PARTICLE SIZE CONTROL OF SILYL CHROMATE CATALYSTS AND USES THEREOF...
Publication number
20250236687
Publication date
Jul 24, 2025
Chevron Phillips Chemical Company LP
Max P. McDaniel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Metal Bis(Imino) Aryl Compounds and Methods Thereof
Publication number
20250179106
Publication date
Jun 5, 2025
EXXONMOBIL CHEMICAL PATENTS INC.
Irene C. CAI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD OF PREPARING A TITANIUM-MODIFIED CR/SILICA CATALYST
Publication number
20250154295
Publication date
May 15, 2025
Ecovyst Catalyst Technologies LLC
Yatao Rachel HU
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
HIGH POROSITY FLUORIDED SILICA-COATED ALUMINA ACTIVATOR-SUPPORTS AN...
Publication number
20250043037
Publication date
Feb 6, 2025
Chevron Phillips Chemical Company LP
Max P. McDaniel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CONTROLLING LONG-CHAIN BRANCH CONTENT WITH DUAL ACTIVATOR-SUPPORTS
Publication number
20250011481
Publication date
Jan 9, 2025
Chevron Phillips Chemical Company LP
Max P. McDaniel
C07 - ORGANIC CHEMISTRY
Information
Patent Application
AQUEOUS METHODS FOR TITANATING A CHROMIUM/SILICA CATALYST WITH AN A...
Publication number
20240376232
Publication date
Nov 14, 2024
Chevron Phillips Chemical Company LP
Anand Ramanathan
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
OLEFIN POLYMERISATION CATALYST AND PROCESS FOR MANUFACTURING THEREOF
Publication number
20240343842
Publication date
Oct 17, 2024
SABIC Global Technologies B.V.
Yahya Banat
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CO-OLIGOMERIZATION METHOD EMBODIMENTS FOR PRODUCING JET-RANGE OLEFI...
Publication number
20240336713
Publication date
Oct 10, 2024
Battelle Memorial Institute
Karthikeyan Kallupalayam Ramasamy
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
MODIFICATIONS OF SULFATED BENTONITES AND USES THEREOF IN METALLOCEN...
Publication number
20240279366
Publication date
Aug 22, 2024
Chevron Phillips Chemical Company LP
Max P. McDaniel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
HIGH POROSITY FLUORIDED SILICA-COATED ALUMINA ACTIVATOR-SUPPORTS AN...
Publication number
20240150501
Publication date
May 9, 2024
Chevron Phillips Chemical Company LP
Max P. McDaniel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
BIPHENYLPHENOL POLYMERIZATION CATALYSTS
Publication number
20240150502
Publication date
May 9, 2024
DOW GLOBAL TECHNOLOGIES LLC
Ruth Figueroa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
OLEFIN-BASED POLYMER, FILM PREPARED THEREFROM, AND PREPARATION METH...
Publication number
20240132639
Publication date
Apr 25, 2024
Hanwha Solutions Corporation
Jisong JO
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYOLEFIN RESIN PREPARED USING HETEROGENEOUS CATALYST AND METHOD O...
Publication number
20240132636
Publication date
Apr 25, 2024
DL Chemical CO., LTD.
Hee Jun LEE
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Catalysts for Olefin Metathesis, Methods of Preparation, and Proces...
Publication number
20240109984
Publication date
Apr 4, 2024
EXXONMOBIL CHEMICAL PATENTS INC.
Gursu Culcu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
HYBRID CATALYST COMPOSITION, CATALYST COMPRISING SAME, AND METHOD F...
Publication number
20240101728
Publication date
Mar 28, 2024
Hanwha Solutions Corporation
Junho SEO
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
AQUEOUS METHODS FOR TITANATING A CHROMIUM/SILICA CATALYST WITH AN A...
Publication number
20240084052
Publication date
Mar 14, 2024
Chevron Phillips Chemical Company LP
Anand Ramanathan
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
SUPPORTED METALLOCENE CATALYST, METHOD FOR PREPARING THE SAME, AND...
Publication number
20240076422
Publication date
Mar 7, 2024
NATIONAL CHUNG CHENG UNIVERSITY
Jing-Cherng TSAI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CATALYST COMPONENT FOR ZIEGLER-NATTA OLEFIN POLYMERISATION CATALYST...
Publication number
20240059804
Publication date
Feb 22, 2024
SABIC Global Technologies B.V.
Emad ABDEL HADI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
TRANSITION METAL COMPOUND, CATALYST COMPRISING SAME, AND METHOD FOR...
Publication number
20240010760
Publication date
Jan 11, 2024
Hanwha Solutions Corporation
Won Jong LEE
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
OLEFIN-BASED POLYMER, FILM PREPARED THEREFROM, AND PREPARATION METH...
Publication number
20230416426
Publication date
Dec 28, 2023
Hanwha Solutions Corporation
Ui Gap JOUNG
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESSES FOR PREPARING METALLOCENE-BASED CATALYST SYSTEMS WITH AN...
Publication number
20230416423
Publication date
Dec 28, 2023
Chevron Phillips Chemical Company LP
Qing Yang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
OLEFIN-BASED POLYMER, FILM PREPARED THEREFROM, AND PREPARATION METH...
Publication number
20230416427
Publication date
Dec 28, 2023
Hanwha Solutions Corporation
Munhee LEE
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
HIGH POROSITY FLUORIDED SILICA-COATED ALUMINA ACTIVATOR-SUPPORTS AN...
Publication number
20230391897
Publication date
Dec 7, 2023
Chevron Phillips Chemical Company LP
Max P. McDaniel
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
AQUEOUS METHODS FOR TITANATING A CHROMIUM/SILICA CATALYST WITH AN A...
Publication number
20230340166
Publication date
Oct 26, 2023
Chevron Phillips Chemical Company LP
Anand Ramanathan
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Supported Catalyst Systems and Processes for Use Thereof
Publication number
20230322972
Publication date
Oct 12, 2023
EXXONMOBIL CHEMICAL PATENTS INC.
Matthew W. HOLTCAMP
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CATALYSTS FOR HYDROGENATION OF AROMATIC CONTAINING POLYMERS AND USE...
Publication number
20230265221
Publication date
Aug 24, 2023
SABIC Global Technologies B.V.
Liheng WU
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
ORGANOMETALLIC COMPLEX, CATALYST COMPOSITION EMPLOYING THE SAME, AN...
Publication number
20230203211
Publication date
Jun 29, 2023
Industrial Technology Research Institute
Chien-Wei HSU
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
MODIFICATIONS OF SULFATED BENTONITES AND USES THEREOF IN METALLOCEN...
Publication number
20230192909
Publication date
Jun 22, 2023
Chevron Phillips Chemical Company LP
Max P. McDaniel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Supported Non-Coordinating Anion Activators, Use Thereof, and Produ...
Publication number
20230002514
Publication date
Jan 5, 2023
EXXONMOBIL CHEMICAL PATENTS INC.
Charles J. Harlan
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CHROMIUM OXIDE CATALYST FOR ETHYLENE POLYMERIZATION
Publication number
20220127388
Publication date
Apr 28, 2022
SABIC Global Technologies B.V.
Vugar ALIYEV
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...