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containing at least one cyclopentadienyl ring, condensed or not
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C08F4/6592
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CHEMISTRY METALLURGY
C08
Organic compounds
C08F
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
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Polymerisation catalysts
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C08F4/6592
containing at least one cyclopentadienyl ring, condensed or not
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Patents Grants
last 30 patents
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Patent Grant
Method for preparing high viscosity index poly-alpha-olefin
Patent number
12,365,848
Issue date
Jul 22, 2025
China Petroleum and Chemical Corporation
Zhaolin Yin
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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
Broad orthogonal distribution polyethylenes for films
Patent number
12,344,686
Issue date
Jul 1, 2025
ExxonMobil Chemical Patents Inc.
Matthew W. Holtcamp
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymerization of ethylene in solution processes using a Ziegler-Na...
Patent number
12,344,695
Issue date
Jul 1, 2025
Dow Global Technologies LLC
Linfeng Chen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process to produce low viscosity polyalphaolefins using non-aromati...
Patent number
12,344,696
Issue date
Jul 1, 2025
ExxonMobil Chemical Patents Inc.
Jo Ann M. Canich
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Metallocenes and methods thereof
Patent number
12,338,257
Issue date
Jun 24, 2025
ExxonMobil Chemical Patents Inc.
Matthew W. Holtcamp
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Bimodal catalyst systems
Patent number
12,338,301
Issue date
Jun 24, 2025
Dow Global Technologies LLC
Andrew J. Young
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
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-...
Information
Patent Grant
Catalysts
Patent number
12,319,772
Issue date
Jun 3, 2025
Borealis AG
Luigi Maria Cristoforo Resconi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Preparation of catalyst system
Patent number
12,312,368
Issue date
May 27, 2025
Borealis AG
Alexander Reznichenko
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
High propylene content EP having low glass transition temperatures
Patent number
12,305,028
Issue date
May 20, 2025
ExxonMobil Engineering & Technology Company
Zhifeng Bai
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Ethylene-based copolymer and propylene-alpha-olefin-diene compositi...
Patent number
12,305,027
Issue date
May 20, 2025
ExxonMobil Engineering & Technology Company
Zhifeng Bai
B60 - VEHICLES IN GENERAL
Information
Patent Grant
High productivity polymerization with aryloxy ether ligand catalyst
Patent number
12,297,303
Issue date
May 13, 2025
Nova Chemicals (International) S.A.
Qinyan Wang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Catalyst composition and method for preparing polyethylene
Patent number
12,297,304
Issue date
May 13, 2025
Chevron Philips Chemical Company LP
Graham R. Lief
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Biaryl hydroxythiophene group IV transition metal polymerization wi...
Patent number
12,297,311
Issue date
May 13, 2025
Dow Global Technologies LLC
Andrew M. Camelio
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Compounds for use in catalyst compositions for the production of po...
Patent number
12,291,593
Issue date
May 6, 2025
SABIC GLOBAL TECHNOLOGIES B.V.
Nicolaas Hendrika Friederichs
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Raised temperature resistant pipes comprising an ethylene-based pol...
Patent number
12,287,055
Issue date
Apr 29, 2025
SABIC GLOBAL TECHNOLOGIES B.V.
Yahya Banat
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Method for producing metallocene-supported catalyst and metallocene...
Patent number
12,286,505
Issue date
Apr 29, 2025
LG Chem, Ltd.
Yong Woo Kwon
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Tires comprising rubber compounds that comprise propylene-α-olefin-...
Patent number
12,281,221
Issue date
Apr 22, 2025
ExxonMobil Engineering & Technology Company
Eric J. Wamsley
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Dual metallocene polyethylene with improved processability for ligh...
Patent number
12,275,809
Issue date
Apr 15, 2025
Chevron Phillips Chemical Company LP
Jeremy M. Praetorius
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Hybrid supported metallocene catalyst and method for preparing poly...
Patent number
12,258,432
Issue date
Mar 25, 2025
LG Chem, Ltd.
Sanghoon Lee
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
C2C3 random copolymer composition
Patent number
12,258,429
Issue date
Mar 25, 2025
Borealis AG
Jingbo Wang
B32 - LAYERED PRODUCTS
Information
Patent Grant
Transition metal compound for a catalyst for olefin polymerization,...
Patent number
12,258,433
Issue date
Mar 25, 2025
Hanwha Solutions Corporation
Seongyeon Park
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Processes for preparing metallocene-based catalyst systems for the...
Patent number
12,240,933
Issue date
Mar 4, 2025
Chevron Phillips Chemical Company LP
Qing Yang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Dual catalyst system for producing LLDPE and MDPE copolymers with l...
Patent number
12,240,964
Issue date
Mar 4, 2025
Chevron Phillips Chemical Company LP
Errun Ding
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polypropylene-based composite
Patent number
12,240,967
Issue date
Mar 4, 2025
LG Chem, Ltd.
Sang Eun Park
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Blow molding polymers with improved cycle time, processability, and...
Patent number
12,234,348
Issue date
Feb 25, 2025
Chevron Phillips Chemical Company LP
Carlos A. Cruz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Transition metal compound and catalyst composition comprising same
Patent number
12,234,252
Issue date
Feb 25, 2025
LG Chem, Ltd.
Jae Kwon Jang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalyst for olefin polymerization and polyolefin prepared using th...
Patent number
12,221,499
Issue date
Feb 11, 2025
Hanwha Solutions Corporation
Yujeong Jeong
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Tetraarylborate compound, catalyst composition comprising same, and...
Patent number
12,221,509
Issue date
Feb 11, 2025
SABIC SK NEXLENE COMPANY PTE. LTD.
Dongcheol Shin
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
CATALYST COMPOSITION AND METHOD FOR PREPARING POLYETHYLENE
Publication number
20250236692
Publication date
Jul 24, 2025
Chevron Phillips Chemical Company LP
Graham R. Lief
C07 - ORGANIC CHEMISTRY
Information
Patent Application
POLYETHYLENE POWDER AND METHOD FOR PRODUCING SAME, AND CATALYST FOR...
Publication number
20250215120
Publication date
Jul 3, 2025
Asahi Kasei Kabushiki Kaisha
Naoya Okitsu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
DUAL METALLOCENE POLYETHYLENE WITH IMPROVED PROCESSABILITY FOR LIGH...
Publication number
20250206858
Publication date
Jun 26, 2025
Chevron Phillips Chemical Company LP
Jeremy M. Praetorius
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
ETHYLENE/ALPHA-OLEFIN COPOLYMER AND METHOD FOR PREPARING SAME
Publication number
20250206860
Publication date
Jun 26, 2025
DL Chemical CO., LTD.
In Sung CHUN
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Hybrid Metallocene Catalyst and Method for Preparing Polyethylene U...
Publication number
20250144607
Publication date
May 8, 2025
LG CHEM, LTD.
Byung Seok Kim
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PROPYLENE-BUTENE RANDOM COPOLYMER COMPOSITION WITH LOW EXTRACTABLE...
Publication number
20250129190
Publication date
Apr 24, 2025
Borealis AG
Jingbo Wang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CYCLIC OLEFIN COPOLYMER, AND METHOD FOR PRODUCING CYCLIC OLEFIN COP...
Publication number
20250129192
Publication date
Apr 24, 2025
Polyplastics Co., Ltd.
Yu MIYAGI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYETHYLENE BLEND FOR A FILM LAYER
Publication number
20250115748
Publication date
Apr 10, 2025
Borealis AG
Jingbo WANG
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYOLEFIN COMPOSITIONS FEATURING IN SITU BLENDING OF AN OIL EXTENSION
Publication number
20250101156
Publication date
Mar 27, 2025
ExxonMobil Technology and Engineering Company
Peijun Jiang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CYCLIC OLEFIN COPOLYMER, AND METHOD FOR PRODUCING CYCLIC OLEFIN COP...
Publication number
20250101160
Publication date
Mar 27, 2025
Polyplastics Co., Ltd.
Yu MIYAGI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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
CATALYST FOR OLEFIN POLYMERIZATION INCLUDING HYBRID CATALYST COMPOS...
Publication number
20250043038
Publication date
Feb 6, 2025
Hanwha Solutions Corporation
Hye Ran PARK
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
POLYOLEFIN HAVING EXCELLENT PROCESSABILITY AND PROCESS FOR PREPARIN...
Publication number
20250019474
Publication date
Jan 16, 2025
Hanwha Solutions Corporation
Ahreum KIM
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
ETHYLENE/1-HEXENE COPOLYMERS
Publication number
20240400733
Publication date
Dec 5, 2024
DOW GLOBAL TECHNOLOGIES LLC
Bo Liu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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
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
BIMODAL POLY(ETHYLENE-CO-1-ALKENE) COPOLYMER AND BLOW-MOLDED INTERM...
Publication number
20240376236
Publication date
Nov 14, 2024
UNIVATION TECHNOLOGIES, LLC
Elva L. Lugo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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
BRANCHED PROPYLENE-BASED POLYMER
Publication number
20240352164
Publication date
Oct 24, 2024
JAPAN POLYPROPYLENE CORPORATION
Masaaki ITO
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
POLYETHYLENE COPOLYMER FOR A FILM LAYER
Publication number
20240336714
Publication date
Oct 10, 2024
Borealis AG
Jingbo WANG
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METALLOCENE COMPOUND, AND PREPARATION METHOD AND APPLICATION THEREOF
Publication number
20240336645
Publication date
Oct 10, 2024
Petrochina Company Limited
Yulong WANG
C07 - ORGANIC CHEMISTRY
Information
Patent Application
POLYMERS OF VINYLCYCLOBUTANE AND PROCESSES FOR MAKING SAME
Publication number
20240317905
Publication date
Sep 26, 2024
EXXONMOBIL CHEMICAL PATENTS INC.
Nikola S. Lambic
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Dual Catalyst System for Producing LLDPE and MDPE Copolymers with L...
Publication number
20240301185
Publication date
Sep 12, 2024
Chevron Phillips Chemical Company LP
Errun Ding
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
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-...
Information
Patent Application
Polyethylene and Its Chlorinated Polyethylene
Publication number
20240294680
Publication date
Sep 5, 2024
LG CHEM, LTD.
Cheolhwan Jeong
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESSES TO PRODUCE POLY ALPHA-OLEFIN TRIMER AND APPARATUS THEREFOR
Publication number
20240287225
Publication date
Aug 29, 2024
EXXONMOBIL CHEMICAL PATENTS INC.
Patrick C. Chen
C07 - ORGANIC CHEMISTRY
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-...