Propene

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CPC
C08F110/06

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CCHEMISTRY METALLURGY C08Organic compounds C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS C08F110/00Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond

Current Industry

C08F110/06Propene

Industries

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Patents Grantslast 30 patents

Information Patent Grant
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-...
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
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
Polyethylene and polypropylene block copolymers
- Patent number 12,247,092
- Issue date Mar 11, 2025
- CORNELL UNIVERSITY
- Geoffrey Coates
- B32 - LAYERED PRODUCTS
Information Patent Grant
Process for preparing solid catalyst components for olefin polymeri...
- Patent number 12,240,925
- Issue date Mar 4, 2025
- W. R. Grace & Co.-Conn.
- Vladimir P. Marin
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
High flow fiber-reinforced propylene composition having low emissions
- Patent number 12,209,177
- Issue date Jan 28, 2025
- Ticona LLC
- Jimmy Kanuteh
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Nucleated propylene polymer composition with high toughness
- Patent number 12,209,148
- Issue date Jan 28, 2025
- Borealis AG
- Markus Gahleitner
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Pellet-type polypropylene resin composition and method for preparin...
- Patent number 12,209,173
- Issue date Jan 28, 2025
- LG Chem, Ltd.
- Kyung Seop Noh
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Resin powder for solid freeform fabrication, device for solid freef...
- Patent number 12,208,571
- Issue date Jan 28, 2025
- Ricoh Company, Ltd.
- Akira Saito
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for preparing a cap or closure
- Patent number 12,202,180
- Issue date Jan 21, 2025
- Borealis AG
- Jingbo Wang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Polypropylene polymer composition having high stiffness properties
- Patent number 12,187,880
- Issue date Jan 7, 2025
- W. R. Grace & Co.-Conn.
- John Kaarto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Biaxially oriented microporous membrane
- Patent number 12,179,469
- Issue date Dec 31, 2024
- Celgard, LLC
- Xiangyun Wei
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cavitated polyolefin films and methods of production thereof
- Patent number 12,172,413
- Issue date Dec 24, 2024
- CONSTAB POLYOLEFIN ADDITIVES GMBH
- Carmelo Di Costanzo
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Transition metal compound and catalyst composition comprising the same
- Patent number 12,134,674
- Issue date Nov 5, 2024
- LG Chem, Ltd.
- Byung Seok Kim
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Catalyst component for olefin polymerization, preparation method th...
- Patent number 12,121,880
- Issue date Oct 22, 2024
- China Petroleum and Chemical Corporation
- Rui Zhang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Electromagnetic wave shielding molded article
- Patent number 12,122,900
- Issue date Oct 22, 2024
- Daicel Polymer Ltd.
- Takafumi Ueda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Polypropylene-based composite material and method for preparing the...
- Patent number 12,065,515
- Issue date Aug 20, 2024
- LG Chem, Ltd.
- Sang Eun Park
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Solid catalyst component for olefin polymerization, method for prod...
- Patent number 12,060,378
- Issue date Aug 13, 2024
- Toho Titanium Co., Ltd.
- Tsutomu Uzawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process
- Patent number 12,060,443
- Issue date Aug 13, 2024
- INEOS USA LLC
- William E. Beardsley
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polypropylene multilayer sheet
- Patent number 12,053,959
- Issue date Aug 6, 2024
- FP CORPORATION AND SUNALLOMER LTD.
- Shingo Ueno
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Production of high melt flow propylene-based polymer and product fr...
- Patent number 11,993,672
- Issue date May 28, 2024
- W. R. Grace & Co.-Conn.
- Linfeng Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Catalyst system for the production of polyolefins and method of mak...
- Patent number 11,993,700
- Issue date May 28, 2024
- W. R. Grace & Co.-Conn.
- Jan Willem van Egmond
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Aerogel-modified polypropylene, and ultralight thermal-insulating m...
- Patent number 11,976,143
- Issue date May 7, 2024
- BEIJING HONG WARM FIBRES TECHNOLOGY CO., LTD.
- Guangwu Li
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Catalyst component and catalyst for olefin polymerization, and appl...
- Patent number 11,970,510
- Issue date Apr 30, 2024
- China Petroleum and Chemical Corporation
- Jin Zhao
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Symmetrical polyolefin block copolymer and preparation method therefor
- Patent number 11,965,051
- Issue date Apr 23, 2024
- Ajou University Industry-Academic Cooperation Foundation
- Bun Yeoul Lee
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Catalyst composition and system having extended lifetime
- Patent number 11,945,896
- Issue date Apr 2, 2024
- W. R. Grace & Co.-Conn.
- Joseph Coalter
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for producing polypropylene nonwoven fabric
- Patent number 11,885,044
- Issue date Jan 30, 2024
- LG Chem, Ltd.
- Kyung Seop Noh
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Bacteria repellant polymer composites
- Patent number 11,871,745
- Issue date Jan 16, 2024
- Ka Shui Plastic Technology Co. Ltd.
- You Wu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Catalyst system for olefin polymerization and use thereof
- Patent number 11,840,508
- Issue date Dec 12, 2023
- China Petroleum and Chemical Corporation
- Jie Lin
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Long-chain branched propylene polymer composition
- Patent number 11,834,529
- Issue date Dec 5, 2023
- Borealis AG
- Jingbo Wang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
HIGH MFR POLYPROPYLENE FOR MELTBLOWN NONWOVEN APPLICATIONS
- Publication number 20250145745
- Publication date May 8, 2025
- W.R. GRACE & CO.-CONN.
- Lian Bai
- D10 - INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEX...
Information Patent Application
GROUND PROTECTION MAT AND METHOD OF USE
- Publication number 20250116074
- Publication date Apr 10, 2025
- Wearwell, LLC
- Philip C. Huss
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PRODUCTION METHOD FOR SOLID CATALYST COMPONENT FOR POLYMERIZING OLE...
- Publication number 20250115687
- Publication date Apr 10, 2025
- Formosa Plastics Corporation, U.S.A.
- Guangxue Xu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR PREPARING A ZIEGLER-NATTA CATALYST SYSTEM WITH IMPROVED...
- Publication number 20250109223
- Publication date Apr 3, 2025
- Formosa Plastics Corporation, U.S.A.
- Lei ZHANG
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
CATALYST COMPOSITION
- Publication number 20250101141
- Publication date Mar 27, 2025
- Ineos Europe AG
- Michel CLAREMBEAU
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
SOLID CATALYST COMPONENT FOR POLYMERIZATION OF OLEFIN, METHOD FOR P...
- Publication number 20250101142
- Publication date Mar 27, 2025
- TOHO TITANIUM CO., LTD.
- Takaharu Sakemi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
CATALYST SYSTEM FOR POLYMERIZATION OF AN OLEFIN
- Publication number 20250101152
- Publication date Mar 27, 2025
- SABIC Global Technologies B.V.
- Akhlaq MOMAN
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Solid catalyst component for olefin polymerization and production m...
- Publication number 20250101153
- Publication date Mar 27, 2025
- TOHO TITANIUM CO., LTD.
- Keisuke Goto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
SOLID CATALYST FOR POLYPROPYLENE PRODUCTION AND METHOD FOR PRODUCTI...
- Publication number 20250092165
- Publication date Mar 20, 2025
- HANWHA TOTALENERGIES PETROCHEMICAL CO., LTD.
- Yong Jun JEON
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
BIAXIALLY ORIENTED MICROPOROUS MEMBRANE
- Publication number 20250074032
- Publication date Mar 6, 2025
- CELGARD, LLC
- Xiangyun Wei
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
CATALYSTS COMPONENT AND PROCESS FOR THE PRODUCTION OF POLYPROPYLENE...
- Publication number 20250066514
- Publication date Feb 27, 2025
- FORMOSA PLASTICS CORPORATION, U.S.A.
- Gapgoung Kong
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Cavitated Polyolefin Films and Methods of Production Thereof
- Publication number 20250065613
- Publication date Feb 27, 2025
- CONSTAB POLYOLEFIN ADDITIVES GMBH
- Carmelo DI COSTANZO
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
METHOD FOR PREPARING LONG-CHAIN BRANCHED POLYPROPYLENE
- Publication number 20250043045
- Publication date Feb 6, 2025
- NATIONAL CHUNG CHENG UNIVERSITY
- Jing-Cherng Tsai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ELECTROMAGNETIC WAVE SHIELDING MOLDED ARTICLE
- Publication number 20250011578
- Publication date Jan 9, 2025
- DAICEL MIRAIZU LTD.
- Takafumi UEDA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTROMAGNETIC WAVE SHIELDING MOLDED ARTICLE
- Publication number 20250011579
- Publication date Jan 9, 2025
- DAICEL MIRAIZU LTD.
- Takafumi UEDA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SINTERED POROUS POLYPROPYLENE MEDIA AND APPLICATIONS
- Publication number 20240417497
- Publication date Dec 19, 2024
- POREX CORPORATION
- Shawn Patrick Knotts
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
CATALYST COMPONENT FOR PROPYLENE POLYMERIZATION WITH IMPROVED CATAL...
- Publication number 20240392047
- Publication date Nov 28, 2024
- W.R. GRACE & CO.-CONN.
- Vladimir P. MARIN
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYMERISATION OF PROPYLENE
- Publication number 20240368317
- Publication date Nov 7, 2024
- Oxford University Innovation Limited
- Dermot O'HARE
- 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
ELECTRET MELT-BLOWN WEBS WITH IMPROVED FILTRATION PROPERTIES
- Publication number 20240301602
- Publication date Sep 12, 2024
- Borealis AG
- Jingbo Wang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
POLYPROPYLENE PRODUCTION USING A PROPYLENE STREAM COMPRISING PROPANE
- Publication number 20240287220
- Publication date Aug 29, 2024
- LUMMUS NOVOLEN TECHNOLOGY GMBH
- Stefan Bangerth
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
COVALENT ORGANIC FRAMEWORK AND CATALYST, PREPARATION METHODS THEREF...
- Publication number 20240270883
- Publication date Aug 15, 2024
- ZHEJIANG UNIVERSITY
- Pingwei LIU
- C07 - ORGANIC CHEMISTRY
Information Patent Application
A PROCESS FOR PREPARATION OF DISENTANGLED ULTRA-HIGH MOLECULAR WEIG...
- Publication number 20240270882
- Publication date Aug 15, 2024
- Reliance Industries Limited
- Virendrakumar Gupta
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYPROPYLENE-BASED COMPOSITIONS WITH IMPROVED IMPACT RESISTANCE AN...
- Publication number 20240262944
- Publication date Aug 8, 2024
- BRASKEM S.A
- Moisés Magalhães Werlang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
HIGH MELT STRENGTH POLYPROPYLENE COMPOSITION
- Publication number 20240228722
- Publication date Jul 11, 2024
- SABIC Global Technologies B.V.
- Peter Degenhart
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
SOLID CATALYST COMPONENT FOR POLYMERIZATION OF OLEFIN, CATALYST FOR...
- Publication number 20240218087
- Publication date Jul 4, 2024
- TOHO TITANIUM CO., LTD.
- Hideo Funabashi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PREPOLYMERIZED CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS
- Publication number 20240209125
- Publication date Jun 27, 2024
- BASELL POLIOLEFINE ITALIA S.r.l.
- Benedetta Gaddi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
HYBRID SUPPORTED METALLOCENE CATALYST AND METHOD FOR PREPARING POLY...
- Publication number 20240209126
- Publication date Jun 27, 2024
- LG CHEM, LTD.
- Byung Seok KIM
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
BRANCHED PROPYLENE-BASED POLYMER AND PRODUCTION METHOD THEREFOR
- Publication number 20240182609
- Publication date Jun 6, 2024
- JAPAN POLYPROPYLENE CORPORATION
- Masaaki ITO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
SPHERICAL CATALYST COMPONENTS FOR OLEFIN POLYMERIZATION
- Publication number 20240174776
- Publication date May 30, 2024
- W.R. GRACE & CO.-CONN.
- Vladimir P. Marin
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Propylene preliminary polymerization

Preparation of catalyst system

Hybrid supported metallocene catalyst and method for preparing poly...

Polyethylene and polypropylene block copolymers

Process for preparing solid catalyst components for olefin polymeri...

High flow fiber-reinforced propylene composition having low emissions

Nucleated propylene polymer composition with high toughness

Pellet-type polypropylene resin composition and method for preparin...

Resin powder for solid freeform fabrication, device for solid freef...

Process for preparing a cap or closure

Polypropylene polymer composition having high stiffness properties

Biaxially oriented microporous membrane

Cavitated polyolefin films and methods of production thereof

Transition metal compound and catalyst composition comprising the same

Catalyst component for olefin polymerization, preparation method th...

Electromagnetic wave shielding molded article

Polypropylene-based composite material and method for preparing the...

Solid catalyst component for olefin polymerization, method for prod...

Process

Polypropylene multilayer sheet

Production of high melt flow propylene-based polymer and product fr...

Catalyst system for the production of polyolefins and method of mak...

Aerogel-modified polypropylene, and ultralight thermal-insulating m...

Catalyst component and catalyst for olefin polymerization, and appl...

Symmetrical polyolefin block copolymer and preparation method therefor

Catalyst composition and system having extended lifetime

Method for producing polypropylene nonwoven fabric

Bacteria repellant polymer composites

Catalyst system for olefin polymerization and use thereof

Long-chain branched propylene polymer composition

Patents Applicationslast 30 patents

HIGH MFR POLYPROPYLENE FOR MELTBLOWN NONWOVEN APPLICATIONS

GROUND PROTECTION MAT AND METHOD OF USE

PRODUCTION METHOD FOR SOLID CATALYST COMPONENT FOR POLYMERIZING OLE...

METHOD FOR PREPARING A ZIEGLER-NATTA CATALYST SYSTEM WITH IMPROVED...

CATALYST COMPOSITION

SOLID CATALYST COMPONENT FOR POLYMERIZATION OF OLEFIN, METHOD FOR P...

CATALYST SYSTEM FOR POLYMERIZATION OF AN OLEFIN

Solid catalyst component for olefin polymerization and production m...

SOLID CATALYST FOR POLYPROPYLENE PRODUCTION AND METHOD FOR PRODUCTI...

BIAXIALLY ORIENTED MICROPOROUS MEMBRANE

CATALYSTS COMPONENT AND PROCESS FOR THE PRODUCTION OF POLYPROPYLENE...

Cavitated Polyolefin Films and Methods of Production Thereof

METHOD FOR PREPARING LONG-CHAIN BRANCHED POLYPROPYLENE

ELECTROMAGNETIC WAVE SHIELDING MOLDED ARTICLE

ELECTROMAGNETIC WAVE SHIELDING MOLDED ARTICLE

SINTERED POROUS POLYPROPYLENE MEDIA AND APPLICATIONS

CATALYST COMPONENT FOR PROPYLENE POLYMERIZATION WITH IMPROVED CATAL...

POLYMERISATION OF PROPYLENE

PROCESS FOR PRODUCING POLYOLEFIN GRANULAR RESIN WITH INCREASED SETT...

ELECTRET MELT-BLOWN WEBS WITH IMPROVED FILTRATION PROPERTIES

POLYPROPYLENE PRODUCTION USING A PROPYLENE STREAM COMPRISING PROPANE

COVALENT ORGANIC FRAMEWORK AND CATALYST, PREPARATION METHODS THEREF...

A PROCESS FOR PREPARATION OF DISENTANGLED ULTRA-HIGH MOLECULAR WEIG...

POLYPROPYLENE-BASED COMPOSITIONS WITH IMPROVED IMPACT RESISTANCE AN...

HIGH MELT STRENGTH POLYPROPYLENE COMPOSITION

SOLID CATALYST COMPONENT FOR POLYMERIZATION OF OLEFIN, CATALYST FOR...

PREPOLYMERIZED CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS

HYBRID SUPPORTED METALLOCENE CATALYST AND METHOD FOR PREPARING POLY...

BRANCHED PROPYLENE-BASED POLYMER AND PRODUCTION METHOD THEREFOR

SPHERICAL CATALYST COMPONENTS FOR OLEFIN POLYMERIZATION