Sabic Global Technologies B.v.

Total Research & Technology Feluy

Dow Global Technolgoies LLC

The Dow Chemical Company

Roberta Cipullo

Vincenzo Busico

Nicolaas Hendrika Friederichs

Antonio Vittoria

Bogdan A Guzeev

Alexander Voskoboynikov

Alexander Z Voskoboynikov

Dmitry Vadimovich Uborsky

Dmitry Y Mladentsev

Ilya Borisov

Dmitry Uborsky

Abbas Razavi

Mikhail I Sharikov

Hendriksen Coen

Roberta Pellecchia

James C Stevens

Harold W Boone

Anton Ginzburg

Shaneesh Vadake Kulangara

Coen Hendriksen

Vyatcheslav Izmer

Dmitry Kononovich

Oleg Samsonov

Anamitra Chatterjee

Francesca Alfano

Vyatcheslav V Izmer

Dmitry S Kononovich

Jaiprakash Brijlal Sainani

Oleg Vladimirovich Samsonov

Ilya S Borisov

Abbas-Alli Ghudubhai Shaikh

Ninad Ghavale

Nitin Nandurkar

Luca Rongo

Daniil Nosov

Pavel Kulyabin

Mikhail Sharikov

Dmitry Mladentsev

Georgy Goryunov

The present invention relates to a compound according to formula 1: wherein: •each of Rto Rmay individually be a moiety selected from hydrogen, an aryl moiety, an aryl moiety, a halogen, an alkyl or aryl moiety with halogen substituent(s), an alkoxy moiety, a siloxy moiety, or a nitrogen-containing moiety, wherein each R moiety may optionally form a ring structure with an adjacent R moiety; •each of Aand Amay individually be a moiety selected from: o an element of Group 16 of the periodic system; and o a moiety containing an element of Group 15 of the periodic system; preferably wherein Aand Aare selected from O or NR, wherein Ris an alkyl, aryl or aralkyl moiety, preferably a substituted or unsubstituted phenyl moiety, preferably a p-tolyl moiety; •T is a divalent hydrocarbyl moiety; •D is a substituted element of Group 15 or Group 16 of the periodic system, preferably an N(R)or ORmoiety, in which Ris selected to be an alkyl moiety, an aryl moiety, or an aralkyl moiety, preferably Ris a methyl moiety; •Y is an element selected from Group 15 of the periodic system, preferably N; •Mt is a transition metal, preferably selected from Group 3 or 4 of the periodic system, more preferably selected from Ti, Hf and Zr; •X is a sigma-bonded ligand, preferably selected from a halogen, an alkyl moiety, an aralkyl moiety, an alkoxy moiety, an aryloxy moiety, and a dialkylamine moiety; and Classification: General Business Use •n is the amount of X ligands bonded to X. Such compound allow for use in catalysts that result in high molecular weight polymers, display high catalyst activities and give excellent comonomer incorporation.

Post-metallocene compounds

The present invention relates to compounds according to formula I: wherein: each R1-R10 may individually be H, a halogen, an alkoxy moiety, a siloxy moiety, a nitrogen-containing moiety, an alkyl moiety, an aryl moiety, or an aralkyl moiety, wherein each R1-R10 comprises ≤10 carbon atoms, wherein each of R1-R10 may form a cyclic moiety with an adjacent R1-R10 moiety; Y is O or N—R11, wherein R11 is an alkyl, cycloalkyl, aryl or aralkyl moiety comprising 1-12 carbon atoms; M is a group 3 or 4 transition metal; X is a sigma-bonded ligand, or a diene; z is the number of ligands X that are bonded to M. Such compounds may be used in a catalyst system for olefin polymerisation.

Compounds for use in catalyst compositions for the production of polyolefins

The invention relates to a metallocene complex according to formula (I), (I) wherein Rand Rare independently selected from H, an alkyl or an aryl group, wherein Ris a C1-C10 alkyl group, wherein R' is selected from H, an alkyl group, an aryl group and wherein different R&#x2032; substituents can be connected to form a ring structure and wherein B is a 1,2 phenylene bridging moiety, which can be optionally substituted, wherein Mt is selected from Ti, Zr and Hf, X is an anionic ligand, z is the number of X groups and equals the valence of Mt minus 2. The invention also relates to a catalyst comprising the reaction product of the metallocene complex and a cocatalyst. Further the invention relates to a (co)polymerisation process of olefinic monomers.

1,2-phenylene bridged 1-indenyl-2-indenyl metallocene complexes for olefin polymerisation

The present invention provides a compound according to formula (I): (I) wherein: &#x2022;R2 is abridging moiety containing at least one sp2 hybridised carbon atom; &#x2022;each R4, R4', R7 and R7&#x2032; are hydrogen or moieties comprising 1-10 carbon atoms, wherein each R4, R4&#x2032;, R7 and R7&#x2032; are the same; &#x2022;each R5, R5&#x2032;, R6 and R6&#x2032; are moieties comprising 1-10 carbon atoms, wherein each R5, R5&#x2032;, R6 and R6&#x2032; are the same; and &#x2022;Z is a moiety selected from ZrX, HfX, or TiX, wherein X is selected from the group of halogens, alkyls, aryls and aralkyls. Such compound allows for the preparation of catalyst systems that provide improved olefin reactivity, such as ethylene reactivity, increased molecular weight in olefin polymerisation, such as increased Min ethylene polymerisation, and increased comonomer incorporation in copolymerisation reactions of olefins, such as in copolymerisation reactions of ethylene with 1-hexene. 

Substituted bis-2-indenyl metallocene compounds

The invention relates to a metallocene complex according to formula (A): wherein R1 is selected from C1-C10 alkyl, C6-C20 aryl, C7-C20 aralkyl groups, and C1-C10 alkoxy groups, wherein R2 is selected from H, C1-C10 alkyl; wherein R3-R6, R10 are independently selected from H, C1-C10 alkyl, C6-C10 aryl, and wherein R3 and R4, R4 and R5, or R5 and R6 can be connected to form a ringstructure; wherein M is selected from Ti, Zr and Hf, X is an anionic ligand to M, z is the number of X groups and equals the valence of M minus 2, and wherein each R7 independently is selected from C1-C6 alkyl or aryl groups. The invention also relates to a catalyst comprising the reaction product of the metallocene complex and a cocatalyst. Further the invention relates to a (co)polymerization process of olefinic monomers. 

Dihydrocarbyl-silyl-bridged-1,3 disubstituted-2-indenyl metallocene complexes for olefin polymerization

The invention relates to a metallocene complex according to formula (I), wherein R1 is selected from C2-C10 alkyl, preferably C3-C10 alkyl, C6-C20 aryl, C7-C20 aralkyl groups, wherein R2 is selected from H, C1-C10 alkyl, and wherein R3, R4, R5 and R6 are independently selected from H, C1-C10 alkyl, C6-C20 aryl, or C7-C20 aralkyl groups and wherein R3 and R4, R4 and R5, or R5 and R6 can be connected to form a ring structure wherein M is selected from Ti, Zr and Hf, X is an anionic ligand to M. The invention also relates to a catalyst comprising the reaction product of the metallocene complex and a cocatalyst. Further the invention relates to a (co)polymerization process of olefinic monomers. 

Dihydrocarbyl-silyl-bridged-substituted cyclopentadienyl metallocene complexes for olefin polymerization

The invention relates to a metallocene complex according to formula A, wherein R1-R10 are independently selected from H, C1-C10 alkyl, C7-C20 Aralkyl groups, and C1-C10 alkoxy groups; wherein R11 is selected from methyl, ethyl, propyl, isopropyl, butyl, phenyl; wherein R1 and R2, R3 and R4, R4 and R5, R5 and R6, R7 and R8, R8 and R9, and/or R9 and R10 can be connected to form a ringstructure; wherein R0 is selected from a C1-C10 alkyl group or an aryl group wherein M is selected from Ti, Zr and Hf, X is an anionic ligand to M, z is the number of X groups and equals the valence of M minus 2. The invention further relates to a catalyst for preparing polyolefins, a process for polymerizing olefins and to polymers prepared by said catalyst system. 

Dimethyl-silyl-bridged-1-substituted-2-indenyl metallocene complexes for olefin polymerization

The invention relates to a metallocene complex according to formula I or II wherein M is a metal selected from lanthanides or transition metals from group 3, 4, 5 or 6 of the Periodic System of the Elements, Q is an anionic ligand to M, k is the number of Q groups and equals the valence of M minus 2, R is a divalent bridging group, R, R, Rand R4 are each independently chosen from the group consisting of hydrogen (H); a halogen atom; a silyl, alkyl, cycloalkyl, aryl, alkylaryl or arylalkyl group; and R, R, Rand Rare each independently chosen from the group consisting of hydrogen (H); a halogen atom; a silyl, alkyl, cycloalkyl, aryl, alkylaryl or arylalkyl group; or two adjacent radicals Rand R, Rand R, and Rand Rare connected with each other in a hydrocarbon ring system. The invention also relates to a catalyst comprising the metallocene complex, to a process for making polyolefins and to the use of the polyolefins for making articles. 

Catalyst comprising a metallocene complex and co-catalyst

The invention relates to a metallocene complex according to formula I wherein The invention also relates to a catalyst comprising the metallocene complex, to a process for making polyolefins and to the use of the polyolefins for making articles.

Catalyst comprising a metallocene complex and a co-catalyst

The present invention discloses an active metallocene catalyst system prepared with a hafnium-based metallocene catalyst system and an activating agent comprising an aluminoxane and a sterically hindered Lewis base.

Activating agents for hafnium-based metallocene components

A process for forming tactic polymers employing at least one olefin polymerization catalyst comprising a non-racemic mixture of the R- and S-enantiomers of a metal complex containing at least one asymmetrically substituted (chiral) carbon atom, and a chain shuttling agent, a polar aprotic organic compound, or both a chain shuttling agent and a polar aprotic organic compound.

Tactic polymer polymerization process using chiral catalysts

A process for forming a high molecular weight, multi-block copolymer comprising two or more chemically distinguishable segments or blocks, the process comprising polymerizing one or more olefin monomers in the presence of a chain shuttling agent and a catalyst composition comprising two or more olefin polymerization catalysts capable of preparing polymers having differing chemical or physical properties under equivalent polymerization conditions, or a catalyst composition comprising at least one olefin polymerization catalyst containing multiple active catalyst sites capable of preparing polymers having differing chemical or physical properties.

Multi-block copolymer process using polar solvents

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Naples, Italy

Roberta Cipullo