Exxonmobil Chemical Patents Inc.

Sabic Global Technologies B.v.

Borealis Ag

Arlanxeo Netherlands B.v.

Dmitry Vadimovich Uborsky

Alexander Z Voskoboynikov

Jo Ann M Canich

Georgy Pavlovich Goryunov

John Robert Hagadorn

Ilya S Borisov

Oleg Vladimirovich Samsonov

Mikhail I Sharikov

Pavel Sergeevich Kulyabin

Vyatcheslav V Izmer

Nicolaas Hendrika Friederichs

Dmitry S Kononovich

Catalina L Coker

Vincenzo Busico

Roberta Cipullo

Alexey N Ryabov

Alexander V Lygin

Vladislav A Popov

Mikhail V Nikulin

Bogdan A Guzeev

Arkady K Golenishchev

Luigi Resconi

Peijun Jiang

Norbert Hafner

Ville Virkkunen

Ian C Stewart

Pascal Castro

Xin Chen

Patrick J Palafox

Alexey A Tsarev

Michelle E Titone

Alexandra Berthoud

Yaohua Gao

Dmitry Y Mladentsev

Irene C Cai

Maxence Valla

Antonio Vittoria

Catherine Anne Faler

Alex E Carpenter

Renuka N Ganesh

Hua Zhou

Abbas-Alli Ghudubhai Shaikh

Anton Ginzburg

Shaneesh Vadake Kulangara

Coen Hendriksen

Anamitra Chatterjee

Michail I Sharikov

Ivan V Pruss

Alexander Zel'Manovich Voskoboynikov

Luca Rongo

Daniil Nosov

Pavel Kulyabin

Mikhail Sharikov

Dmitry Mladentsev

Georgy Goryunov

Oleg V Samsonov

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 present disclosure relates to Lewis base catalysts. Catalysts, catalyst systems, and processes of the present disclosure can provide high temperature ethylene polymerization, propylene polymerization, or copolymerization. In at least one embodiment, the catalyst compounds belong to a family of compounds comprising amido-phenolate-heterocyclic ligands coordinated to group 4 transition metals. The tridendate ligand may include a central neutral hetrocyclic donor group, an anionic phenolate donor, and an anionic amido donor. In some embodiments, the present disclosure provides a catalyst system comprising an activator and a catalyst of the present disclosure. In some embodiments, the present disclosure provides a polymerization process comprising a) contacting one or more olefin monomers with a catalyst system comprising: i) an activator and ii) a catalyst of the present disclosure.

Lewis base catalysts and methods thereof

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

A metal complex of the formula (1) TCyLMZ(1), wherein M is a group 4 metal, Z is an anionic ligand, p is the number 1 or 2, TCy is a thiophene-fused cyclopentadienyl-type ligand of the formula (2) is described. Methods of making and using the metal complex are also described.

Metal complex comprising amidine and thiophene fused cyclopentadienyl ligands

A metal complex of the formula (1) InCyLMZp (1), wherein M is a group 4 metal, Z is an anionic ligand, p is number of 1 to 2, InCy is an indole fused cyclopentadienyl-type ligand of the formula (2) wherein Rindependently is a C1-C4-alkyl, m is a number of 0 to 4, Ris a C1-C10-alkyl, C5-C10-cycloalkyl, or a C6-C10-aryl unsubstituted or substituted with C1-C10-alkyl or C1-C4-dialkyl amino, R, Rand Reach is independently selected from hydrogen, C1-C4-alkyl, C6-C10-aryl unsubstituted or substituted with C1-C4-alkyl, halide, or both of C1-C4-alkyl and halide and, L is an amidinate ligand of the formula (3a) wherein the amidine-containing ligand (3a) is bonded to the metal M via the imine nitrogen atom N2, wherein Ris independently selected from C1-C4-alkyl and halide and q is a number of 0 to 4, Subis a cyclic or linear aliphatic or aromatic substituent. 

Metal complex comprising amidine and indole fused cyclopentadienyl ligands

This invention relates to transition metal complexes of a dianionic, tridentate ligand that features a central neutral heterocyclic Lewis base and two phenolate donors, where the tridentate ligand coordinates to the metal center to form two eight-membered rings. Preferably the bis(phenolate) complexes are represented by Formula (I): where M, L, X, m, n, E, E', Q, R, R, R, R, R, R, R, R, A, A, are as defined herein, where AQAare part of a heterocyclic Lewis base containing 4 to 40 non-hydrogen atoms that links Ato Avia a 3-atom bridge with Q being the central atom of the 3-atom bridge.

Transition metal bis(phenolate) complexes and their use as catalysts for olefin polymerization

The present disclosure relates to Lewis base catalysts. Catalysts, catalyst systems, and processes of the present disclosure can provide high temperature ethylene polymerization, propylene polymerization, or copolymerization as the Lewis base catalysts (e.g., bis(aryl phenolate) five-membered ring catalysts), can be stable at high polymerization temperatures and have good activity at the high polymerization temperatures. The stable catalysts with good activity can provide formation of polymers having high molecular weights or polymers having low to very molecular weights, and the ability to make an increased amount of polymer in a given reactor, as compared to conventional catalysts. Hence, the present disclosure demonstrates highly active catalysts capable of operating at high reactor temperatures while producing polymers with controlled molecular weights and or robust isotacticity.

The present disclosure relates to Lewis base catalysts. Catalysts, catalyst systems, and processes of the present disclosure can provide high temperature ethylene polymerization, propylene polymerization, or copolymerization as the Lewis base catalysts can be stable at high polymerization temperatures and have good activity at the high polymerization temperatures. The stable catalysts with good activity can provide formation of polymers having high melting points, high isotacticity, and controllable molecular weights, and the ability to make an increased amount of polymer in a given reactor, as compared to conventional catalysts. Hence, the present disclosure demonstrates highly active catalysts capable of operating at high reactor temperatures while producing polymers with controlled molecular weights and or robust isotacticity.

The present disclosure relates to bis(aryl phenolate) Lewis base catalysts. Catalysts, catalyst systems, and processes of the present disclosure can provide high temperature ethylene polymerization, propylene polymerization, or copolymerization as the bis(aryl phenolate) Lewis base catalysts are stable at high polymerization temperatures and have good activity at the high polymerization temperatures. The stable catalysts with good activity can provide formation of polymers having high molecular weights and the ability to make an increased amount of polymer in a given reactor, as compared to conventional catalysts. Hence, the present disclosure demonstrates highly active catalysts capable of operating at high reactor temperatures while producing polymers with controlled molecular weights and or robust isotacticity.

Bis(aryl phenolate) lewis base catalysts and methods thereof

This invention relates to transition metal complexes represented by the formula: catalyst systems comprising the complexes, and polymerization methods for olefinic monomers using the catalyst systems. In said formula, M is a transition metal; E is NR, CRR, O, S, or SiRR; Q is optional substitution; p is an integer ranging from 0 to 3; L is an optional neutral ligand; m is an integer ranging from 0 to 3; X is an anionic leaving group; n is 1 or 2, with m+n being 4 or less; J is a linker group contributing two or three atoms that are located within a first chelate ring; Rand Rare independently a hydrocarbyl group or a trihydrocarbylsilyl group; Ris a hydrocarbyl group; Rand Rare independently H, a hydrocarbyl group, or a trihydrocarbylsilyl group; and Rand Rare independently a hydrocarbyl group.

Benzazole and pseudoindole diamido transition metal complexes and use thereof in olefin polymerization

Quinolinyldiamido transition metal complexes are disclosed for use in alkene polymerization to produce multimodal polyolefins.

Quinolinyldiamido transition metal complexes, production and use thereof

The present disclosure provides methods for making quinolinyldiamine products from quinolinyl starting materials. In addition, the quinolinyldiamines can be used as ligands or ligand precursors for catalysts, e.g. for use in olefin polymerization.

Methods for making quinolinyldiamines

Disclosed are novel hafnium-based metallocene catalyst compounds with the following characteristics: 1) 4,5-dialkyl substitutions on a fluorenyl ligand, and optionally additional substitutions, 2) a cyclopentadienyl ligand, optionally with substitutions, and 3) a bridging group from group 14 of the Periodic Table. Also disclosed are catalyst systems comprising such catalyst compounds and their uses thereof, and polymers produced using such catalyst systems.

Catalysts for producing polymers and enhanced properties

This invention relates to a novel group 2, 3 or 4 transition metal metallocene catalyst compound having at least one arenyl ligand substituted with: 1) a cyclopropyl group and, optionally, 2) at at least one other group, such as a hydrocarbyl, a heteroatom or a heteroatom containing group.

Cyclopropyl substituted metallocene catalysts

Growing community of inventors

Moscow, Russia

Dmitry Vadimovich Uborsky