Sabic Global Technologies B.v.

Saudi Basic Industries Corporation

Jaiprakash Brijlal Sainani

Martin Alexander Zuideveld

Aurora Alexandra Batinas-Geurts

Gennadii Dimitrievich Bukatov

Sergei Andreevich Sergeev

Vladimir Aleksandrovich Zakharov

Mansour Taftaf

Vimalkumar Mahendrabhai Patel

Nourdin Ghalit

Shirish Shrikant Abhyankar

Akhlaq Moman

Osamah Al-Humaidan

Abbas-Alli Ghudubhai Shaikh

Prashant Sukumar Shinge

Mahesh Davadra

Nicolaas Hendrika Friederichs

Vincenzo Busico

Roberta Cipullo

Mansour Izzat Taftaf

Khalid Abdullah Al-Bahily

Sudhakar R Padmanabhan

Sharankumar G Shetty

Antonio Vittoria

Alexander Voskoboynikov

Coen Hendriksen

Vyatcheslav Izmer

Anamitra Chatterjee

Dmitry Kononovich

Oleg Samsonov

Sivalingam Gunasekaran

Sharankumar Shetty

Abhyankar Shirish Shrikant

Mahendrabhai Vimalkumar Patel

Mahendrabhai Patel Vimalkumar

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 process for the preparation of a compound represented by formula (I) wherein X is selected from the group consisting of &#x2014;H, -halogen, linear or branched C1-C7 alkyl group, linear or branched C1-C5 alkoxy group, &#x2014;NOand &#x2014;CN and Y is a linear or branched C1-C7 alkyl group, comprising the steps of: 10 a) reacting a compound represented by formula (II) with a compound represented by (III) to obtain an intermediate product, wherein X is as defined with respect to formula (I), wherein Z is H, CHor CH, b) reacting the intermediate product of step a) with a compound represented by YSO(IV) wherein Y is as defined with respect to formula (I) to obtain a salt and c) hydrolyzing the salt of step b) to obtain the compound of formula (I). 

Process for mono N-alkylation of aminophenol

The present invention relates to a procatalyst comprising the compound represented by formula A as an internal electron donor, Formula A wherein R is hydrogen or a methyl group, N is nitrogen atom; O is oxygen atom; and C is carbon atom. The present invention also relates to a process for preparing said polymerization procatalyst and to a polymerization catalyst system comprising said procatalyst, a co-catalyst and optionally an external electron donor. Furthermore, the present invention relates to a polyolefin obtainable by the process according to the present invention and to the use of the compound of formula A as in internal electron donor in catalysts for polymerization of olefins. 

Procatalyst for polymerization of olefins

The present invention relates to a procatalyst comprising the compound represented by formula A as an internal electron donor (Formula A), wherein R is hydrogen or a methyl group, N is nitrogen atom; O is oxygen atom; and C is carbon atom. The present invention also relates to a process for preparing said polymerization procatalyst and to a polymerization catalyst system comprising said procatalyst, a co-catalyst and optionally an external electron donor. Furthermore, the present invention relates to a polyolefin obtainable by the process according to the present invention and to the use of the compound of formula A as in internal electron donor in catalysts for polymerization of olefins. 

The present invention relates to a process for synthesis of a compound according to Formula (A): wherein Ris a substituted or unsubstituted aryl having 6 to 20 carbon atoms; preferably substituted or unsubstituted phenyl; Ris a straight or branched alkyl having 1 to 12 carbon atoms; and Ris a straight or branched alkyl having 1 to 12 carbon atoms; starting from a di-keto compound according to Formula (B) wherein Ris as shown above, which compound is converted into a ketoenamine compound according to Formula (C) wherein Rand Rare as shown above, which ketoenamine compound is then reduced to an amino alcohol according to Formula (D), wherein Rand Rare as shown above, that is subsequently converted into a compound according to Formula (A): characterized in that the ketoenamine is reduced into an amino alcohol using a nickel aluminium alloy in an aqueous solution of an inorganic base. 

Synthesis method for the preparation of dibenzoate compounds, such as 4-[benzoyl(methyl)amino]pentane-2-yl dibenzoate

The present invention relates to a compound according to Formula (I) wherein Ris a hydrocarbyl group selected from the group consisting of alkyl, alkenyl, aryl, aralkyl, and alkylaryl groups, and one or more combinations thereof; wherein Ris a hydrogen atom, an aryl group or an alkyl group; and wherein R, R, Rand R, are the same or different and are each independently a hydrogen atom, a halogen atom, a cyano group, an amino group, a hydrocarbyl group selected from the group consisting of alkyl, alkenyl, aryl, aralkyl, and alkylaryl groups or an alkoxy group, and one or more combinations thereof as internal electron donor and to a process for the synthesis of a compound according to Formula (I), wherein Ris a hydrocarbyl group selected from the group consisting of alkyl, alkenyl, aryl, aralkyl, alkoxycarbonyl and alkylaryl groups, and one or more combinations thereof; wherein Ris a hydrogen atom or an alkyl group; wherein R, R, Rand R, are the same or different and are each independently selected from a group consisting of a hydrogen atom; a hydrocarbyl, preferably, said process comprising the step of reacting a compound according to Formula (II) [R&#x2014;C(&#x2550;O)Cl] with a compound according to Formula (III) to obtain the compound according to Formula (I) and to the use of these compounds as internal donor in Ziegler-Natta catalysis of olefins. 

Synthesis of substituted amidobenzoate compounds, the compounds obtained and the use thereof as phthalate free internal electron donor for polymerization of olefins

The present invention relates to a novel process for the synthesis of 9,9-bis(hydroxymethyl)fluorene. The syntheses from fluorene to 9,9-bis(hydroxy-methyl)fluorene via a hydroxymethylation and further to 9,9-bis(methoxymethyl)-fluorene via a etherification are known. 9,9-bis(methoxymethyl)fluorene is a compound that is used as an electron donor for Ziegler-Natta catalysts. The present invention is related to an improvement in the synthesis of 9,9-bis(hydroxymethyl)fluorene leading to a decrease in the amount of solvent used and an easier work up while achieving high yield and purity.

Process for the synthesis of 9,9-bis(hydroxymethyl)fluorene

The present invention relates to a procatalyst comprising the compound represented by Formula (A), preferably the Fischer projection of formula (A) as an internal electron donor. The invention also relates to a process for preparing said procatalyst. Furthermore, the invention is directed to a catalyst system for polymerization of olefins comprising the said procatalyst, a co-catalyst and optionally an external electron donor; a process of making polyolefins by contacting at least one olefin with said catalyst system and to polyolefins obtainable by said process. The invention also relates to the use of said procatalyst in the polymerization of olefins. Moreover, the present invention relates to polymers obtained by polymerization using said procatalyst and to the shaped articles of said polymers. 

The present invention relates to a novel process for the synthesis of 9,9-bis(hydroxymethyl)fluorene. The syntheses from fluorene to 9,9-bis(hydroxymethyl)fluorene via a hydroxymethylation and further to 9,9-bis(methoxymethyl)fluorene via a etherification are known. 9,9-bis(methoxymethyl)fluorene is a compound that is used as an electron donor for Ziegler-Natta catalysts. The present invention is related to an improvement in the synthesis of 9,9-bis(hydroxymethyl)fluorene leading to a decrease in the amount of solvent used and an easier work up while achieving high yield and purity.

The present invention relates to a process for preparing a catalyst component for polymerization of an olefin comprising the steps of: i) contacting a compound RMgXwherein Ris aromatic, aliphatic or cyclo-aliphatic group containing up to 20 carbon atoms, X is a halide, and z is in a range of larger than 0 and smaller than 2, with an alkoxy- or aryloxy-containing silane compound to given a first intermediate reaction product; ii) contacting the first intermediate reaction product with at least one activating compound selected from the group formed by electron donors and compounds of formula M(OR)(OR), wherein M can be Ti, Zr, Hf, Al or Si, and M(OR)(R), wherein M is Si, each Rand R, independently, represent an alkyl, alkenyl or aryl group, v is the valency of M, v being either 3 or 4, and w is smaller than v, to give a second intermediate reaction product; and iii) contacting the second intermediate reaction product with a halogen-containing Ti-compound, a monoester as activating agent, a 1,3-diether as an internal electron donor, and optionally a diester as an additional internal electron donor.

Process for preparing a catalyst component for polymerization of olefins

The present invention relates to a novel process for the synthesis of 9,9-bis(methoxymethyl)fluorene. The syntheses from fluorene to 9,9-bis(hydroxymethyl)fluorene via a hydroxymethylation and further to 9,9-bis(methoxymethyl)fluorene via a etherification are known. 9,9-bis(methoxymethyl)fluorene is a compound that is used as an electron donor for Ziegler-Natta catalysts. The present invention is related to an improvement in the synthesis of 9,9-bis(methoxymethyl)fluorene leading to a decrease in the amount of solvent used and an easier work up while achieving high yield and purity.

Process for the synthesis of 9,9-bis(methoxymethyl)fluorene

A catalyst composition including the compound of Formula I as an internal electron donor, 

Catalyst composition for polymerization of olefins

The present invention relates to a procatalyst comprising the compound represented by formula A as an internal electron donor, wherein: R, R, R, R, R, and Rare the same or different and are independently selected from a group consisting of hydrogen or a straight, branched and cyclic hydrocarbyl group, selected from alkyl, alkenyl, aryl, aralkyl or alkylaryl groups, and one or more combinations thereof, preferably having 1 to 20 carbon atoms; Ris a hydrogen or a linear, branched or cyclic hydrocarbyl group, selected from alkyl, alkenyl, aryl, aralkyl, alkoxycarbonyl or alkylaryl groups, and one or more combinations thereof, preferably having from 1 to 20 carbon atoms; and each Rgroup is independently a linear, branched or cyclic hydrocarbyl group selected from alkyl, alkenyl, aryl, aralkyl, or alkylaryl groups, and one or more combinations thereof, preferably having from 1 to 30 carbon atoms; N is nitrogen atom; O is oxygen atom; and C is carbon atom. The present invention also relates to a process for preparing said polymerization procatalyst and to a polymerization catalyst system comprising said procatalyst, a cocatalyst and optionally an external electron donor. Furthermore, the present invention relates to a polyolefin obtainable by the process according to the present invention and to the use of the compound of formula A as in internal electron donor in catalysts for polymerization of olefins. 

The present invention relates to a catalyst system comprising a procatalyst, a co-catalyst and an external electron donor, wherein the external electron donor comprises a compound having the structure according to Formula I: Si(L)(OR)(Formula I), wherein, Si is a silicon atom with valency 4+; O is an oxygen atom with valency 2&#x2212; and O is bonded to Si via the silicon-oxygen bond; n is 1, 2, 3 or 4; Ris a selected from the group consisting of linear, branched and cyclic alkyl having at most 20 carbon atoms and aromatic substituted and unsubstituted hydrocarbyl having 6 to 20 carbon atoms; L is a group represented by (Formula II), wherein, L is bonded to the silicon atom via the nitrogen-silicon bond; L has a single substituent on the nitrogen atom, where this single substituent is an imine carbon atom; and X and Y are independently selected from the group consisting of a hydrogen atom; a heteroatom selected from group 13, 14, 15, 16 or 17 of the IUPAC Periodic Table of the Elements; a linear, branched and cyclic alkyl having at most 20 carbon atoms, optionally containing a heteroatom selected from group 13, 14, 15, 16 or 17 of the IUPAC Periodic Table of the Elements and an aromatic substituted and unsubstituted hydrocarbyl having 6 to 20 carbon atoms, optionally containing a heteroatom selected from group 13, 14, 15, 16 or 7 of the IUPAC Periodic Table of the Elements. 

Catalyst system for polymerisation of an OLEFIN

The present invention relates to a catalyst composition comprising the compound represented by the Fischer projection of formula (I) as an internal electron donor, (I) wherein: R, R, R, R, Rand Rare the same or different and are independently selected from a group consisting of hydrogen, straight, branched and cyclic alkyl and aromatic substituted and unsubstituted hydrocarbyl having 1 to 20 carbon atoms; Ris selected from a group consisting of straight, branched and cyclic alkyl and aromatic substituted and unsubstituted hydrocarbyl having 1 to 20 carbon atoms; and Ris selected from a group consisting of aromatic substituted and unsubstituted hydrocarbyl having 6 to 20 carbon atoms; N is nitrogen atom; O is oxygen atom; and C is carbon atom. The present invention also relates to a process for preparing said polymerization catalyst composition and to a polymerization catalyst system comprising said catalyst composition, a cocatalyst and optionally an external electron donor. Furthermore, the present invention relates to a polyolefin obtainable by the process according to the present invention and to the use of the compound of formula (I) as in internal electron donor in catalysts for polymerization of olefins. 

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Baroda, India

Jaiprakash Brijlal Sainani