公开(公告)号：US20160340293A1

公开(公告)日：2016-11-24

申请号：US15104822

申请日：2014-12-19

Applicant: Mansour TAFTAF ,  Jaiprakash Brijlal SAINANI ,  Vladimir Aleksandrovich ZAKHAROV ,  Gennadii Dimitrievich BUKATOV ,  Vimalkumar Mahendrabhai PATEL ,  Sergei Andreevich SERGEEV ,  Martin Alexander ZUIDEVELD ,  Aurora Alexandra BATINAS-GEURTS ,  Nourdin GHALIT ,  SAUDI BASIC INDUSTRIES CORPORATION ,  SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Mansour I. TAFTAF ,  Jaiprakash Brijlal SAINANI ,  Vladimir Aleksandrovich ZAKHAROV ,  Gennadii Dimitrievich BUKATOV ,  Vimalkumar Mahendrabhai PATEL ,  Sergei Andreevich SERGEEV ,  Martin Alexander ZUIDEVELD ,  Aurora Alexandra BATINAS-GEURTS ,  Nourdin GHALIT

IPC: C07C233/69 ,  C07C235/48 ,  C08F110/06 ,  C07C233/18

CPC classification number: C07C233/69 ,  B01J31/0202 ,  B01J2231/64 ,  B01J2531/007 ,  C07C233/18 ,  C07C235/48 ,  C08F110/06 ,  C08F2410/01 ,  C08F4/651 ,  C08F2500/04 ,  C08F2500/12 ,  C08F2500/15 ,  C08F4/6565

Abstract: A catalyst composition including the compound of Formula I as an internal electron donor, wherein: R1, R2, R3, R4, R5 and R6 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; R7 is selected from a group consisting of straight, branched and cyclic alkyl and aromatic substituted and unsubstituted hydrocarbyl having 1 to 20 carbon atoms; and R8 is selected from a group consisting of aromatic substituted and unsubstituted hydrocarbyl having 6 to 20 carbon atoms. Also disclosed is a process for preparing said polymerization catalyst composition; a polymerization catalyst system comprising said catalyst composition, a co-catalyst and optionally an external electron donor; a polyolefin obtainable by the process; and use of the compound of Formula I as in internal electron donor in catalysts for polymerization of olefins.

公开(公告)号：US20220332861A1

公开(公告)日：2022-10-20

申请号：US17641708

申请日：2020-09-04

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Jaiprakash Brijlal SAINANI ,  Nicolaas Hendrika FRIEDERICHS ,  Alexander VOSKOBOYNIKOV ,  Dmitry UBORSKY ,  Kankan BHAUMIK ,  Vincenzo BUSICO ,  Antonio VITTORIA ,  Roberta CIPULLO ,  Bogdan GUZEEV ,  Oleg SAMSONOV ,  Pavel KULYABIN ,  Georgy GORYUNOV ,  Andrey YASHIN ,  Akhilesh TANWAR

IPC: C08F110/02 ,  C08F4/6592 ,  C08F4/659 ,  C08F210/16

Abstract: The present invention relates to compounds according to formula I, wherein: R1 is a cyclopentadienyl moiety or a moiety comprising a cyclopentadienyl ring structure; R2 is a moiety M(R5)2 or MR5, wherein M is a metal selected from hafnium, titanium or zirconium, and R5 is F, Cl, I, Br or an alkyl-moiety comprising 1 to 10 carbon atoms, preferably methyl, benzyl, butadiene or pentadiene; R3 is H, an alkyl or aryl moiety comprising 1 to 10 carbon atoms, or a moiety comprising N or O and 1 to 15 carbon atoms; R4 is H, an alkyl or aryl moiety comprising 1 to 10 carbon atoms, or a moiety comprising N or O and 1 to 15 carbon atoms, or a halogen; wherein if R3 is H, R4 is a moiety other than H, and if R4 is H, R3 is a moiety other than H; each R6 is individually selected from H, a halogen, an alkyl moiety, an aryl moiety, a halogen-substituted alkyl moiety, a halogen-substitute d aryl moiety, an alkoxy moiety, a siloxy-moiety, or a nitrogen-containing moiety, preferably H. Such compounds may be used in a catalyst system for olefin polymerisation, particularly ethylene copolymerisation, providing at least one of a high catalyst activity, a high comonomer incorporation, and/or a high molecular weight polymer.

公开(公告)号：US20210253749A1

公开(公告)日：2021-08-19

申请号：US17267663

申请日：2019-08-29

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Coen HENDRIKSEN ,  Nicolaas Hendrika FRIEDERICHS ,  Jaiprakash Brijlal SAINANI ,  Anamitra CHATTERJEE ,  Vyatcheslav IZMER ,  Dmitry KONONOVICH ,  Alexander VOSKOBOYNIKOV ,  Vincenzo BUSICO ,  Roberta CIPULLO ,  Antonio VITTORIA ,  Oleg V. SAMSONOV

IPC: C08F4/6592 ,  C08F4/659 ,  C08F210/16

Abstract: The present invention provides a compound according to formula (I): (I) wherein: R2 is a bridging moiety containing at least one sp2 hybridised carbon atom; each R4, R4′, R7 and R7′ are hydrogen or moieties comprising 1-10 carbon atoms, wherein each R4, R4′, R7 and R7′ are the same; each R5, R5′, R6 and R6′ are moieties comprising 1-10 carbon atoms, wherein each R5, R5′, R6 and R6′ are the same; and Z is a moiety selected from ZrX2, HfX2, or TiX2, 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 Mw in ethylene polymerisation, and increased comonomer incorporation in copolymerisation reactions of olefins, such as in copolymerisation reactions of ethylene with 1-hexene.

公开(公告)号：US20220356138A1

公开(公告)日：2022-11-10

申请号：US17623449

申请日：2020-06-19

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Jaiprakash Brijlal SAINANI ,  Shirish Shrikant ABHYANKAR

IPC: C07C41/14 ,  C07C41/40

Abstract: The present invention relates to a process for the di-O-alkylation of a 1,3-diol according to Formula I (I), said process comprising reacting said 1,3-diol with dioxane, an aliphatic or aromatic hydrocarbon solvent, an alkali metal hydroxide, and dimethyl sulphate, in order to obtain a 1,3-diether according to Formula II (II), wherein R1 and R2 are each independently a hydrogen atom or a hydrocarbyl group selected from alkyl, alkenyl, aryl, aralkyl, or alkylaryl groups, and one or more combinations thereof. The process according to the invention is an improved process for preparing 1,3-diether, such as 9,9-bis(methoxymethyl)fluorene, in a high yield and/or having a high purity. 9,9-bis(methoxymethyl)fluorene is a compound that is used as an electron donor for Ziegler-Natta catalysts.

公开(公告)号：US20230373891A1

公开(公告)日：2023-11-23

申请号：US18031506

申请日：2020-10-13

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Jaiprakash Brijlal SAINANI ,  Kiran Arunkumar PUTHAMANE ,  Shirish Shrikant ABHYANKAR ,  Omkar GADGIL

IPC: C07C41/16 ,  C07C41/34 ,  C07C41/42

CPC classification number: C07C41/16 ,  C07C41/34 ,  C07C41/42

Abstract: The present invention relates to a process for the preparation of 2-isopentyl-2-isopropyl-1,3-dimethoxypropane, said process comprising the steps of: i) contacting iso-valderaldehyde with an aqueous solution of a hydroxide base selected from the group consisting of sodium hydroxide (NaOH), potassium hydroxide (KOH) or a combination thereof, said solution having an amount of said hydroxide base of at least 20% w/v, and (m)ethanol; to form (2Z)-2-isopropyl-5-methyl-2-hexenal; step ii) contacting (2Z)-2-iso-propyl-5-methyl-2-hexenal with a reducing system to form 2-isopropyl-5-methylhexanal; step iii) contacting 2-isopropyl-5-methylhexanal with formaldehyde and an inorganic base to form 2-isopentyl-2-isopropylpropane-1,3-diol; and step iv) contacting 2- isopentyl-2-isopropylpropane-1,3-diol with a methylation agent and a base to form 2-isopentyl-2-isopropyl-1,3-dimethoxypropane.

公开(公告)号：US20230151030A1

公开(公告)日：2023-05-18

申请号：US17916197

申请日：2021-04-02

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Sambhaji Nanasaheb CHOUGULE ,  Anamitra CHATTERJEE ,  Jaiprakash Brijlal SAINANI ,  Sivalingam GUNASEKARAN ,  Bharatkumar Ravjibhai PAGHADAR

IPC: C07F5/02 ,  C07F17/00 ,  B01J23/44

CPC classification number: C07F5/025 ,  C07F17/00 ,  B01J23/44

Abstract: The invention relates to a process for preparing a boronic anhydride compound of formula (1), wherein, R1-R4 are substituents as defined in the disclosure and ‘B’ stands for the element boron. The invention also describes a process of using the boronic anhydride of formula (1), to prepare a biphenyl metallocene complex of formula (4), wherein, R1 to R10, are substituents as defined in the disclosure; and wherein ‘M’ is a transition metal element, ‘Q’ is an halide anion, and ‘P’ is the valency of the transition metal element ‘M’ and indicates the number of halide anion present. In addition, the invention further describes a process of purifying the metallocene complex of formula (4) so as to render the overall metallocene complex synthesis process environmentally sustainable as well as cost effective by minimizing waste effluents.