Patents by Inventor Vimalkumar Mahendrabhai Patel
Vimalkumar Mahendrabhai Patel has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10106632Abstract: 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 R9zMgX2-z wherein R9 is 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(OR10)v-w(OR11)w, wherein M can be Ti, Zr, Hf, Al or Si, and M(OR10)v-w(R11)w, wherein M is Si, each R10 and R11, 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 aType: GrantFiled: January 13, 2017Date of Patent: October 23, 2018Assignee: SAUDI BASIC INDUSTRIES CORPORATIONInventors: Mansour Taftaf, Jaiprakash Brijlal Sainani, Vladimir Aleksandrovich Zakharov, Gennadii Dimitrievich Bukatov, Vimalkumar Mahendrabhai Patel, Sergei Andreevich Sergeev, Martin Alexander Zuideveld, Aurora Alexandra Batinas-Geurts
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Patent number: 10059656Abstract: 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.Type: GrantFiled: December 19, 2014Date of Patent: August 28, 2018Assignees: SABIC GLOBAL TECHNOLOGIES B.V., SAUDI BASIC INDUSTRIES CORPORATIONInventors: 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
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Publication number: 20170283531Abstract: 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)n(OR11)4?n??(Formula I), wherein, Si is a silicon atom with valency 4+; O is an oxygen atom with valency 2? and O is bonded to Si via the silicon-oxygen bond; n is 1, 2, 3 or 4; R11 is 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 linType: ApplicationFiled: June 16, 2017Publication date: October 5, 2017Inventors: Martin Alexander Zuideveld, Jaiprakash Brijlal Sainani, Vimalkumar Mahendrabhai Patel
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Patent number: 9701773Abstract: 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)n(OR11)4-n (Formula I), wherein, Si is a silicon atom with valency 4+; O is an oxygen atom with valency 2? and O is bonded to Si via the silicon-oxygen bond; n is 1, 2, 3 or 4; R11 is 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, branchedType: GrantFiled: August 11, 2014Date of Patent: July 11, 2017Assignees: SABIC GLOBAL TECHNOLOGIES, B.V., SAUDI BASIC INDUSTRIES CORPORATIONInventors: Martin Alexander Zuideveld, Jaiprakash Brijlal Sainani, Vimalkumar Mahendrabhai Patel
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Patent number: 9688790Abstract: 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: R1, R2, R3, R4, R5 and R6 are 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; 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; 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.Type: GrantFiled: June 24, 2013Date of Patent: June 27, 2017Assignee: SAUDI BASIC INDUSTRIES CORPORATIONInventors: Mansour Taftaf, Martin Alexander Zuideveld, Aurora Alexandra Batinas-Geurts, Jaiprakash Brijlal Sainani, Vimalkumar Mahendrabhai Patel, Vladimir Aleksandrovich Zakharov, Gennadii Dimitrievich Bukatov, Sergei Andreevich Sergeev, Nourdin Ghalit
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Patent number: 9663596Abstract: A catalyst composition comprising a monoester, the compound represented by formula (I) as an internal electron donor, and optionally an additional internal electron donor selected from a group consisting of diesters and diethers, wherein: R1, R2, R3, R4, R5 and R6 are hydrogen, straight, branched and cyclic alkyl having at most 20 carbon atoms and aromatic substituted and unsubstituted hydrocarbyl having 6 to 20 carbon atoms, R7 is a straight, branched and cyclic alkyl having at most 20 carbon atoms and aromatic substituted and unsubstituted hydrocarbyl having 6 to 20 carbon atoms, and R8 is an aromatic substituted and unsubstituted hydrocarbyl having 6 to 20 carbon atoms. Also described is a process for preparing the polymerization catalyst composition, a polymerization catalyst system comprising the catalyst composition, a co-catalyst and optionally an external electron donor; and use of the catalyst system for polymerization of olefins.Type: GrantFiled: January 28, 2014Date of Patent: May 30, 2017Assignee: SAUDI BASIC INDUSTRIES CORPORATIONInventors: Mansour Taftaf, Jaiprakash Brijlal Sainani, Vladimir Aleksandrovich Zakharov, Gennadii Dimitrievich Bukatov, Vimalkumar Mahendrabhai Patel, Sergei Andreevich Sergeev, Martin Alexander Zuideveld, Aurora Alexandra Batinas-Geurts
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Publication number: 20170129974Abstract: 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 R9zMgXz2-z wherein R9 is 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 aryloky-containing silane compound pound to given 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(OR10)v-w(OR11)w, wherein M can be Ti, Zr, HI, Al or Si, and M(OR10)v-w(R11)w, wherein M is Si, each R10 and R11, 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 activatType: ApplicationFiled: January 13, 2017Publication date: May 11, 2017Inventors: Mansour TAFTAF, Jaiprakash Brijlal SAINANI, Vladimir Aleksandrovich ZAKHAROV, Gennadii Dimitrievich BUKATOV, Vimalkumar Mahendrabhai PATEL, Sergei Andreevich SERGEEV, Martin Alexander Zuideveld, Aurora Alexandra BATINAS-GEURTS
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Patent number: 9587051Abstract: A process for preparing a catalyst component, including: contacting a compound R9zMgX2-z wherein R9 is aromatic, aliphatic or cyclo-aliphatic group containing up to 20 carbon atoms, X is a halide, and z is larger than 0 and smaller than 2, with an alkoxy- or aryloxy-containing silane compound to give a first intermediate reaction product; contacting the first intermediate reaction product with at least one activating compound selected electron donors, compounds of formula M(OR10)v-w(OR11)w, wherein M is Ti, Zr, Hf, Al or Si, and M(OR10)v-w(R11)w wherein M is Si, each R10 and R11, independently, represent an alkyl, alkenyl or aryl group, v is the valency of M, v is 3 or 4, and w is less than v, to give a second intermediate reaction product; and contacting the second intermediate reaction product with a halogen-containing Ti-compound, a monoester as activating agent, and a 1,3-diether as an internal electron donor.Type: GrantFiled: January 28, 2014Date of Patent: March 7, 2017Assignee: SAUDI BASIC INDUSTRIES CORPORATIONInventors: Mansour Taftaf, Jaiprakash Brijlal Sainani, Vladimir Aleksandrovich Zakharov, Gennadii Dimitrievich Bukatov, Vimalkumar Mahendrabhai Patel, Sergei Andreevich Sergeev, Martin Alexander Zuideveld, Aurora Alexandra Batinas-Geurts
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Publication number: 20160340293Abstract: 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.Type: ApplicationFiled: December 19, 2014Publication date: November 24, 2016Inventors: 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
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Publication number: 20160176998Abstract: 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)n(OR11)4-n (Formula I), wherein, Si is a silicon atom with valency 4+; O is an oxygen atom with valency 2? and O is bonded to Si via the silicon-oxygen bond; n is 1, 2, 3 or 4; R11 is 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, branchedType: ApplicationFiled: August 11, 2014Publication date: June 23, 2016Applicant: SAUDI BASIC INDUSTRIES CORPORATIONInventors: Martin Alexander Zuideveld, Jaiprakash Brijlal Sainani, Vimalkumar Mahendrabhai Patel
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Publication number: 20150368381Abstract: A process for preparing a catalyst component, including: contacting a compound R9zMgX2?z wherein R9 is aromatic, aliphatic or cyclo-aliphatic group containing up to 20 carbon atoms, X is a halide, and z is larger than 0 and smaller than 2, with an alkoxy- or aryloxy-containing silane compound to give a first intermediate reaction product; contacting the first intermediate reaction product with at least one activating compound selected electron donors, compounds of formula M(OR10)v-w(OR11)w, wherein M is Ti, Zr, Hf, Al or Si, and M(OR10)v-w(R11)w wherein M is Si, each R10 and R11, independently, represent an alkyl, alkenyl or aryl group, v is the valency of M, v is 3 or 4, and w is less than v, to give a second intermediate reaction product; and contacting the second intermediate reaction product with a halogen-containing Ti-compound, a monoester as activating agent, and a 1,3-diether as an internal electron donor.Type: ApplicationFiled: January 28, 2014Publication date: December 24, 2015Inventors: Mansour TAFTAF, Jaiprakash Brijlal SAINANI, Vladimir Aleksandrovich ZAKHAROV, Gennadii Dimitrievich BUKATOV, Vimalkumar Mahendrabhai Patel, Sergei Andreevich SERGEEV, Martin Alexander ZUIDEVELD, Aurora Alexandra BATINAS-GEURTS
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Publication number: 20150353656Abstract: A catalyst composition comprising a monoester, the compound represented by formula (I) as an internal electron donor, and optionally an additional internal electron donor selected from a group consisting of diesters and diethers, wherein: R1, R2, R3, R4, R5 and R6 are hydrogen, straight, branched and cyclic alkyl having at most 20 carbon atoms and aromatic substituted and unsubstituted hydrocarbyl having 6 to 20 carbon atoms, R7 is a straight, branched and cyclic alkyl having at most 20 carbon atoms and aromatic substituted and unsubstituted hydrocarbyl having 6 to 20 carbon atoms, and R8 is an aromatic substituted and unsubstituted hydrocarbyl having 6 to 20 carbon atoms. Also described is a process for preparing the polymerization catalyst composition, a polymerization catalyst system comprising the catalyst composition, a co-catalyst and optionally an external electron donor; and use of the catalyst system for polymerization of olefins.Type: ApplicationFiled: January 28, 2014Publication date: December 10, 2015Applicant: SAUDI BASIC INDUSTRIES CORPORATIONInventors: Mansour TAFTAF, Jaiprakash Brijlal SAINANI, Vladimir Aleksandrovich ZAKHAROV, Gennadii Dimitrievich BUKATOV, Vimalkumar Mahendrabhai PATEL, Sergei Andreevich SERGEEV, Martin Alexander ZUIDEVELD, Aurora Alexandra BATINAS-GEURTS
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Publication number: 20150259448Abstract: 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: R1, R2, R3, R4, R5 and R6 are 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; 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; 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.Type: ApplicationFiled: June 24, 2013Publication date: September 17, 2015Applicant: SAUDI BASIC INDUSTRIES CORPORTIONInventors: Mansour Taftaf, Martin Alexander Zuideveld, Aurora Alexandra Batinas-Geurts, Jaiprakash Brijlal Sainani, Vimalkumar Mahendrabhai Patel, Vladimir Aleksandrovich Zakharov, Gennadii Dimitrievich Bukatov, Sergei Andreevich Sergeev, Nourdin Ghalit
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Patent number: 8927753Abstract: The present invention relates to a method for preparing di-organo-dialkoxysilanes, in particular di-organo-dialkoxysilanes wherein one or both of the organic substituents are bulky. The method comprises reacting a tetraalkoxysilane compound with a first Grignard reagent to form a mono-organo-tri-alkoxysilane compound, which is then reacted with a chlorinating agent to form a chlorinated mono-organo-di-alkoxysilane which is then reacted with a second Grignard reagent to form the di-organo-di-alkoxysilane compound.Type: GrantFiled: December 21, 2012Date of Patent: January 6, 2015Assignee: Saudi Basic Industries CorporationInventors: Jaiprakash Brijlal Sainani, Vimalkumar Mahendrabhai Patel, Mahesh Davadra