Patents by Inventor Jaiprakash Brijlal Sainani

Jaiprakash Brijlal Sainani 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).

  • Publication number: 20210253749
    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.
    Type: Application
    Filed: August 29, 2019
    Publication date: August 19, 2021
    Inventors: 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
  • Patent number: 11066354
    Abstract: 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 —H, -halogen, linear or branched C1-C7 alkyl group, linear or branched C1-C5 alkoxy group, —NO2 and —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, CH3 or C2H5, b) reacting the intermediate product of step a) with a compound represented by Y2SO4 (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).
    Type: Grant
    Filed: June 11, 2018
    Date of Patent: July 20, 2021
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Prashant Sukumar Shinge, Jaiprakash Brijlal Sainani
  • Patent number: 10882929
    Abstract: 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.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: January 5, 2021
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Jaiprakash Brijlal Sainani, Akhlaq Moman
  • Patent number: 10882924
    Abstract: 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.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: January 5, 2021
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Jaiprakash Brijlal Sainani, Akhlaq Moman
  • Patent number: 10766854
    Abstract: The present invention relates to a process for synthesis of a compound according to Formula (A): wherein R1 is a substituted or unsubstituted aryl having 6 to 20 carbon atoms; preferably substituted or unsubstituted phenyl; R2 is a straight or branched alkyl having 1 to 12 carbon atoms; and R3 is a straight or branched alkyl having 1 to 12 carbon atoms; starting from a di-keto compound according to Formula (B) wherein R3 is as shown above, which compound is converted into a ketoenamine compound according to Formula (C) wherein R2 and R3 are as shown above, which ketoenamine compound is then reduced to an amino alcohol according to Formula (D), wherein R2 and R3 are 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.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: September 8, 2020
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Shirish Shrikant Abhyankar, Abbas-Alli Ghudubhai Shaikh, Sivalingam Gunasekaran, Jaiprakash Brijlal Sainani
  • Publication number: 20200239407
    Abstract: The present invention relates to a process for synthesis of a compound according to Formula (A): wherein R1 is a substituted or unsubstituted aryl having 6 to 20 carbon atoms; preferably substituted or unsubstituted phenyl; R2 is a straight or branched alkyl having 1 to 12 carbon atoms; and R3 is a straight or branched alkyl having 1 to 12 carbon atoms; starting from a di-keto compound according to Formula (B) wherein R3 is as shown above, which compound is converted into a ketoenamine compound according to Formula (C) wherein R2 and R3 are as shown above, which ketoenamine compound is then reduced to an amino alcohol according to Formula (D), wherein R2 and R3 are 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.
    Type: Application
    Filed: October 19, 2018
    Publication date: July 30, 2020
    Inventors: Shirish Shrikant Abhyankar, Abbas-Alli Ghudubhai Shaikh, Sivalingam Gunasekaran, Jaiprakash Brijlal Sainani
  • Publication number: 20200140373
    Abstract: 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 —H, -halogen, linear or branched C1-C7 alkyl group, linear or branched C1-C5 alkoxy group, —NO2 and —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, CH3 or C2H5, b) reacting the intermediate product of step a) with a compound represented by Y2SO4 (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).
    Type: Application
    Filed: June 11, 2018
    Publication date: May 7, 2020
    Inventors: Prashant Sukumar Shinge, Jaiprakash Brijlal Sainani
  • Patent number: 10611864
    Abstract: The present invention relates to a compound according to Formula (I) wherein R1 is a hydrocarbyl group selected from the group consisting of alkyl, alkenyl, aryl, aralkyl, and alkylaryl groups, and one or more combinations thereof; wherein R2 is a hydrogen atom, an aryl group or an alkyl group; and wherein R3, R4, R5 and R6, 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 R1 is a hydrocarbyl group selected from the group consisting of alkyl, alkenyl, aryl, aralkyl, alkoxycarbonyl and alkylaryl groups, and one or more combinations thereof; wherein R2 is a hydrogen atom or an alkyl group; wherein R3, R4, R5 and R6, are the same or different and are each independently sele
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: April 7, 2020
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Martin Alexander Zuideveld, Jaiprakash Brijlal Sainani, Osamah Al-Humaidan, Sudhakar R. Padmanabhan, Prashant Sukumar Shinge, Sharankumar G. Shetty, Abbas-Alli Ghudubhai Shaikh
  • Patent number: 10570073
    Abstract: 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.
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: February 25, 2020
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventor: Jaiprakash Brijlal Sainani
  • Publication number: 20190225716
    Abstract: 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.
    Type: Application
    Filed: September 29, 2017
    Publication date: July 25, 2019
    Inventors: Jaiprakash Brijlal Sainani, Akhlaq Moman
  • Publication number: 20190225718
    Abstract: 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.
    Type: Application
    Filed: September 29, 2017
    Publication date: July 25, 2019
    Inventors: Jaiprakash Brijlal Sainani, Akhlaq Moman
  • Publication number: 20190194104
    Abstract: 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.
    Type: Application
    Filed: September 1, 2017
    Publication date: June 27, 2019
    Inventor: Jaiprakash Brijlal Sainani
  • Patent number: 10160816
    Abstract: 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.
    Type: Grant
    Filed: June 1, 2015
    Date of Patent: December 25, 2018
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Jaiprakash Brijlal Sainani, Shirish Shrikant Abhyankar, Gennadii Dimitrievich Bukatov, Martin Alexander Zuideveld, Mansour Taftaf, Aurora Alexandra Batinas-Geurts
  • Patent number: 10138187
    Abstract: 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.
    Type: Grant
    Filed: May 30, 2016
    Date of Patent: November 27, 2018
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventor: Jaiprakash Brijlal Sainani
  • Patent number: 10106632
    Abstract: 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 a
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: October 23, 2018
    Assignee: SAUDI BASIC INDUSTRIES CORPORATION
    Inventors: Mansour Taftaf, Jaiprakash Brijlal Sainani, Vladimir Aleksandrovich Zakharov, Gennadii Dimitrievich Bukatov, Vimalkumar Mahendrabhai Patel, Sergei Andreevich Sergeev, Martin Alexander Zuideveld, Aurora Alexandra Batinas-Geurts
  • Publication number: 20180273661
    Abstract: The present invention relates to a compound according to Formula (I) wherein R1 is a hydrocarbyl group selected from the group consisting of alkyl, alkenyl, aryl, aralkyl, and alkylaryl groups, and one or more combinations thereof; wherein R2 is a hydrogen atom, an aryl group or an alkyl group; and wherein R3, R4, R5 and R6, 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 R1 is a hydrocarbyl group selected from the group consisting of alkyl, alkenyl, aryl, aralkyl, alkoxycarbonyl and alkylaryl groups, and one or more combinations thereof; wherein R2 is a hydrogen atom or an alkyl group; wherein R3, R4, R5 and R6, are the same or different and are each independently sele
    Type: Application
    Filed: September 22, 2016
    Publication date: September 27, 2018
    Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Martin Alexander Zuideveld, Jaiprakash Brijlal Sainani, Osamah Al-Humaidan, Sudhakar R. Padmanabhan, Prashant Sukumar Shinge, Sharankumar G. Shetty, Abbas-Alli Ghudubhai Shaikh
  • Patent number: 10081586
    Abstract: 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.
    Type: Grant
    Filed: May 30, 2016
    Date of Patent: September 25, 2018
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventor: Jaiprakash Brijlal Sainani
  • Patent number: 10059656
    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.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: August 28, 2018
    Assignees: SABIC GLOBAL TECHNOLOGIES B.V., SAUDI BASIC INDUSTRIES CORPORATION
    Inventors: 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
  • Publication number: 20180208530
    Abstract: 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.
    Type: Application
    Filed: May 30, 2016
    Publication date: July 26, 2018
    Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventor: Jaiprakash Brijlal Sainani
  • Patent number: 10005859
    Abstract: The present invention relates to a procatalyst comprising the compound represented by formula A as an internal electron donor, wherein: R81, R82, R83, R84, R85, and R86 are 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; R87 is 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 R80 group 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.
    Type: Grant
    Filed: June 1, 2015
    Date of Patent: June 26, 2018
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Khalid Abdullah Al-Bahily, Jaiprakash Brijlal Sainani, Shirish Shrikant Abhyankar, Gennadii Dimitrievich Bukatov, Martin Alexander Zuideveld, Mansour Taftaf, Aurora Alexandra Batinas-Geurts, Osamah Al-Humaidan, Vladimir Aleksandrovich Zakharov, Sergei Andreevich Sergeev