Patents by Inventor Grigory Nikiforov

Grigory Nikiforov 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).

  • Patent number: 11820654
    Abstract: Methods for producing halosilazane comprise halogenating a hydrosilazane with a halogenating agent to produce the halosilazane, the halosilazane having a formula (SiHa(NR2)bXc)(n+2)Nn(SiH(2?d)Xd)(n?1), wherein each a, b, c is independently 0 to 3; a+b+c=3; d is 0 to 2 and n?1; wherein X is selected from a halogen atom selected from F, Cl, Br or I; each R is selected from H, a C1-C6 linear or branched, saturated or unsaturated hydrocarbyl group, or a silyl group [SiR?3]; further wherein each R? of the [SiR?3] is independently selected from H, a halogen atom selected from F, Cl, Br or I, a C1-C4 saturated or unsaturated hydrocarbyl group, a C1-C4 saturated or unsaturated alkoxy group, or an amino group [—NR1R2] with each R1 and R2 being further selected from H or a C1-C6 linear or branched, saturated or unsaturated hydrocarbyl group, provided that when c=0, d?0; or d=0, c?0.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: November 21, 2023
    Assignee: L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude
    Inventors: Jean-Marc Girard, Peng Zhang, Antonio Sanchez, Manish Khandelwal, Gennadiy Itov, Reno Pesaresi, Grigory Nikiforov, David Orban
  • Publication number: 20230272524
    Abstract: A genus of rare earth containing chemicals is disclosed. These rare earth containing chemicals are suitable for use in sequential vapor deposition processes to form rare earth fluoride or rare earth oxyfluoride films. Such films may be used to protect materials and devices from corrosive chemicals.
    Type: Application
    Filed: June 16, 2021
    Publication date: August 31, 2023
    Inventors: Takashi TERAMOTO, Christian DUSSARRAT, Grigory NIKIFOROV, Nicolas BLASCO, Jean-Marc GIRARD, Takashi ONO, Keishi YAMAMOTO, Masato HIRAI, Sunao KAMIMURA
  • Patent number: 11739220
    Abstract: A Si-containing film forming composition comprising a catalyst and/or a polysilane and a N—H free, C-free, and Si-rich perhydropolysilazane having a molecular weight ranging from approximately 332 dalton to approximately 100,000 dalton and comprising N—H free repeating units having the formula [—N(SiH3)x(SiH2-)y], wherein x=0, 1, or 2 and y=0, 1, or 2 with x+y=2; and x=0, 1 or 2 and y=1, 2, or 3 with x+y=3. Also disclosed are synthesis methods and applications for using the same.
    Type: Grant
    Filed: February 21, 2019
    Date of Patent: August 29, 2023
    Assignees: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude, American Air Liquide, Inc.
    Inventors: Antonio Sanchez, Gennadiy Itov, Manish Khandelwal, Cole Ritter, Peng Zhang, Jean-Marc Girard, Zhiwen Wan, Glenn Kuchenbeiser, David Orban, Sean Kerrigan, Reno Pesaresi, Matthew Damien Stephens, Yang Wang, Guillaume Husson, Grigory Nikiforov
  • Publication number: 20230183281
    Abstract: A method for synthesizing Pt(PF3)4 (CAS #19529-53-4) comprises dissolving a platinum compound having a general formula, Pt(Hal)2(PF3)x, in an anhydrous solvent forming a Pt(Hal)2(PF3)x solution, wherein Hal=F, Cl, Br or x=1, 2, adding a metal powder and excess amount of PF3 into the Pt(Hal)2(PF3)x solution, and forming Pt(PF3)4 through a reaction between Pt(Hal)2(PF3)x, PF3 and the metal powder under a reaction condition. The method further comprises synthesizing Pt(Hal)2(PF3)x through the steps of dispersing a platinum precursor having a general formula, Pt(Hal)2, into the anhydrous solvent forming a suspension of Pt(Hal)2, wherein Hal=F, Cl, Br or I, introducing PF3 into the suspension of Pt(Hal)2, and forming the solution of the platinum compound Pt(Hal)2(PF3)x in the anhydrous solvent through a reaction of PF3 and Pt(Hal)2.
    Type: Application
    Filed: December 9, 2021
    Publication date: June 15, 2023
    Inventors: Grigory NIKIFOROV, Nicolas BLASCO
  • Patent number: 11673904
    Abstract: A method for synthesizing Pt(PF3)4 (CAS # 19529-53-4) comprises dissolving a platinum compound having a general formula, Pt(Hal)2(PF3)x, in an anhydrous solvent forming a Pt(Hal)2(PF3)x solution, wherein Hal=F, Cl, Br or I, x=1, 2, adding a metal powder and excess amount of PF3 into the Pt(Hal)2(PF3)x solution, and forming Pt(PF3)4 through a reaction between Pt(Hal)2(PF3)x, PF3 and the metal powder under a reaction condition. The method further comprises synthesizing Pt(Hal)2(PF3)xthrough the steps of dispersing a platinum precursor having a general formula, Pt(Hal)2, into the anhydrous solvent forming a suspension of Pt(Hal)2, wherein Hal=F, Cl, Br or I, introducing PF3 into the suspension of Pt(Hal)2, and forming the solution of the platinum compound Pt(Hal)2(PF3)xin the anhydrous solvent through a reaction of PF3 and Pt(Hal)2.
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: June 13, 2023
    Assignee: L'Air Liquide, Societe Anonyme pour l'Etude Et l'Exploitation des Procedes Georges Claude
    Inventors: Grigory Nikiforov, Nicolas Blasco
  • Patent number: 11401166
    Abstract: Methods of selectively synthesizing n-tetrasilane are disclosed. N-tetrasilane is prepared by catalysis of silane (SiH4), disilane (Si2H6), trisilane (Si3H8), or mixtures thereof. More particularly, the disclosed synthesis methods tune and optimize the n-tetrasilane:i-tetrasilane isomer ratio. The isomer ratio may be optimized by selection of process parameters, such as temperature and the relative amount of starting compounds, as well as selection of proper catalyst. The disclosed synthesis methods allow facile preparation of n-tetrasilane.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: August 2, 2022
    Assignee: L'Air Liaquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude
    Inventors: Grigory Nikiforov, Gennadiy Itov
  • Patent number: 11377359
    Abstract: Synthesis of silanes with more than three silicon atoms are disclosed (i.e., SinH(2n+2) with n=4-100). More particularly, the disclosed synthesis methods tune and optimize the isomer ratio by selection of process parameters such as temperature, residence time, and the relative amount of starting compounds, as well as selection of proper catalyst. The disclosed synthesis methods allow facile preparation of silanes containing more than three silicon atoms and particularly, the silanes containing preferably one major isomer. The pure isomers and isomer enriched mixtures are prepared by catalytic transformation of silane (SiH4), disilane (Si2H6), trisilane (Si3H8), and mixtures thereof.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: July 5, 2022
    Assignee: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude
    Inventors: Grigory Nikiforov, Guillaume Husson, Gennadiy Itov, Yang Wang
  • Publication number: 20220135501
    Abstract: A metal cyclopentadienyl complex has the formula: wherein m?0; M is a Group I, II or III main group metal, alkali or transition metal; C5H4 represents a Cp ring where two hydrogens are substituted by M and R(F)m; R(F)m is connected to any one of the carbon atoms of the Cp and selected from a hydrocarbyl, fluorohydrocarbyl, silyl group [SiR?3], or amino group [—NR1R2]. The metal cyclopentadienyl complexes include Li(C5H4-2-C5H11) (CAS No: 2413046-23-6), K(C5H4-2-C5H11), Na(C5H4-2-C5H11), K(C5H4-1-F—C4H10), K(C5H4-1,1,1-3F—C4H6), Li(C5H4-2-C4H9), or In(C5H4-2-C5H11) (CAS No.: 2364634-67-1). A mono-substituted cyclopentadiene has the formula: wherein m?0; C5H5 represents the Cp ring where one hydrogen is substituted R(F)m; R(F)m is connected to any one of the carbon atoms of the Cp and selected from a hydrocarbyl, fluorohydrocarbyl, silyl group [SiR?3], or amino group [—NR1R2]. The mono-substituted cyclopentadienes include C5H5-1-F—C4H10, C5H5-2-C5H11, C5H5-2-C4H9, or C5H5-1,1,1-3F—C4H6.
    Type: Application
    Filed: January 19, 2022
    Publication date: May 5, 2022
    Inventor: Grigory NIKIFOROV
  • Patent number: 11274069
    Abstract: Disclosed are mono-substituted cyclopentadienes, metal cyclopentadienyl complexes and methods for synthesizing them. The disclosed mono-substituted cyclopentadienes are synthesized by a selective catalytic carbon-carbon coupling reaction. The disclosed metal cyclopentadienyl complexes are synthesized from the disclosed mono-substituted cyclopentadienes. The disclosed metal cyclopentadienyl complexes include main group metal and transition metal cyclopentadienyl complexes, and may be used as deposition precursors contained in film forming compositions for film depositions in semiconductor industry, such as ALD, CVD, SOD, etc.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: March 15, 2022
    Assignee: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude
    Inventor: Grigory Nikiforov
  • Publication number: 20220048837
    Abstract: Disclosed are mono-substituted cyclopentadienes, metal cyclopentadienyl complexes and methods for synthesizing them. The disclosed mono-substituted cyclopentadienes are synthesized by a selective catalytic carbon-carbon coupling reaction. The disclosed metal cyclopentadienyl complexes are synthesized from the disclosed mono-substituted cyclopentadienes. The disclosed metal cyclopentadienyl complexes include main group metal and transition metal cyclopentadienyl complexes, and may be used as deposition precursors contained in film forming compositions for film depositions in semiconductor industry, such as ALD, CVD, SOD, etc.
    Type: Application
    Filed: August 13, 2020
    Publication date: February 17, 2022
    Inventor: Grigory NIKIFOROV
  • Patent number: 11230474
    Abstract: Methods of selectively synthesizing n-tetrasilane are disclosed. N-tetrasilane is prepared by pyrolysis of silane (SiH4), disilane (Si2H6), trisilane (Si3H8), or mixtures thereof. More particularly, the disclosed synthesis methods tune and optimize the n-tetrasilane:i-tetrasilane isomer ratio. The isomer ratio may be optimized by selection of process parameters, such as temperature, residence time, and the relative amount of starting compounds. The disclosed synthesis methods allow facile preparation of n-tetrasilane.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: January 25, 2022
    Assignee: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude
    Inventors: Gennadiy Itov, Jian Hou, Grigory Nikiforov
  • Publication number: 20210395890
    Abstract: Methods for producing halosilazane comprise halogenating a hydrosilazane with a halogenating agent to produce the halosilazane, the halosilazane having a formula (SiHa(NR2)bXc)(n+2)Nn(SiH(2?d)Xd)(n?1), wherein each a, b, c is independently 0 to 3; a+b+c=3; d is 0 to 2 and n?1; wherein X is selected from a halogen atom selected from F, Cl, Br or I; each R is selected from H, a C1-C6 linear or branched, saturated or unsaturated hydrocarbyl group, or a silyl group [SiR?3]; further wherein each R? of the [SiR?3] is independently selected from H, a halogen atom selected from F, Cl, Br or I, a C1-C4 saturated or unsaturated hydrocarbyl group, a C1-C4 saturated or unsaturated alkoxy group, or an amino group [—NR1R2] with each R1 and R2 being further selected from H or a C1-C6 linear or branched, saturated or unsaturated hydrocarbyl group, provided that when c=0, d?0; or d=0, c?0.
    Type: Application
    Filed: August 23, 2021
    Publication date: December 23, 2021
    Inventors: Jean-Marc GIRARD, Peng ZHANG, Antonio SANCHEZ, Manish KHANDELWAL, Gennadiy ITOV, Reno PESARESI, Grigory NIKIFOROV, David ORBAN
  • Patent number: 11168099
    Abstract: Disclosed are methods of synthesizing and using Titanium-containing film forming compositions comprising titanium halide-containing precursors to deposit Titanium-containing films on one or more substrates via vapor deposition processes.
    Type: Grant
    Filed: May 11, 2020
    Date of Patent: November 9, 2021
    Assignee: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude
    Inventors: Antonio Sanchez, Jean-Marc Girard, Grigory Nikiforov, Nicolas Blasco
  • Patent number: 11124876
    Abstract: Methods for halogenation of a hydrosilazane include contacting the hydrosilazane with a halogenating agent in a liquid phase to produce the halosilazane having a formula (SiHa(NR2)bXc)(n+2)Nn(SiH(2?d)Xd)(n?1), wherein each a, b, c is independently 0 to 3; a+b+c=3; d is 0 to 2 and n?1; wherein X is selected from a halogen atom selected from F, Cl, Br or I; each R is selected from H, a C1-C6 linear or branched, saturated or unsaturated hydrocarbyl group, or a silyl group [SiR?3]; further wherein each R? of the [SiR?3] is independently selected from H, a halogen atom selected from F, Cl, Br or I, a C1-C4 saturated or unsaturated hydrocarbyl group, a C1-C4 saturated or unsaturated alkoxy group, or an amino group [—NR1R2] with each R1 and R2 being further selected from H or a C1-C6 linear or branched, saturated or unsaturated hydrocarbyl group.
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: September 21, 2021
    Assignee: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude
    Inventors: Jean-Marc Girard, Peng Zhang, Antonio Sanchez, Manish Khandelwal, Gennadiy Itov, Reno Pesaresi, Grigory Nikiforov, David Orban
  • Patent number: 11097953
    Abstract: Synthesis of silanes with more than three silicon atoms are disclosed (i.e., (SinH(2n+2) with n=4-100). More particularly, the disclosed synthesis methods tune and optimize the isomer ratio by selection of process parameters such as temperature, residence time, and the relative amount of starting compounds, as well as selection of proper catalyst. The disclosed synthesis methods allow facile preparation of silanes containing more than three silicon atoms and particularly, the silanes containing preferably one major isomer. The pure isomers and isomer enriched mixtures are prepared by catalytic transformation of silane (SiH4), disilane (Si2H6), trisilane (Si3H8), and mixtures thereof.
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: August 24, 2021
    Assignees: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude, American Air Liquide, Inc.
    Inventors: Grigory Nikiforov, Guillaume Husson, Gennadiy Itov, Yang Wang
  • Publication number: 20210102092
    Abstract: A Si-containing film forming composition comprising a catalyst and/or a polysilane and a N—H free, C-free, and Si-rich perhydropolysilazane having a molecular weight ranging from approximately 332 dalton to approximately 100,000 dalton and comprising N—H free repeating units having the formula [—N(SiH3)×(SiH2?)y], wherein x=0, 1, or 2 and y=0, 1, or 2 with x+y=2; and x=0, 1 or 2 and y=1, 2, or 3 with x+y=3. Also disclosed are synthesis methods and applications for using the same.
    Type: Application
    Filed: February 21, 2019
    Publication date: April 8, 2021
    Inventors: Antonio SANCHEZ, Gennadiy ITOV, Manish KHANDELWAL, Cole RITTER, Peng ZHANG, Jean-Marc GIRARD, Zhiwen WAN, Glenn KUCHENBEISER, David ORBAN, Sean KERRIGAN, Reno PESARESI, Matthew Damien STEPHENS, Yang WANG, Guillaume HUSSON, Grigory NIKIFOROV
  • Publication number: 20210087406
    Abstract: A Si-containing film forming composition comprising a catalyst and/or a polysilane and a N—H free, C-free, and Si-rich perhydropolysilazane having a molecular weight ranging from approximately 332 dalton to approximately 100,000 dalton and comprising N—H free repeating units having the formula [—N(SiH3)x(SiH2-)y], wherein x=0, 1, or 2 and y=0, 1, or 2 with x+y=2; and x=0, 1 or 2 and y=1, 2, or 3 with x+y=3. Also disclosed are synthesis methods and applications for using the same.
    Type: Application
    Filed: February 21, 2019
    Publication date: March 25, 2021
    Inventors: Antonio SANCHEZ, Gennadiy ITOV, Manish KHANDELWAL, Cole RITTER, Peng ZHANG, Jean-Marc GIRARD, Zhiwen WAN, Glenn KUCHENBEISER, David ORBAN, Sean KERRIGAN, Reno PESARESI, Matthew Damien STEPHENS, Yang WANG, Guillaume HUSSON, Grigory NIKIFOROV
  • Publication number: 20200325036
    Abstract: Synthesis of tungsten pentahalide compositions having low impurity profiles are disclosed. The specific impurity profile permits deposition of high purity tungsten-containing films using vapor deposition processes or other semiconductor manufacturing processes without introduction of performance-impacting contaminants.
    Type: Application
    Filed: April 29, 2020
    Publication date: October 15, 2020
    Inventors: Yumin LIU, Feng LI, Zhiwen WAN, Claudia FAFARD, Stefan WIESE, Guillaume HUSSON, Grigory NIKIFOROV, Bin SUI, Jean-Marc GIRARD
  • Publication number: 20200277315
    Abstract: Titanium-containing film forming compositions comprising titanium halide-containing precursors are disclosed. Also disclosed are methods of synthesizing and using the disclosed precursors to deposit Titanium-containing films on one or more substrates via vapor deposition processes.
    Type: Application
    Filed: May 11, 2020
    Publication date: September 3, 2020
    Inventors: Antonio SANCHEZ, Jean-Marc GIRARD, Grigory NIKIFOROV, Nicolas BLASCO
  • Patent number: 10752507
    Abstract: Synthesis of silanes with more than three silicon atoms are disclosed (i.e., (SinH(2n+2) with n=4-100). More particularly, the disclosed synthesis methods tune and optimize the isomer ratio by selection of process parameters such as temperature, residence time, and the relative amount of starting compounds, as well as selection of proper catalyst. The disclosed synthesis methods allow facile preparation of silanes containing more than three silicon atoms and particularly, the silanes containing preferably one major isomer. The pure isomers and isomer enriched mixtures are prepared by catalytic transformation of silane (SiH4), disilane (Si2H6), trisilane (Si3H8), and mixtures thereof.
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: August 25, 2020
    Assignees: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude, American Air Liquide, Inc.
    Inventors: Grigory Nikiforov, Guillaume Husson, Gennadiy Itov, Yang Wang