Patents by Inventor Vladimir Grushin

Vladimir Grushin 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: 7887779
    Abstract: The disclosure pertains to a process for making anatase titanium dioxide particles, comprising: vigorously mixing (a) a volume of a first component comprising a major proportion of an alcohol, a minor proportion of a titanium alkoxide and a minor proportion of a titanium alkoxide activator selected from the group consisting of water and a first aqueous base, and (b) a second component selected from the group consisting of water and a second aqueous base, at least one of the first component or the second component having, a base therein, the second component being substantially free of alcohol, to form a mixture comprising a suspension of finely divided titanium (IV) oxide particles, the mixture having a water to titanium molar ratio ranging from about 40 to about 1 to about 5000 to about 1, wherein the proportion of the titanium alkoxide, the proportion of the activator, the mixing vigor, and a ratio of the volume of the first component to the second component are effective for the suspension of the finely
    Type: Grant
    Filed: December 20, 2007
    Date of Patent: February 15, 2011
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: David M. Scott, Carmine Torardi, Vladimir Grushin
  • Publication number: 20110034695
    Abstract: Disclosed is a method for preparing a compound of Formula 1 comprising contacting a compound of Formula 2 with at least one alkali metal cyanide of Formula 3 and a compound of Formula 4. wherein R1 is NHR3 or OR4; R2 is CH3 or Cl; R3 is H, C1-C4 alkyl, cyclopropyl, cyclopropylcyclopropyl, cyclopropylmethyl or methylcyclopropyl; R4 is H or C1-C4 alkyl; X is Br, Cl or I; and R5, R6, R7, R8, R9 and R10 are as defined in the disclosure. Also disclosed is a method for preparing a compound of Formula 4 wherein R9 and R10 together are a cycloalkadiene bidentate ligand, comprising contacting a compound of Formula 5 wherein Y is Cl, Br or I, with a cycloalkadiene bidentate ligand, at least one metal reducing agent and a nitrile solvent.
    Type: Application
    Filed: November 7, 2008
    Publication date: February 10, 2011
    Applicant: E.I. Du pont de Nemours and Company
    Inventors: Vladimir Grushin, Albert Loren Casalnuovo
  • Patent number: 7858553
    Abstract: The disclosure relates to a process for making a surface treated suspension of finely divided titanium (IV) oxide particles, typically, finely divided titanium (IV) oxide nanoparticles, comprising: vigorously mixing (a) a volume of a first component comprising a major proportion of alcohol, a minor proportion of titanium alkoxide and a minor proportion of a titanium alkoxide activator selected from the group consisting of water and a first aqueous base, and b) a volume of a second component selected from the group consisting of water and a second aqueous base, at least one of the first component or the second component having a base therein, the second component being substantially free of alcohol, to form a mixture comprising a suspension of finely divided titanium (IV) oxide particle, the mixture having a water to titanium molar ratio ranging from about 40 to about 1 to about 5000 to about 1, wherein the proportion of the titanium alkoxide, the proportion of the activator, the mixing vigor, and the ratio
    Type: Grant
    Filed: December 20, 2007
    Date of Patent: December 28, 2010
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: David M Scott, Carmine Torardi, Vladimir Grushin
  • Publication number: 20100243954
    Abstract: Provided are new compounds based on salts of aromatic acids containing perfluoroalkyl substituents. The compounds can be used as surfactants.
    Type: Application
    Filed: March 27, 2009
    Publication date: September 30, 2010
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventor: Vladimir Grushin
  • Publication number: 20100144518
    Abstract: A process for making a self-deagglomerating suspension, in particular, a suspension which self-deagglomerates to form a substantially transparent suspension, of finely divided titanium (IV) oxide particles, comprising: vigorously mixing (a) a volume of a first component comprising a major proportion of an alcohol, a minor proportion of a titanium alkoxide and a minor proportion of a titanium alkoxide activator selected from the group consisting of water and a first aqueous base, and (b) a volume of a second component selected from the group consisting of water and a second aqueous base, at least one of the first component or the second component having a base therein, the second component being substantially free of alcohol, to form a mixture comprising a suspension of finely divided titanium (IV) oxide particles, the mixture having a water to titanium molar ratio ranging from about 40 to about 1 to about 5000 to about 1, wherein the proportion of the titanium alkoxide, the proportion of the activator, th
    Type: Application
    Filed: December 20, 2007
    Publication date: June 10, 2010
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: David M. Scott, Carmine Torardi, Vladimir Grushin
  • Publication number: 20100092377
    Abstract: The disclosure pertains to a process for making anatase titanium dioxide particles, comprising: vigorously mixing (a) a volume of a first component comprising a major proportion of an alcohol, a minor proportion of a titanium alkoxide and a minor proportion of a titanium alkoxide activator selected from the group consisting of water and a first aqueous base, and (b) a second component selected from the group consisting of water and a second aqueous base, at least one of the first component or the second component having, a base therein, the second component being substantially free of alcohol, to form a mixture comprising a suspension of finely divided titanium (IV) oxide particles, the mixture having a water to titanium molar ratio ranging from about 40 to about 1 to about 5000 to about 1, wherein the proportion of the titanium alkoxide, the proportion of the activator, the mixing vigor, and a ratio of the volume of the first component to the second component are effective for the suspension of the finely
    Type: Application
    Filed: December 20, 2007
    Publication date: April 15, 2010
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: David M. Scott, Carmine Torardi, Vladimir Grushin
  • Publication number: 20100055028
    Abstract: The disclosure pertains to a process for making a suspension of finely divided titanium (IV) oxide particles, comprising: vigorously mixing (a) a volume of a first component comprising a major proportion of an alcohol, a minor proportion of a titanium alkoxide and a minor proportion of a titanium alkoxide activator selected from the group consisting of water and a first aqueous base, and (b) a volume of a second component selected from the group consisting of water and a second aqueous base, at least one of the first component or the second component having a base therein, the second component being substantially free of alcohol, to form a mixture comprising a suspension of finely divided titanium (IV) oxide particles, the mixture having a water to titanium molar ratio ranging from about 40 to about 1 to about 5000 to about 1, wherein the proportion of the titanium alkoxide, the proportion of the activator, the mixing vigor, and a ratio of the volume of the first component to the volume of the second componen
    Type: Application
    Filed: December 20, 2007
    Publication date: March 4, 2010
    Applicant: E.I. DuPont De Nemours and Company
    Inventors: David M. Scott, Carmine Torardi, Vladimir Grushin
  • Publication number: 20100022385
    Abstract: The disclosure relates to a process for making a surface treated suspension of finely divided titanium (IV) oxide particles, typically, finely divided titanium (IV) oxide nanoparticles, comprising: vigorously mixing (a) a volume of a first component comprising a major proportion of alcohol, a minor proportion of titanium alkoxide and a minor proportion of a titanium alkoxide activator selected from the group consisting of water and a first aqueous base, and b) a volume of a second component selected from the group consisting of water and a second aqueous base, at least one of the first component or the second component having a base therein, the second component being substantially free of alcohol, to form a mixture comprising a suspension of finely divided titanium (IV) oxide particle, the mixture having a water to titanium molar ratio ranging from about 40 to about 1 to about 5000 to about 1, wherein the proportion of the titanium alkoxide, the proportion of the activator, the mixing vigor, and the ratio
    Type: Application
    Filed: December 20, 2007
    Publication date: January 28, 2010
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: David M. Scott, Carmine Torardi, Vladimir Grushin
  • Publication number: 20100022780
    Abstract: Disclosed is a method for preparing a compound of Formula 1 comprising contacting a compound of Formula 2 with at least one compound of Formula 3 in the presence of a solvent comprising one or more organic solvents selected from ethers and nitrites and a catalytically effective amount of a palladium complex comprising at least one tertiary phosphine ligand of Formula 4 wherein R1 is NHR3 or OR4; R2 is CH3 or Cl; R3 is H, alkyl, cyclopropyl, cyclopropylmethyl or methylcyclopropyl; R4 is H or C1-C4 alkyl; M1 is an alkali metal; and R5, R6 and R7 are defined in the disclosure; provided that when R2 is Cl, then X is Br. Also disclosed is a method for preparing a compound of Formula 5 wherein R14, R15, R16 and Z are as defined in the disclosure using a compound of Formula 1 characterized by preparing the compound of Formula 1 by the aforedescribed method.
    Type: Application
    Filed: December 5, 2007
    Publication date: January 28, 2010
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Joerg Bruening, Albert Loren Casalnuovo, Vladimir Grushin
  • Patent number: 7595501
    Abstract: The present invention is generally directed to electroluminescent Ir(III) compounds, the substituted 2-phenylpyridines, phenylpyrimidines, and phenylquinolines that are used to make the Ir(III) compounds, and devices that are made with the Ir(III) compounds.
    Type: Grant
    Filed: October 29, 2003
    Date of Patent: September 29, 2009
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Vladimir Grushin, Daniel David LeCloux, Viacheslav A. Petrov, Ying Wang
  • Publication number: 20090206326
    Abstract: The present invention is generally directed to electroluminescent Ir(III) compounds, the substituted 2-phenylpyridines, phenylpyrimidines, and phenylquinolines that are used to make the Ir(III) compounds, and devices that are made with the Ir(III) compounds.
    Type: Application
    Filed: October 29, 2003
    Publication date: August 20, 2009
    Inventors: Vladimir Grushin, Daniel David LeCloux, Viacheslav A. Petrov, Ying Wang
  • Publication number: 20090042041
    Abstract: The present invention relates to a process for the preparation of ligands and copper complexes useful in the deposition of copper via Atomic Layer Deposition (ALD) and Chemical Vapor Deposition (CVD), and the use of the copper complexes in ALD and CVD processes.
    Type: Application
    Filed: October 20, 2008
    Publication date: February 12, 2009
    Applicant: E. I. duPont de Nemours and Company
    Inventor: Vladimir Grushin
  • Patent number: 7276726
    Abstract: The present invention is generally directed to electroluminescent Ir(III) compounds, the substituted 2-phenylpyridines, phenylpyrimidines, and phenylquinolines that are used to make the Ir(III) compounds, and devices that are made with the Ir(III) compounds.
    Type: Grant
    Filed: October 29, 2003
    Date of Patent: October 2, 2007
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Vladimir Grushin, Daniel David Lecloux, Viacheslav A. Petrov, Ying Wang
  • Patent number: 7227041
    Abstract: The present invention is generally directed to electroluminescent Ir(III) compounds with phosphinoalkoxides and phenylpyridines or phenylpyrimidines, and devices that are made with the Ir(III) compounds.
    Type: Grant
    Filed: April 13, 2005
    Date of Patent: June 5, 2007
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Vladimir Grushin, Viacheslav A. Petrov
  • Patent number: 7202388
    Abstract: Processes for preparing fluoroarenes are provided. The processes include contacting a compound having an unactivated aryl group with a source of fluoride or bifluoride in the presence of a transition metal a ligand.
    Type: Grant
    Filed: October 5, 2005
    Date of Patent: April 10, 2007
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Vladimir Grushin
  • Patent number: 7199392
    Abstract: The present invention is generally directed to electroluminescent Ir(III) compounds, the substituted 2-phenylpyridines, phenylpyrimidines, and phenylquinolines that are used to make the Ir(III) compounds, and devices that are made with the Ir(III) compounds.
    Type: Grant
    Filed: October 30, 2003
    Date of Patent: April 3, 2007
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Vladimir Grushin, Viacheslav A. Petrov, Ying Wang, Daniel David Lecloux
  • Patent number: 7164045
    Abstract: The present invention is generally directed to electroluminescent Ir(III) compounds with phosphinoalkoxides and phenylpyridines or phenylpyrimidines, and devices that are made with the Ir(III) compounds.
    Type: Grant
    Filed: April 13, 2005
    Date of Patent: January 16, 2007
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Vladimir Grushin, Viacheslav A. Petrov
  • Patent number: 7161172
    Abstract: The present invention is generally directed to electroluminescent Ir(III) compounds, the substituted 2-phenylpyridines, phenylpyrimidines, and phenylquinolines that are used to make the Ir(III) compounds, and devices that are made with the Ir(III) compounds.
    Type: Grant
    Filed: November 24, 2003
    Date of Patent: January 9, 2007
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Vladimir Grushin, Viacheslav A. Petrov, Ying Wang
  • Patent number: 7132681
    Abstract: The present invention is generally directed to electroluminescent Ir(III) compounds, the substituted 2-phenylpyridines, phenylpyrimidines, and phenylquinolines that are used to make the Ir(III) compounds, and devices that are made with the Ir(III) compounds.
    Type: Grant
    Filed: November 24, 2003
    Date of Patent: November 7, 2006
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Vladimir Grushin, Viacheslav A. Petrov, Ying Wang
  • Patent number: 7129518
    Abstract: The present invention is generally directed to electroluminescent Ir(III) compounds, the substituted 2-phenylpyridines, phenylpyrimidines, and phenylquinolines that are used to make the Ir(III) compounds, and devices that are made with the Ir(III) compounds.
    Type: Grant
    Filed: October 29, 2003
    Date of Patent: October 31, 2006
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Vladimir Grushin, Daniel David LeCloux, Viacheslav A. Petrov, Ying Wang