Patents by Inventor Nikolai Ignatyev

Nikolai Ignatyev 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).

  • Method for the production of perfluoroalkyl phosphines and the use thereof as perfluoroalkylating reactants
    Patent number: 7208626
    Abstract: The invention relates to a method for producing perfluoroalkyl phosphines, comprising at least one step in which at least one fluoro(perfluoroalkyl)phosphorane is reacted with at least one hydride ion donator, and the use of tris(perfluoroalkyl)phos-phines as perfluoroalkylating reactants.
    Type: Grant
    Filed: March 17, 2003
    Date of Patent: April 24, 2007
    Assignee: Merck Patent Gesellschaft
    Inventors: Urs Welz-Biermann, Nikolai Ignatyev, Michael Weiden, Michael Schmidt, Udo Heider, Alexej Miller, Helge Willner, Peter Sartori
  • Process for the preparation of bis(perfluoroalkyl)phosphinic acids and salts thereof
    Patent number: 7202379
    Abstract: The present invention relates to a process for the preparation of bis(perfluoroalkyl)phosphinic acids comprising at least the reaction of at least one difluorotris(perfluoroalkyl)phosphorane or at least one trifluorobis(perfluoroalkyl)phosphorane with hydrogen fluoride in a suitable reaction medium, and heating of the resultant reaction mixture. The invention also relates to salts of bis(perfluoroalkyl)phosphinic acids and to the use thereof.
    Type: Grant
    Filed: March 17, 2003
    Date of Patent: April 10, 2007
    Assignee: Merck Patent GmbH
    Inventors: Urs Welz-Biermann, Nikolai Ignatyev, Michael Weiden, Udo Heider, Andri Kucheryna, Helge Willner, Peter Sartori
  • Ionic liquids II
    Patent number: 7153974
    Abstract: An ionic liquid of the formula K+A? wherein K+ and A? are as defined herein, are suitable for use in electrochemical cells and capacitors. These ionic liquids can also be used in catalysis, as inert solvents, and as hydraulic liquids.
    Type: Grant
    Filed: June 11, 2001
    Date of Patent: December 26, 2006
    Assignee: Merck GmbH
    Inventors: Michael Schmidt, Udo Heider, Winfried Geissler, Nikolai Ignatyev, Volker Hilarius
  • Method for the production of monohydro-perfluoroalkanes, bis(perfluoroalkyl)phosphinates and perfluoroalkylphosphonates
    Patent number: 7145004
    Abstract: The present invention relates to a process for the preparation of monohydroperfluoroalkanes, bis(perfluoroalkyl)phosphinates and perfluoroalkylphosphonates which comprises at least the treatment of at least one perfluoroalkylphosphorane with at least one base in a suitable reaction medium.
    Type: Grant
    Filed: March 17, 2003
    Date of Patent: December 5, 2006
    Assignee: Merck Patent Gesellschaft
    Inventors: Nikolai Ignatyev, Michael Weiden, Urs Welz-Biermann, Udo Heider, Peter Sartori, Andriy Kucheryna, Helge Willner
  • Process for the preparation of compounds containing perfluoroalkanesulfonic acid groups
    Publication number: 20060217568
    Abstract: The invention relates to a method for producing perfluoroalkanesulfonic acid esters and for further transforming the same into the salts thereof. The invention also relates to the use of the produced compounds in electrolytes, batteries, capacitors, supercapacitors, and galvanic cells.
    Type: Application
    Filed: May 31, 2006
    Publication date: September 28, 2006
    Inventors: Nikolai Ignatyev, Michael Schmidt, Udo Heider, Peter Sartori, Andry Kucheryna
  • Strong acids, process for the preparation thereof, and uses thereof
    Patent number: 7094328
    Abstract: The present invention relates to acids of the general formula [I], [RyPF6-y]?H+ [I], where y=1, 2 or 3, and in which the ligands R may be identical or different and R is a perfluorinated C1-8-alkyl or aryl group or R is a partially fluorinated C1-8-alkyl or aryl group, in which some of the F or H may have been substituted by chlorine. The present invention furthermore relates to a process for the preparation of the acids according to the invention, to salts comprising a cation and the anion of the acid according to the invention, and to a process for the preparation of the salts. The invention furthermore relates to the use of the acids and salts according to the invention.
    Type: Grant
    Filed: June 11, 2002
    Date of Patent: August 22, 2006
    Assignee: Merck Patent GmbH
    Inventors: Nikolai Ignatyev, Michael Schmidt, Andreas Kühner, Volker Hilarius, Udo Heider, Andriy Kucheryna, Peter Sartori, Helge Willner
  • Method for producing perfluoroalkanesulfonic acid esters
    Patent number: 7084290
    Abstract: The invention relates to a method for producing perfluoroalkanesulfonic acid esters and for further transforming the same into the salts thereof. The invention also relates to the use of the produced compounds in electrolytes, batteries, capacitors, supercapacitors, and galvanic cells.
    Type: Grant
    Filed: May 4, 2002
    Date of Patent: August 1, 2006
    Assignee: Merck Patent GmbH
    Inventors: Nikolai Ignatyev, Michael Schmidt, Udo Heider, Peter Sartori, Andry Kucheryna
  • Ionic liquids having [n(cf3)2]-anions
    Publication number: 20060079691
    Abstract: The present invention relates to salts comprising bis(trifluoromethyl)imide anions and saturated, partially or fully unsaturated, heterocyclic cations, to a process for the preparation thereof, and to the use thereof as ionic liquids.
    Type: Application
    Filed: November 17, 2003
    Publication date: April 13, 2006
    Inventors: Nikolai Ignatyev, Urs Welz-Biermann, Michael Schmidt, Helge Willner, Andriy Kucheryna
  • Process for the preparation of bis(perfluoroalkyl)phosphinic acids and salts thereof
    Publication number: 20050256334
    Abstract: The present invention relates to a process for the preparation of bis(perfluoroalkyl)phosphinic acids comprising at least the reaction of at least one difluorotris(perfluoroalkyl)phosphorane or at least one trifluorobis(perfluoroalkyl)phosphorane with hydrogen fluoride in a suitable reaction medium, and heating of the resultant reaction mixture. The invention also relates to salts of bis(perfluoroalkyl)phosphinic acids and to the use thereof.
    Type: Application
    Filed: March 17, 2003
    Publication date: November 17, 2005
    Inventors: Urs Welz-Biermann, Nikolai Ignatyev, Michael Weiden, Udo Heider, Andriy Kucheryna, Helge Willner, Peter Sartori
  • Method for the production of monohydro-perfluoroalkanes, bis (perfluoroalkyl) phosphinates and perfluoroalkylphosphonates
    Publication number: 20050222411
    Abstract: The present invention relates to a process for the preparation of monohydroperfluoroalkanes, bis(perfluoroalkyl)phosphinates and perfluoroalkylphosphonates which comprises at least the treatment of at least one perfluoroalkylphosphorane with at least one base in a suitable reaction medium.
    Type: Application
    Filed: March 17, 2003
    Publication date: October 6, 2005
    Inventors: Nikolai Ignatyev, Michael Weiden, Urs Welz-Biermann, Udo Heider, Peter Sartori, Andriy Kucheryna, Helge Willner
  • Method for producing bis(trifluoromethyl)imido salts
    Patent number: 6943263
    Abstract: The present invention relates to a novel process for the preparation of bis(trifluoromethyl)imido salts of the general formula (I): [Ma+]?[N(CF3)2]a??(I).
    Type: Grant
    Filed: January 22, 2002
    Date of Patent: September 13, 2005
    Assignee: Merck Patent GmbH
    Inventors: Udo Heider, Michael Schmidt, Peter Sartori, Nikolai Ignatyev, Andrij Kucherina, Ludmila Zinovyeva
  • Method for perfluoroalkylation by means of tris (perfluoroalkyl) phosphine oxides
    Publication number: 20050119513
    Abstract: The invention relates to a method for perfluoroalkylation by means of tris(perfluoroalkyl)phosphine oxides.
    Type: Application
    Filed: March 17, 2003
    Publication date: June 2, 2005
    Inventors: Nikolai Ignatyev, Urs Welz-Biermann, Michael Schmidt, Michael Weiden, Udo Heider, Helge Willner, Peter Sartori, Alexej Miller
  • Fluoroalkylphosphate salts, and process for the preparation of these substances
    Patent number: 6893774
    Abstract: Fluoroalkylphosphate salts of Formula I, described herein, are suitable for use, alone or in mixtures with, e.g., other salts, in electrolytes, primary batteries, secondary batteries, capacitors, supercapacitors or galvanic cells.
    Type: Grant
    Filed: February 25, 2002
    Date of Patent: May 17, 2005
    Assignee: Merck Patent GmbH
    Inventors: Michael Schmidt, Andreas Kuhner, Nikolai Ignatyev, Peter Sartori
  • Fluoroalkyl phosphates for use in electrochemical cells
    Patent number: 6841301
    Abstract: The present invention relates to fluoroalkyl phosphates, to a process for the preparation, and to their use as conductive salts in batteries, capacitors, supercapacitors and galvanic cells.
    Type: Grant
    Filed: August 1, 2001
    Date of Patent: January 11, 2005
    Assignee: Merck Patent GmbH
    Inventors: Udo Heider, Michael Schmidt, Andreas Kühner, Peter Sartori, Nikolai Ignatyev
  • Fluoroalkylphosphate salt electrolytes
    Patent number: 6794083
    Abstract: The present invention relates to mixtures of fluoroalkylphosphate salts and polymers, methods of producing same, and their use in electrolytes, batteries, capacitors, supercapacitors and galvanic cells.
    Type: Grant
    Filed: November 9, 2001
    Date of Patent: September 21, 2004
    Assignee: Merck Patent Gesellschaft mit beschränkter Haftung
    Inventors: Michael Schmidt, Frank Ott, Michael Jungnitz, Nikolai Ignatyev, Andreas Kuehner
  • Novel strong acids, process for the preparation thereof, and uses thereof
    Publication number: 20040171879
    Abstract: The present invention relates to acids of the general formula [I], [RyPF6-y]− H+[I] where y=1, 2 or 3, and in which the ligands R may be identical or different and R is a perfluorinated C1-8-alkyl or aryl group or R is a partially fluorinated C1-8-alkyl or aryl group, in which some of the F or H may have been substituted by chlorine. The present invention furthermore relates to a process for the preparation of the acids according to the invention, to salts comprising a cation and the anion of the acid according to the invention, and to a process for the preparation of the salts. The invention furthermore relates to the use of the acids and salts according to the invention.
    Type: Application
    Filed: December 23, 2003
    Publication date: September 2, 2004
    Inventors: Nikolai Ignatyev, Michael Schmidt, Andreas Kuhner, Volker Hilarius, Udo Heider, Andriy Kucheryna, Peter Sartori, Helge Willner
  • Method for producing perfluoroalkanesulfonic acid esters
    Publication number: 20040158091
    Abstract: The invention relates to a method for producing perfluoroalkanesulfonic acid esters and for further transforming the same into the salts thereof. The invention also relates to the use of the produced compounds in electrolytes, batteries, capacitors, supercapacitors, and galvanic cells.
    Type: Application
    Filed: November 28, 2003
    Publication date: August 12, 2004
    Inventors: Nikolai Ignatyev, Michael Schmidt, Udo Heider, Peter Sartori, Andry Kucheryna
  • Method for producing bis(trifluoromethyl)imido salts
    Publication number: 20040073052
    Abstract: The present invention relates to a novel process for the preparation of bis(trifluoromethyl)imido salts of the general formula (I):
    Type: Application
    Filed: August 14, 2003
    Publication date: April 15, 2004
    Inventors: Udo Heider, Michael Schmidt, Peter Sartori, Nikolai Ignatyev, Andrij Kucherina, Ludmila Zinovyeva
  • Fluoroalkylphosphate salts, and process for the preparation of these substances
    Publication number: 20020122979
    Abstract: Fluoroalkylphosphate salts of Formula I, described herein, are suitable for use, alone or in mixtures with, e.g., other salts, in electrolytes, primary batteries, secondary batteries, capacitors, supercapacitors or galvanic cells.
    Type: Application
    Filed: February 25, 2002
    Publication date: September 5, 2002
    Applicant: Merck Patent GmbH
    Inventors: Michael Schmidt, Andreas Kuh ner, Nikolai Ignatyev, Peter Sartori
  • Fluoro-alpha, omega-bis[(fluoroalky)fluorophosphorano)]alkanes, and process for their preparation
    Publication number: 20020121446
    Abstract: The present invention relates to fluoro-&agr;,&ohgr;-bis[(fluoroalkyl)fluorophosphorano)]alkanes, to a process for their preparation, and to their use as intermediates.
    Type: Application
    Filed: February 28, 2002
    Publication date: September 5, 2002
    Applicant: MERCK KGAA
    Inventors: Michael Schmidt, Andreas Kuhner, Nikolai Ignatyev, Peter Sartori