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).

  • MATERIAL AND METHOD FOR PERFORMING A SEPARATION BASED ON BORON CLUSTERS
    Publication number: 20250001400
    Abstract: This invention relates to a new stationary phase carrying boron clusters. Target molecules can interact with this stationary phase depending on the cluster type and the substituents. The stationary phase is suitable for SPE and chromatographic separations.
    Type: Application
    Filed: November 7, 2022
    Publication date: January 2, 2025
    Applicant: MERCK PATENT GMBH
    Inventors: Romas SKUDAS, Annika HOLZGREVE, Michael SCHULTE, Fabian KEPPNER, Tanja KNUPLEZ, Michael HAILMANN, Maik FINZE, Nikolai IGNATYEV
  • Sulfur-containing additives for electrochemical or optoelectronic devices
    Patent number: 9748605
    Abstract: The invention relates to sulfur-containing compounds of the formula I, to their preparation, and to their use as additives in electrochemical or electrooptical devices, more particularly in electrolytes for lithium batteries, lithium ion batteries, double layer capacitors, lithium ion capacitors, solar cells, electrochromic displays, sensors and/or biosensors.
    Type: Grant
    Filed: August 22, 2012
    Date of Patent: August 29, 2017
    Assignee: BASF SE
    Inventors: Michael Schmidt, Nikolai Ignatyev, Guenter Semrau, Walter Frank, Peter Barthen, Christoph Breitenstein
  • Lithium silicates
    Patent number: 9704656
    Abstract: The invention relates to lithium perfluoroalkylfluorosilicates, to their preparation, and to their use as conductive salts in electrochemical cells, more particularly in lithium batteries, lithium ion batteries or lithium ion capacitors, and also to electrolytes or electrochemical cells comprising these lithium perfluoroalkylfluorosilicates.
    Type: Grant
    Filed: April 2, 2013
    Date of Patent: July 11, 2017
    Assignee: BASF SE
    Inventors: Berthold Theo Hoge, Simon Sebastian Steinhauer, Nikolai Ignatyev, Michael Schulte
  • LITHIUM SILICATES
    Publication number: 20150064551
    Abstract: The invention relates to lithium perfluoroalkylfluorosilicates, to their preparation, and to their use as conductive salts in electrochemical cells, more particularly in lithium batteries, lithium ion batteries or lithium ion capacitors, and also to electrolytes or electrochemical cells comprising these lithium perfluoroalkylfluorosilicates.
    Type: Application
    Filed: April 2, 2013
    Publication date: March 5, 2015
    Applicant: BASF SE
    Inventors: Berthold Theo Hoge, Simon Sebastian Steinhauer, Nikolai Ignatyev, Michael Schulte
  • SULFUR-CONTAINING ADDITIVES FOR ELECTROCHEMICAL OR OPTOELECTRONIC DEVICES
    Publication number: 20140193707
    Abstract: The invention relates to sulfur-containing compounds of the formula I, to their preparation, and to their use as additives in electrochemical or electrooptical devices, more particularly in electrolytes for lithium batteries, lithium ion batteries, double layer capacitors, lithium ion capacitors, solar cells, electrochromic displays, sensors and/or biosensors.
    Type: Application
    Filed: August 22, 2012
    Publication date: July 10, 2014
    Applicant: BASF SE
    Inventors: Michael Schmidt, Nikolai Ignatyev, Guenter Semrau, Walter Frank, Peter Barthen, Christoph Breitenstein
  • Process for the preparation of compounds containing perfluoroalkanesulfonic acid groups
    Publication number: 20130316248
    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: July 8, 2009
    Publication date: November 28, 2013
    Inventors: Nikolai Ignatyev, Michael Schmidt, Udo Heider, Peter Sartori, Andry Kucheryna
  • Use of phosphinic acids and/or phosphonic acids in redox processes
    Patent number: 8282808
    Abstract: The present invention relates to the use of phosphinic acids and/or phosphonic acids and salts thereof, preferably as surface-active compounds, in redox processes, in particular in electroplating technology, particularly preferably in electroplating baths, and to electroplating baths comprising these compounds.
    Type: Grant
    Filed: May 4, 2007
    Date of Patent: October 9, 2012
    Assignee: Merck Patent GmbH
    Inventors: Wolfgang Hierse, Nikolai Ignatyev
  • Compounds containing organofluorochlorophosphate anions
    Patent number: 8211277
    Abstract: The present invention relates to compounds containing organofluorochlorophosphate anions, the preparation thereof and the use thereof, in particular as ionic liquids.
    Type: Grant
    Filed: December 7, 2007
    Date of Patent: July 3, 2012
    Assignee: Merck Patent GmbH
    Inventors: Nikolai Ignatyev, German Bissky, Helge Willner
  • Bis(perfluoralkyl)phosphinous acids and derivatives and use thereof
    Publication number: 20110124873
    Abstract: The invention relates to bis(perfluoroalkyl)phosphinous acids, bis(perfluoroalkyl)thiophosphinous acids and derivatives, the synthesis thereof and the use thereof, in particular for the synthesis of air-stable metal complexes for catalytic processes.
    Type: Application
    Filed: July 10, 2009
    Publication date: May 26, 2011
    Applicant: MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNG
    Inventors: Berthold Hoge, Anne Julia Bader, Boris Kurscheid, Nikolai Ignatyev, Emil Ferdinand Aust
  • Process For The Preparation Of Onium Alkylsulfates Having A Low Halide Content
    Publication number: 20100222580
    Abstract: The invention relates to a process for the preparation of onium alkylsulfates by reaction of an onium halide with a symmetrically substituted dialkyl sulfate, in which the alkyl group can have 1 to 14 C atoms, with an asymmetrically substituted dialkyl sulfate, in which one alkyl group can have 4 to 20 C atoms and the second alkyl group denotes methyl or ethyl, with an alkyl trialkylsilyl sulfate, with an alkyl acyl sulfate or with an alkyl sulfonyl sulfate, where the reaction with a dialkyl sulfate is carried out at room temperature.
    Type: Application
    Filed: November 18, 2005
    Publication date: September 2, 2010
    Applicant: MERCK PATENT GMBH
    Inventors: Nikolai Ignatyev, Urs Welz-Biermann, Andriy Kucheryna, Helge Willner
  • COMPOUNDS CONTAINING ORGANOFLUOROCHLOROPHOSPHATE ANIONS
    Publication number: 20100004461
    Abstract: The present invention relates to compounds containing organofluorochlorophosphate anions, the preparation thereof and the use thereof, in particular as ionic liquids.
    Type: Application
    Filed: December 7, 2007
    Publication date: January 7, 2010
    Applicant: MERCK PATENT GESELLSCHAFT
    Inventors: Nikolai Ignatyev, German Bissky, Helge Willner
  • Process for the preparation of perfluoroalkylphosphines and the use thereof as perfluoroalkylating reagents
    Patent number: 7632969
    Abstract: The present invention relates to a process for the preparation of perfluoroalkylphosphines comprising at least the reaction of at least one fluoro(perfluoroalkyl)phosphorane with at least one hydride ion donor, and to the use of tris(perfluoroalkyl)phosphines as perfluoroalkylating reagents.
    Type: Grant
    Filed: April 23, 2007
    Date of Patent: December 15, 2009
    Assignee: Merck Patent GmbH
    Inventors: Urs Welz-Biermann, Nikolai Ignatyev, Michael Weiden, Michael Schmidt, Udo Heider, Alexej Miller, Helge Willner, Peter Sartori
  • Process for the preparation of compounds containing perfluoroalkanesulfonic acid groups
    Publication number: 20090269673
    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: July 8, 2009
    Publication date: October 29, 2009
    Inventors: Nikolai Ignatyev, Michael Schmidt, Udo Heider, Peter Sartori, Andry Kucheryna
  • Process for the preparation of compounds containing perfluoroalkanesulfonic acid groups
    Patent number: 7585994
    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 31, 2006
    Date of Patent: September 8, 2009
    Assignee: Merck Patent GmbH
    Inventors: Nikolai Ignatyev, Michael Schmidt, Udo Heider, Peter Sartori, Andry Kucheryna
  • USE OF PHOSPHINIC ACIDS AND/OR PHOSPHONIC ACIDS IN REDOX PROCESSES
    Publication number: 20090166212
    Abstract: The present invention relates to the use of phosphinic acids and/or phosphonic acids and salts thereof, preferably as surface-active compounds, in redox processes, in particular in electroplating technology, particularly preferably in electroplating baths, and to electroplating baths comprising these compounds.
    Type: Application
    Filed: May 4, 2007
    Publication date: July 2, 2009
    Inventors: Wolfgang Hierse, Nikolai Ignatyev
  • Ionic liquids having [N(CF)]anions
    Patent number: 7550491
    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: Grant
    Filed: November 17, 2003
    Date of Patent: June 23, 2009
    Assignee: Merck Patent GmbH
    Inventors: Nikolai Ignatyev, Urs Welz-Biermann, Michale Schmidt, Helge Willner, Andriy Kucheryna
  • Novel Strong Boron-Containing Acids, The Preparation And Use Thereof
    Publication number: 20070293391
    Abstract: The invention relates to boron-containing acids of the general formula (I) [B(RF)4-x-y(CN)xFy]? H+ (I), where x=0, 1, 2, 3 or 4, y=0, 1, 2 or 3 x+y?4, and in which the ligands RF may be identical or different and RF stands for a perfluorinated or partially fluorinated C1-12-alkyl group and where the CN group is bonded to the B atom via the C atom, and complexes thereof with a solvent, to salts comprising a cation and the anion of a selection of the acids according to the invention, and to processes for the preparation of the salts.
    Type: Application
    Filed: October 4, 2005
    Publication date: December 20, 2007
    Inventors: Maik Finze, Eduard Bernhardt, Helge Willner, Nikolai Ignatyev, Urs Welz-Biermann
  • Ionic Liquids Containing Guanidinium Cations
    Publication number: 20070265453
    Abstract: The present invention relates to salts having guanidinium cations, to processes for the preparation thereof, and to the use thereof as ionic liquids.
    Type: Application
    Filed: April 1, 2004
    Publication date: November 15, 2007
    Inventors: Urs Welz-Biermann, Nikolai Ignatyev, Helge Willner, German Bissky
  • Ionic Liquids Having Fluoroalkyltrifluoroborate Anions
    Publication number: 20070213538
    Abstract: The invention relates to compounds of the formula (I), in which X, -Q1-Q2- and RF have the meaning indicated in Claim 1, as ionic liquids, and to a process for the preparation thereof.
    Type: Application
    Filed: January 3, 2005
    Publication date: September 13, 2007
    Inventors: Nikolai Ignatyev, Urs Welz-Biermann, German Bissky, Helge Willner, Andriy Kucheryna
  • PROCESS FOR THE PREPARATION OF PERFLUOROALKYLPHOSPHINES AND THE USE THEREOF AS PERFLUOROALKYLATING REAGENTS
    Publication number: 20070191637
    Abstract: The present invention relates to a process for the preparation of perfluoroalkylphosphines comprising at least the reaction of at least one fluoro(perfluoroalkyl)phosphorane with at least one hydride ion donor, and to the use of tris(perfluoroalkyl)phosphines as perfluoroalkylating reagents.
    Type: Application
    Filed: April 23, 2007
    Publication date: August 16, 2007
    Inventors: Urs Welz-Biermann, Nikolai Ignatyev, Michael Weiden, Michael Schmidt, Udo Heider, Alexej Miller, Helge Willner, Peter Sartori