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).

  • Publication number: 20020114996
    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: Application
    Filed: November 9, 2001
    Publication date: August 22, 2002
    Applicant: Merck GmbH
    Inventors: Michael Schmidt, Frank Ott, Michael Jungnitz, Nikolai Ignatyev, Andreas Kuehner
  • Patent number: 6423454
    Abstract: The present invention relates to lithium fluoroalkylphosphates, a process for preparing them and their use as electrolyte salts in batteries, capacitors, supercapacitors and electrolytic cells.
    Type: Grant
    Filed: May 18, 2000
    Date of Patent: July 23, 2002
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Udo Heider, Michael Schmidt, Peter Sartori, Andreas K├╝hner, Nikolai Ignatyev
  • Publication number: 20020022182
    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: Application
    Filed: August 1, 2001
    Publication date: February 21, 2002
    Applicant: MERCK Patent GmbH
    Inventors: Udo Heider, Michael Schmidt, Andreas Kuhner, Peter Sartori, Nikolai Ignatyev
  • Publication number: 20020015884
    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: Application
    Filed: June 11, 2001
    Publication date: February 7, 2002
    Applicant: Merck Patent GmbH
    Inventors: Michael Schmidt, Udo Heider, Winfried Geissler, Nikolai Ignatyev, Volker Hilarius
  • Patent number: 6210830
    Abstract: The invention relates to novel lithium fluorophosphates of the general formula Li+[PFa(CHbFc(CF3)d)e]−,  (I) wherein a is 1, 2, 3, 4 or 5, b is 0 or 1, c is 0, 1, 2 or 3, d is 0, 1, 2 or 3 and e is 1, 2, 3 or 4, with the condition that the sum of a+e is equal to 6, the sum of b+c+d is equal to 3 and b and c are not simultaneously 0, with the proviso that the ligands (CHbFc(CF3)d) may be different, a process for producing said compounds, their use in electrolytes, and also lithium batteries produced using said electrolytes.
    Type: Grant
    Filed: March 8, 2000
    Date of Patent: April 3, 2001
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Peter Sartori, Nikolai Ignatyev