Patents by Inventor Winfried Geissler

Winfried Geissler 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).

  • 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
  • Polymer electrolyte and the use thereof in galvanic cells
    Publication number: 20040209124
    Abstract: The invention relates to mixtures of borate or phosphate salts, especially spiroborate or spirophosphate salts, and polymers in addition to the use thereof in electrolytes, batteries, capacitors, supercapacitors and galvanic cells.
    Type: Application
    Filed: February 17, 2004
    Publication date: October 21, 2004
    Inventors: Michael Schmidt, Frank Ott, Winfried Geissler
  • Ionic liquids II
    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