Patents by Inventor Corvin VOLKHOLZ

Corvin VOLKHOLZ 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).

  • Salts of thiophosphoric acids and use thereof in lubricants
    Patent number: 8507419
    Abstract: Salts of the anion of di-, tri- or tetrathiophosphoric acid of the formula I in which Z1 and Z2 are each independently an oxygen or sulfur atom, and Ra and Rb are each independently an organic group having 1 to 20 carbon atoms, and a cation which comprises a heterocyclic ring system having one to three nitrogen atoms.
    Type: Grant
    Filed: March 7, 2011
    Date of Patent: August 13, 2013
    Assignees: BASF SE, ILCO Chemikalien GmbH
    Inventors: Laszlo Szarvas, Dirk Gerhard, Matthias Volkholz, Corvin Volkholz
  • SALTS OF THIOPHOSPHORIC ACIDS AND USE THEREOF IN LUBRICANTS
    Publication number: 20110218130
    Abstract: Salts of the anion of di-, tri- or tetrathiophosphoric acid of the formula I in which Z1 and Z2 are each independently an oxygen or sulfur atom, and Ra and Rb are each independently an organic group having 1 to 20 carbon atoms, and a cation which comprises a heterocyclic ring system having one to three nitrogen atoms.
    Type: Application
    Filed: March 7, 2011
    Publication date: September 8, 2011
    Applicants: BASF SE, ILCO Chemikalien GmbH
    Inventors: Laszlo SZARVAS, Dirk GERHARD, Matthias VOLKHOLZ, Corvin VOLKHOLZ