Patents by Inventor Janos HANTSCHICK

Janos HANTSCHICK 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).

  • Cleaning solution for cleaning metal surfaces
    Patent number: 11473036
    Abstract: Cleaning solution for cleaning and/or wetting metal surfaces, comprising at least one acid, a first surfactant, which is an alkyl-poly(ethyleneglycol-co-propyleneglycol)-ether having a cloud point of ?25° C., a second surfactant, which is selected from the group consisting of i) an alkyl-poly(ethyleneglycol-co-propyleneglycol)-ether having a cloud point of ?30° C., ii) an alkyl-polyethyleneglycol-ether having a cloud point of ?45° C. wherein the cloud points are determined according to European Standard EN 1890:2006, item 8.2 of German Version, with the modification that 10 wt % H2SO4 is used as solvent and that the concentration of the surfactant is 1000 mg/L.
    Type: Grant
    Filed: July 4, 2018
    Date of Patent: October 18, 2022
    Assignee: Atotech Deutschland GmbH
    Inventors: Eckart Klusmann, Janos Hantschick
  • CLEANING SOLUTION FOR CLEANING METAL SURFACES
    Publication number: 20200140782
    Abstract: Cleaning solution for cleaning and/or wetting metal surfaces, comprising at least one acid, a first surfactant, which is an alkyl-poly(ethyleneglycol-co-propyleneglycol)-ether having a cloud point of ?25° C., a second surfactant, which is selected from the group consisting of i) an alkyl-poly(ethyleneglycol-co-propyleneglycol)-ether having a cloud point of ?30° C., ii) an alkyl-polyethyleneglycol-ether having a cloud point of ?45° C. wherein the cloud points are determined according to European Standard EN 1890:2006, item 8.2 of German Version, with the modification that 10 wt % H2SO4 is used as solvent and that the concentration of the surfactant is 1000 mg/L.
    Type: Application
    Filed: July 4, 2018
    Publication date: May 7, 2020
    Inventors: Eckart KLUSMANN, Janos HANTSCHICK