Patents by Inventor Carola Dittfurth

Carola Dittfurth 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).

  • Powder-coated domestic appliances with a top coat based on epoxy silane
    Patent number: 6537672
    Abstract: The invention relates to domestic appliances bearing on a powder-coated surface a scratch-resistant and abrasion-resistant topcoat of a coating material which comprises: a) condensates based on hydrolysable silanes containing at least one non-hydrolysable substituent, the hydrolysable silanes having an epoxide group on at least one non-hydrolysable substituent; b) a curing catalyst selected from Lewis bases and alkoxides of titanium, zirconium or aluminium; c) nanoscale particulate inorganic solids having a particle size in the range from 1 to 100 nm; and d) at least one organic monomer, oligomer or polymer containing at least one epoxide group.
    Type: Grant
    Filed: May 22, 2001
    Date of Patent: March 25, 2003
    Assignees: Institut für Neue Materialien gem. GmbH, BSH Bosch und Siemens Hausgeräte GmbH
    Inventors: Carola Dittfurth, Stefan Sepeur, Ralf-Peter Winkler, Helmut Schmidt, Frank Joerdens, Gerhard Schmidmayer
  • Powder-coated substrates with topcoat based on silanes containing epoxide groups
    Patent number: 6500534
    Abstract: The invention relates to powder-coated substrates bearing on a powder-coated surface a scratch-resistant and abrasion-resistant topcoat of a coating material which comprises: a) condensates based on hydrolyzable silanes containing at least one non-hydrolyzable substituent, the hydrolyzable silanes having an epoxide group on at least one non-hydrolyzable substituent; b) a curing catalyst selected from Lewis bases and alkoxides of titanium, zirconium or aluminium; c) nanoscale particulate inorganic solids having a particle size in the range from 1 to 100 nm; and d) at least one organic monomer, oligomer or polymer containing at least one epoxide group.
    Type: Grant
    Filed: November 21, 2000
    Date of Patent: December 31, 2002
    Assignee: Institut Für Neue Materialien gemeinnützige GmbH
    Inventors: Carola Dittfurth, Stefan Sepeur, Ralf-Peter Winkler, Helmut Schmidt