Patents by Inventor Oliver Eich

Oliver Eich 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).

  • Method for improving the corrosion resistance and lightfastness of painted aluminum oxide layers
    Patent number: 8057858
    Abstract: A method for producing corrosion-resistant, painted oxide layers on aluminum or aluminum alloys. According to the method, a polysilazane solution is applied to a dry oxide layer that is painted with a water-soluble, anionic color, and the coating is then hardened at a temperature ranging from 40 to 150° C.
    Type: Grant
    Filed: October 13, 2006
    Date of Patent: November 15, 2011
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Andreas Dierdorf, Stefan Brand, Hubert Liebe, Frank Osterod, Oliver Eich, Mark Jozefowicz
  • Method for Improving the Corrosion Resistance and Lightfastness of Painted Aluminum Oxide Layers
    Publication number: 20090220806
    Abstract: Disclosed is a method for producing corrosion-resistant, painted oxide layers on aluminum or aluminum alloys. According to said method, a polysilazane solution is applied to a dry oxide layer that is painted with a water-soluble, anionic color, and the coating is then hardened at a temperature ranging from 40 to 150° C.
    Type: Application
    Filed: October 13, 2006
    Publication date: September 3, 2009
    Applicant: CLARIANT INTERNATIONAL LTD.
    Inventors: Andreas Dierdorf, Stefan Brand, Hubert Liebe, Frank Osterod, Oliver Eich, Mark Jozefowicz
  • Azo compounds
    Patent number: 7301013
    Abstract: The present invention relates to novel dyestuffs of formula (I) wherein the substituents have the meanings defined in the claims, the production of such dyestuffs, the use of these dyestuffs and material dyed or printed by such dyestuffs.
    Type: Grant
    Filed: July 21, 2006
    Date of Patent: November 27, 2007
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Robert Egli, Oliver Eich, Knut Göke
  • Azo compounds
    Publication number: 20060258854
    Abstract: The present invention relates to novel dyestuffs of formula (I) wherein the substituents have the meanings defined in the claims, the production of such dyestuffs, the use of these dyestuffs and material dyed or printed by such dyestuffs.
    Type: Application
    Filed: July 21, 2006
    Publication date: November 16, 2006
    Inventors: Robert Egli, Oliver Eich, Knut Goke
  • Azo dyes
    Patent number: 7101983
    Abstract: The present invention relates to novel dyestuffs of formula (I) wherein the substituents have the meanings defined in the claims, the production of such dyestuffs, the use of these dyestuffs and material dyed or printed by such dyestuffs.
    Type: Grant
    Filed: April 2, 2002
    Date of Patent: September 5, 2006
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Robert Egli, Oliver Eich, Knut Göke
  • Composition for printing recording materials
    Patent number: 7097699
    Abstract: A composition for printing recording materials comprising a) at least one temporarily water-soluble dye with one SO2CH2COOM group being present in the molecule; b) water or a medium including a mixture of water and an organic solvent, an anhydrous organic solvent or a solid having a low melting point, and c) optionally further additives.
    Type: Grant
    Filed: December 18, 2002
    Date of Patent: August 29, 2006
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Robert Egli, Oliver Eich, Hans-Tobias Macholdt, Reinhard Pedrazzi
  • Composition for printing recording materials
    Publication number: 20050061200
    Abstract: A composition for printing recording materials comprising a) at least one temporarily water-soluble dye with one SO2CH2COOM group being present in the molecule; b) water or a medium including a mixture of water and an organic solvent, an anhydrous organic solvent or a solid having a low melting point, and c) optionally further additives.
    Type: Application
    Filed: December 18, 2002
    Publication date: March 24, 2005
    Inventors: Robert Egli, Oliver Eich, Hans-Tobias Macholdt, Reinhard Pedrazzi
  • Azo dyes
    Publication number: 20040143108
    Abstract: The present invention relates to novel dyestuffs of formula (I) 1
    Type: Application
    Filed: October 2, 2003
    Publication date: July 22, 2004
    Inventors: Robert Egli, Oliver Eich, Knut Goke