Patents by Inventor Karl-Hans Blank

Karl-Hans Blank 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).

  • Inks for digital textile printing with reactive yellow fluorescent dyes
    Publication number: 20060107869
    Abstract: Aqueous textile inkjet printing inks including a reactive fluorescent xanthene dye of the general formula (1) where R1, R2, R3, X and m are each as defined in claim 1.
    Type: Application
    Filed: July 3, 2004
    Publication date: May 25, 2006
    Applicant: DyStar Textilf Deutschland KG
    Inventors: Wolfram Reddig, Karl-Hans Blank
  • Aqueous printing inks for use in the ink-jet printing method the production and the use on textile fibre materials therof
    Publication number: 20030172840
    Abstract: An aqueous inkjet printing ink including one or more reactive dyes, sulfolane and a buffer system and having a pH of not more than 7.0 when one or more of said reactive dyes have reactive systems of the vinyl sulfone series is prepared and used on textile fiber materials.
    Type: Application
    Filed: October 15, 2002
    Publication date: September 18, 2003
    Inventors: Karl-Hans Blank, Horst-Roland Mach