Patents by Inventor Gunther Widler

Gunther Widler 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).

  • Navy Blue and Black Mixtures, Method for the Production Thereof, and Their Use for Dying Material Containing Hydroxy Groups
    Publication number: 20080282485
    Abstract: Mixtures of vat dyes for hue-stable dyeings in navy to black shades comprising C.I . Vat Black 9 and at least one of C.I. Vat Blue 18, C.I. Vat Blue 19, C.I . Vat Blue 22, C.I. Vat Blue 6 and also halogenated 16,17-diethyidibenzanthrone derivatives, C.I. Vat Violet 13, C.I. Vat Black 20, and optionally C.I. Vat Black 65, processes for their production by mechanical mixing of the components and their use for hue-stable dyeing and printing of cellulosic material.
    Type: Application
    Filed: December 13, 2005
    Publication date: November 20, 2008
    Applicant: DYSTAR TEXTILFARBEN GMBH & Co. DEUTSCHLAND KG
    Inventors: Gunther Widler, Erwin Lucic, Michael Krapp, Heiko Brunner, Gerhard Epple
  • Mixtures of Red Vat Dyes, Method for the Production Thereof and Their Use for Dying Material Containing Hydroxy Groups
    Publication number: 20080189881
    Abstract: The present invention relates to dye mixtures comprising the dye C.I. Vat Red 13 and at least one dye selected from the group consisting of C.I. Vat Red 1, C.I. Vat Red 10, C.I. Vat Red 14, C.I. Vat Red 15, C.I. Vat Red 23 and C.I. Vat Red 32, their production and their use for dyeing and printing hydroxyl-containing materials.
    Type: Application
    Filed: June 6, 2006
    Publication date: August 14, 2008
    Applicant: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventors: Gunther Widler, Udo Arenz, Stefan Meier, Claus Marschner