Patents by Inventor Birgit Eden

Birgit Eden 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).

  • Mixture of Water-Soluble Fibre-Reactive Dyes, Method for the Production Thereof, and Use of the Same
    Publication number: 20080196178
    Abstract: Dye mixtures including the dyes of the general formula (I) and dyes of the general formula (II) where R1 to R3, A, W and M are each as defined in claim 1, their preparation and their use for dyeing or printing hydroxyl- and/or carboxamido-containing material, preferably fiber material.
    Type: Application
    Filed: June 20, 2006
    Publication date: August 21, 2008
    Applicant: DyStar Textilfarben GmbH & Co. Deutschland KG I
    Inventors: Jorg Diekmann, Birgit Eden, Stefan Meier, Ludger Wilbers
  • Yellow dye mixtures comprising water-soluble fiber-reactive azo dyes and use thereof
    Patent number: 6238442
    Abstract: Disclosed are dye mixtures comprising yellow dyes of the formulae indicated and defined in claim 1 which are useful for dyeing hydroxyl- and/or carboxamido-containing material, especially fiber material, such as cellulose fibers, for example cotton and filament viscose, and wool and also synthetic polyamide fibers.
    Type: Grant
    Filed: November 4, 1999
    Date of Patent: May 29, 2001
    Assignee: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventors: Christian Schumacher, Birgit Eden
  • Dye mixtures of fiber-reactive azo dyes and their use
    Patent number: 6168636
    Abstract: Disclosed are dye mixtures comprising yellow dyes of the formulae indicated and defined in claim 1 which are useful for dyeing hydroxy- and/or carboxamido-containing material, especially fiber material, such as cellulose fibers, for example cotton and filament viscose, and wool and also synthetic polyamide fibers.
    Type: Grant
    Filed: November 5, 1999
    Date of Patent: January 2, 2001
    Assignee: Dystar Textilfarben GmbH & Co. Deutschland KG
    Inventors: Bengt-Thomas Gröbel, Christian Schumacher, Birgit Eden, Mieke Schaffeld, Karl Krieger, Dierk Röhrig