Patents by Inventor Andreas Stroben

Andreas Stroben 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).

  • Deep black dye mixtures of fiber-reactive azo dyes and a process for dyeing hydroxy and/or carboxamido containing fibers
    Patent number: 6015439
    Abstract: A dye mixture comprising one or more disazo dyes composed of 1-amino-3,6-disulfo-8-naphthol as the coupling component and of two diazo components of the aniline series containing each a fiber-reactive group of the vinylsulfone series and one or more monoazo dyes composed of a cyanoamido- or morpholino- or amino-substituted chlorotriazinylamino-sulfo-naphthol coupling component and a diazo component of the aniline series containing a fiber-reactive group of the vinylsulfone series, which dye mixtures yield on hydroxy- and/or carboxamido-containing fiber materials, such as cellulose fibers, in particular cotton, or on, for example, wool and synthetic polyamide fibers, deep black dyeings.
    Type: Grant
    Filed: February 16, 1999
    Date of Patent: January 18, 2000
    Assignee: Dystar Textilefarben GmbH & Co.
    Inventors: Ron Pedemonte, Andreas Stroben