Patents by Inventor Thomas STEPANSKI

Thomas STEPANSKI 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).

  • Basic dye mixtures for aramid fibres
    Patent number: 11377787
    Abstract: The present invention is directed to dye mixtures comprising structures of formula and their production and their use for dyeing textiles and in particular for dyeing aramid fibres.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: July 5, 2022
    Assignee: DYSTAR COLOURS DISTRIBUTION GMBH
    Inventors: Adrian Murgatroyd, Manfred Hoppe, Clemens Grund, Brian Connolly, Thomas Stepanski
  • BASIC DYE MIXTURES FOR ARAMID FIBRES
    Publication number: 20190338461
    Abstract: The present invention is directed to dye mixtures comprising structures of formula and their production and their use for dyeing textiles and in particular for dyeing aramid fibres.
    Type: Application
    Filed: December 7, 2017
    Publication date: November 7, 2019
    Inventors: ADRIAN MURGATROYD, Manfred HOPPE, Clemens GRUND, Brian CONNOLLY, Thomas STEPANSKI
  • Heavy metal free, blue and navy fibre-reactive dye mixtures
    Patent number: 10301475
    Abstract: The invention relates to mixtures of fiber-reactive Triphendioxazine dyes with other fiber-reactive azo dyes and their use for the dyeing of hydroxyl- and especially carboxamide-containing material in blue and navy shades.
    Type: Grant
    Filed: October 26, 2016
    Date of Patent: May 28, 2019
    Assignee: DryStar Colours Distribution GmbH
    Inventors: Adrian Murgatroyd, Manfred Hoppe, Clemens Grund, Brian Connolly, Thomas Stepanski
  • HEAVY METAL FREE, BLUE AND NAVY FIBRE- REACTIVE DYE MIXTURES
    Publication number: 20180230311
    Abstract: The invention relates to mixtures of fibre-reactive Triphendioxazine dyes with other fibre-reactive azo dyes and their use for the dyeing of hydroxyl- and especially carboxamide-containing material in blue and navy shades.
    Type: Application
    Filed: October 26, 2016
    Publication date: August 16, 2018
    Inventors: Adrian MURGATROYD, Manfred HOPPE, Clemens GRUND, Brian CONNOLLY, Thomas STEPANSKI