Patents by Inventor Ronald Pedemonte

Ronald Pedemonte 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).

  • Patent number: 6368362
    Abstract: The present invention relates to mixtures of reactive dyes comprising at least two dyes selected from the group consisting of the general formulae (1), (2) and (3) where D1, D2, D3, R1, R2, Hal and M are each as defined in claim 1, processes for their preparation and their use for dyeing and printing hydroxyl- and/or carboxamido-containing materials.
    Type: Grant
    Filed: April 19, 2000
    Date of Patent: April 9, 2002
    Assignee: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventors: Ronald Pedemonte, Uwe Reiher, Christina Schumacher, Martin Kunz, Joachim Eichhorn
  • Patent number: 6190423
    Abstract: The present invention comprises a dye mixture comprising one or more, such as one, two or three, disazo dyes conforming to the general formula (1), one or more, such as one, two or three, dyes.
    Type: Grant
    Filed: December 7, 1999
    Date of Patent: February 20, 2001
    Assignee: DyStar Textilfarben GmbH & Co
    Inventors: Christian Schumacher, Uwe Reiher, Joachim Steckelberg, Werner Russ, Ronald Pedemonte
  • Patent number: 6090164
    Abstract: Described are mixtures of dyes of the general formulae (1) and (2) ##STR1## where M is hydrogen, ammonium, an alkali metal or the equivalent of an alkaline earth metal, R.sup.1 is hydrogen or sulfo, R.sup.2 is hydrogen or sulfo, X.sup.1 and X.sup.2 are each fluorine, chlorine, amino, which may be mono- or disubstituted by lower alkyl or optionally substituted aryl and one of the radicals possesses a group of the formula --SO.sup.2 --Y.sup.1 or --SO.sub.2 --Y.sup.2, where Y.sup.1 and Y.sup.2 are each vinyl or ethyl substituted in the .beta.-position by an alkali-eliminable grouping, or X.sup.1 and X.sup.2 are each optionally substituted morpholino or pyrimidino, cyanoamino, hydroxyl, lower alkoxy or optionally substituted aryloxy and where the groups --SO.sub.2 --Y.sup.1 and --SO.sub.2 --Y.sup.2 are attached to the benzene nucleus meta or para to the azo or amino group.
    Type: Grant
    Filed: May 12, 1999
    Date of Patent: July 18, 2000
    Assignee: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventors: Joachim Steckelberg, Ronald Pedemonte