Patents by Inventor Antonio Torrentera

Antonio Torrentera 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).

  • Mixtures of fiber-reactive azo dyes
    Patent number: 8038736
    Abstract: The present invention provides dye mixtures containing a dye of the formula (I) and a dye of the formulae (II) where Z is —CH?CH2 or —CH2CH2Z1 and Z1 is hydroxyl or an alkali-eliminable group; and M is hydrogen, an alkali metal or one equivalent of an alkaline earth metal. The invention also relates to a process for their preparation and their use.
    Type: Grant
    Filed: March 3, 2010
    Date of Patent: October 18, 2011
    Assignee: DyStar L.P.
    Inventors: Ronald Pedemonte, Antonio Torrentera, Tiffany Chambers
  • MIXTURES OF FIBER-REACTIVE AZO DYES
    Publication number: 20110214238
    Abstract: The present invention provides dye mixtures containing a dye of the formula (I) and a dye of the formulae (II) where Z is —CH?CH2 or —CH2CH2Z1 and Z1 is hydroxyl or an alkali-eliminable group; and M is hydrogen, an alkali metal or one equivalent of an alkaline earth metal. The invention also relates to a process for their preparation and their use.
    Type: Application
    Filed: March 3, 2010
    Publication date: September 8, 2011
    Applicant: DyStar LP/Color Solutions International
    Inventors: Ronald Pedemonte, Antonio Torrentera, Tiffany Chambers