Patents by Inventor Maria Hadjisoteriou

Maria Hadjisoteriou 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).

  • Disazo dyes and ink jet inks containing them
    Publication number: 20060032399
    Abstract: A composition comprising a liquid medium and a compound of Formula (1) or a salt thereof: wherein: m is 1 or 2; n is 1 or 2; and x is 2 to 4. Also claimed are compounds and printing processes.
    Type: Application
    Filed: July 14, 2003
    Publication date: February 16, 2006
    Inventors: Helen Oshaughnessy, Maria Hadjisoteriou
  • Disazo dyes and ink jet inks containing them
    Publication number: 20050241527
    Abstract: A compound of Formula (1): wherein: A1 and A2 are each independently optionally substituted phenyl or naphthyl; each Q independently is optionally substituted phenylene; each R1 independently is H or optionally substituted alkyl; R2 is H or optionally substituted alkyl; and R3 is alkyl carrying a sulpho group; provided that the compound of Formula (1) carries at least one carboxylic acid group; and provided the compound of Formula (1) is not of Formula (2): wherein: m is 1 or 2; n is 1 or 2; and x is 2 to 4. Also claimed are compositions and inks.
    Type: Application
    Filed: July 14, 2003
    Publication date: November 3, 2005
    Inventors: Helen Oshaughnessy, Maria Hadjisoteriou