Patents by Inventor Simon Martyr

Simon Martyr 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).

  • Fluorescent pigments
    Patent number: 6946550
    Abstract: Azo compounds of formula (I), wherein X stands for halogen, in particular for chlorine, or C1-C4alkoxy, in particular for methoxy, Y stands for —CH2— or —O—, R1 and R2, independently from each other, stand for hydrogen, C1-C8alkyl, or C6-C14aryl, which may be substituted up to three times with C1-C8alkyl, C1-C4alkoxy or halogen, a process for their preparation and their use as fluorescent compounds, in particular as solid fluorescent compounds, such as for special effect printing, sectrity printing or in the opto-electronic field.
    Type: Grant
    Filed: November 19, 2002
    Date of Patent: September 20, 2005
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Iain Frank Fraser, Ian Alexander Macpherson, David Macdonald Smith, Simon Martyr, Greig Chisholm, Stephen John Coughlin
  • Fluorescent pigments
    Publication number: 20050014936
    Abstract: Azo compounds of formula (I), wherein X stands for halogen, in particular for chlorine, or C1-C4alkoxy, in particular for methoxy, Y stands for —CH2— or —O—, R1 and R2, independently from each other, stand for hydrogen, C1-C8alkyl, or C6-C14aryl, which may be substituted up to three times with C1-C8alkyl, C1-C4alkoxy or halogen, a process for their preparation and their use as fluorescent compounds, in particular as solid fluorescent compounds, such as for special effect printing, sectrity printing or in the opto-electronic field.
    Type: Application
    Filed: November 19, 2002
    Publication date: January 20, 2005
    Inventors: Ian Fraser, Ian Macpherson, Simon Martyr, Greig Chisholm, Stephen Coughlin