The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 20, 2005
Filed:
Nov. 19, 2002
Iain Frank Fraser, Kilbirnie, GB;
Ian Alexander Macpherson, Fife, GB;
David Macdonald Smith, Fife, GB;
Simon Martyr, Bedford, GB;
Greig Chisholm, Glasgow, GB;
Stephen John Coughlin, Muirhead, GB;
Iain Frank Fraser, Kilbirnie, GB;
Ian Alexander Macpherson, Fife, GB;
David Macdonald Smith, Fife, GB;
Simon Martyr, Bedford, GB;
Greig Chisholm, Glasgow, GB;
Stephen John Coughlin, Muirhead, GB;
Ciba Specialty Chemicals Corporation, Tarrytown, NY (US);
Abstract
Azo compounds of formula (I), wherein X stands for halogen, in particular for chlorine, or C-Calkoxy, in particular for methoxy, Y stands for —CH— or —O—, Rand R, independently from each other, stand for hydrogen, C-Calkyl, or C-Caryl, which may be substituted up to three times with C-Calkyl, C-Calkoxy 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.