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:
Dec. 11, 2007
Filed:
Feb. 06, 2002
Bansi Lal Kaul, Biel-Benken, CH;
Bruno Piastra, Huningue, FR;
Valérie Wolf, Galfingue, FR;
Frank Prokschy, Hattersheim, DE;
Martin Ulrich Schmidt, Frankfurt, DE;
Bansi Lal Kaul, Biel-Benken, CH;
Bruno Piastra, Huningue, FR;
Valérie Wolf, Galfingue, FR;
Frank Prokschy, Hattersheim, DE;
Martin Ulrich Schmidt, Frankfurt, DE;
Clariant Finance (BVI) Limited, Tortola, VG;
Abstract
The epindolidione compounds of the general formula (I) in which A', Rand A have the meanings given in claimare outstanding pigments which are notable in particular for better migration, light and solvent fastnesses, better heat stability and enhanced colouring power and also better dispersibility and capability to be brought into pigment form. The invention also relates to a process for preparing these epindolidione compounds and to their use a colorants for colouring polymer compositions or paper pulps, as colorants in electrophotographic toners and developers, as colorants in ink-jet inks, as colorants in the coatings industry, as colorants for textile printing or as a printing ink in the graphical industry, as colorants in cosmetics.