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:
Nov. 07, 2000
Filed:
Jul. 16, 1999
Applicant:
Inventors:
Hans-Tobias Macholdt, Darmstadt-Eberstadt, DE;
Ruediger Baur, Eppstein, DE;
Assignee:
Clariant GmbH, Frankfurt, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ; G03F / ; C09D / ; G11C / ; B32B / ;
U.S. Cl.
CPC ...
430106 ; 430-7 ; 430110 ; 106 3152 ; 106496 ; 428402 ; 307400 ;
Abstract
Aluminum azo complex dyes of the formula (I) or (I') ##STR1## are used as charge control agents in electrophotographic toners and developers, powder coating materials, electret materials, color filters, electrostatic separation processes and in inkjet inks.