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.

Date of Patent:
Aug. 15, 2000

Filed:

May. 29, 1998
Applicant:
Inventors:

Gunter Helling, Odenthal, DE;

Jorg Hagemann, Koln, DE;

Beate Weber, Leichlingen, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D / ;
U.S. Cl.
CPC ...
106 3143 ; 106 3147 ; 106 3148 ; 106 3175 ; 106 3177 ; 106 3178 ;
Abstract

An ink jet system comprising a recording material and at least one colored ink to be applied to the recording material by means of an ink jet nozzle, characterized in that at least either the material or the at least one colored ink contains at least one water-soluble compound of general formulae (I) or (II): ##STR1## wherein R.sub.1, Z.sub.1, Z.sub.2, Z.sub.3, Z.sub.4, Z.sub.5, Z.sub.6, X.sub.1, X.sub.2, X.sub.3, X.sub.4, X.sub.5, R.sub.2, R.sub.3, R.sub.4 and n have the meanings given in the description, are distinguished by improved protection of the ink jet dyes from light.


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