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. 01, 2009
Filed:
Jan. 16, 2008
Steven G. Link, Rochester, NY (US);
Joan C. Potenza, Rush, NY (US);
Ann L. Carroll-lee, Webster, NY (US);
Steven G. Link, Rochester, NY (US);
Joan C. Potenza, Rush, NY (US);
Ann L. Carroll-Lee, Webster, NY (US);
Eastman Kodak Company, Rochester, NY (US);
Abstract
The invention relates to monoazo colorants derived from pyrazolobenzodiazinedioxides of Formula 1: wherein Rand Rare hydrogen or any non-metallic group, n is 0-4, Ris hydrogen, acyl, aryl, alkenyl, alkynyl or alkyl, A represents an aromatic heterocyclic ring or an aromatic group of Formula 2: wherein Rand Rare hydrogen, alkyl, sulfonic acid, or 1-4 carbon alkoxy, Ris any non-metallic group, m is 0-3, and Rand R, Rand R, or, when m>1, two Rgroups can be joined to form a fused carbocyclic or heterocyclic aromatic or non-aromatic ring. The invention also relates to an aqueous ink that comprises at least one colorant of Formula 1: wherein A represents an aromatic or heteroaromatic ring, and A can be bonded to other rings that can be aromatic, aliphatic or heterocyclic, and an ink printing method using the colorant-containing ink.