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. 04, 2012
Filed:
Jul. 15, 2009
Applicants:
Ann P. Holloway, Lexington, KY (US);
Meagan Winkler Sisk, Lexington, KY (US);
Agnes Kam Zimmer, Lexington, KY (US);
Inventors:
Ann P. Holloway, Lexington, KY (US);
Meagan Winkler Sisk, Lexington, KY (US);
Agnes Kam Zimmer, Lexington, KY (US);
Assignee:
Lexmark International, Inc., Lexington, KY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to cyan dye-based inkjet inks having improved permanence when jetted onto porous photo media. The inkjet ink includes a copper phthalocyanine dye having sulfonylamine groups, at least three co-solvents having about 18% to about 24% of the composition of the ink by weight, a polymeric dye dispersant having about 0.5% to about 2.0% of the composition of the ink by weight, a penetrant, at least one wetting agent, and water.