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:
Mar. 15, 2005
Filed:
Mar. 11, 2004
Applicants:
Ann P. Holloway, Lexington, KY (US);
James Frederic Feeman, Wyomissing, PA (US);
Inventors:
Ann P. Holloway, Lexington, KY (US);
James Frederic Feeman, Wyomissing, PA (US);
Assignee:
Lexmark International, Inc., Lexington, KY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B029/36 ; C09B033/12 ; C09D011/02 ;
U.S. Cl.
CPC ...
Abstract
Provided are novel yellow azo dyes which are useful in ink compositions, especially ink jet compositions. The dyes and ink compositions of the present invention exhibit a good balance of optical density, print reliability, water fastness and light fashion and exhibit improved water solubility, thus rendering the ink compositions to be especially suitable for printheads having small nozzle openings.