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. 11, 2001
Filed:
Aug. 18, 2000
Applicant:
Inventors:
Bradley Leonard Beach, Lexington, KY (US);
Ann P Holloway, Lexington, KY (US);
James F Feeman, Wyomissing, PA (US);
Assignee:
Lexmark International, Inc., Lexington, KY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B 3/108 ; C09B 3/322 ; C09D 1/102 ;
U.S. Cl.
CPC ...
C09B 3/108 ; C09B 3/322 ; C09D 1/102 ;
Abstract
Provided are novel black azo dyes which are useful in ink compositions, especially ink jet ink compositions. The dyes and ink compositions of the present invention exhibit a good balance of optical density, print reliability, water fastness and light fastness.