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:
Jan. 16, 2007
Filed:
Mar. 01, 2004
Applicant:
Paul Tyrell, Corvallis, OR (US);
Inventor:
Paul Tyrell, Corvallis, OR (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09D 11/02 (2006.01); G01D 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Compositions, systems, and methods method of rapidly printing a black ink-jet image are provided. The composition can include a liquid vehicle including water, and from 15 wt % to 30 wt % organic solvent, wherein from 3 wt % to 10 wt % of the organic solvent is a methylated pentanetriol co-solvent; and from 1 wt % to 6 wt % of a dispersant-functionalized black carbon pigment. Obtaining firing frequencies from 15 kHz to 25 kHz are feasible with such compositions, provided the ink-jet architecture used with these pens is capable of firing at these very rapid rates.