US 7,320,727 B2 | ||
Multi-viscosity printer ink | ||
Jeng-Dung Jou, Irvine, Calif. (US); Dennis R. White, Fountain Valley, Calif. (US); and Gordon B. Barrus, San Juan Capistrano, Calif. (US) | ||
Assigned to Printronix, Inc., Irvine, Calif. (US) | ||
Filed on Feb. 11, 2005, as Appl. No. 11/56,963. | ||
Application 11/056963 is a continuation in part of application No. 10/316784, filed on Dec. 11, 2002, abandoned. | ||
Claims priority of provisional application 60/411959, filed on Sep. 19, 2002. | ||
Prior Publication US 2005/0191424 A1, Sep. 01, 2005 | ||
Int. Cl. C09D 11/00 (2006.01) |
U.S. Cl. 106—31.13 [106/31.27; 106/31.6] | 19 Claims |
1. A printing ink for use in multiple temperatures comprising:
a first mono-viscosity ink having a first viscosity at a pre-determined temperature; and
a second mono-viscosity ink having a second viscosity at the pre-determined temperature, wherein the first and second viscosities
are different, and wherein the first viscosity is approximately 1600 cps or higher at room temperature and the second viscosity
is approximately 750 cps or lower at room temperature.
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