Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Reexamination Certificate
2005-10-04
2005-10-04
Chapman, Mark A. (Department: 1756)
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
C430S115000, C430S137220, C430S137120
Reexamination Certificate
active
06951703
ABSTRACT:
A liquid developer for high-quality image reproduction and a method of preparing the liquid developer. The liquid developer exhibits good pigment dispersion by the introduction of organosol. The liquid developer contains fine toner particles of a uniform size with a volume-average to number-average particle diameter ratio of 1.5-2.5, and thus can produce high-resolution images. The liquid developer preparation method is environmentally friendly, simple, and cost effective because no cosolvent is used, thus eliminating the need for a cosolvent removal process.
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patent: 2002/0192583 (2002-12-01), Marsh et al.
Chae Seong-joon
Choi Joong-hwan
Pang Jeong-hun
Yon Kyung-yol
Chapman Mark A.
Samsung Electronics Co,. Ltd.
Staas & Halsey , LLP
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