Thermosensitive color-changing dry offset ink and a printed...

Details Thermosensitive color-changing dry offset ink and a printed... Thermosensitive color-changing dry offset ink and a printed...

2005-03-08

2005-03-08

Bell, Mark L. (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C106S031330, C106S031640, C106S031650

Reexamination Certificate

active

06863720

ABSTRACT:
The problem is to provide a thermosensitive color-changing dry offset ink, having no problem in an ink transferability and an excellent printing characteristics. As a thermosensitive color-changing dry offset ink is used one composed of thermosensitive, color-changing microcapsules mixed in a vehicle the capsule having two particle size characteristics of (1) particle size distribution: particles of less than 0.5 μm are contained in not less than 10 volume % and those not larger than 3.0 μm are contained in not less than 90 volume % and (2) mean particle diameter: 0.2-1.5 μm.

REFERENCES:
patent: 20010032559 (2001-10-01), Price et al.
patent: 20020121218 (2002-09-01), Senga et al.
patent: 07-106962 (1995-04-01), None
patent: 08277373 (1996-10-01), None
patent: 11-020323 (1999-01-01), None
patent: WO 9306942 (1993-04-01), None
Derwent English Translation of JP 8-277373, Oct. 1996, abstract.

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