Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component
Reexamination Certificate
2004-10-21
2009-12-15
Chang, Victor S (Department: 1794)
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Composite having voids in a component
C428S318400
Reexamination Certificate
active
07632564
ABSTRACT:
In a liquid composition for metachromatic members which is to be applied to a metachromatic member having a support and provided thereon a porous layer formed by fixing therein a low refractive index pigment in a disperse state together with a binder resin, the liquid composition has a liquid medium and dissolved and/or dispersed therein a solid matter having a refractive index of from 1.3 to 1.8. Also disclosed is a metachromatic member set having this liquid composition and a metachromatic member. The liquid composition for metachromatic members satisfies permanent preservability of images, having superior density retention and shape retention of images formed in the metachromatic member and being suitable for uses in which impressions of hands, feet and the like are taken and preserved or in which written images or stamped images are preserved.
REFERENCES:
patent: 6416853 (2002-07-01), Nakashima et al.
patent: 1 254 985 (2002-11-01), None
patent: 11-216272 (1999-08-01), None
Chang Victor S
Fitzpatrick ,Cella, Harper & Scinto
The Pilot Ink Co., Ltd.
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