Erasable image forming material

Details Erasable image forming material Erasable image forming material

2008-02-15

2009-08-04

Hess, Bruce H (Department: 1794)

Record receiver having plural interactive leaves or a colorless

Having a colorless color-former, developer therefor, or...

Method of use, kit, or combined with marking instrument or...

C106S031160, C106S031220, C106S031230, C427S150000, C503S214000, C503S217000, C503S220000, C503S221000

Reexamination Certificate

active

07569515

ABSTRACT:
An erasable image forming material includes a color former containing crystal violet lactone, a developer, a first binder resin of styrene-butadiene copolymer and a second binder resin of a styrene-based resin containing α-methylstyrene, the first and second binder resins being in a compatible state.

REFERENCES:
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patent: 6326332 (2001-12-01), Takayama
patent: 6329317 (2001-12-01), Takayama et al.
patent: 2002/0009212 (2002-01-01), Urano et al.
patent: 2005/0159311 (2005-07-01), Sano et al.
patent: 2005/0191082 (2005-09-01), Takayama et al.
patent: 2006/0111237 (2006-05-01), Takayama et al.
patent: 6-27739 (1994-02-01), None
patent: 2000-284520 (2000-10-01), None
patent: 2003-255595 (2003-09-01), None

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