Ink composition containing micro-encapsulated UV absorber...

Details Ink composition containing micro-encapsulated UV absorber... Ink composition containing micro-encapsulated UV absorber...

2005-02-15

2005-02-15

Klemanski, Helene (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C106S031330, C106S031600, C106S031650

Reexamination Certificate

active

06855194

ABSTRACT:
An ink composition containing a micro-encapsulated UV absorber. The ink composition includes a micro-encapsulated UV absorber, a dispersant, an emulsifer, at least one colorant, and a medium. The present invention adds a micro-encapsulated UV absorber to inkjet ink or screen printing ink. The micro-encapsulated UV absorber is suitable for either a water-based system or solvent-based system. The micro-encapsulated UV absorber increases the light-fastness and maintains longer-term light resistance because the UV absorber is gradually released from the microcapsule. The ink composition of the present invention provides excellent printing quality when used in inkjet or screen printing.

REFERENCES:
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patent: 6176909 (2001-01-01), Malhotra et al.
patent: 6706099 (2004-03-01), Sir et al.
patent: 6716526 (2004-04-01), Weston et al.
patent: 20020107304 (2002-08-01), Leu et al.
patent: 20030083200 (2003-05-01), Serizawa et al.
patent: 20030141491 (2003-07-01), Sato et al.
patent: 20030144376 (2003-07-01), Vincent et al.
patent: 20040038031 (2004-02-01), Holbrey et al.
patent: 01170672 (1989-07-01), None
patent: 0002965 (2000-01-01), None
Derwent abstract of JP01/170672; Jul. 1989.

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