Light-resistive dispersant and ink composition containing...

Details Light-resistive dispersant and ink composition containing... Light-resistive dispersant and ink composition containing...

2007-05-29

2007-05-29

Sanders, Kriellion (Department: 1714)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C524S385000, C524S386000, C252S385000, C252S393000, C106S031270, C106S031430, C106S031510, C106S031580, C106S031750, C106S031800, C106S031860

Reexamination Certificate

active

10724753

ABSTRACT:
A 2-methoxyphenol derivative may be used as an ultraviolet (UV) light absorbing dispersant and, an ink composition may include the 2-methoxyphenol derivative as a light-resistant dispersant. The 2-methoxyphenol derivative absorbs UV light and thus provides light resistance to outputs. The 2-methooxyphenol derivative also improves dispersibility. When the 2-methoxyphenol derivative is used to prepare an ink composition, the ink composition has improved dispersibility and light resistance, and there is no need to add a light-resistant additive.

REFERENCES:
patent: 6346595 (2002-02-01), O'Lenick, Jr.

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