Oil ink set

Details Oil ink set Oil ink set

2009-03-24

2010-10-05

Lorengo, Jerry (Department: 1793)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C106S031860

Reexamination Certificate

active

07806972

ABSTRACT:
The object of the invention is to provide an oil ink set capable of obtaining images having high color reproduction capabilities and high color saturation in particular. The oil ink set of the invention comprises a firsts a second, and a third oil ink having a wavelength region in which the reflectivity of each oil ink on a recording medium changes from 80% to 5% in the wavelength range of 400 nm to 700 nm. In this wavelength region, the reflectivity of the first oil ink is continuously higher than that of the first oil ink, and in the wavelength in which the reflectivity of the second oil ink changes from 80% to 5%, the reflectivity of the third oil ink is continuously higher than that of the second oil ink. Moreover, the coloring materials in the first, the second and the third oil inks are all different.

REFERENCES:
patent: 7125447 (2006-10-01), Sugita et al.
patent: 7462231 (2008-12-01), Koganehira et al.
patent: 2004/0266907 (2004-12-01), Sugita et al.
patent: 2005/0284329 (2005-12-01), Jackson et al.
patent: 2005/0284330 (2005-12-01), Jackson
patent: 2007/0266887 (2007-11-01), Koganehira et al.
patent: 2008/0182085 (2008-07-01), Oyanagi et al.
patent: 1892105 (2008-02-01), None
patent: 2007-297595 (2007-11-01), None
patent: WO 2004/007626 (2004-01-01), None

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