Pigment dispersion liquid, manufacturing process thereof,...

Compositions: coating or plastic – Materials or ingredients – Pigment – filler – or aggregate compositions – e.g. – stone,...

Reexamination Certificate

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C106S031750, C106S499000

Reexamination Certificate

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06949138

ABSTRACT:
A pigment dispersion liquid comprises pigment particles dispersed in a dispersion medium, the difference (D90−D10) between D90and D10being not more than 25 nm, wherein D90and D10represent the primary particle size that the pigment particles having a primary particle size up to and including D90account for 90% by number of the total pigment particles, and the particle size that the pigment particles having a primary particle size up to and including D10account for 10% by number of the total pigment particles, respectively, in the integral of the primary particle size distribution function dG=f(D)dD of the pigment particles in which G is a particle number (%) and D is a primary particle size (nm).

REFERENCES:
patent: 5324349 (1994-06-01), Sano et al.
patent: 5985017 (1999-11-01), Bugner et al.
patent: 6132501 (2000-10-01), Scaringe et al.
patent: 6235099 (2001-05-01), Aida et al.
patent: 0 776 952 (1997-06-01), None
patent: 0776952 (1997-06-01), None
patent: 2002-322404 (2002-08-01), None
patent: WO 00/52102 (2000-09-01), None
patent: WO 03/093373 (2003-11-01), None

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