Functional material, dispersion containing the functional...

Details Functional material, dispersion containing the functional... Functional material, dispersion containing the functional...

2002-12-16

2008-10-07

Cain, Edward J (Department: 1796)

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C523S161000, C523S200000, C523S210000

Reexamination Certificate

active

07432314

ABSTRACT:
A functional material comprising fine coloring particles having an average primary particle diameter of 1 to 50 nm in a dried state, and having a BET specific surface area value of 30 to 500 m2/g and a light transmittance of not less than 80%. The functional material composed of fine coloring particles, exhibits not only an excellent transparency but also a high tinting strength and a clear hue.

REFERENCES:
patent: 6440561 (2002-08-01), Hayashi et al.
patent: 6596071 (2003-07-01), Hayashi et al.
patent: 6695898 (2004-02-01), Momose
patent: 6720007 (2004-04-01), Walt et al.
patent: 2002/0069790 (2002-06-01), Hayashi et al.
patent: 2003/0116758 (2003-06-01), Morii et al.
patent: 1 184 426 (2002-03-01), None
patent: 1 264 866 (2002-12-01), None
Patent Abstracts of Japan, vol. 2000, No. 1, Jan. 31, 2000 & JP 11 269432 A, Oct. 5, 1999.

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