Naphthol as colorants and their use

Details Naphthol as colorants and their use Naphthol as colorants and their use

2006-11-28

2010-10-26

Green, Anthony J (Department: 1793)

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

C106S031800, C106S494000, C534S653000

Reexamination Certificate

active

07819969

ABSTRACT:
A Naphthol AS colorant according to Formula (I):wherein R1, R2, R3, R4and R5are each independently selected from the group consisting of hydrogen, methyl, ethyl, halogen, methoxy, ethoxy, —CONH-phenyl and —NO2, wherein the group Q is a group including two carboxyl groups or salts thereof. The Naphthol AS colorant may also be used for making colored layers and non-aqueous pigment dispersions.

REFERENCES:
patent: 4018606 (1977-04-01), Contois et al.
patent: 4057436 (1977-11-01), Davies et al.
patent: 4461647 (1984-07-01), Schofield et al.
patent: 6641655 (2003-11-01), McElhinney et al.
patent: 2005/0250869 (2005-11-01), Claes et al.
patent: 2008/0167411 (2008-07-01), Louwet et al.
patent: 2008/0188612 (2008-08-01), Louwet et al.
patent: 2008/0207803 (2008-08-01), Loccufier et al.
patent: 2008/0207806 (2008-08-01), Jaunky et al.
patent: 2008/0227894 (2008-09-01), Loccufier et al.
patent: 2008/0242776 (2008-10-01), Jaunky et al.
patent: 0 763 378 (1997-03-01), None
patent: 1490374 (1967-07-01), None
patent: 59-227951 (1984-12-01), None
patent: 2004/067643 (2004-08-01), None
Official communication issued in the International Application No. PCT/EP2006/069016, mailed on Oct. 11, 2007.
Herbst et al., “Industrial Organic Pigments, Production, Properties, Applications”, Wiley-VCH Verlag GmbH & Co. KGaA, 2004, pp. 286-288.
Deroover; “Non-Aqueous Dispersions of Naphthol As Pigments”; U.S. Appl. No. 12/094,472, filed May 21, 2008.
Deroover et al:; “Non-Aqueous Pigment Dispersions Containing Specific Dispersion Synergists”; U.S. Appl. No. 12/094,790, filed May 23, 2008.
Deroover et al.; “Non-Aqueous Pigment Dispersions Containing Specific Dispersion Synergists”; U.S. Appl. No. 12/094,793, filed May 23, 2008.

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