Phthalocyanine pigments with neutral metallic down flop

Details Phthalocyanine pigments with neutral metallic down flop Phthalocyanine pigments with neutral metallic down flop

2008-01-29

2008-01-29

Green, Anthony J. (Department: 1755)

Compositions: coating or plastic

Materials or ingredients

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

C106S031730, C106S031780, C106S410000, C106S411000, C106S412000, C523S160000, C523S161000, C524S088000

Reexamination Certificate

active

07323046

ABSTRACT:
Phthalocyanine pigments having 0-4 chlorine atoms have a narrow particle-size range with 90% of particles between about 0.01-0.10 μm, the average particle size of no more than about 0.5 μm, a D99 of no more than about 0.3 μm, and a polydispersity of about 2.0 or less. Pigment compositions contain the phthalocyanine pigment and water-based dispersing resin. The pigments and the compositions are compatible with waterborne coating systems, exhibit an excellent metallic down travel, and are especially useful for the automotive painting applications.

REFERENCES:
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patent: 5725649 (1998-03-01), Marr
patent: 5728204 (1998-03-01), Sattar et al.
patent: 6726755 (2004-04-01), Titterington et al.
patent: 4-220470 (1992-08-01), None
patent: 7-70497 (1995-03-01), None
patent: 9-296138 (1997-11-01), None

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