Method for pigmenting semi-crystalline plastics with...

Details Method for pigmenting semi-crystalline plastics with... Method for pigmenting semi-crystalline plastics with...

2008-07-29

2008-07-29

Green, Anthony J (Department: 1793)

Compositions: coating or plastic

Materials or ingredients

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

C106S410000, C106S411000, C106S413000, C524S088000, C540S122000, C540S136000

Reexamination Certificate

active

07404854

ABSTRACT:
A process for warpage-free pigmentation of a plastic pigmented by a phthalocyanine pigment which was heated to not less than 80° C. as a suspension in a organic solvent in the presence of a carboxylic acid containing 2, 3 or 4 carboxyl groups or a salt of such a carboxylic acid.

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