Process for preparing modified pigments

Details Process for preparing modified pigments Process for preparing modified pigments

2005-06-28

2005-06-28

Green, Anthony J. (Department: 1755)

Compositions: coating or plastic

Materials or ingredients

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

C106S412000, C106S493000, C106S494000, C106S495000, C106S496000, C106S497000, C106S498000, C106S499000, C106S505000, C523S215000, C524S495000, C524S514000, C525S192000

Reexamination Certificate

active

06911073

ABSTRACT:
The present invention relates to a process for preparing a polymer-modified pigment comprising the step of: combining, in any order, at least one pigment having attached at least one nucleophilic group, at least one polymer comprising at least one carboxylic acid group or salt thereof, and at least one coupling agent. At least one mediator compound may also be used. The modified pigments can be used in applications such as inkjet ink applications.

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