Carbon black inks and method for making same

Details Carbon black inks and method for making same Carbon black inks and method for making same

2005-12-12

2010-02-02

Mayes, Melvin C (Department: 1793)

Compositions: coating or plastic

Coating or plastic compositions

Marking

Reexamination Certificate

active

07655084

ABSTRACT:
Disclosed is a phase change carbon black ink composition comprising 1) a low polarity ink carrier comprising (A) a low polarity wax, optionally (B) an ester-terminated polyamide, (2) a dispersant, and (3) a carbon black colorant. The ink can be resistant to substantial aggregation and settling of the carbon black colorant in the melt and up to about the jetting temperature of the ink even when exposed to freeze thaw cycles.

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