Stir-in pigment preparations for coloration of energy...

Details Stir-in pigment preparations for coloration of energy... Stir-in pigment preparations for coloration of energy...

2007-03-14

2010-10-26

Wu, David (Department: 1796)

Compositions: coating or plastic

Materials or ingredients

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

C106S493000, C523S160000, C523S161000

Reexamination Certificate

active

07819968

ABSTRACT:
A dry colorant composition is disclosed and contains (a) pigment; (b) inert carrier; and (c) rheological additive having the structure:in-line-formulae description="In-line Formulae" end="lead"?P—(U—Y)sin-line-formulae description="In-line Formulae" end="tail"?wherein P is the residue of an organic colorant, Y is a polyalkylene oxide or polyalkylene moiety, U is a linking moiety covalently bonding Y to P, and s is an integer from 1 to 3.

REFERENCES:
patent: 6284816 (2001-09-01), Laksin et al.
patent: 6316517 (2001-11-01), Dones et al.
patent: 2002/0068772 (2002-06-01), Laksin et al.
patent: 2003/0176523 (2003-09-01), Murphy et al.
patent: 2003/0189682 (2003-10-01), Yamagata et al.
patent: 2005/0124727 (2005-06-01), Huber et al.

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