Pigment concentrates and method for producing them

Details Pigment concentrates and method for producing them Pigment concentrates and method for producing them

2005-01-25

2005-01-25

Klemanski, Helene (Department: 1755)

Compositions: coating or plastic

Materials or ingredients

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

C106S272000, C106S447000, C106S460000, C106S471000, C106S476000, C106S491000

Reexamination Certificate

active

06846356

ABSTRACT:
Pigment concentrates comprising at least one pigment and one polyolefin wax prepared from one or more olefins by catalysis with a single-site catalyst comprising a transition metal of groups 5 to 8 of the Periodic Table, where the complex contains not more than one cyclopentadienyl system per transition metal atom, the concentrates comprising a thermoplastic, if desired, and additives, if desired.

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Liang et al. “Constrained Geometry Chromium Catalysts of Olefin Polymerization” Oganometallics vol. 15, pp. 5284-5286, Sep. 1996.

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