Color effect compositions

Details Color effect compositions Color effect compositions

2005-05-17

2005-05-17

Sanders, Kriellion A. (Department: 1714)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

C523S221000, C523S223000, C524S401000, C524S430000, C524S500000, C524S513000, C524S515000, C264S001700, C264S001900, C428S144000, C428S426000, C428S457000

Reexamination Certificate

active

06894086

ABSTRACT:
A coating composition comprising a resinous binder and a color effect colorant in particulate form. The colorant includes an ordered periodic array of particles held in a polymer wherein a difference in refractive index between the polymer and the particles is at least about 0.01. The colorant reflects visible light according to Bragg's law to yield a goniochromatic effect to the coating composition.

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patent: 6337131 (2002-01-01), Rupaner et al.
patent: 0 955 323 (1999-11-01), None
Pfaff et al., “Angle-Dependent Optical Effect Deriving from Submicron Structures of Films and Pigments”, Chem. Rev. 1999, 99, 1963-1981.

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