Light-modifying composition

Details Light-modifying composition Light-modifying composition

1993-04-02

1993-12-28

Bell, Mark L.

Compositions: coating or plastic

Materials or ingredients

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

106464, C04B 1404

Patent

active

052735788

ABSTRACT:
A light-modifying composition comprising a color pigment component and a pigment spacer component characterized by being a transducing material having the ability to absorb light and reflect at least part of the light absorbed, thereby modifying the light in the coating resulting from the application of the composition. Such pigment spacing component includes any material having the ability to partially absorb light. Preferred are neutral grey pigments in the form of grey powders having a minimal color producing effect. The pigments can be in the form of ground grey powders such as powders taken from granite, feldspar, quartz or limestone or in the form of spherical metallic particles such as metallic zinc.

REFERENCES:
patent: 4851048 (1989-07-01), Jones et al.
patent: 5120365 (1992-06-01), Kogler
patent: 5151124 (1992-09-01), Rice
patent: 5190583 (1993-03-01), Menzel et al.

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