Radiation imagery chemistry: process – composition – or product th – Holographic process – composition – or product
Patent
1994-12-29
1996-03-19
Bowers, Jr., Charles L.
Radiation imagery chemistry: process, composition, or product th
Holographic process, composition, or product
430 2, 430290, 4302701, 4302811, 359 1, 359 3, 359 13, 359 14, G03H 102
Patent
active
055003117
ABSTRACT:
Holographic flake pigments, processes for making the pigments, decorative coatings comprising the pigments, and articles comprising the decorative coatings are disclosed. The pigment comprises particles that (1) comprise an organic polymer and further comprise one or more volume phase holograms; and (2) have a thickness of about 1 micrometer to about 100 micrometers, an average diameter of about 10 micrometers to about 300 micrometers, and a thickness to diameter ratio of about 1:2 to about 1:60.
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King James G.
Mackara Steven R.
Mickish Daniel J.
Spooner David L.
Angebranndt Martin J.
Bowers Jr. Charles L.
E. I. Du Pont de Nemours and Company
Fricke Hilmar L.
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