Optically variable multilayer structure on flexible web

Details Optically variable multilayer structure on flexible web Optically variable multilayer structure on flexible web

1992-06-22

1994-01-25

Cannon, James C.

Stock material or miscellaneous articles

Composite

Of polycarbonate

428483, 428500, 428696, 428913, B32B 706

Patent

active

052814807

ABSTRACT:
Articles and methods for forming optically variable thin film flakes and replicated coatings having preselected optical properties. The articles generally comprise a flexible web of material and an optically variable thin film coating formed on one surface of the web. The optically variable coating is separated from the web to form optically variable thin film flakes. The flakes are disposed in ink and paint vehicles to provide optically variable inks, paints and the like.

REFERENCES:
patent: 3858977 (1975-01-01), Baird et al.
patent: 5059245 (1991-10-01), Phillips et al.
patent: 5084351 (1992-01-01), Phillips et al.
patent: 5135812 (1992-08-01), Phillips et al.

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