Polymer beads

Details Polymer beads Polymer beads

2005-03-01

2005-03-01

Acquah, Samuel A. (Department: 1711)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C106S031040, C106S031160, C106S031270, C428S221000, C428S916000, C430S321000

Reexamination Certificate

active

06860927

ABSTRACT:
The invention relates to polymer beads comprising an anisotropic polymer material with helically twisted structure, to their use in reflective films, spraying or printing inks or as pigments, for optical or electrooptical, decorative or security applications, to a reflective film comprising one or more polymer beads in a transmissive binder, and to a security marking or security device comprising one or more polymer beads or comprising a reflective film.

REFERENCES:
patent: WO 9800428 (1998-01-01), None

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