Sicpa Holding Sa

Cabot Security Materials, Inc.

Cabot Corporation

Jainisha Shah

Mark J Hampden-Smith

Scott T Haubrich

Richard Einhorn

Steven R Cordero

James Brewster

Gary Darsey

Steven Cordero

The invention relates to a reflective feature, e.g., reflective security feature or reflective decorative feature, comprising a first element at least partially coplanar with a second element. The first element causes incident light to be reflected with a first intensity that varies as the angle of incidence changes relative to a surface of the reflective feature. The invention also relates to a direct write printing process for forming such a reflective feature from an ink comprising metallic nanoparticles.

Reflective features with co-planar elements and processes for making them

A particulate composition comprises a plurality of particles wherein at least one of the particles comprises at least two different crystalline and/or glass phases, each phase comprising a host lattice and a dopant sensitive to electromagnetic radiation. The different phases simultaneously produce different responses on exposure to photons of the same energy, whereby the output from the particulate composition when exposed to said photons is the sum of the responses from the different phases.

Particulate compositions having plural responses to excitation radiation

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Rio Rancho, NM, United States of America

Jainisha Shah