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Photochromism is the
reversible change of
color upon
exposure to light. It is a
transformation of a
chemical species (photoswitch)
between two
forms by...
- A
photochromic lens is an
optical lens that
darkens on
exposure to
light of
sufficiently high frequency, most
commonly ultraviolet (UV) radiation. In the...
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change of
colour of a
chemical substance. The
spiropyrans are one of the
photochromatic molecules that have
raised more
interest lately.
These molecules consist...
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experimental measurements. This
phenomenon can be important, for
example in
photochromatic eyegl****es. Gold, Victor, ed. (2019). The
IUPAC Compendium of Chemical...
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different types of UV
indicator in its
Smartswim bikinis in 2008 –
photochromatic beads that
darken with
increased UV
levels and an
integrated LED display...
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slide projectors (Splendar). In 1968, the
company introduced the
first photochromatic gl****es in Europe, and from 1975 onwards, it
produced the
first plastic...
- PMC 9617462. PMID 36317159. US
patent 6470891B2,
George H. Carroll, "
Photochromatic tattoo",
issued 2002-10-29 Butterfield,
Jesse L.; Keyser, Sean P.;...
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award from
Material ConneXion in NYC[clarification needed] for
their photochromatic "blushing bottles." On
December 28, 2012,
Americhem Inc.
purchased Infinity...