Illumination – Light modifier – Translucent or opaque
Reexamination Certificate
2011-07-19
2011-07-19
Mullis, Jeffrey C (Department: 1765)
Illumination
Light modifier
Translucent or opaque
C428S001300, C524S505000, C525S338000
Reexamination Certificate
active
07980734
ABSTRACT:
The present invention is a bulk light diffuser material based upon a hydrogenated block copolymer, but including a particulate light diffusing component. The material may be in the form of a film, a sheet or a molded article. When present as a sheet having a thickness of 2 millimeters, the sheet has a percent total transmittance of at least 50% and a haze of at least 70%, measured according to the American Society for Testing and Materials (ASTM) standard D 1003.
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Hahn Stephen F.
Williams Kenneth W.
Wing Phillip L.
Zhou Weijun
Dow Global Technologies LLC
Mullis Jeffrey C
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