Optical: systems and elements – Projection screen
Reexamination Certificate
2006-05-23
2006-05-23
Koval, Melissa Jan (Department: 2851)
Optical: systems and elements
Projection screen
C359S460000, C428S463000, C524S847000, C156S331800, C427S487000
Reexamination Certificate
active
07050227
ABSTRACT:
A composition having at least about 10 percent perfluoroalkylsulfonamideoethyl acrylate; at least about 5 percent aliphatic urethane acrylate oligomer; at least about 1 percent acrylate monomer; and less than about 84 percent other reactive and non-reactive components. The composition, with the addiction of a light absorbing pigment, is particularly useful as a light absorbing adhesive in an optical element such as a rear projection screen that incorporates totally internally reflecting structures to disperse the light passing through the screen.
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Gates Amy J.
Moore George G. I.
Olofson Peter M.
Savu Patricia M.
Thomas Patrick A.
3M Innovative Properties Company
Gallo Elizabeth A.
Koval Melissa Jan
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