Optical: systems and elements – Holographic system or element – Using a hologram as an optical element
Reexamination Certificate
2005-01-18
2005-01-18
Berman, Susan (Department: 1711)
Optical: systems and elements
Holographic system or element
Using a hologram as an optical element
C359S456000, C359S457000, C359S459000, C359S580000, C359S742000, C428S001100, C428S001600, C428S030000, C428S064400, C428S195100, C428S206000, C522S081000, C522S083000, C522S077000
Reexamination Certificate
active
06844950
ABSTRACT:
Blends of oligomeric urethane multi(meth)acrylate; optionally at least one other monomer selected from the group consisting of acrylic monomers, styrenic monomers and ethylenically unsaturated nitrogen heterocycles, preferably a polyol multi(meth)acrylate; and nanoparticles of an ethylenically unsaturated, preferably (meth)acrylic-functionalized, titanium or zirconium compound can be cured by ultraviolet radiation in contact with a photoinitiator to produce optical resinous articles having high refractive indices, haze ratings of at most 5% and other properties which may be tailored according to the desired use.
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P.W. Oliveira et al, “Fabrication of GRIN-Materials by Photopolymerization of Diffusion-Controlled Organic-Inorganic Nanocomposite Materials”, Materials Research Society Symp. Proc. vol. 435, 1996.
Chisholm Bret Ja
Coyle Dennis Joseph
Resue James Alan
Berman Susan
Caruso Andrew J.
General Electric Company
Patnode Patrick K.
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