Electric lamp and discharge devices – With optical device or special ray transmissive envelope – Reflector
Reexamination Certificate
2007-02-13
2007-02-13
Guharay, Karabi (Department: 2879)
Electric lamp and discharge devices
With optical device or special ray transmissive envelope
Reflector
C362S341000, C523S135000
Reexamination Certificate
active
10996918
ABSTRACT:
The present invention provides a light reflecting polymeric composition that includes at least one halogenated-flame-retardant-additive-free polymer having dispersed therein a pigment package including a combination of Sb2O3and TiO2. The Sb2O3and TiO2preferably have an average particle size within the range of from about 0.05 μm to about 1.0 μm, and more preferably about 0.2 μm. When used in combination, the Sb2O3and TiO2pigments synergistically interact together to provide a polymeric composition exhibiting a reflectivity that is substantially higher than can be obtained by the use of either of the pigments alone.
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Abrams Richard
Ali Mir
Chundury Deenadayalu
Harris Ronald M.
McGee, II Theophilus G.
Ferro Corporation
Guharay Karabi
Rankin, Hill Porter & Clark LLP
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