Compositions: ceramic – Ceramic compositions – Glass compositions – compositions containing glass other than...
Reexamination Certificate
2005-07-15
2008-10-14
Lorengo, Jerry (Department: 1793)
Compositions: ceramic
Ceramic compositions
Glass compositions, compositions containing glass other than...
C501S071000, C501S064000
Reexamination Certificate
active
07435696
ABSTRACT:
The invention is a glass composition with high visible light transmission and low ultraviolet light transmission, comprising, in weight percentage, less than 0.03 wt % of ferric oxide, from 0.05 to 1 wt % of titanium oxide and from 0 to 0.6 of cerium oxide, the glass having greater than 87% in visible luminous transmittance; a UV light transmission less than 60% and more preferably less than 50%; and, a solar direct transmittance no more than 90%.
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Hostetter and Roberts, “Note on the Dissociation of Ferric Oxide Dissolved in Glass and its Relation to the Color of Iron-Bearing Glasses,” read at the Joint Meeting of the Glass Division of the American Ceramic Society and the English Society of Glass Technology in Pittsburgh, Sep. 2, 1920.
Densem et al., “The Equilibrium between Ferrous and Ferric Oxides in Glasses,” communicated to the International Congress on Glass, Sheffield, Jul. 1936, and to the Society at its Glasgow meeting, May 28, 1937.
M.D. Beals, “Effects of Titanium Dioxide in Glass,” The Glass Industry, Sep. 1963, pp. 495-501, 530-531.
Cid-Aguilar José Guadalupe
Pinto-Negroe Rafael Enrique
Scheffler-Hudlet Herbert
Abelman ,Frayne & Schwab
Bolden Elizabeth A
Lorengo Jerry
Vidrio Plano De Mexico, S.A. DE C.V.
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