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Browse by Category: Main > Material Science
Class Information
Number: 501/64
Name: Compositions: ceramic > Ceramic compositions > Glass compositions, compositions containing glass other than those wherein glass is a bonding agent, or glass batch forming compositions > Silica containing > 40 percent - 90 percent by weight silica > And yttrium or rare earth (i.e., elements with atomic numbers 39 or 57-71)
Description: Compositions additionally containing yttrium or a rare earth in elemental or compound form.


Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
7098158 Glass for press molding, and lens Aug. 29, 2006
7091142 Glass-ceramic and its production and use Aug. 15, 2006
7087543 Optical glass, press-molding preform and optical element Aug. 8, 2006
7084084 Highly durable silica glass, process for producing same, member comprised thereof, and apparatus provided therewith Aug. 1, 2006
7074732 Zinc-containing optical glass materials Jul. 11, 2006
7073353 Production of mineral wool Jul. 11, 2006
7049255 Colored glass for lighting, colored glass bulb and method for producing thereof May. 23, 2006
7041366 Porous silicon nitride ceramics and method for producing the same May. 9, 2006
7037869 Clear glass composition May. 2, 2006
7030047 Clear glass composition Apr. 18, 2006
7012783 Sealing glass for magnetic head, magnetic head, and magnetic recording/reproducing device Mar. 14, 2006
6992031 Method for producing aluminosilicate glass Jan. 31, 2006
6989633 Alkaline-earth aluminosilicate glass, containing CA and BA, suitable for use in lamp bulbs, and a lamp bulb containing same Jan. 24, 2006
6987359 Component assembly with solder glass preform for lighting device and sealing process Jan. 17, 2006
6977232 Optical glass, preform for press molding and optical part Dec. 20, 2005
6970644 Heating configuration for use in thermal processing chambers Nov. 29, 2005
6962887 Transparent glass having blue edge color Nov. 8, 2005
6956000 Panel glass for cathode ray tube Oct. 18, 2005
6949484 Clear glass composition Sep. 27, 2005
6942934 Glass material for a substrate, glass substrate, and information recording medium employing the same Sep. 13, 2005
6940220 Glass, method for its production, and FED device Sep. 6, 2005
6927186 Glass composition including sulfides having low visible and IR transmission Aug. 9, 2005
6921730 Glass composition, protective-layer composition, binder composition, and lamp Jul. 26, 2005
6916753 Tm3+-doped silicate glass and the use thereof Jul. 12, 2005
6914024 Glass beads and uses thereof Jul. 5, 2005
6908870 Glass material for a substrate, glass substrate, and information recording medium employing the same Jun. 21, 2005
6903037 High transmittance glass sheet and method of manufacturing the same Jun. 7, 2005
6881489 Thin sheet mirror and Nd2O3 doped glass Apr. 19, 2005
6878653 Ultraviolet ray-absorbing, colorless and transparent soda-lime-silica glass Apr. 12, 2005
6873593 Three-Dimensional optical memory with fluorescent photosensitive vitreous material read and written to by laser Mar. 29, 2005
6858553 Glass composition Feb. 22, 2005
6849334 Optical materials and optical devices Feb. 1, 2005
6844280 Flat glass having high transmittance Jan. 18, 2005
6841494 Ultraviolet/infrared absorbent green glass with medium light transmittance Jan. 11, 2005
6835914 Apparatus and method for reducing stray light in substrate processing chambers Dec. 28, 2004
6831791 Optical system for optical communications and method of manufacturing the same Dec. 14, 2004
6831030 High transmittance glass sheet and method of manufacturing the same Dec. 14, 2004
6825142 Interference filter having a glass substrate Nov. 30, 2004
6821628 Glass-ceramic cooking panel that makes deposited material, such as dirt, less conspicuous Nov. 23, 2004
6815385 Tungsten sealing glass for use in a fluorescent lamp Nov. 9, 2004
6806216 Zinc-containing optical glass materials Oct. 19, 2004
6800574 Glass beads and uses thereof Oct. 5, 2004
6790799 Glass panel for color cathode ray tube, and cathode ray tube Sep. 14, 2004
6784129 Ultraviolet/infrared absorbent low transmittance glass Aug. 31, 2004
6780801 Raw material composition for soda-lime glass Aug. 24, 2004
6773816 Driving glasses Aug. 10, 2004
6764972 Mother glass composition for graded index lens Jul. 20, 2004
6716780 Grey glass composition including erbium, holmium, and/or yttrium Apr. 6, 2004
6716779 Substrate glass for optical interference filters with minimal wave length shift Apr. 6, 2004
6680266 Alkaline-earth aluminoborosilicate glass and the uses thereof Jan. 20, 2004

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