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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:
| Patent Number |
Title Of Patent |
Date Issued |
| 5925582 |
Glass composition suitable for use in a fluorescent lamp, lamp envelope manufactured from said glass composition and fluorescent lamp provided with a lamp envelope of said glass composition |
Jul. 20, 1999 |
| 5919718 |
Glass composition moldable into an optical element with reduced pull-out |
Jul. 6, 1999 |
| 5897956 |
Glass having low solar radiation and ultraviolet ray transmittance |
Apr. 27, 1999 |
| 5895768 |
Chemically prestressable aluminosilicate glass and products made therefrom |
Apr. 20, 1999 |
| 5877103 |
Dark grey soda-lime glass |
Mar. 2, 1999 |
| 5877102 |
Very dark grey soda-lime glass |
Mar. 2, 1999 |
| 5858896 |
Ultraviolet and infrared radiation absorbing glass |
Jan. 12, 1999 |
| 5858894 |
Ultraviolet and infrared radiation absorbing glass |
Jan. 12, 1999 |
| 5854152 |
Glasses for display panels |
Dec. 29, 1998 |
| 5854151 |
Glass body with distribution composition |
Dec. 29, 1998 |
| 5854153 |
Glasses for display panels |
Dec. 29, 1998 |
| 5849068 |
Dental prosthesis |
Dec. 15, 1998 |
| 5830814 |
Glass compositions for the manufacture of glazings |
Nov. 3, 1998 |
| 5827790 |
Unleaded transparent vitreous glass composition and articles |
Oct. 27, 1998 |
| 5815625 |
Glass and fiber optic plate using the same |
Sep. 29, 1998 |
| 5776845 |
High transmittance green glass with improved UV absorption |
Jul. 7, 1998 |
| 5763342 |
Ultraviolet ray absorbing colored glass |
Jun. 9, 1998 |
| 5744409 |
Optical glass |
Apr. 28, 1998 |
| 5713994 |
Low-fusing temperature porcelain, compositions, prostheses, methods and kits |
Feb. 3, 1998 |
| 5714422 |
Transparent glass |
Feb. 3, 1998 |
| 5696039 |
Glass and fiber optic plate using the same |
Dec. 9, 1997 |
| 5681782 |
Light pink glassware |
Oct. 28, 1997 |
| 5679144 |
Powder composition for the preparation of an opaque dental porcelain in the form of a paste |
Oct. 21, 1997 |
| 5656558 |
Fire retardant safety glass |
Aug. 12, 1997 |
| 5653791 |
Two-phase dental forcelain composition |
Aug. 5, 1997 |
| 5641347 |
Barium-free dental glass having good x-ray absorption |
Jun. 24, 1997 |
| 5631522 |
Low sodium permeability glass |
May. 20, 1997 |
| 5618763 |
Alkali-zinc-silicate glass-ceramics and glasses |
Apr. 8, 1997 |
| 5572091 |
Quartz glass with reduced ultraviolet radiation transmissivity, and electrical discharge lamp using such glass |
Nov. 5, 1996 |
| 5569630 |
Composites for glass |
Oct. 29, 1996 |
| 5552350 |
Low-fusing temperature porcelain |
Sep. 3, 1996 |
| 5541471 |
Electric lamp |
Jul. 30, 1996 |
| 5528107 |
Lead and arsenic free, solarization resistant glass |
Jun. 18, 1996 |
| 5525554 |
High index glasses |
Jun. 11, 1996 |
| 5525553 |
Colorless ophthalmic glasses |
Jun. 11, 1996 |
| 5512520 |
Ivory color in opaque glass-ceramic |
Apr. 30, 1996 |
| 5468692 |
Non-browning cathode ray tube glasses |
Nov. 21, 1995 |
| 5447786 |
Selective infrared line emitters |
Sep. 5, 1995 |
| 5446007 |
Brown contrast enhancement glass |
Aug. 29, 1995 |
| 5432130 |
Opalescent glass |
Jul. 11, 1995 |
| 5420080 |
Wavelength up-conversion transparent glass ceramics |
May. 30, 1995 |
| 5391320 |
Terbium activated silicate luminescent glasses |
Feb. 21, 1995 |
| 5387558 |
Colored glass-ceramic articles |
Feb. 7, 1995 |
| 5382552 |
Rare earth-containing alkali silicate frits and their use for the preparation of porcelain enamel coatings with improved cleanability |
Jan. 17, 1995 |
| 5378662 |
Glass, dielectric composition, multilayer wiring substrate, and multilayer ceramic capacitor |
Jan. 3, 1995 |
| 5366939 |
Gradient index optical element |
Nov. 22, 1994 |
| 5350972 |
UV absorbing lamp glass |
Sep. 27, 1994 |
| 5346866 |
Dental ceramic material with a relatively low processing temperature |
Sep. 13, 1994 |
| 5342810 |
Zinc-containing, lead- and cadmium-free glass frits, method of their production and their use |
Aug. 30, 1994 |
| 5318931 |
Glass panes for vehicles |
Jun. 7, 1994 |
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