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Class Information
Number: 501/67
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 boron > And aluminum > And zinc or zirconium
Description: Compositions additionally containing zinc or zirconium or a compound of either of these elements.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4879261 |
Low Dielectric constant compositions |
Nov. 7, 1989 |
| 4870034 |
Borosilicate glass |
Sep. 26, 1989 |
| 4859637 |
Lead-free U.V. absorbing glass |
Aug. 22, 1989 |
| 4857485 |
Oxidation resistant fiber reinforced composite article |
Aug. 15, 1989 |
| 4851372 |
Glass-ceramic with specific thermal expansion behavior |
Jul. 25, 1989 |
| 4824806 |
Glass fibers having low dielectric constant |
Apr. 25, 1989 |
| 4824808 |
Substrate glass for liquid crystal displays |
Apr. 25, 1989 |
| 4822758 |
Medium refractive index glass suitable for ophthalmic applications |
Apr. 18, 1989 |
| 4814298 |
Lead-free glasses for glaze materials |
Mar. 21, 1989 |
| 4812423 |
Optical light weight glass |
Mar. 14, 1989 |
| 4797376 |
Sol-gel method for making gradient-index glass |
Jan. 10, 1989 |
| 4778777 |
Chemically durable porous glass and process for the manufacture thereof |
Oct. 18, 1988 |
| 4746634 |
Solarization-resistant glass microsheet |
May. 24, 1988 |
| 4737685 |
Seal glass composition |
Apr. 12, 1988 |
| 4719186 |
Optical and ophthalmic glass with refractive indices greater than or equal to 1.56, Abbe numbers greater than or equal to 40 and densities less than or equal to 2.70 g/cm.sup.3 |
Jan. 12, 1988 |
| 4694219 |
Discharge lamp arc tubes |
Sep. 15, 1987 |
| 4691142 |
Electric lamp and glass composition |
Sep. 1, 1987 |
| 4684847 |
Glass composition suitable for use in a fluorescent lamp, tube and lamp envelope manufactured from said glass composition, and fluorescent lamp having a lamp envelope manufactured from said gl |
Aug. 4, 1987 |
| 4666871 |
Glass composition suitable for use in a fluorescent lamp, tube and lamp envelope manufactured from said glass composition, and fluorescent lamp having a lamp envelope manufactured from said gl |
May. 19, 1987 |
| 4666867 |
Hydrogen-containing glass microfoams and gas-ceramics |
May. 19, 1987 |
| 4665039 |
Porous glass, process for its production and glass material used for the production |
May. 12, 1987 |
| 4640900 |
Low expansion glass |
Feb. 3, 1987 |
| 4624934 |
Ceramic composition for multilayer printed wiring board |
Nov. 25, 1986 |
| 4618590 |
Starting mixture for a dielectric composition |
Oct. 21, 1986 |
| 4590171 |
Low temperature lead and cadmium-free frits |
May. 20, 1986 |
| 4585972 |
Discharge lamp arc tubes |
Apr. 29, 1986 |
| 4582748 |
Glass compositions having low expansion and dielectric constants |
Apr. 15, 1986 |
| 4565791 |
Glasses for ophthalmic applications |
Jan. 21, 1986 |
| 4562161 |
Optical and ophthalmic glass with refractive indices greater than or equal to 1.56, Abbe numbers greater than or equal to 40 and densities less than or equal to 2.70 g/cm.sup.3 |
Dec. 31, 1985 |
| 4554259 |
Low expansion, alkali-free borosilicate glass suitable for photomask applications |
Nov. 19, 1985 |
| 4550087 |
Photochromic comfort glasses |
Oct. 29, 1985 |
| 4540672 |
Glasses of low density and high index of refraction for ophthalmic and optical applications |
Sep. 10, 1985 |
| 4536480 |
Opal glasses having an apatite opacifying phase |
Aug. 20, 1985 |
| 4526873 |
Transparent, mullite glass-ceramics containing ZnO and method |
Jul. 2, 1985 |
| 4526874 |
Optical light weight glass with a refractive index of >1.70, an Abbe index of >22 and a density of <3.5 G/CM.sup.3 |
Jul. 2, 1985 |
| 4495299 |
Thallium-containing optical glass composition |
Jan. 22, 1985 |
| 4495298 |
Thallium-containing optical glass |
Jan. 22, 1985 |
| 4473653 |
Ballistic-resistant glass-ceramic and method of preparation |
Sep. 25, 1984 |
| 4472030 |
Cesium-containing optical glass |
Sep. 18, 1984 |
| 4460696 |
Acid-soluble glass for making flexible optical fiber bundle |
Jul. 17, 1984 |
| 4459510 |
Lamp having a glass lamp vessel and Glass (Na-Ca-Ba-SiO.sub.2 with B.sub.2 O.sub.3 /Al.sub.2 O.sub.3 /ZrO.sub.2) suitable therefor |
Jul. 10, 1984 |
| 4454238 |
Manufacture of continuous glass filaments and compositions therefor |
Jun. 12, 1984 |
| 4438211 |
Optical and ophthalmic glass with refractive indices nd>1.58, Abbe numbers>45 and densities<2.75 g/cm.sup.3 |
Mar. 20, 1984 |
| 4437192 |
Implants of biologically active glass or glass ceramic containing titania |
Mar. 20, 1984 |
| 4431451 |
Dental material |
Feb. 14, 1984 |
| 4418985 |
Multi-component glass optical fiber for optical communication |
Dec. 6, 1983 |
| 4417913 |
Lower temperature glass and hermetic seal means and method |
Nov. 29, 1983 |
| 4407966 |
Very fast fading photochromic glass |
Oct. 4, 1983 |
| 4396682 |
Glazed ceramic substrate |
Aug. 2, 1983 |
| 4391914 |
Strengthened glass-ceramic article and method |
Jul. 5, 1983 |
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