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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 |
| 4224177 |
Fixation of radioactive materials in a glass matrix |
Sep. 23, 1980 |
| 4223077 |
Na.sup.+ -conducting glass, glass-ceramic and crystalline cubic composition |
Sep. 16, 1980 |
| 4200467 |
Zirconium-containing borosilicate glasses |
Apr. 29, 1980 |
| 4194807 |
Optical fiber wave-guides for signal transmission comprising multiple component glass with an adjusted expansion co-efficient between the core and mantle |
Mar. 25, 1980 |
| 4190451 |
Photochromic glass |
Feb. 26, 1980 |
| 4179300 |
Optical glass |
Dec. 18, 1979 |
| 4179638 |
Cathode ray tube panel |
Dec. 18, 1979 |
| 4162921 |
Glass-crystalline material and method of producing same |
Jul. 31, 1979 |
| 4160672 |
Glass-ceramics for semiconductor doping |
Jul. 10, 1979 |
| 4134747 |
Method of forming transparent and opaque portions in a reducing atmosphere glass |
Jan. 16, 1979 |
| 4130680 |
Strong, lightweight photosensitive laminate |
Dec. 19, 1978 |
| 4122042 |
Composite body useful in gas discharge lamp |
Oct. 24, 1978 |
| 4102805 |
Cathodoluminescent and photoluminescent glasses |
Jul. 25, 1978 |
| 4097401 |
Thermodynamically stable product for permanent storage and disposal of highly radioactive liquid wastes |
Jun. 27, 1978 |
| 4093468 |
Process to obtain transparent colorless and glass-ceramics so obtained |
Jun. 6, 1978 |
| 4089693 |
Glass for television display cathode-ray tubes |
May. 16, 1978 |
| 4081761 |
Enhanced laser pumping by auxiliary luminescent centers that absorb and transfer normally wasted pump energy to the laser ion |
Mar. 28, 1978 |
| 4076544 |
Copper-cadmium-silver photochromic glass |
Feb. 28, 1978 |
| 4055435 |
Glass compositions for ophthalmic lenses |
Oct. 25, 1977 |
| RE29388 |
Glass compositions and fibers made therefrom |
Sep. 6, 1977 |
| 4042405 |
High strength ophthalmic lens |
Aug. 16, 1977 |
| 4038090 |
Ion exchangeable glass having low thermal expansion |
Jul. 26, 1977 |
| 4036623 |
Method of making hardened ophthalmic lenses by ion exchange |
Jul. 19, 1977 |
| 4030935 |
Glass |
Jun. 21, 1977 |
| 4018965 |
Photochromic sheet glass compositions and articles |
Apr. 19, 1977 |
| 4017318 |
Photosensitive colored glasses |
Apr. 12, 1977 |
| 4015966 |
Manufacture of X-ray absorbing glass composition by a float glass process |
Apr. 5, 1977 |
| 4011093 |
Sealant for glass-ceramic surfaces |
Mar. 8, 1977 |
| 4002449 |
Method of melting laser glass compositions |
Jan. 11, 1977 |
| 4000998 |
Spontaneously-formed nepheline-carnegieite glass-ceramics |
Jan. 4, 1977 |
| 3997249 |
Ion exchangeable segment glass |
Dec. 14, 1976 |
| 3997250 |
High strength ophthalmic lens |
Dec. 14, 1976 |
| 3993844 |
Composite ceramic articles and method of making |
Nov. 23, 1976 |
| 3973972 |
Glass ceramic as filler in polymerizable dental filling compositions |
Aug. 10, 1976 |
| 3969121 |
Glass compositions and fibers made therefrom |
Jul. 13, 1976 |
| 3961969 |
Glass-ceramics for semiconductor doping |
Jun. 8, 1976 |
| 3960754 |
Multi-wavelength optical filter |
Jun. 1, 1976 |
| 3959171 |
Optical filter for neodymium laser light |
May. 25, 1976 |
| 3954656 |
Laser glasses with high damage threshold and method of making such glasses |
May. 4, 1976 |
| 3954485 |
Silver-free polarizing photochromic glasses |
May. 4, 1976 |
| 3951670 |
Cristobalite suppression in high-silica Li.sub.2 O-Al.sub.2 O-SiO.sub.2 devitrified glass frits |
Apr. 20, 1976 |
| 3947281 |
High modulus rare earth and beryllium containing silicate glass compositions |
Mar. 30, 1976 |
| 3946128 |
Laser assemblies using glass discs with lead borate coatings |
Mar. 23, 1976 |
| 3944329 |
Faraday rotator device including lithia-silicate glass articles containing Tb.sub.2 O.sub.3 and methods of using same |
Mar. 16, 1976 |
| 3942992 |
Chemically resistant silicate glass |
Mar. 9, 1976 |
| 3931591 |
Q-switching device for glass lasers |
Jan. 6, 1976 |
| 3931590 |
Q-Switching device for glass lasers |
Jan. 6, 1976 |
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