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Class Information
Number: 501/2
Name: Compositions: ceramic > Ceramic compositions > Devitrified glass-ceramics
Description: Compositions containing a crystalline phase embedded in a glassy (amorphous) phase, which crystalline phase is produced by cooling a molten glass composition to a temperature which causes a portion only of the composition to crystallize while the remainder of the composition (the matrix) solidifies in the amorphous or glassy state.
Sub-classes under this class:
| Class Number |
Class Name |
Patents |
| 501/5 |
Binary, ternary, quaternary, etc., metal silicate crystalline phase (e.g., mullite, diopside, sphene, plagioclase, slagcerams free of alumina, etc.) |
260 |
| 501/3 |
Halogen containing crystalline phase (e.g., fluormica, etc.) |
99 |
| 501/10 |
Nonsilica and nonsilicate crystalline phase (e.g., spinel, barium titanate, etc.) |
259 |
| 501/4 |
Silica containing crystalline phase (e.g., stuffed quartz, crystobalite, etc.) |
236 |
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7585799 |
Microspheres having a high index of refraction |
Sep. 8, 2009 |
| 7579293 |
Pavement marking, reflective elements, and methods of making microspheres |
Aug. 25, 2009 |
| 7524779 |
Microspheres having a high index of refraction |
Apr. 28, 2009 |
| 7406841 |
Glass-ceramic product with variably adjustable zero crossing of the CTE-T curve |
Aug. 5, 2008 |
| 7316740 |
Lithium silicate materials |
Jan. 8, 2008 |
| 7297645 |
Opalescent glass-ceramic product |
Nov. 20, 2007 |
| 7297171 |
Methods of making ceramics comprising Al.sub.2O.sub.3, REO, ZrO.sub.2 and/or HfO.sub.2 and Nb.sub.20.sub.5 and/or Ta.sub.2O.sub.5 |
Nov. 20, 2007 |
| 7258707 |
AI.sub.2O.sub.3-La.sub.2O.sub.3-Y.sub.2O.sub.3-MgO ceramics, and methods of making the same |
Aug. 21, 2007 |
| 7252713 |
Mesoporous glass as nucleant for macromolecule crystallisation |
Aug. 7, 2007 |
| 7172649 |
Leucite glass ceramic doped with nanoscale metal oxide powder, method for producing the same, and dental materials and dental products formed therefrom |
Feb. 6, 2007 |
| 7169725 |
Ceramic products, raw batch formulations, and method |
Jan. 30, 2007 |
| 7147544 |
Glass-ceramics |
Dec. 12, 2006 |
| 7101819 |
Alumina-zirconia, and methods of making and using the same |
Sep. 5, 2006 |
| 6984261 |
Use of ceramics in dental and orthodontic applications |
Jan. 10, 2006 |
| 6887920 |
Fillings and composite dental materials containing the fillings |
May. 3, 2005 |
| 6878464 |
Glass-ceramic composite material and multilayered circuit substrate |
Apr. 12, 2005 |
| 6797048 |
Method for preparing glass-ceramic |
Sep. 28, 2004 |
| 6674236 |
Gas-discharge display panel and process for manufacturing the display panel |
Jan. 6, 2004 |
| 6485622 |
Lithium ion conductive glass-ceramics and electric cells and gas sensors using the same |
Nov. 26, 2002 |
| 6413619 |
Method of making ceramic member and marked ceramic member |
Jul. 2, 2002 |
| 6340650 |
Ceramic products made from waste glass, raw batch formulations, and method |
Jan. 22, 2002 |
| 6287993 |
Long-lasting phosphorescent glasses and glass-ceramics |
Sep. 11, 2001 |
| 6197429 |
Method for making transparent glass-ceramics with high temperature dimensional stability |
Mar. 6, 2001 |
| 5935885 |
Manufacture of ceramic tiles from fly ash |
Aug. 10, 1999 |
| 5879788 |
Low-temperature fired ceramic circuit substrate and thick-film paste for use in fabrication thereof |
Mar. 9, 1999 |
| 5702514 |
Method for molding dental restorations and related apparatus |
Dec. 30, 1997 |
| 5665459 |
Low-temperature fired ceramic circuit substrate and thick-film paste for use in fabrication thereof |
Sep. 9, 1997 |
| 5597644 |
Ceramic circuit board and process for producing same |
Jan. 28, 1997 |
| 5472471 |
Process for the production of an optical fiber bundle for heat resistance and vacuum resistance by bonding fiber ends with a bonding glass |
Dec. 5, 1995 |
| 5378661 |
Synthetic phyllosilicates and process for their preparation |
Jan. 3, 1995 |
| 5344799 |
Formable ceramic compositions and method of use therefor |
Sep. 6, 1994 |
| 5281563 |
Dental ceramic material with a relatively low processing temperature |
Jan. 25, 1994 |
| 5173331 |
Zirconia toughening of glass-ceramic materials |
Dec. 22, 1992 |
| 5110357 |
Nonsilica mold material for dental titanium cast |
May. 5, 1992 |
| 5074916 |
Alkali-free bioactive sol-gel compositions |
Dec. 24, 1991 |
| 4931413 |
Glass ceramic precursor compositions containing titanium diboride |
Jun. 5, 1990 |
| 4877484 |
Flocced 2:1 layered silicates and water-resistant articles made therefrom |
Oct. 31, 1989 |
| 4861646 |
Co-fired metal-ceramic package |
Aug. 29, 1989 |
| 4775646 |
Fluoride-containing Bioglass.TM. compositions |
Oct. 4, 1988 |
| 4772346 |
Method of bonding inorganic particulate material |
Sep. 20, 1988 |
| 4758538 |
Foamed ceramic body and process for production thereof |
Jul. 19, 1988 |
| 4642148 |
Method for producing a multilayer ceramic circuit board |
Feb. 10, 1987 |
| 4621066 |
Low temperature fired ceramics |
Nov. 4, 1986 |
| 4522924 |
Immobilized enzyme composite/process using a mica carrier |
Jun. 11, 1985 |
| 4490645 |
Color television display tube |
Dec. 25, 1984 |
| 4455382 |
Organic-inorganic composites of neutralized polyelectrolyte complexes |
Jun. 19, 1984 |
| 4454237 |
Organic-inorganic composites containing synthetic mica |
Jun. 12, 1984 |
| 4453981 |
Direct preparation of slurries for ceramic board |
Jun. 12, 1984 |
| 4340839 |
Zinc sulfide ceramic material and cathode ray tubes using the same |
Jul. 20, 1982 |
| 4315778 |
Flux composition for ceramic color, containing no harmful heavy metal |
Feb. 16, 1982 |
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