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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:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
5326730 Barium aluminosilicate glasses Jul. 5, 1994
5326728 Lead-free enamel compositions for the decoration of low-expansion glass-ceramics Jul. 5, 1994
5324691 Glass composition Jun. 28, 1994
5322819 Ultraviolet absorbing glasses Jun. 21, 1994
5308804 Moving disks made of semiconductor nanocrystallite embedded glass May. 3, 1994
5308803 Glass compositions May. 3, 1994
5304516 Glaze compositions Apr. 19, 1994
5304518 Hybrid package, glass ceramic substrate for the hybrid package, and composition for the glass ceramic substrate Apr. 19, 1994
5300465 Photochromic glasses which darken to a pink hue Apr. 5, 1994
5300467 Optical glass Apr. 5, 1994
5296415 Opacified enamel for direct-on enamelling on unpickled steel plate Mar. 22, 1994
5294573 Sol-gel process of making gradient-index glass Mar. 15, 1994
5292690 Glass composition for glass bubbles with increased compressive strength Mar. 8, 1994
5281562 Ultraviolet absorbing glasses Jan. 25, 1994
5270269 Lead-free fine crystal glassware Dec. 14, 1993
5268335 Fast strengthening glass lenses Dec. 7, 1993
5264398 Lead-, cadmium- and barium-free frits for ceramic glazes Nov. 23, 1993
5264272 Resistor paste and ceramic substrate Nov. 23, 1993
5262363 Overglaze colors for pottery Nov. 16, 1993
5256601 Slow fading photochromic glass Oct. 26, 1993
5256607 Neutral, ultraviolet absoring, fixed tint lenses Oct. 26, 1993
5244845 Multipurpose photochromic brown glasses Sep. 14, 1993
5244847 Alkali free glass Sep. 14, 1993
5242869 Colored glass Sep. 7, 1993
5219801 Borosilicate glass composition Jun. 15, 1993
5217928 Hollow glass spheres Jun. 8, 1993
5209835 Method for producing a specified zirconium-silicon amorphous oxide film composition by sputtering May. 11, 1993
5204291 Transparent lead-free glazes Apr. 20, 1993
5204289 Glass-based and glass-ceramic-based composites Apr. 20, 1993
5200369 Glaze compositions Apr. 6, 1993
5194337 Glass joint body and method of manufacturing the same Mar. 16, 1993
5182237 Borosilicate glass for electronic flash lamps Jan. 26, 1993
5176747 Dental porcelain for titanium and titanium alloys Jan. 5, 1993
5173114 Basal ceramic layer - reconstruction Dec. 22, 1992
5100841 Porous glass and process for its production Mar. 31, 1992
5089172 Thick film conductor compositions for use with an aluminum nitride substrate Feb. 18, 1992
5077240 Strengthenable, high neodymium-containing glasses Dec. 31, 1991
5068208 Sol-gel method for making gradient index optical elements Nov. 26, 1991
5064784 Glass frit useful for the preparation of glass bubbles, and glass bubbles prepared by using it Nov. 12, 1991
5047371 Glass/ceramic sealing system Sep. 10, 1991
5017521 Borosilicate glass compositions incorporating cerium oxide May. 21, 1991
5013362 Fluorine-free superopaque enamel frits May. 7, 1991
5001086 Sintered glass-ceramic body and method Mar. 19, 1991
4994415 SiO.sub.2 -Al.sub.2 O.sub.3 -BaO glass substrates with improved chemical resistance for use in display panels and others having thin films Feb. 19, 1991
4983550 Hollow glass spheres Jan. 8, 1991
4970178 Lead-free glass frit compositions Nov. 13, 1990
4940674 High strength, haze-free, transparent glass-ceramics Jul. 10, 1990
4933307 Silica-rich porous substrates with reduced tendencies for breaking or cracking Jun. 12, 1990
4902650 Gradient-index glass Feb. 20, 1990
4897509 Glass-ceramics for electronic packaging Jan. 30, 1990

1 2 3 4 5 6 7 8


 
 
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