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Class Information
Number: 501/60
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 lead
Description: Compositions additionally containing lead or a lead compound.










Sub-classes under this class:

Class Number Class Name Patents
501/62 And aluminum 152
501/61 And boron 123


Patents under this class:
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Patent Number Title Of Patent Date Issued
8431500 Lead-containing space glass, its production and its use Apr. 30, 2013
8431501 Lead-containing space glass, its production and use Apr. 30, 2013
8193109 Ceramic materials containing spherical shaped carbon particles Jun. 5, 2012
7605098 Low alkali, non-crystalline, vitreous silica fillers Oct. 20, 2009
7316740 Lithium silicate materials Jan. 8, 2008
7196027 Optical glass suffering little change in refractive index by radiation of light Mar. 27, 2007
7144633 Glass compositions Dec. 5, 2006
7091143 Glass funnel for cathode ray tube, and cathode ray tube Aug. 15, 2006
7074732 Zinc-containing optical glass materials Jul. 11, 2006
7041165 Method for making cold-process bituminous mix May. 9, 2006
6989633 Alkaline-earth aluminosilicate glass, containing CA and BA, suitable for use in lamp bulbs, and a lamp bulb containing same Jan. 24, 2006
6903038 Glass with a minimal stress-optic effect Jun. 7, 2005
6865909 Method of preparing CRT funnel glass capable of effectively recycling another glass member Mar. 15, 2005
6806216 Zinc-containing optical glass materials Oct. 19, 2004
6642163 CRT funnel of a non beam-index type Nov. 4, 2003
6617789 Glass for covering electrodes and plasma display panel Sep. 9, 2003
6436857 Large photosensitivity in lead silicate glasses Aug. 20, 2002
6437501 CRT bulb glass containing PbO and Fe2O3 Aug. 20, 2002
6416235 Glass ferrule optical fiber connectors Jul. 9, 2002
6251811 Funnel glass for a cathode ray tube Jun. 26, 2001
6218775 Cathode ray tube neck glass Apr. 17, 2001
5807611 Electronic coatings Sep. 15, 1998
5622904 Glass material for molding optical elements Apr. 22, 1997
5565389 Ophthalmic glass of high refractive index Oct. 15, 1996
5475528 Optical signal amplifier glasses Dec. 12, 1995
5449645 Glasses with PBS and/or PBSE crystals Sep. 12, 1995
5420080 Wavelength up-conversion transparent glass ceramics May. 30, 1995
5366939 Gradient index optical element Nov. 22, 1994
5308652 Process for treating lead glass to form a lead diffusion barrier in the surface thereof May. 3, 1994
5256606 Moisture resistant low melting point glass for magnetic head and magnetic head Oct. 26, 1993
5206189 Sol-gel method for the preparation of monolithic multicomponent oxide glasses Apr. 27, 1993
5192718 Lead silicate glasses Mar. 9, 1993
5140109 Container package for semiconductor element Aug. 18, 1992
5073524 Radiation-shielding glasses providing safety against electrical discharge and being resistant to discoloration Dec. 17, 1991
5057464 Radiation shielding glass having an improved gamma irradiation browning and dielectric breakdown Oct. 15, 1991
5047371 Glass/ceramic sealing system Sep. 10, 1991
5039631 Strengthenable, high non-nd lanthanoid-containing glasses Aug. 13, 1991
4988376 Glassification of lead and silica solid waste Jan. 29, 1991
4985376 Conductive paste compositions and ceramic substrates Jan. 15, 1991
4980319 Solarization-stable ultraviolet filter glasses for the 280-500 nm transmission range Dec. 25, 1990
4952531 Sealing glass for matched sealing of copper and copper alloys Aug. 28, 1990
4946622 Blue luminescing glasses Aug. 7, 1990
4906597 Solarization-stable ultraviolet filter glasses for the 280 - 500 nm transmission range Mar. 6, 1990
4855260 Glasses exhibiting low thermal coefficients of elasticity Aug. 8, 1989
4833105 Anti-fogging material May. 23, 1989
4806268 Luminescing glasses Feb. 21, 1989
4764233 Process for producing a ceramic multi-layer circuit board Aug. 16, 1988
4737316 Purification of contaminated liquid Apr. 12, 1988
4737475 Arsenic-free lead silicate vacuum tube glass Apr. 12, 1988
4721690 High PbO-content glasses in the system SiO.sub.2 --PbO--M.sub.2 O with increased chemical stability Jan. 26, 1988

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