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Class Information
Number: 501/70
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 aluminum or iron compound > And divalent metal oxide (e.g., oxides of zinc, cadmium, beryllium, alkaline earth metal, magnesium, etc.) > Calcium oxide containing
Description: Compositions in which the divalent metal oxide is calcium oxide.


Sub-classes under this class:

Class Number Class Name Patents
501/71 And chromium, nickel, or cobalt 248


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14

Patent Number Title Of Patent Date Issued
5591682 Low expansion transparent glass-ceramic Jan. 7, 1997
5583080 Thermostable and biologically soluble mineral fibre compositions Dec. 10, 1996
5565388 Bronze glass composition Oct. 15, 1996
5561089 Glass-ceramic for information recording disk Oct. 1, 1996
5559061 Gem comprised of a glass based on silicon oxide and calcium oxide Sep. 24, 1996
5559060 Glass for laminated glass articles Sep. 24, 1996
5557171 High intensity discharge lamp with ultra violet absorbing envelope Sep. 17, 1996
5552350 Low-fusing temperature porcelain Sep. 3, 1996
5545596 Composition for colored glass intended for the manufacture of glazing panes Aug. 13, 1996
5541142 Method of making a color filter by precipitation of Cu.sub.2 O from a glass matrix Jul. 30, 1996
5532194 Cordierite glass-ceramic and method for manufacturing the same Jul. 2, 1996
5528107 Lead and arsenic free, solarization resistant glass Jun. 18, 1996
5525553 Colorless ophthalmic glasses Jun. 11, 1996
5523263 Glass production method using ilmenite Jun. 4, 1996
5508236 Ceramic glass composition Apr. 16, 1996
5508237 Flat panel display Apr. 16, 1996
5508235 Cladding glass ceramic for use in high powered lasers Apr. 16, 1996
5506180 Thermally stable, chemically resistant glass composition Apr. 9, 1996
5489558 Glasses for flat panel display Feb. 6, 1996
5470805 Glass composition suitable for use in electric lamps, stem manufactured from this glass composition and fluorescent lamp having a lamp envelope of this glass composition Nov. 28, 1995
5468693 Lead-free glasses exhibiting characteristics of crystal Nov. 21, 1995
5459109 Substrate glasses for plasma displays Oct. 17, 1995
5459110 Highly chemically and thermally resistant borosilicate glass which is capable of forming a seal with tungsten Oct. 17, 1995
5455210 Porcelain, porcelain batch composition and method for the manufacture of the porcelain Oct. 3, 1995
5434111 Lead- and barium-free crystal glass having high optical transmission Jul. 18, 1995
5432130 Opalescent glass Jul. 11, 1995
5422319 Fiber reinforced ceramic matrix composites exhibiting improved high-temperature strength Jun. 6, 1995
5411922 Neutral gray-green low transmittance heat absorbing glass May. 2, 1995
5407872 Glass fiber forming composition, glass fibers obtained from the composition and substrate for circuit board including the glass fibers as reinforcing material Apr. 18, 1995
5405811 Ultraviolet absorbing, fixed tint green sunglass Apr. 11, 1995
5403664 Marble-like glass ceramic Apr. 4, 1995
5401693 Glass fiber composition with improved biosolubility Mar. 28, 1995
5397750 Fabricating an aluminum article Mar. 14, 1995
5391523 Electric lamp with lead free glass Feb. 21, 1995
5380685 Bronze-colored infrared and ultraviolet radiation absorbing glass Jan. 10, 1995
5374595 High liquidus viscosity glasses for flat panel displays Dec. 20, 1994
5372977 Glass composition for the manufacture of glazings Dec. 13, 1994
5369062 Process for producing ceramic glass composition Nov. 29, 1994
5366939 Gradient index optical element Nov. 22, 1994
5364820 Neutral gray-colored infrared and ultraviolet radiation absorbing glass Nov. 15, 1994
5362689 Infrared and ultraviolet ray absorbing glass Nov. 8, 1994
5356841 Glass-ceramic composite Oct. 18, 1994
5350972 UV absorbing lamp glass Sep. 27, 1994
5348915 High-gloss ceramic frits Sep. 20, 1994
5348916 Alkali free glass Sep. 20, 1994
5346768 Soda-lime glass containing vanadium Sep. 13, 1994
5346866 Dental ceramic material with a relatively low processing temperature Sep. 13, 1994
5346867 Neutral gray absorbing glass comprising manganese oxide for selenium retention during processing Sep. 13, 1994
5346864 Process of production of a glass intended to be transformed into continuous or stable fibers Sep. 13, 1994
5344798 Blue-colored infrared and ultraviolet radiation absorbing glass and method of producing same Sep. 6, 1994

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