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Class   501COMPOSITIONS: CERAMIC
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[List of Pre Grant Publications for class 501 subclass 1][List of Patents for class 501 subclass 1]1 CERAMIC COMPOSITIONS
[List of Pre Grant Publications for class 501 subclass 2][List of Patents for class 501 subclass 2]2 Subclass 2 indent level is 1 Devitrified glass-ceramics
 [List of Pre Grant Publications for class 501 subclass 3][List of Patents for class 501 subclass 3]3 Subclass 3 indent level is 2 Halogen containing crystalline phase (e.g., fluormica, etc.)
 [List of Pre Grant Publications for class 501 subclass 4][List of Patents for class 501 subclass 4]4 Subclass 4 indent level is 2 Silica containing crystalline phase (e.g., stuffed quartz, crystobalite, etc.)
[List of Pre Grant Publications for class 501 subclass 5][List of Patents for class 501 subclass 5]5 Subclass 5 indent level is 2 Binary, ternary, quaternary, etc., metal silicate crystalline phase (e.g., mullite, diopside, sphene, plagioclase, slagcerams free of alumina, etc.)
 [List of Pre Grant Publications for class 501 subclass 10][List of Patents for class 501 subclass 10]10 Subclass 10 indent level is 2 Nonsilica and nonsilicate crystalline phase (e.g., spinel, barium titanate, etc.)
[List of Pre Grant Publications for class 501 subclass 11][List of Patents for class 501 subclass 11]11 Subclass 11 indent level is 1 Glass compositions, compositions containing glass other than those wherein glass is a bonding agent, or glass batch forming compositions
 [List of Pre Grant Publications for class 501 subclass 12][List of Patents for class 501 subclass 12]12 Subclass 12 indent level is 2 Made by gel route
 [List of Pre Grant Publications for class 501 subclass 13][List of Patents for class 501 subclass 13]13 Subclass 13 indent level is 2 Radiation color change responsive
[List of Pre Grant Publications for class 501 subclass 14][List of Patents for class 501 subclass 14]14 Subclass 14 indent level is 2 Enamels, glazes, or fusion seals (e.g., raw, fritted, or calcined ingredients)
[List of Pre Grant Publications for class 501 subclass 27][List of Patents for class 501 subclass 27]27 Subclass 27 indent level is 2 Glass batch forming compositions (i.e., glass batch compositions)
 [List of Pre Grant Publications for class 501 subclass 32][List of Patents for class 501 subclass 32]32 Subclass 32 indent level is 2 Glass and material other than glass (e.g., crystal glass, opal glass, etc.)
[List of Pre Grant Publications for class 501 subclass 33][List of Patents for class 501 subclass 33]33 Subclass 33 indent level is 2 Beads
[List of Pre Grant Publications for class 501 subclass 35][List of Patents for class 501 subclass 35]35 Subclass 35 indent level is 2 Fibers
 [List of Pre Grant Publications for class 501 subclass 39][List of Patents for class 501 subclass 39]39 Subclass 39 indent level is 2 Pore-forming
 [List of Pre Grant Publications for class 501 subclass 40][List of Patents for class 501 subclass 40]40 Subclass 40 indent level is 2 Nonoxide glasses (e.g., fluoride glasses, etc.)
[List of Pre Grant Publications for class 501 subclass 41][List of Patents for class 501 subclass 41]41 Subclass 41 indent level is 2 Nonsilicate oxide glasses
[List of Pre Grant Publications for class 501 subclass 53][List of Patents for class 501 subclass 53]53 Subclass 53 indent level is 2 Silica containing
[List of Pre Grant Publications for class 501 subclass 80][List of Patents for class 501 subclass 80]80 Subclass 80 indent level is 1 Pore-forming
[List of Pre Grant Publications for class 501 subclass 81][List of Patents for class 501 subclass 81]81 Subclass 81 indent level is 2 By use of organic combustible material
 [List of Pre Grant Publications for class 501 subclass 84][List of Patents for class 501 subclass 84]84 Subclass 84 indent level is 2 By gas blowing, foaming agent, or in situ reactive gas generation
 [List of Pre Grant Publications for class 501 subclass 85][List of Patents for class 501 subclass 85]85 Subclass 85 indent level is 2 By volatilizing or heat expansion of water or other noncombustible material
 [List of Pre Grant Publications for class 501 subclass 86][List of Patents for class 501 subclass 86]86 Subclass 86 indent level is 1 Synthetic precious stones (e.g., single crystals, etc.)
[List of Pre Grant Publications for class 501 subclass 87][List of Patents for class 501 subclass 87]87 Subclass 87 indent level is 1 Carbide or oxycarbide containing
[List of Pre Grant Publications for class 501 subclass 88][List of Patents for class 501 subclass 88]88 Subclass 88 indent level is 2 Silicon carbide
 [List of Pre Grant Publications for class 501 subclass 93][List of Patents for class 501 subclass 93]93 Subclass 93 indent level is 2 Plural carbides (i.e., carbides of plural metals) containing
[List of Pre Grant Publications for class 501 subclass 94][List of Patents for class 501 subclass 94]94 Subclass 94 indent level is 1 Refractory
[List of Pre Grant Publications for class 501 subclass 95.1][List of Patents for class 501 subclass 95.1]95.1 Subclass 95.1 indent level is 2 Fiber or fiber containing
[List of Pre Grant Publications for class 501 subclass 96.1][List of Patents for class 501 subclass 96.1]96.1 Subclass 96.1 indent level is 2 Boride, silicide, nitride, oxynitride, carbonitride, or oxycarbonitride containing
[List of Pre Grant Publications for class 501 subclass 99][List of Patents for class 501 subclass 99]99 Subclass 99 indent level is 2 Elemental carbon containing
[List of Pre Grant Publications for class 501 subclass 102][List of Patents for class 501 subclass 102]102 Subclass 102 indent level is 2 Zirconium compound containing
[List of Pre Grant Publications for class 501 subclass 108][List of Patents for class 501 subclass 108]108 Subclass 108 indent level is 2 Magnesium compound containing
[List of Pre Grant Publications for class 501 subclass 123][List of Patents for class 501 subclass 123]123 Subclass 123 indent level is 2 Alkaline earth metal compound containing
[List of Pre Grant Publications for class 501 subclass 126][List of Patents for class 501 subclass 126]126 Subclass 126 indent level is 2 Trivalent metal compound (e.g., iron oxide, chromium oxide, trivalent rare earth oxide, etc.) containing
 [List of Pre Grant Publications for class 501 subclass 133][List of Patents for class 501 subclass 133]133 Subclass 133 indent level is 2 Silica containing
[List of Pre Grant Publications for class 501 subclass 134][List of Patents for class 501 subclass 134]134 Subclass 134 indent level is 1 Titanate, zirconate, stannate, niobate, or tantalate or oxide of titanium, zirconium, tin, niobium, or tantalum containing (e.g., dielectrics, etc.)
[List of Pre Grant Publications for class 501 subclass 135][List of Patents for class 501 subclass 135]135 Subclass 135 indent level is 2 Alkaline earth or magnesium containing
 [List of Pre Grant Publications for class 501 subclass 140][List of Patents for class 501 subclass 140]140 Subclass 140 indent level is 1 Elemental sulfur containing
[List of Pre Grant Publications for class 501 subclass 141][List of Patents for class 501 subclass 141]141 Subclass 141 indent level is 1 Clay containing (e.g., porcelain, earthenware, etc.)
 [List of Pre Grant Publications for class 501 subclass 142][List of Patents for class 501 subclass 142]142 Subclass 142 indent level is 2 And phosphorus (e.g., bone china, etc.)
[List of Pre Grant Publications for class 501 subclass 143][List of Patents for class 501 subclass 143]143 Subclass 143 indent level is 2 And flint or feldspar
[List of Pre Grant Publications for class 501 subclass 145][List of Patents for class 501 subclass 145]145 Subclass 145 indent level is 2 Clay pretreatment
 [List of Pre Grant Publications for class 501 subclass 151][List of Patents for class 501 subclass 151]151 Subclass 151 indent level is 1 Fluorine containing
 [List of Pre Grant Publications for class 501 subclass 152][List of Patents for class 501 subclass 152]152 Subclass 152 indent level is 1 Yttrium, lanthanide, actinide, or transactinide containing (i.e., atomic numbers 39 or 57-71 or 89+)
 [List of Pre Grant Publications for class 501 subclass 153][List of Patents for class 501 subclass 153]153 Subclass 153 indent level is 1 Aluminum compound containing
 [List of Pre Grant Publications for class 501 subclass 154][List of Patents for class 501 subclass 154]154 Subclass 154 indent level is 1 Silicon compound containing
 [List of Pre Grant Publications for class 501 subclass 155][List of Patents for class 501 subclass 155]155 Subclass 155 indent level is 1 Composed of waste material
 
CROSS-REFERENCE ART COLLECTIONS
 
[List of Pre Grant Publications for class 501 subclass 900][List of Patents for class 501 subclass 900]900 OPTICAL GLASS (E.G., SILENT ON REFRACTIVE INDEX AND/OR ABBE NUMBER)
 [List of Pre Grant Publications for class 501 subclass 901][List of Patents for class 501 subclass 901]901 Subclass 901 indent level is 1 Having R.I. at least 1.8
 [List of Pre Grant Publications for class 501 subclass 902][List of Patents for class 501 subclass 902]902 Subclass 902 indent level is 1 Having Abbe number at least 70
 [List of Pre Grant Publications for class 501 subclass 903][List of Patents for class 501 subclass 903]903 Subclass 903 indent level is 1 Having refractive index less than 1.8 and Abbe number less than 70
 [List of Pre Grant Publications for class 501 subclass 904][List of Patents for class 501 subclass 904]904 Subclass 904 indent level is 1 Infrared transmitting or absorbing
 [List of Pre Grant Publications for class 501 subclass 905][List of Patents for class 501 subclass 905]905 Subclass 905 indent level is 1 Ultraviolet transmitting or absorbing
 [List of Pre Grant Publications for class 501 subclass 906][List of Patents for class 501 subclass 906]906 Subclass 906 indent level is 1 Thorium oxide containing
 
FOREIGN ART COLLECTIONS
 
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