US Patent Class 501
COMPOSITIONS: CERAMIC
 Electronic File Wrappers |  Electronic Patent Documents |  Paper Patent Documents | Current as of: June, 1999
|  and Services |
| Electronic File Wrappers | Electronic Patent Documents | Paper Patent Documents | Current as of: June, 1999
| and Services |
| DF | CLASS NOTES | |
| 1 | DF | CERAMIC COMPOSITIONS |
| 2 | DF | .~ Devitrified glass-ceramics |
| 3 | DF | .~.~ Halogen containing crystalline phase (e.g., fluormica, etc.) |
| 4 | DF | .~.~ Silica containing crystalline phase (e.g., stuffed quartz, crystobalite, etc.) |
| 5 | DF | .~.~ Binary, ternary, quaternary, etc., metal silicate crystalline phase (e.g., mullite, diopside, sphene, plagioclase, slagcerams free of alumina, etc.) |
| 6 | DF | .~.~.~ Alkali metal aluminosilicate crystalline phase |
| 7 | DF | .~.~.~.~ Lithium aluminosilicate (e.g., spodumeme, eucryptite, petalite, etc.) |
| 8 | DF | .~.~.~ Divalent metal oxide aluminosilicate crystalline phase (e.g., anorthite, slagcerams, etc.) |
| 9 | DF | .~.~.~.~ Magnesium aluminosilicate (e.g., cordierite, etc.) |
| 10 | DF | .~.~ Nonsilica and nonsilicate crystalline phase (e.g., spinel, barium titanate, etc.) |
| 11 | DF | .~ Glass compositions, compositions containing glass other than those wherein glass is a bonding agent, or glass batch forming compositions |
| 12 | DF | .~.~ Made by gel route |
| 13 | DF | .~.~ Radiation color change responsive |
| 14 | DF | .~.~ Enamels, glazes, or fusion seals (e.g., raw, fritted, or calcined ingredients) |
| 15 | DF | .~.~.~ Fusion seals (frit plus material other than glass) |
| 16 | DF | .~.~.~ Plural diverse frits |
| 17 | DF | .~.~.~ Frit plus material other than glass (e.g., color, opacifier, mill additions, etc.) |
| 18 | DF | .~.~.~.~ Titanium or zirconium compound as other material |
| 19 | DF | .~.~.~.~ Free metal as other material |
| 20 | DF | .~.~.~.~ With vehicle or suspending agent (i.e., slip) |
| 21 | DF | .~.~.~ Chemically specified frit compositions |
| 22 | DF | .~.~.~.~ Lead containing |
| 23 | DF | .~.~.~.~.~ And titanium or zirconium |
| 24 | DF | .~.~.~.~ Phosphorous containing |
| 25 | DF | .~.~.~.~ Halogen containing |
| 26 | DF | .~.~.~.~ Zinc containing |
| 27 | DF | .~.~ Glass batch forming compositions (i.e., glass batch compositions) |
| 28 | DF | .~.~.~ Slag containing |
| 29 | DF | .~.~.~ Pellet or agglomerate containing |
| 30 | DF | .~.~.~ Halogen containing |
| 31 | DF | .~.~.~ Uncombined silica containing (e.g., sand) |
| 32 | DF | .~.~ Glass and material other than glass (e.g., crystal glass, opal glass, etc.) |
| 33 | DF | .~.~ Beads |
| 34 | DF | .~.~.~ Reflective |
| 35 | DF | .~.~ Fibers |
| 36 | DF | .~.~.~ Mineral fibers (e.g., slag wool, rock wool, mineral wool, etc.) |
| 37 | DF | .~.~.~ Optical fibers |
| 38 | DF | .~.~.~ Titanium or zirconium containing |
| 39 | DF | .~.~ Pore-forming |
| 40 | DF | .~.~ Nonoxide glasses (e.g., fluoride glasses, etc.) |
| 41 | DF | .~.~ Nonsilicate oxide glasses |
| 42 | DF | .~.~.~ Germanium containing |
| 43 | DF | .~.~.~ Halogen containing |
| 44 | DF | .~.~.~.~ Fluorine and phosphorus containing |
| 45 | DF | .~.~.~ Phosphorus containing |
| 46 | DF | .~.~.~.~ And titanium, zirconium, vanadium, tungsten, or molybdenum |
| 47 | DF | .~.~.~.~ And boron |
| 48 | DF | .~.~.~.~ And aluminum or beryllium |
| 49 | DF | .~.~.~ Boron containing |
| 50 | DF | .~.~.~.~ And yttrium or rare earth (i.e., elements with atomic numbers 39, 57-71, or 89+) |
| 51 | DF | .~.~.~.~.~ And zirconium, titanium, tantalum, or niobium |
| 52 | DF | .~.~.~.~ And aluminum or beryllium |
| 53 | DF | .~.~ Silica containing |
| 54 | DF | .~.~.~ More than 90 percent by weight silica |
| 55 | DF | .~.~.~ 40 percent - 90 percent by weight silica |
| 56 | DF | .~.~.~.~ And halogen or nitrogen |
| 57 | DF | .~.~.~.~.~ Fluorine |
| 58 | DF | .~.~.~.~.~.~ And boron |
| 59 | DF | .~.~.~.~.~.~.~ And aluminum |
| 60 | DF | .~.~.~.~ And lead |
| 61 | DF | .~.~.~.~.~ And boron |
| 62 | DF | .~.~.~.~.~ And aluminum |
| 63 | DF | .~.~.~.~ And phosphorus, niobium, or tantalum |
| 64 | DF | .~.~.~.~ And yttrium or rare earth (i.e., elements with atomic numbers 39 or 57-71) |
| 65 | DF | .~.~.~.~ And boron |
| 66 | DF | .~.~.~.~.~ And aluminum |
| 67 | DF | .~.~.~.~.~.~ And zinc or zirconium |
| 68 | DF | .~.~.~.~ And aluminum or iron compound |
| 69 | DF | .~.~.~.~.~ And divalent metal oxide (e.g., oxides of zinc, cadmium, beryllium, alkaline earth metal, magnesium, etc.) |
| 70 | DF | .~.~.~.~.~.~ Calcium oxide containing |
| 71 | DF | .~.~.~.~.~.~.~ And chromium, nickel, or cobalt |
| 72 | DF | .~.~.~.~ And divalent metal oxide (e.g., oxides of zinc, cadmium, beryllium, alkaline earth metal, magnesium, etc.) |
| 73 | DF | .~.~.~ Less than 40 percent by weight silica |
| 74 | DF | .~.~.~.~ And lead |
| 75 | DF | .~.~.~.~.~ And boron |
| 76 | DF | .~.~.~.~.~.~ And zinc |
| 77 | DF | .~.~.~.~ And boron |
| 78 | DF | .~.~.~.~.~ And rare earth (i.e., elements with atomic number 39 or 57-71) |
| 79 | DF | .~.~.~.~.~ And zinc |
| 80 | DF | .~ Pore-forming |
| 81 | DF | .~.~ By use of organic combustible material |
| 82 | DF | .~.~.~ Of resin or vegetable origin material |
| 83 | DF | .~.~.~.~ Of cellulosic material |
| 84 | DF | .~.~ By gas blowing, foaming agent, or in situ reactive gas generation |
| 85 | DF | .~.~ By volatilizing or heat expansion of water or other noncombustible material |
| 86 | DF | .~ Synthetic precious stones (e.g., single crystals, etc.) |
| 87 | DF | .~ Carbide or oxycarbide containing |
| 88 | DF | .~.~ Silicon carbide |
| 89 | DF | .~.~.~ And aluminum compound |
| 90 | DF | .~.~.~ And carbonaceous material |
| 91 | DF | .~.~.~ And different carbide |
| 92 | DF | .~.~.~ And boride, silicide, nitride, or oxynitride |
| 93 | DF | .~.~ Plural carbides (i.e., carbides of plural metals) containing |
| 94 | DF | .~ Refractory |
| 95.1 | DF | .~.~ Fiber or fiber containing |
| 95.2 | DF | .~.~.~ Composites (continuous matrix with dispersed fiber phase) |
| 95.3 | DF | .~.~.~.~ Whisker containing |
| 96.1 | DF | .~.~ Boride, silicide, nitride, oxynitride, carbonitride, or oxycarbonitride containing |
| 96.2 | DF | .~.~.~ From organometallic precursor |
| 96.3 | DF | .~.~.~ Boride or silicide containing |
| 96.4 | DF | .~.~.~ Boron nitride containing |
| 96.5 | DF | .~.~.~ Silicon oxynitride, silicon carbonitride, or silicon oxycarbonitride containing (i.e., SiAOBNC, SiACBNC, or SiAOBCcND) |
| 97.1 | DF | .~.~.~ Silicon nitride containing (Si3N4) |
| 97.2 | DF | .~.~.~.~ With trivalent metal compound (e.g., yttrium, rare earth, or aluminum compound, etc.) |
| 97.3 | DF | .~.~.~.~.~ With alkaline earth metal compound |
| 97.4 | DF | .~.~.~.~ Composites (continuous matrix with dispersed phase) |
| 98.1 | DF | .~.~.~ Silicon aluminum oxynitride containing (i.e., SiAION compounds) |
| 98.2 | DF | .~.~.~.~ With rare earth or alkaline earth metal compound |
| 98.3 | DF | .~.~.~.~ Composites (continuous matrix with dispersed phase) |
| 98.4 | DF | .~.~.~ Aluminum nitride containing (AIN) |
| 98.5 | DF | .~.~.~.~ With alkaline earth metal compound |
| 98.6 | DF | .~.~.~.~ Composites (continuous matrix with dispersed phase) |
| 99 | DF | .~.~ Elemental carbon containing |
| 100 | DF | .~.~.~ And aluminum compound (e.g., clay, aluminum oxide, etc.) |
| 101 | DF | .~.~.~ And alkaline earth metal or magnesium compound (e.g., dolomite, magnesium oxide, etc.) |
| 102 | DF | .~.~ Zirconium compound containing |
| 103 | DF | .~.~.~ Zirconium oxide |
| 104 | DF | .~.~.~.~ And alkaline earth metal or magnesium compound |
| 105 | DF | .~.~.~.~ And aluminum compound (e.g., clay, aluminum oxide, etc.) |
| 106 | DF | .~.~.~ Zirconium silicate |
| 107 | DF | .~.~.~.~ And aluminum compound (e.g., clay, aluminum oxide, etc.) |
| 108 | DF | .~.~ Magnesium compound containing |
| 109 | DF | .~.~.~ With organic material in starting mixture |
| 110 | DF | .~.~.~.~ And iron or chromium compound |
| 111 | DF | .~.~.~ And phosphorus compound |
| 112 | DF | .~.~.~ And iron compound |
| 113 | DF | .~.~.~.~ Dolomite containing |
| 114 | DF | .~.~.~.~ And chromium compound |
| 115 | DF | .~.~.~.~.~ Fused cast or fused material containing |
| 116 | DF | .~.~.~.~.~ Chemical binder containing |
| 117 | DF | .~.~.~ And chromium compound |
| 118 | DF | .~.~.~ And aluminum compound |
| 119 | DF | .~.~.~.~ Aluminum compound other than clay |
| 120 | DF | .~.~.~.~.~ Spinel or other aluminate |
| 121 | DF | .~.~.~ Less than 90 percent by weight magnesium compound |
| 122 | DF | .~.~.~ And silicon compound |
| 123 | DF | .~.~ Alkaline earth metal compound containing |
| 124 | DF | .~.~.~ Hydraulic cement containing |
| 125 | DF | .~.~.~ And aluminum compound |
| 126 | DF | .~.~ Trivalent metal compound (e.g., iron oxide, chromium oxide, trivalent rare earth oxide, etc.) containing |
| 127 | DF | .~.~.~ Aluminum compound (e.g., clay, aluminium oxide, etc.) |
| 128 | DF | .~.~.~.~ And silicon compound other than clay |
| 129 | DF | .~.~.~.~.~ And silica-clay mixtures |
| 130 | DF | .~.~.~.~.~ And clay containing |
| 131 | DF | .~.~.~.~.~.~ Less than 40 percent by weight clay |
| 132 | DF | .~.~.~ Chromium compound containing |
| 133 | DF | .~.~ Silica containing |
| 134 | DF | .~ Titanate, zirconate, stannate, niobate, or tantalate or oxide of titanium, zirconium, tin, niobium, or tantalum containing (e.g., dielectrics, etc.) |
| 135 | DF | .~.~ Alkaline earth or magnesium containing |
| 136 | DF | .~.~.~ Titanate containing |
| 137 | DF | .~.~.~.~ Barium titanate |
| 138 | DF | .~.~.~.~.~ And divalent metal oxide other than alkaline earth oxide or magnesium oxide |
| 139 | DF | .~.~.~.~.~ And trivalent metal oxide |
| 140 | DF | .~ Elemental sulfur containing |
| 141 | DF | .~ Clay containing (e.g., porcelain, earthenware, etc.) |
| 142 | DF | .~.~ And phosphorus (e.g., bone china, etc.) |
| 143 | DF | .~.~ And flint or feldspar |
| 144 | DF | .~.~.~ Kaolin (e.g., ball clay, fire clay, etc.) containing |
| 145 | DF | .~.~ Clay pretreatment |
| 146 | DF | .~.~.~ Chemical pretreatment |
| 147 | DF | .~.~.~.~ Using alkaline compound treating agent |
| 148 | DF | .~.~.~.~ Using organic substance as treating agent |
| 149 | DF | .~.~.~ Water pretreatment |
| 150 | DF | .~.~.~ Heat pretreatment |
| 151 | DF | .~ Fluorine containing |
| 152 | DF | .~ Yttrium, lanthanide, actinide, or transactinide containing (i.e., atomic numbers 39 or 57-71 or 89+) |
| 153 | DF | .~ Aluminum compound containing |
| 154 | DF | .~ Silicon compound containing |
| 155 | DF | .~ Composed of waste material |
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| CROSS-REFERENCE ART COLLECTIONS PERTAINING TO OPTICAL GLASSES IN SUBCLASSES 13, 40, 41+, AND 53+ | ||
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| 900 | DF | .~ Optical glass (e.g., silent on refractive index and/or Abbe number) |
| 901 | DF | .~.~ Having R.I. at least 1.8 |
| 902 | DF | .~.~ Having Abbe number at least 70 |
| 903 | DF | .~.~ Having refractive index less than 1.8 and Abbe number less than 70 |
| 904 | DF | .~.~ Infrared transmitting or absorbing |
| 905 | DF | .~.~ Ultraviolet transmitting or absorbing |
| 906 | DF | .~.~ Thorium oxide containing |