Class   501	COMPOSITIONS: CERAMIC
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CERAMIC COMPOSITIONS

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. (1 indent ) Devitrified glass-ceramics

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.. (2 indent ) Halogen containing crystalline phase (e.g., fluormica, etc.)

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.. (2 indent ) Silica containing crystalline phase (e.g., stuffed quartz, crystobalite, etc.)

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.. (2 indent ) Binary, ternary, quaternary, etc., metal silicate crystalline phase (e.g., mullite, diopside, sphene, plagioclase, slagcerams free of alumina, etc.)

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... (3 indent ) Alkali metal aluminosilicate crystalline phase

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.... (4 indent ) Lithium aluminosilicate (e.g., spodumeme, eucryptite, petalite, etc.)

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... (3 indent ) Divalent metal oxide aluminosilicate crystalline phase (e.g., anorthite, slagcerams, etc.)

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.... (4 indent ) Magnesium aluminosilicate (e.g., cordierite, etc.)

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.. (2 indent ) Nonsilica and nonsilicate crystalline phase (e.g., spinel, barium titanate, etc.)

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. (1 indent ) Glass compositions, compositions containing glass other than those wherein glass is a bonding agent, or glass batch forming compositions

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.. (2 indent ) Made by gel route

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.. (2 indent ) Radiation color change responsive

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.. (2 indent ) Enamels, glazes, or fusion seals (e.g., raw, fritted, or calcined ingredients)

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... (3 indent ) Fusion seals (frit plus material other than glass)

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... (3 indent ) Plural diverse frits

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... (3 indent ) Frit plus material other than glass (e.g., color, opacifier, mill additions, etc.)

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.... (4 indent ) Titanium or zirconium compound as other material

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.... (4 indent ) Free metal as other material

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.... (4 indent ) With vehicle or suspending agent (i.e., slip)

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... (3 indent ) Chemically specified frit compositions

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.... (4 indent ) Lead containing

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....• (5 indent ) And titanium or zirconium

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.... (4 indent ) Phosphorous containing

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.... (4 indent ) Halogen containing

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.... (4 indent ) Zinc containing

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.. (2 indent ) Glass batch forming compositions (i.e., glass batch compositions)

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... (3 indent ) Slag containing

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... (3 indent ) Pellet or agglomerate containing

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... (3 indent ) Halogen containing

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... (3 indent ) Uncombined silica containing (e.g., sand)

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.. (2 indent ) Glass and material other than glass (e.g., crystal glass, opal glass, etc.)

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.. (2 indent ) Beads

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... (3 indent ) Reflective

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.. (2 indent ) Fibers

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... (3 indent ) Mineral fibers (e.g., slag wool, rock wool, mineral wool, etc.)

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... (3 indent ) Optical fibers

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... (3 indent ) Titanium or zirconium containing

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.. (2 indent ) Pore-forming

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.. (2 indent ) Nonoxide glasses (e.g., fluoride glasses, etc.)

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.. (2 indent ) Nonsilicate oxide glasses

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... (3 indent ) Germanium containing

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... (3 indent ) Halogen containing

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.... (4 indent ) Fluorine and phosphorus containing

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... (3 indent ) Phosphorus containing

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.... (4 indent ) And titanium, zirconium, vanadium, tungsten, or molybdenum

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.... (4 indent ) And boron

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.... (4 indent ) And aluminum or beryllium

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... (3 indent ) Boron containing

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.... (4 indent ) And yttrium or rare earth (i.e., elements with atomic numbers 39, 57-71, or 89+)

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....• (5 indent ) And zirconium, titanium, tantalum, or niobium

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.... (4 indent ) And aluminum or beryllium

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.. (2 indent ) Silica containing

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... (3 indent ) More than 90 percent by weight silica

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... (3 indent ) 40 percent - 90 percent by weight silica

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.... (4 indent ) And halogen or nitrogen

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....• (5 indent ) Fluorine

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....•. (6 indent ) And boron

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....•.. (7 indent ) And aluminum

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.... (4 indent ) And lead

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....• (5 indent ) And boron

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....• (5 indent ) And aluminum

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.... (4 indent ) And phosphorus, niobium, or tantalum

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.... (4 indent ) And yttrium or rare earth (i.e., elements with atomic numbers 39 or 57-71)

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.... (4 indent ) And boron

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....• (5 indent ) And aluminum

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....•. (6 indent ) And zinc or zirconium

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.... (4 indent ) And aluminum or iron compound

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....• (5 indent ) And divalent metal oxide (e.g., oxides of zinc, cadmium, beryllium, alkaline earth metal, magnesium, etc.)

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....•. (6 indent ) Calcium oxide containing

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....•.. (7 indent ) And chromium, nickel, or cobalt

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.... (4 indent ) And divalent metal oxide (e.g., oxides of zinc, cadmium, beryllium, alkaline earth metal, magnesium, etc.)

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... (3 indent ) Less than 40 percent by weight silica

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.... (4 indent ) And lead

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....• (5 indent ) And boron

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....•. (6 indent ) And zinc

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.... (4 indent ) And boron

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....• (5 indent ) And rare earth (i.e., elements with atomic number 39 or 57-71)

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....• (5 indent ) And zinc

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. (1 indent ) Pore-forming

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.. (2 indent ) By use of organic combustible material

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... (3 indent ) Of resin or vegetable origin material

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.... (4 indent ) Of cellulosic material

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.. (2 indent ) By gas blowing, foaming agent, or in situ reactive gas generation

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.. (2 indent ) By volatilizing or heat expansion of water or other noncombustible material

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. (1 indent ) Synthetic precious stones (e.g., single crystals, etc.)

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. (1 indent ) Carbide or oxycarbide containing

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.. (2 indent ) Silicon carbide

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... (3 indent ) And aluminum compound

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... (3 indent ) And carbonaceous material

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... (3 indent ) And different carbide

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... (3 indent ) And boride, silicide, nitride, or oxynitride

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.. (2 indent ) Plural carbides (i.e., carbides of plural metals) containing

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. (1 indent ) Refractory

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.. (2 indent ) Fiber or fiber containing

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... (3 indent ) Composites (continuous matrix with dispersed fiber phase)

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.... (4 indent ) Whisker containing

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.. (2 indent ) Boride, silicide, nitride, oxynitride, carbonitride, or oxycarbonitride containing

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... (3 indent ) From organometallic precursor

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... (3 indent ) Boride or silicide containing

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... (3 indent ) Boron nitride containing

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... (3 indent ) Silicon oxynitride, silicon carbonitride, or silicon oxycarbonitride containing (i.e., SiAOBNC, SiACBNC, or SiAOBCcND)

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... (3 indent ) Silicon nitride containing (Si3N4)

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.... (4 indent ) With trivalent metal compound (e.g., yttrium, rare earth, or aluminum compound, etc.)

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....• (5 indent ) With alkaline earth metal compound

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.... (4 indent ) Composites (continuous matrix with dispersed phase)

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... (3 indent ) Silicon aluminum oxynitride containing (i.e., SiAION compounds)

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.... (4 indent ) With rare earth or alkaline earth metal compound

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.... (4 indent ) Composites (continuous matrix with dispersed phase)

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... (3 indent ) Aluminum nitride containing (AIN)

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.... (4 indent ) With alkaline earth metal compound

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.... (4 indent ) Composites (continuous matrix with dispersed phase)

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.. (2 indent ) Elemental carbon containing

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... (3 indent ) And aluminum compound (e.g., clay, aluminum oxide, etc.)

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... (3 indent ) And alkaline earth metal or magnesium compound (e.g., dolomite, magnesium oxide, etc.)

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.. (2 indent ) Zirconium compound containing

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... (3 indent ) Zirconium oxide

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.... (4 indent ) And alkaline earth metal or magnesium compound

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.... (4 indent ) And aluminum compound (e.g., clay, aluminum oxide, etc.)

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... (3 indent ) Zirconium silicate

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.... (4 indent ) And aluminum compound (e.g., clay, aluminum oxide, etc.)

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.. (2 indent ) Magnesium compound containing

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... (3 indent ) With organic material in starting mixture

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.... (4 indent ) And iron or chromium compound

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... (3 indent ) And phosphorus compound

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... (3 indent ) And iron compound

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.... (4 indent ) Dolomite containing

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.... (4 indent ) And chromium compound

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....• (5 indent ) Fused cast or fused material containing

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....• (5 indent ) Chemical binder containing

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... (3 indent ) And chromium compound

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... (3 indent ) And aluminum compound

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.... (4 indent ) Aluminum compound other than clay

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....• (5 indent ) Spinel or other aluminate

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... (3 indent ) Less than 90 percent by weight magnesium compound

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... (3 indent ) And silicon compound

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.. (2 indent ) Alkaline earth metal compound containing

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... (3 indent ) Hydraulic cement containing

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... (3 indent ) And aluminum compound

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.. (2 indent ) Trivalent metal compound (e.g., iron oxide, chromium oxide, trivalent rare earth oxide, etc.) containing

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... (3 indent ) Aluminum compound (e.g., clay, aluminium oxide, etc.)

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.... (4 indent ) And silicon compound other than clay

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....• (5 indent ) And silica-clay mixtures

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....• (5 indent ) And clay containing

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....•. (6 indent ) Less than 40 percent by weight clay

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... (3 indent ) Chromium compound containing

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.. (2 indent ) Silica containing

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. (1 indent ) Titanate, zirconate, stannate, niobate, or tantalate or oxide of titanium, zirconium, tin, niobium, or tantalum containing (e.g., dielectrics, etc.)

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.. (2 indent ) Alkaline earth or magnesium containing

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... (3 indent ) Titanate containing

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.... (4 indent ) Barium titanate

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....• (5 indent ) And divalent metal oxide other than alkaline earth oxide or magnesium oxide

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....• (5 indent ) And trivalent metal oxide

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. (1 indent ) Elemental sulfur containing

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. (1 indent ) Clay containing (e.g., porcelain, earthenware, etc.)

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.. (2 indent ) And phosphorus (e.g., bone china, etc.)

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.. (2 indent ) And flint or feldspar

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... (3 indent ) Kaolin (e.g., ball clay, fire clay, etc.) containing

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.. (2 indent ) Clay pretreatment

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... (3 indent ) Chemical pretreatment

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.... (4 indent ) Using alkaline compound treating agent

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.... (4 indent ) Using organic substance as treating agent

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... (3 indent ) Water pretreatment

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... (3 indent ) Heat pretreatment

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. (1 indent ) Fluorine containing

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. (1 indent ) Yttrium, lanthanide, actinide, or transactinide containing (i.e., atomic numbers 39 or 57-71 or 89+)

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. (1 indent ) Aluminum compound containing

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. (1 indent ) Silicon compound containing

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. (1 indent ) Composed of waste material

	CROSS-REFERENCE ART COLLECTIONS

900

OPTICAL GLASS (E.G., SILENT ON REFRACTIVE INDEX AND/OR ABBE NUMBER)

901

. (1 indent ) Having R.I. at least 1.8

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. (1 indent ) Having Abbe number at least 70

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. (1 indent ) Having refractive index less than 1.8 and Abbe number less than 70

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. (1 indent ) Infrared transmitting or absorbing

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. (1 indent ) Ultraviolet transmitting or absorbing

906

. (1 indent ) Thorium oxide containing

	FOREIGN ART COLLECTIONS

FOR000

CLASS-RELATED FOREIGN DOCUMENTS

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