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[Search a list of Patent Appplications for class 501]  Class   501COMPOSITIONS: CERAMIC
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[List of Patents for class 501 subclass 1]  1           CERAMIC COMPOSITIONS
[List of Patents for class 501 subclass 2]  2           Subclass 2 indent level is 1 Devitrified glass-ceramics
[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 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 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 Patents for class 501 subclass 6]  6           Subclass 6 indent level is 3 Alkali metal aluminosilicate crystalline phase
[List of Patents for class 501 subclass 7]  7           Subclass 7 indent level is 4 Lithium aluminosilicate (e.g., spodumeme, eucryptite, petalite, etc.)
[List of Patents for class 501 subclass 8]  8           Subclass 8 indent level is 3 Divalent metal oxide aluminosilicate crystalline phase (e.g., anorthite, slagcerams, etc.)
[List of Patents for class 501 subclass 9]  9           Subclass 9 indent level is 4 Magnesium aluminosilicate (e.g., cordierite, etc.)
[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 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 Patents for class 501 subclass 12]  12           Subclass 12 indent level is 2 Made by gel route
[List of Patents for class 501 subclass 13]  13           Subclass 13 indent level is 2 Radiation color change responsive
[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 Patents for class 501 subclass 15]  15           Subclass 15 indent level is 3 Fusion seals (frit plus material other than glass)
[List of Patents for class 501 subclass 16]  16           Subclass 16 indent level is 3 Plural diverse frits
[List of Patents for class 501 subclass 17]  17           Subclass 17 indent level is 3 Frit plus material other than glass (e.g., color, opacifier, mill additions, etc.)
[List of Patents for class 501 subclass 18]  18           Subclass 18 indent level is 4 Titanium or zirconium compound as other material
[List of Patents for class 501 subclass 19]  19           Subclass 19 indent level is 4 Free metal as other material
[List of Patents for class 501 subclass 20]  20           Subclass 20 indent level is 4 With vehicle or suspending agent (i.e., slip)
[List of Patents for class 501 subclass 21]  21           Subclass 21 indent level is 3 Chemically specified frit compositions
[List of Patents for class 501 subclass 22]  22           Subclass 22 indent level is 4 Lead containing
[List of Patents for class 501 subclass 23]  23           Subclass 23 indent level is 5 And titanium or zirconium
[List of Patents for class 501 subclass 24]  24           Subclass 24 indent level is 4 Phosphorous containing
[List of Patents for class 501 subclass 25]  25           Subclass 25 indent level is 4 Halogen containing
[List of Patents for class 501 subclass 26]  26           Subclass 26 indent level is 4 Zinc containing
[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 Patents for class 501 subclass 28]  28           Subclass 28 indent level is 3 Slag containing
[List of Patents for class 501 subclass 29]  29           Subclass 29 indent level is 3 Pellet or agglomerate containing
[List of Patents for class 501 subclass 30]  30           Subclass 30 indent level is 3 Halogen containing
[List of Patents for class 501 subclass 31]  31           Subclass 31 indent level is 3 Uncombined silica containing (e.g., sand)
[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 Patents for class 501 subclass 33]  33           Subclass 33 indent level is 2 Beads
[List of Patents for class 501 subclass 34]  34           Subclass 34 indent level is 3 Reflective
[List of Patents for class 501 subclass 35]  35           Subclass 35 indent level is 2 Fibers
[List of Patents for class 501 subclass 36]  36           Subclass 36 indent level is 3 Mineral fibers (e.g., slag wool, rock wool, mineral wool, etc.)
[List of Patents for class 501 subclass 37]  37           Subclass 37 indent level is 3 Optical fibers
[List of Patents for class 501 subclass 38]  38           Subclass 38 indent level is 3 Titanium or zirconium containing
[List of Patents for class 501 subclass 39]  39           Subclass 39 indent level is 2 Pore-forming
[List of Patents for class 501 subclass 40]  40           Subclass 40 indent level is 2 Nonoxide glasses (e.g., fluoride glasses, etc.)
[List of Patents for class 501 subclass 41]  41           Subclass 41 indent level is 2 Nonsilicate oxide glasses
[List of Patents for class 501 subclass 42]  42           Subclass 42 indent level is 3 Germanium containing
[List of Patents for class 501 subclass 43]  43           Subclass 43 indent level is 3 Halogen containing
[List of Patents for class 501 subclass 44]  44           Subclass 44 indent level is 4 Fluorine and phosphorus containing
[List of Patents for class 501 subclass 45]  45           Subclass 45 indent level is 3 Phosphorus containing
[List of Patents for class 501 subclass 46]  46           Subclass 46 indent level is 4 And titanium, zirconium, vanadium, tungsten, or molybdenum
[List of Patents for class 501 subclass 47]  47           Subclass 47 indent level is 4 And boron
[List of Patents for class 501 subclass 48]  48           Subclass 48 indent level is 4 And aluminum or beryllium
[List of Patents for class 501 subclass 49]  49           Subclass 49 indent level is 3 Boron containing
[List of Patents for class 501 subclass 50]  50           Subclass 50 indent level is 4 And yttrium or rare earth (i.e., elements with atomic numbers 39, 57-71, or 89+)
[List of Patents for class 501 subclass 51]  51           Subclass 51 indent level is 5 And zirconium, titanium, tantalum, or niobium
[List of Patents for class 501 subclass 52]  52           Subclass 52 indent level is 4 And aluminum or beryllium
[List of Patents for class 501 subclass 53]  53           Subclass 53 indent level is 2 Silica containing
[List of Patents for class 501 subclass 54]  54           Subclass 54 indent level is 3 More than 90 percent by weight silica
[List of Patents for class 501 subclass 55]  55           Subclass 55 indent level is 3 40 percent - 90 percent by weight silica
[List of Patents for class 501 subclass 56]  56           Subclass 56 indent level is 4 And halogen or nitrogen
[List of Patents for class 501 subclass 57]  57           Subclass 57 indent level is 5 Fluorine
[List of Patents for class 501 subclass 58]  58           Subclass 58 indent level is 6 And boron
[List of Patents for class 501 subclass 59]  59           Subclass 59 indent level is 7 And aluminum
[List of Patents for class 501 subclass 60]  60           Subclass 60 indent level is 4 And lead
[List of Patents for class 501 subclass 61]  61           Subclass 61 indent level is 5 And boron
[List of Patents for class 501 subclass 62]  62           Subclass 62 indent level is 5 And aluminum
[List of Patents for class 501 subclass 63]  63           Subclass 63 indent level is 4 And phosphorus, niobium, or tantalum
[List of Patents for class 501 subclass 64]  64           Subclass 64 indent level is 4 And yttrium or rare earth (i.e., elements with atomic numbers 39 or 57-71)
[List of Patents for class 501 subclass 65]  65           Subclass 65 indent level is 4 And boron
[List of Patents for class 501 subclass 66]  66           Subclass 66 indent level is 5 And aluminum
[List of Patents for class 501 subclass 67]  67           Subclass 67 indent level is 6 And zinc or zirconium
[List of Patents for class 501 subclass 68]  68           Subclass 68 indent level is 4 And aluminum or iron compound
[List of Patents for class 501 subclass 69]  69           Subclass 69 indent level is 5 And divalent metal oxide (e.g., oxides of zinc, cadmium, beryllium, alkaline earth metal, magnesium, etc.)
[List of Patents for class 501 subclass 70]  70           Subclass 70 indent level is 6 Calcium oxide containing
[List of Patents for class 501 subclass 71]  71           Subclass 71 indent level is 7 And chromium, nickel, or cobalt
[List of Patents for class 501 subclass 72]  72           Subclass 72 indent level is 4 And divalent metal oxide (e.g., oxides of zinc, cadmium, beryllium, alkaline earth metal, magnesium, etc.)
[List of Patents for class 501 subclass 73]  73           Subclass 73 indent level is 3 Less than 40 percent by weight silica
[List of Patents for class 501 subclass 74]  74           Subclass 74 indent level is 4 And lead
[List of Patents for class 501 subclass 75]  75           Subclass 75 indent level is 5 And boron
[List of Patents for class 501 subclass 76]  76           Subclass 76 indent level is 6 And zinc
[List of Patents for class 501 subclass 77]  77           Subclass 77 indent level is 4 And boron
[List of Patents for class 501 subclass 78]  78           Subclass 78 indent level is 5 And rare earth (i.e., elements with atomic number 39 or 57-71)
[List of Patents for class 501 subclass 79]  79           Subclass 79 indent level is 5 And zinc
[List of Patents for class 501 subclass 80]  80           Subclass 80 indent level is 1 Pore-forming
[List of Patents for class 501 subclass 81]  81           Subclass 81 indent level is 2 By use of organic combustible material
[List of Patents for class 501 subclass 82]  82           Subclass 82 indent level is 3 Of resin or vegetable origin material
[List of Patents for class 501 subclass 83]  83           Subclass 83 indent level is 4 Of cellulosic material
[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 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 Patents for class 501 subclass 86]  86           Subclass 86 indent level is 1 Synthetic precious stones (e.g., single crystals, etc.)
[List of Patents for class 501 subclass 87]  87           Subclass 87 indent level is 1 Carbide or oxycarbide containing
[List of Patents for class 501 subclass 88]  88           Subclass 88 indent level is 2 Silicon carbide
[List of Patents for class 501 subclass 89]  89           Subclass 89 indent level is 3 And aluminum compound
[List of Patents for class 501 subclass 90]  90           Subclass 90 indent level is 3 And carbonaceous material
[List of Patents for class 501 subclass 91]  91           Subclass 91 indent level is 3 And different carbide
[List of Patents for class 501 subclass 92]  92           Subclass 92 indent level is 3 And boride, silicide, nitride, or oxynitride
[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 Patents for class 501 subclass 94]  94           Subclass 94 indent level is 1 Refractory
[List of Patents for class 501 subclass 95.1]  95.1           Subclass 95.1 indent level is 2 Fiber or fiber containing
[List of Patents for class 501 subclass 95.2]  95.2           Subclass 95.2 indent level is 3 Composites (continuous matrix with dispersed fiber phase)
[List of Patents for class 501 subclass 95.3]  95.3           Subclass 95.3 indent level is 4 Whisker containing
[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 Patents for class 501 subclass 96.2]  96.2           Subclass 96.2 indent level is 3 From organometallic precursor
[List of Patents for class 501 subclass 96.3]  96.3           Subclass 96.3 indent level is 3 Boride or silicide containing
[List of Patents for class 501 subclass 96.4]  96.4           Subclass 96.4 indent level is 3 Boron nitride containing
[List of Patents for class 501 subclass 96.5]  96.5           Subclass 96.5 indent level is 3 Silicon oxynitride, silicon carbonitride, or silicon oxycarbonitride containing (i.e., SiAOBNC, SiACBNC, or SiAOBCcND)
[List of Patents for class 501 subclass 97.1]  97.1           Subclass 97.1 indent level is 3 Silicon nitride containing (Si3N4)
[List of Patents for class 501 subclass 97.2]  97.2           Subclass 97.2 indent level is 4 With trivalent metal compound (e.g., yttrium, rare earth, or aluminum compound, etc.)
[List of Patents for class 501 subclass 97.3]  97.3           Subclass 97.3 indent level is 5 With alkaline earth metal compound
[List of Patents for class 501 subclass 97.4]  97.4           Subclass 97.4 indent level is 4 Composites (continuous matrix with dispersed phase)
[List of Patents for class 501 subclass 98.1]  98.1           Subclass 98.1 indent level is 3 Silicon aluminum oxynitride containing (i.e., SiAION compounds)
[List of Patents for class 501 subclass 98.2]  98.2           Subclass 98.2 indent level is 4 With rare earth or alkaline earth metal compound
[List of Patents for class 501 subclass 98.3]  98.3           Subclass 98.3 indent level is 4 Composites (continuous matrix with dispersed phase)
[List of Patents for class 501 subclass 98.4]  98.4           Subclass 98.4 indent level is 3 Aluminum nitride containing (AIN)
[List of Patents for class 501 subclass 98.5]  98.5           Subclass 98.5 indent level is 4 With alkaline earth metal compound
[List of Patents for class 501 subclass 98.6]  98.6           Subclass 98.6 indent level is 4 Composites (continuous matrix with dispersed phase)
[List of Patents for class 501 subclass 99]  99           Subclass 99 indent level is 2 Elemental carbon containing
[List of Patents for class 501 subclass 100]  100           Subclass 100 indent level is 3 And aluminum compound (e.g., clay, aluminum oxide, etc.)
[List of Patents for class 501 subclass 101]  101           Subclass 101 indent level is 3 And alkaline earth metal or magnesium compound (e.g., dolomite, magnesium oxide, etc.)
[List of Patents for class 501 subclass 102]  102           Subclass 102 indent level is 2 Zirconium compound containing
[List of Patents for class 501 subclass 103]  103           Subclass 103 indent level is 3 Zirconium oxide
[List of Patents for class 501 subclass 104]  104           Subclass 104 indent level is 4 And alkaline earth metal or magnesium compound
[List of Patents for class 501 subclass 105]  105           Subclass 105 indent level is 4 And aluminum compound (e.g., clay, aluminum oxide, etc.)
[List of Patents for class 501 subclass 106]  106           Subclass 106 indent level is 3 Zirconium silicate
[List of Patents for class 501 subclass 107]  107           Subclass 107 indent level is 4 And aluminum compound (e.g., clay, aluminum oxide, etc.)
[List of Patents for class 501 subclass 108]  108           Subclass 108 indent level is 2 Magnesium compound containing
[List of Patents for class 501 subclass 109]  109           Subclass 109 indent level is 3 With organic material in starting mixture
[List of Patents for class 501 subclass 110]  110           Subclass 110 indent level is 4 And iron or chromium compound
[List of Patents for class 501 subclass 111]  111           Subclass 111 indent level is 3 And phosphorus compound
[List of Patents for class 501 subclass 112]  112           Subclass 112 indent level is 3 And iron compound
[List of Patents for class 501 subclass 113]  113           Subclass 113 indent level is 4 Dolomite containing
[List of Patents for class 501 subclass 114]  114           Subclass 114 indent level is 4 And chromium compound
[List of Patents for class 501 subclass 115]  115           Subclass 115 indent level is 5 Fused cast or fused material containing
[List of Patents for class 501 subclass 116]  116           Subclass 116 indent level is 5 Chemical binder containing
[List of Patents for class 501 subclass 117]  117           Subclass 117 indent level is 3 And chromium compound
[List of Patents for class 501 subclass 118]  118           Subclass 118 indent level is 3 And aluminum compound
[List of Patents for class 501 subclass 119]  119           Subclass 119 indent level is 4 Aluminum compound other than clay
[List of Patents for class 501 subclass 120]  120           Subclass 120 indent level is 5 Spinel or other aluminate
[List of Patents for class 501 subclass 121]  121           Subclass 121 indent level is 3 Less than 90 percent by weight magnesium compound
[List of Patents for class 501 subclass 122]  122           Subclass 122 indent level is 3 And silicon compound
[List of Patents for class 501 subclass 123]  123           Subclass 123 indent level is 2 Alkaline earth metal compound containing
[List of Patents for class 501 subclass 124]  124           Subclass 124 indent level is 3 Hydraulic cement containing
[List of Patents for class 501 subclass 125]  125           Subclass 125 indent level is 3 And aluminum compound
[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 Patents for class 501 subclass 127]  127           Subclass 127 indent level is 3 Aluminum compound (e.g., clay, aluminium oxide, etc.)
[List of Patents for class 501 subclass 128]  128           Subclass 128 indent level is 4 And silicon compound other than clay
[List of Patents for class 501 subclass 129]  129           Subclass 129 indent level is 5 And silica-clay mixtures
[List of Patents for class 501 subclass 130]  130           Subclass 130 indent level is 5 And clay containing
[List of Patents for class 501 subclass 131]  131           Subclass 131 indent level is 6 Less than 40 percent by weight clay
[List of Patents for class 501 subclass 132]  132           Subclass 132 indent level is 3 Chromium compound containing
[List of Patents for class 501 subclass 133]  133           Subclass 133 indent level is 2 Silica containing
[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 Patents for class 501 subclass 135]  135           Subclass 135 indent level is 2 Alkaline earth or magnesium containing
[List of Patents for class 501 subclass 136]  136           Subclass 136 indent level is 3 Titanate containing
[List of Patents for class 501 subclass 137]  137           Subclass 137 indent level is 4 Barium titanate
[List of Patents for class 501 subclass 138]  138           Subclass 138 indent level is 5 And divalent metal oxide other than alkaline earth oxide or magnesium oxide
[List of Patents for class 501 subclass 139]  139           Subclass 139 indent level is 5 And trivalent metal oxide
[List of Patents for class 501 subclass 140]  140           Subclass 140 indent level is 1 Elemental sulfur containing
[List of Patents for class 501 subclass 141]  141           Subclass 141 indent level is 1 Clay containing (e.g., porcelain, earthenware, etc.)
[List of Patents for class 501 subclass 142]  142           Subclass 142 indent level is 2 And phosphorus (e.g., bone china, etc.)
[List of Patents for class 501 subclass 143]  143           Subclass 143 indent level is 2 And flint or feldspar
[List of Patents for class 501 subclass 144]  144           Subclass 144 indent level is 3 Kaolin (e.g., ball clay, fire clay, etc.) containing
[List of Patents for class 501 subclass 145]  145           Subclass 145 indent level is 2 Clay pretreatment
[List of Patents for class 501 subclass 146]  146           Subclass 146 indent level is 3 Chemical pretreatment
[List of Patents for class 501 subclass 147]  147           Subclass 147 indent level is 4 Using alkaline compound treating agent
[List of Patents for class 501 subclass 148]  148           Subclass 148 indent level is 4 Using organic substance as treating agent
[List of Patents for class 501 subclass 149]  149           Subclass 149 indent level is 3 Water pretreatment
[List of Patents for class 501 subclass 150]  150           Subclass 150 indent level is 3 Heat pretreatment
[List of Patents for class 501 subclass 151]  151           Subclass 151 indent level is 1 Fluorine containing
[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 Patents for class 501 subclass 153]  153           Subclass 153 indent level is 1 Aluminum compound containing
[List of Patents for class 501 subclass 154]  154           Subclass 154 indent level is 1 Silicon compound containing
[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 Patents for class 501 subclass 900]  900           OPTICAL GLASS (E.G., SILENT ON REFRACTIVE INDEX AND/OR ABBE NUMBER)
[List of Patents for class 501 subclass 901]  901           Subclass 901 indent level is 1 Having R.I. at least 1.8
[List of Patents for class 501 subclass 902]  902           Subclass 902 indent level is 1 Having Abbe number at least 70
[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 Patents for class 501 subclass 904]  904           Subclass 904 indent level is 1 Infrared transmitting or absorbing
[List of Patents for class 501 subclass 905]  905           Subclass 905 indent level is 1 Ultraviolet transmitting or absorbing
[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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