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Class Information
Number: 423/437
Name: Chemistry of inorganic compounds >

Sub-classes under this class:

Class Number Class Name Patents
423/ Oxygen or compound thereof (423/579) 0
423/1 Treating mixture to obtain metal containing compound 158
423/210 Modifying or removing component of normally gaseous mixture 1,217
423/249 Radioactive (at. no. 84+ or radioactive isotope of another element) 196
423/262 Inert or noble gas or compound thereof 69
423/263 Rare earth compound (at. no. 21, 39, or 57-71) 792
423/264 Changing color characteristic of impurity 28
423/265 With additive 204
423/276 Boron or compound thereof 104
423/299 Phosphorus or compound thereof 155
423/324 Silicon or compound thereof 194
423/351 Nitrogen or compound thereof (except ammonium salt of non-nitrogen acid) 313
423/414 Carbon or compound thereof 147
423/462 Halogen or compound thereof 145
423/508 Selenium or tellurium or compound thereof 224
423/511 Sulfur or compound thereof 163
423/579 Oxygen or compound thereof 299
423/644 Hydrogen or compound thereof 388
423/658.5 Extracting, leaching, or dissolving 295
423/659 Miscellaneous process 435
423/700 Zeolite 352
423/DIG.1 Waste acid containing iron 65
423/DIG.18 Treating trash or garbage 46
423/DIG.19 Geothermal steam purification 59
423/DIG.21 Faujasite; e.g., x, y, czs-3, ecr-4, z-14hs, vhp-r 164
423/DIG.22 Mfi; e.g., zsm-5. silicalite, lz-241 213
423/DIG.23 Ferrierite; e.g., sr-d zsm-33 57
423/DIG.24 Lta; e.g., a, alpha, zk-4, zk-21, zk-22 101
423/DIG.25 Mordenite; e.g., na-d, pttilolite, zeolon 41
423/DIG.26 Mazzite; e.g., zsm-4, omega 24
423/DIG.27 Beta; e.g., nu-2 83
423/DIG.28 Ltl; e.g., ba-g, l, ag-1, ag-2, ag-4, ba-6 32
423/DIG.29 Mel; e.g., zsm-11 71
423/DIG.3 Papermaking liquor 101
423/DIG.30 Alpo and sapo 127
423/DIG.31 Rho; e.g., ecr-10, lz-214 3
423/DIG.32 Sodalite; e.g., hs, ultramarine 12
423/DIG.33 Mtw; e.g., zsm-12, nu-13, czh-5, tpz-3 66
423/DIG.34 Pentasils other than mfi and mel; e.g., az-1, tz-01, tz-02, trs, zbm-10 13
423/DIG.35 Ton; e.g., theta-1, isi-1, kz-2, zsm-22, nu-10 16
423/DIG.36 Mtt; e.g., zsm-23, isi-1, kz-1, eu-1, eu-4, eu-13 39
423/DIG.37 Lev; e.g., levynik, zmt-45, zk-20, nu-3, lz-132, lz-133 5
423/DIG.38 Offretite; e.g., tma offreite 15
423/DIG.39 Fullerene (e.g., c60, c70, etc.) derivative and related process 30
423/DIG.4 Manganese marine modules 70
423/DIG.40 Fullerene composition 34
423/DIG.5 Automatic (including computer) control 139
423/DIG.6 Temperature control 67
423/DIG.7 Isotope separation 37
423/DIG.8 Corrosion or deposition inhibiting 19
423/DIG.9 Reaction techniques 33

Patents under this class:

Patent Number Title Of Patent Date Issued

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