Resources Contact Us Home
Browse by Category: Main > Chemistry
Class Information
Number: 423/449
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

  Recently Added Patents
Random sampling for geophysical acquisitions
Encoder that optically detects positional information of a moving body from different optical paths lengths
Methods and compositions for wound healing
Method and composition for improving skin barrier function
Identifying media content in queries
Communicating channel state information using predictive vector quantization
  Randomly Featured Patents
Acoustic monitor
Eat and go container
Flexible tension member
Recovery composition and method
Stretch woven fabrics including polyester bicomponent filaments
Four-plane reflection type reflective optical unit and scanner optical system
Fish hook
Method for controlling the activity of an inorganic development composition
Method and apparatus for automatically characterizing a malignancy
Spring structure with self-aligned release material