3674441

Information

• Patent Grant
• 3674441

• References
• Source

• Patent Number

  3,674,441

• Date Filed

  Not available

• Date Issued

  Tuesday, July 4, 1972
  52 years ago

• CPC

  • F01N3/0878 - Bypassing absorbents or adsorbents
  • F01N3/0835 - Hydrocarbons
  • F01N3/0842 - Nitrogen oxides
  • F01N3/0857 - Carbon oxides
  • F01N3/20 - specially adapted for catalytic conversion; Methods of operation or regulation of catalytic converters
  • F01N2240/26 - an exhaust gas reservoir
  • F01N2250/12 - absorption or adsorption, and catalytic conversion
  • F01N2410/12 - in case of absorption, adsorption or desorption of exhaust gas constituents
  • F01N2570/12 - Hydrocarbons
  • F01N2570/14 - Nitrogen oxides

• US Classifications

  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
  • 060 - Power plants
  • 423 - Chemistry of inorganic compounds