3761521

Information

• Patent Grant
• 3761521

• References
• Source

• Patent Number

  3,761,521

• Date Filed

  Not available

• Date Issued

  Tuesday, September 25, 1973
  51 years ago

• CPC

  • C07C45/79 - by solid-liquid treatment by chemisorption
  • B01J8/10 - moved by stirrers or by rotary drums or rotary receptacles or endless belts
  • B01J8/20 - with liquid as a fluidising medium
  • B01J8/222 - in the presence of a rotating device only
  • B01J19/1868 - resulting in a loop-type movement
  • B01J47/10 - with moving ion-exchange material with ion-exchange material in suspension or in fluidised-bed form
  • C07C45/72 - by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups
  • C07C67/08 - by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
  • C07C209/36 - by reduction of nitro groups bound to carbon atoms of six-membered aromatic rings in presence of hydrogen-containing gases and a catalyst
  • C07C209/48 - by reduction of nitriles
  • C07C209/52 - by reduction of imines or imino-ethers
  • B01J2219/1946 - conical

• US Classifications

  • 564 - Organic compounds
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
  • 560 - Organic compounds
  • 568 - Organic compounds