3857901

Information

• Patent Grant
• 3857901

• References
• Source

• Patent Number

  3,857,901

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1974
  50 years ago

• CPC

  • B01J21/066 - Zirconium or hafnium; Oxides or hydroxides thereof
  • B01J23/02 - of the alkali- or alkaline earth metals or beryllium
  • B01J23/10 - of rare earths
  • B01J37/03 - Precipitation Co-precipitation
  • C07C4/18 - Catalytic processes
  • C07C5/2735 - with metal oxides
  • C07C2521/06 - Silicon, titanium, zirconium or hafnium Oxides or hydroxides thereof
  • Y02P20/52 - using catalysts

• US Classifications

  • 585 - Chemistry of hydrocarbon compounds