3480555

Information

• Patent Grant
• 3480555

• References
• Source

• Patent Number

  3,480,555

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1969
  55 years ago

• CPC

  • B82Y30/00 - Nano-technology for materials or surface science
  • B01J13/0017 - by extraction of ions from aqueous solutions
  • B01J41/04 - Processes using organic exchangers
  • C01G49/06 - Ferric oxide (Fe2O3)
  • G11B5/70647 - with a skin
  • G11B5/70652 - gamma - Fe2 O3
  • H01F1/445 - the magnetic component being a compound
  • C01P2004/64 - Nanometer sized

• US Classifications

  • 252 - Compositions
  • 106 - Compositions: coating or plastic
  • 423 - Chemistry of inorganic compounds
  • 516 - Colloid systems and wetting agents
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER