3647720

Information

• Patent Grant
• 3647720

• References
• Source

• Patent Number

  3,647,720

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1972
  52 years ago

• CPC

  • B82Y25/00 - Nano-magnetism
  • B22F9/00 - Making metallic powder or suspensions thereof
  • C01G5/003 - Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
  • C07C45/89 - from carboxylic acids, their anhydrides, esters or halides
  • C07C51/265 - having alkyl side chains which are oxidised to carboxyl groups
  • C07D301/10 - with catalysts containing silver or gold
  • C07F1/00 - Compounds containing elements of the 1st Group of the Periodic System
  • C22B3/1658 - Leaching with acyclic or carbocyclic agents of different types in admixture
  • Y02P10/234 - by hydro metallurgy

• US Classifications

  • 502 - Catalyst, solid sorbent, or support therefor: product or process of making
  • 148 - Metal treatment
  • 420 - Alloys or metallic compositions
  • 423 - Chemistry of inorganic compounds
  • 549 - Organic compounds
  • 556 - Organic compounds