2162176

Information

• Patent Grant
• 2162176

• References
• Source

• Patent Number

  2,162,176

• Date Filed

  Not available

• Date Issued

  Tuesday, June 13, 1939
  85 years ago

• CPC

  • D01F2/04 - from cuprammonium solutions
  • C01G3/14 - Complexes with ammonia
  • D01F13/02 - of cellulose, cellulose derivatives or proteins
  • Y02P70/627 - of cellulose, cellulose derivatives or proteins

• US Classifications

  • 423 - Chemistry of inorganic compounds