3257176

Information

• Patent Grant
• 3257176

• References
• Source

• Patent Number

  3,257,176

• Date Filed

  Not available

• Date Issued

  Tuesday, June 21, 1966
  58 years ago

• CPC

  • C01D5/18 - Dehydration
  • C01B17/901 - Recovery from spent acids containing metallic ions
  • C01D5/16 - Purification
  • D01F13/02 - of cellulose, cellulose derivatives or proteins
  • Y02P70/627 - of cellulose, cellulose derivatives or proteins

• US Classifications

  • 423 - Chemistry of inorganic compounds
  • 023 - Chemistry: physical processes
  • 159 - Concentrating evaporators
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing