2196843

Information

• Patent Grant
• 2196843

• References
• Source

• Patent Number

  2,196,843

• Date Filed

  Not available

• Date Issued

  Tuesday, April 9, 1940
  84 years ago

• CPC

  • D01D10/0409 - on bobbins
  • C01B31/26 - Compounds containing carbon and sulfur
  • D01F13/02 - of cellulose, cellulose derivatives or proteins
  • Y02P70/627 - of cellulose, cellulose derivatives or proteins

• US Classifications

  • 008 - Bleaching and dyeing
  • 423 - Chemistry of inorganic compounds