2155648

Information

• Patent Grant
• 2155648

• References
• Source

• Patent Number

  2,155,648

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1939
  85 years ago

• CPC

  • D06M15/15 - Proteins or derivatives thereof
  • D06M11/67 - with cyanogen or compounds thereof

• US Classifications

  • 057 - Textiles: spinning, twisting, and twining
  • 008 - Bleaching and dyeing
  • 252 - Compositions