2621392

Information

• Patent Grant
• 2621392

• References
• Source

• Patent Number

  2,621,392

• Date Filed

  Not available

• Date Issued

  Tuesday, December 16, 1952
  72 years ago

• CPC

  • D06M11/385 - Saponification of cellulose-acetate

• US Classifications

  • 057 - Textiles: spinning, twisting, and twining
  • 008 - Bleaching and dyeing
  • 028 - Textiles: manufacturing
  • 210 - Liquid purification or separation