1744140

Information

• Patent Grant
• 1744140

• References
• Source

• Patent Number

  1,744,140

• Date Filed

  Not available

• Date Issued

  Tuesday, January 21, 1930
  94 years ago

• CPC

  • D06P1/50 - Derivatives of cellulose
  • Y10S8/915 - Amino sulfonic acids

• US Classifications

  • 008 - Bleaching and dyeing