2117699

Information

• Patent Grant
• 2117699

• References
• Source

• Patent Number

  2,117,699

• Date Filed

  Not available

• Date Issued

  Tuesday, May 17, 1938
  86 years ago

• CPC

  • D06P3/3246 - using vat, sulfur or indigo dyes

• US Classifications

  • 008 - Bleaching and dyeing