2693994

Information

• Patent Grant
• 2693994

• References
• Source

• Patent Number

  2,693,994

• Date Filed

  Not available

• Date Issued

  Tuesday, November 9, 1954
  70 years ago

• CPC

  • D06P3/243 - using vat or sulfur dyes, indigo
  • D06P1/22 - using vat dyestuffs including indigo
  • D06P1/65143 - Compounds containing acid anhydride or acid halide groups
  • Y10S8/924 - Polyamide fiber

• US Classifications

  • 008 - Bleaching and dyeing