2774647

Information

• Patent Grant
• 2774647

• References
• Source

• Patent Number

  2,774,647

• Date Filed

  Not available

• Date Issued

  Tuesday, December 18, 1956
  68 years ago

• CPC

  • D06P1/225 - using acid vat method
  • D06P3/523 - using vat or sulfur dyes

• US Classifications

  • 008 - Bleaching and dyeing