2487197

Information

• Patent Grant
• 2487197

• References
• Source

• Patent Number

  2,487,197

• Date Filed

  Not available

• Date Issued

  Tuesday, November 8, 1949
  75 years ago

• CPC

  • D06P1/224 - using vat dyes in unreduced pigment state

• US Classifications

  • 008 - Bleaching and dyeing
  • 101 - Printing