2297701

Information

• Patent Grant
• 2297701

• References
• Source

• Patent Number

  2,297,701

• Date Filed

  Not available

• Date Issued

  Tuesday, October 6, 1942
  82 years ago

• CPC

  • D06P3/141 - using vat or sulfur dyes

• US Classifications

  • 008 - Bleaching and dyeing