2022748

Information

• Patent Grant
• 2022748

• References
• Source

• Patent Number

  2,022,748

• Date Filed

  Not available

• Date Issued

  Tuesday, December 3, 1935
  89 years ago

• CPC

  • D06P1/24 - Anthraquinone dyes or anthracene nucleus containing vat dyes

• US Classifications

  • 008 - Bleaching and dyeing