2489537

Information

• Patent Grant
• 2489537

• References
• Source

• Patent Number

  2,489,537

• Date Filed

  Not available

• Date Issued

  Tuesday, November 29, 1949
  75 years ago

• CPC

  • D06P3/002 - using basic dyes
  • D06P1/227 - Specific dyes not provided for in groups D06P1/228 - D06P1/28

• US Classifications

  • 008 - Bleaching and dyeing