2225004

Information

• Patent Grant
• 2225004

• References
• Source

• Patent Number

  2,225,004

• Date Filed

  Not available

• Date Issued

  Tuesday, December 17, 1940
  83 years ago

• CPC

  • C09B43/18 - by acylation of hydroxyl group or of mercapto group
  • D06P1/0048 - Converting dyes in situ in a non-appropriate form by hydrolysis, saponification, reduction with split-off of a substituent

• US Classifications

  • 008 - Bleaching and dyeing
  • 552 - Organic compounds