2228288

Information

• Patent Grant
• 2228288

• References
• Source

• Patent Number

  2,228,288

• Date Filed

  Not available

• Date Issued

  Tuesday, January 14, 1941
  84 years ago

• CPC

  • C09B31/147 - Pyrazoles

• US Classifications

  • 008 - Bleaching and dyeing
  • 534 - Organic compounds