1948178

Information

• Patent Grant
• 1948178

• References
• Source

• Patent Number

  1,948,178

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1934
  91 years ago

• CPC

  • C09B5/08 - Dipyrazolanthrones

• US Classifications

  • 548 - Organic compounds
  • 546 - Organic compounds