1695631

Information

• Patent Grant
• 1695631

• References
• Source

• Patent Number

  1,695,631

• Date Filed

  Not available

• Date Issued

  Tuesday, December 18, 1928
  95 years ago

• CPC

  • C09B5/08 - Dipyrazolanthrones

• US Classifications

  • 544 - Organic compounds
  • 548 - Organic compounds