1877884

Information

• Patent Grant
• 1877884

• References
• Source

• Patent Number

  1,877,884

• Date Filed

  Not available

• Date Issued

  Tuesday, September 20, 1932
  92 years ago

• CPC

  • C09B5/04 - Pyrazolanthrones
  • C22C1/10 - Alloys containing non-metals

• US Classifications

  • 548 - Organic compounds