2019846

Information

• Patent Grant
• 2019846

• References
• Source

• Patent Number

  2,019,846

• Date Filed

  Not available

• Date Issued

  Tuesday, November 5, 1935
  89 years ago

• CPC

  • C09B49/124 - from polycarbocyclic compounds

• US Classifications

  • 549 - Organic compounds
  • 552 - Organic compounds