1947648

Information

• Patent Grant
• 1947648

• References
• Source

• Patent Number

  1,947,648

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1934
  90 years ago

• CPC

  • C07C37/007 - from the tar industry
  • C07C1/20 - starting from organic compounds containing only oxygen atoms as heteroatoms

• US Classifications

  • 568 - Organic compounds
  • 585 - Chemistry of hydrocarbon compounds