1979600

Information

• Patent Grant
• 1979600

• References
• Source

• Patent Number

  1,979,600

• Date Filed

  Not available

• Date Issued

  Tuesday, November 6, 1934
  90 years ago

• CPC

  • C09B29/22 - of heterocyclic compounds

• US Classifications

  • 534 - Organic compounds
  • 008 - Bleaching and dyeing