1956030

Information

• Patent Grant
• 1956030

• References
• Source

• Patent Number

  1,956,030

• Date Filed

  Not available

• Date Issued

  Tuesday, April 24, 1934
  90 years ago

• CPC

  • C09B59/00 - Artificial dyes of unknown constitution

• US Classifications

  • 552 - Organic compounds
  • 534 - Organic compounds