1915438

Information

• Patent Grant
• 1915438

• References
• Source

• Patent Number

  1,915,438

• Date Filed

  Not available

• Date Issued

  Tuesday, June 27, 1933
  90 years ago

• CPC

  • C09B29/18 - ortho-Hydroxy carbonamides

• US Classifications

  • 534 - Organic compounds
  • 008 - Bleaching and dyeing