1429782

Information

• Patent Grant
• 1429782

• References
• Source

• Patent Number

  1,429,782

• Date Filed

  Not available

• Date Issued

  Tuesday, September 19, 1922
  102 years ago

• CPC

  • C09B29/16 - Naphthol-sulfonic acids

• US Classifications

  • 534 - Organic compounds