2117859

Information

• Patent Grant
• 2117859

• References
• Source

• Patent Number

  2,117,859

• Date Filed

  Not available

• Date Issued

  Tuesday, May 17, 1938
  86 years ago

• CPC

  • C09B29/16 - Naphthol-sulfonic acids

• US Classifications

  • 534 - Organic compounds
  • 106 - Compositions: coating or plastic