1655697

Information

• Patent Grant
• 1655697

• References
• Source

• Patent Number

  1,655,697

• Date Filed

  Not available

• Date Issued

  Tuesday, January 10, 1928
  97 years ago

• CPC

  • C09B7/06 - Indone-thionapthene indigos

• US Classifications

  • 548 - Organic compounds