1712721

Information

• Patent Grant
• 1712721

• References
• Source

• Patent Number

  1,712,721

• Date Filed

  Not available

• Date Issued

  Tuesday, May 14, 1929
  95 years ago

• CPC

  • C09B7/06 - Indone-thionapthene indigos

• US Classifications

  • 548 - Organic compounds