2129014

Information

• Patent Grant
• 2129014

• References
• Source

• Patent Number

  2,129,014

• Date Filed

  Not available

• Date Issued

  Tuesday, September 6, 1938
  87 years ago

• CPC

  • C09B7/12 - Other thionaphthene indigos

• US Classifications

  • 544 - Organic compounds
  • 549 - Organic compounds