2539737

Information

• Patent Grant
• 2539737

• References
• Source

• Patent Number

  2,539,737

• Date Filed

  Not available

• Date Issued

  Tuesday, January 30, 1951
  74 years ago

• CPC

  • C09B7/10 - Bis-thionapthene indigos

• US Classifications

  • 008 - Bleaching and dyeing
  • 549 - Organic compounds