2275741

Information

• Patent Grant
• 2275741

• References
• Source

• Patent Number

  2,275,741

• Date Filed

  Not available

• Date Issued

  Tuesday, March 10, 1942
  82 years ago

• CPC

  • C09B13/02 - of the naphthalene series

• US Classifications

  • 008 - Bleaching and dyeing