3489502

Information

• Patent Grant
• 3489502

• References
• Source

• Patent Number

  3,489,502

• Date Filed

  Not available

• Date Issued

  Tuesday, January 13, 1970
  55 years ago

• CPC

  • C09B62/004 - Anthracene dyes

• US Classifications

  • 008 - Bleaching and dyeing