2809963

Information

• Patent Grant
• 2809963

• References
• Source

• Patent Number

  2,809,963

• Date Filed

  Not available

• Date Issued

  Tuesday, October 15, 1957
  67 years ago

• CPC

  • C09B35/366 - D is diphenyl

• US Classifications

  • 534 - Organic compounds
  • 008 - Bleaching and dyeing