2839540

Information

• Patent Grant
• 2839540

• References
• Source

• Patent Number

  2,839,540

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1958
  66 years ago

• CPC

  • C09B1/521 - unsubstituted amino and hydroxy groups

• US Classifications

  • 552 - Organic compounds
  • 008 - Bleaching and dyeing