2857371

Information

• Patent Grant
• 2857371

• References
• Source

• Patent Number

  2,857,371

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1958
  66 years ago

• CPC

  • C09B29/26 - Amino phenols
  • C07D277/82 - Nitrogen atoms
  • C09B45/00 - Complex metal compounds of azo dyes

• US Classifications

  • 534 - Organic compounds
  • 008 - Bleaching and dyeing
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 548 - Organic compounds