2801997

Information

• Patent Grant
• 2801997

• References
• Source

• Patent Number

  2,801,997

• Date Filed

  Not available

• Date Issued

  Tuesday, August 6, 1957
  67 years ago

• CPC

  • C09B45/42 - Copper compounds
  • C09B47/26 - Amide radicals
  • C09B56/14 - Phthalocyanine-azo dyes

• US Classifications

  • 534 - Organic compounds
  • 008 - Bleaching and dyeing