3622557

Information

• Patent Grant
• 3622557

• References
• Source

• Patent Number

  3,622,557

• Date Filed

  Not available

• Date Issued

  Tuesday, November 23, 1971
  53 years ago

• CPC

  • C09B56/14 - Phthalocyanine-azo dyes
  • C09B43/1247 - with formation of NHSO2R or NHSO3H radicals
  • C09B47/26 - Amide radicals

• US Classifications

  • 534 - Organic compounds
  • 540 - Organic compounds