3671514

Information

• Patent Grant
• 3671514

• References
• Source

• Patent Number

  3,671,514

• Date Filed

  Not available

• Date Issued

  Tuesday, June 20, 1972
  53 years ago

• CPC

  • C09B43/325 - by reacting sulfonic acids with amines
  • C09B43/00 - Preparation of azo dyes from other azo compounds
  • C09B43/32 - by reacting carboxylic or sulfonic groups, or derivatives thereof, with amines by reacting keto-groups with amines

• US Classifications

  • 534 - Organic compounds
  • 106 - Compositions: coating or plastic