3661611

Information

• Patent Grant
• 3661611

• References
• Source

• Patent Number

  3,661,611

• Date Filed

  Not available

• Date Issued

  Tuesday, May 9, 1972
  52 years ago

• CPC

  • C09B43/32 - by reacting carboxylic or sulfonic groups, or derivatives thereof, with amines by reacting keto-groups with amines
  • C09B35/02 - Disazo dyes
  • C09B35/105 - from two coupling components with reactive methylene groups
  • C09B39/00 - Other azo dyes prepared by diazotising and coupling

• US Classifications

  • 106 - Compositions: coating or plastic