3532520

Information

• Patent Grant
• 3532520

• References
• Source

• Patent Number

  3,532,520

• Date Filed

  Not available

• Date Issued

  Tuesday, October 6, 1970
  55 years ago

• CPC

  • C09B35/02 - Disazo dyes
  • C09B35/033 - in which the coupling component is an arylamide of an o-hydroxy-carboxylic acid or of a beta-keto-carboxylic acid
  • C09B39/00 - Other azo dyes prepared by diazotising and coupling
  • C09B43/32 - by reacting carboxylic or sulfonic groups, or derivatives thereof, with amines by reacting keto-groups with amines

• US Classifications

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