2774755

Information

• Patent Grant
• 2774755

• References
• Source

• Patent Number

  2,774,755

• Date Filed

  Not available

• Date Issued

  Tuesday, December 18, 1956
  68 years ago

• CPC

  • C09B43/38 - by reacting two or more ortho-hydroxy naphthoic acid dyes with polyamines
  • C09B43/12 - by acylation of amino groups
  • 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