3562249

Information

• Patent Grant
• 3562249

• References
• Source

• Patent Number

  3,562,249

• Date Filed

  Not available

• Date Issued

  Tuesday, February 9, 1971
  53 years ago

• CPC

  • C08K5/0041 - Optical brightening agents, organic pigments
  • C08K5/235 - Diazo and polyazo compounds
  • C09B33/147 - in which the coupling component is a bis -(-o-hydroxy-carboxylic- acid amide)
  • C09B43/38 - by reacting two or more ortho-hydroxy naphthoic acid dyes with polyamines

• US Classifications

  • 534 - Organic compounds
  • 106 - Compositions: coating or plastic
  • 524 - Synthetic resins or natural rubbers
  • 544 - Organic compounds
  • 560 - Organic compounds
  • 564 - Organic compounds