2259734

Information

• Patent Grant
• 2259734

• References
• Source

• Patent Number

  2,259,734

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1941
  83 years ago

• CPC

  • C09B45/24 - Disazo or polyazo compounds
  • C09B33/18 - Trisazo or higher polyazo dyes
  • C09B35/36 - Trisazo dyes of the type
  • C09B45/38 - Preparation from compounds with -OH and -COOH adjacent in the same ring or in peri position

• US Classifications

  • 534 - Organic compounds