2200040

Information

• Patent Grant
• 2200040

• References
• Source

• Patent Number

  2,200,040

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1940
  84 years ago

• CPC

  • C09B31/00 - Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling
  • C09B31/061 - containing acid groups

• US Classifications

  • 534 - Organic compounds