3437729

Information

• Patent Grant
• 3437729

• References
• Source

• Patent Number

  3,437,729

• Date Filed

  Not available

• Date Issued

  Tuesday, April 8, 1969
  55 years ago

• CPC

  • C09B43/003 - Cyclisation of azo dyes; Condensation of azo dyes with formation of ring

• US Classifications

  • 514 - Drug, bio-affecting and body treating compositions