3918975

Information

• Patent Grant
• 3918975

• References
• Source

• Patent Number

  3,918,975

• Date Filed

  Not available

• Date Issued

  Tuesday, November 11, 1975
  49 years ago

• CPC

  • C07D257/04 - Five-membered rings
  • G03C7/3335 - containing an azo chromophore
  • G03C7/344 - Naphtholic couplers

• US Classifications

  • 430 - Radiation imagery chemistry: process, composition, or product thereof