2981623

Information

• Patent Grant
• 2981623

• References
• Source

• Patent Number

  2,981,623

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1961
  64 years ago

• CPC

  • C07D231/24 - having sulfone or sulfonic acid radicals in the molecule
  • C07D231/48 - with hydrocarbon radicals attached to said nitrogen atom
  • C07D231/50 - Acylated on said nitrogen atom
  • C07D231/56 - Benzopyrazoles Hydrogenated benzopyrazoles
  • G03C5/3035 - containing a diazole ring

• US Classifications

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