3542546

Information

• Patent Grant
• 3542546

• References
• Source

• Patent Number

  3,542,546

• Date Filed

  Not available

• Date Issued

  Tuesday, November 24, 1970
  54 years ago

• CPC

  • G03G5/0629 - containing one hetero atom
  • C07D209/86 - with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
  • C07D209/88 - with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
  • G03G5/0612 - containing nitrogen
  • G03G5/0616 - Hydrazines; Hydrazones
  • G03G5/0618 - containing oxygen and nitrogen
  • G03G5/0655 - containing six relevant rings
  • G03G5/0661 - in different ring systems, each system containing at least one hetero ring

• US Classifications

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