3764321

Information

• Patent Grant
• 3764321

• References
• Source

• Patent Number

  3,764,321

• Date Filed

  Not available

• Date Issued

  Tuesday, October 9, 1973
  51 years ago

• CPC

  • C07D231/56 - Benzopyrazoles Hydrogenated benzopyrazoles
  • C07D231/08 - with oxygen or sulfur atoms directly attached to ring carbon atoms
  • C07D231/20 - One oxygen atom attached in positions 3 or 5
  • C07D231/22 - with aryl radicals attached to ring nitrogen atoms
  • C07D231/26 - 1-Phenyl-3-methyl-5- pyrazolones, unsubstituted or substituted on the phenyl ring
  • C07D231/28 - Two oxygen or sulfur atoms
  • C07D231/34 - with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached in position 4
  • C07D231/50 - Acylated on said nitrogen atom
  • C07D231/52 - Oxygen atom in position 3 and nitrogen atom in position 5, or vice-versa
  • C07D239/60 - Three or more oxygen or sulfur atoms
  • C07D261/08 - with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
  • C07D263/46 - Sulfur atoms
  • C07D295/194 - Radicals derived from thio- or thiono carboxylic acids
  • C07D307/46 - Doubly bound oxygen atoms, or two oxygen atoms singly bound to the same carbon atom
  • C07D333/64 - Oxygen atoms
  • C07D333/74 - Naphthothiophenes
  • C07D495/04 - Ortho-condensed systems
  • C09B23/005 - the substituent being a COOH and/or a functional derivative thereof
  • C09B23/0058 - the substituent being CN
  • C09B23/143 - the ethylene chain carrying a COOH or a functionally modified derivative, e.g.-CN, -COR, -COOR, -CON=, C6H5-CH=C-CN
  • G03C1/73 - containing organic compounds
  • G03C5/56 - Processes using photosensitive compositions covered by the groups G03C1/64 - G03C1/72 or agents therefor

• US Classifications

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