3825426

Information

• Patent Grant
• 3825426

• References
• Source

• Patent Number

  3,825,426

• Date Filed

  Not available

• Date Issued

  Tuesday, July 23, 1974
  50 years ago

• CPC

  • C07D257/04 - Five-membered rings
  • C07D249/12 - Oxygen or sulfur atoms
  • C07D277/74 - Sulfur atoms substituted by carbon atoms
  • G03C1/09 - Noble metals or mercury Salts or compounds thereof Sulfur, selenium or tellurium, or compounds thereof
  • G03C1/346 - Organic derivatives of bivalent sulfur, selenium or tellurium
  • G03C7/30511 - characterised by the releasing group
  • G03C2001/03511 - Bromide content
  • G03C2200/38 - Lippmann (fine grain) emulsion
  • G03C2200/45 - Polyhydroxybenzene

• US Classifications

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