3674490

Information

• Patent Grant
• 3674490

• References
• Source

• Patent Number

  3,674,490

• Date Filed

  Not available

• Date Issued

  Tuesday, July 4, 1972
  52 years ago

• CPC

  • G03C5/42 - Reducing Intensifying
  • G03C1/50 - Compositions containing noble metal salts other than silver salts, as photosensitive substances
  • G03C1/705 - Compositions containing chalcogenides, metals or alloys thereof, as photosensitive substances
  • G03C5/40 - Chemically transforming developed images
  • G03C5/46 - Toning

• US Classifications

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