3480434

Information

• Patent Grant
• 3480434

• References
• Source

• Patent Number

  3,480,434

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1969
  55 years ago

• CPC

  • G03C7/3029 - Materials characterised by a specific arrangement of layers
  • C09B23/0075 - the polymethine chain being part of an heterocyclic ring
  • C09B23/102 - two heterocyclic rings linked carbon-to-carbon
  • C09B23/105 - two >CH- groups
  • G03C1/12 - Methine and polymethine dyes
  • G03C7/39292 - Dyes
  • G03C1/76 - Photosensitive materials characterised by the base or auxiliary layers
  • G03C2200/11 - Blue-sensitive layer

• US Classifications

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