3875321

Information

• Patent Grant
• 3875321

• References
• Source

• Patent Number

  3,875,321

• Date Filed

  Not available

• Date Issued

  Tuesday, April 1, 1975
  49 years ago

• CPC

  • C03C17/02 - with glass
  • C03C3/32 - Non-oxide glass compositions
  • C03C4/06 - for phototropic or photochromic glass
  • C03C17/22 - with other inorganic material
  • C09K9/00 - Tenebrescent materials
  • C03C2217/284 - Halides
  • C03C2218/111 - by dipping, immersion
  • C03C2218/112 - by spraying
  • C03C2218/151 - by vacuum evaporation
  • C03C2218/32 - After-treatment
  • Y10S428/913 - Material designed to be responsive to temperature, light, moisture
  • Y10S430/163 - Radiation-chromic compound

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 252 - Compositions
  • 359 - Optical: systems and elements
  • 427 - Coating processes
  • 430 - Radiation imagery chemistry: process, composition, or product thereof
  • 501 - Compositions: ceramic