3822215

Information

• Patent Grant
• 3822215

• References
• Source

• Patent Number

  3,822,215

• Date Filed

  Not available

• Date Issued

  Tuesday, July 2, 1974
  50 years ago

• CPC

  • F21K2/005 - excited by infra-red radiation using up-conversion
  • C09K11/777 - Oxyhalogenides
  • C09K11/7773 - with alkali or alkaline earth metal
  • G02F2/02 - Frequency-changing of light
  • H01L33/502 - Wavelength conversion materials

• US Classifications

  • 252 - Compositions