3904903

Information

• Patent Grant
• 3904903

• References
• Source

• Patent Number

  3,904,903

• Date Filed

  Not available

• Date Issued

  Tuesday, September 9, 1975
  49 years ago

• CPC

  • C09K11/616 - with alkali or alkaline earth metals
  • H01J9/224 - by precipitation
  • H01J29/24 - Supports for luminescent material
  • H01J31/501 - with an electrostatic electron optic system

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 252 - Compositions
  • 427 - Coating processes