3664862

Information

• Patent Grant
• 3664862

• References
• Source

• Patent Number

  3,664,862

• Date Filed

  Not available

• Date Issued

  Tuesday, May 23, 1972
  54 years ago

• CPC

  • C09K11/0811 - with Zn or Cd
  • H01J29/26 - with superimposed luminescent layers

• US Classifications

  • 252 - Compositions
  • 313 - Electric lamp and discharge devices