3581139

Information

• Patent Grant
• 3581139

• References
• Source

• Patent Number

  3,581,139

• Date Filed

  Not available

• Date Issued

  Tuesday, May 25, 1971
  53 years ago

• CPC

  • C09K11/73 - also containing alkaline earth metals
  • C09K11/02 - Use of particular materials as binders, particle coatings or suspension media therefor
  • C09K11/025 - Use of non-luminescent materials other than binders

• US Classifications

  • 313 - Electric lamp and discharge devices