3649216

Information

• Patent Grant
• 3649216

• References
• Source

• Patent Number

  3,649,216

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1972
  52 years ago

• CPC

  • C09K11/01 - Recovery of luminescent materials
  • C09K11/085 - Vanadates
  • Y02W30/72 - Recovery of luminescent materials

• US Classifications

  • 023 - Chemistry: physical processes
  • 209 - Classifying, separating, and assorting solids
  • 210 - Liquid purification or separation
  • 252 - Compositions
  • 423 - Chemistry of inorganic compounds