2689830

Information

• Patent Grant
• 2689830

• References
• Source

• Patent Number

  2,689,830

• Date Filed

  Not available

• Date Issued

  Tuesday, September 21, 1954
  70 years ago

• CPC

  • C09K11/0888 - Sulfates
  • H01J9/22 - Applying luminescent coatings

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 252 - Compositions
  • 427 - Coating processes