2495202

Information

• Patent Grant
• 2495202

• References
• Source

• Patent Number

  2,495,202

• Date Filed

  Not available

• Date Issued

  Tuesday, January 17, 1950
  75 years ago

• CPC

  • C09K11/06 - containig organic luminescent materials
  • C09B17/005 - Dyes containing at least four ortho-condensed rings with at least two ring N-atoms in the system

• US Classifications

  • 544 - Organic compounds