2748021

Information

• Patent Grant
• 2748021

• References
• Source

• Patent Number

  2,748,021

• Date Filed

  Not available

• Date Issued

  Tuesday, May 29, 1956
  68 years ago

• CPC

  • G03C11/10 - for protection from ultra-violet light
  • G03C1/8155 - Organic compounds therefor
  • Y10T428/31775 - Paper

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 252 - Compositions
  • 359 - Optical: systems and elements
  • 396 - Photography
  • 430 - Radiation imagery chemistry: process, composition, or product thereof
  • 562 - Organic compounds
  • 564 - Organic compounds