3856794

Information

• Patent Grant
• 3856794

• References
• Source

• Patent Number

  3,856,794

• Date Filed

  Not available

• Date Issued

  Tuesday, December 24, 1974
  50 years ago

• CPC

  • C07D295/088 - to an acyclic saturated chain
  • H04N5/9207 - for teletext

• US Classifications

  • 544 - Organic compounds
  • 386 - Motion video signal processing for recording or reproducing
  • 549 - Organic compounds