3900499

Information

• Patent Grant
• 3900499

• References
• Source

• Patent Number

  3,900,499

• Date Filed

  Not available

• Date Issued

  Tuesday, August 19, 1975
  49 years ago

• CPC

  • C07D335/06 - Benzothiopyrans Hydrogenated benzothiopyrans
  • C07F9/097 - Compounds containing the structure P(=O)-O-N
  • C07F9/1657 - Compounds containing the structure P(=X)n-X-N (X = O, S, Se; n = 0, 1)
  • C07F9/4096 - Compounds containing the structure P(=X)-X-N (X = O, S, Se)
  • C07F9/4457 - Compounds containing the structure C-P(=X)(X-acyl)-N, C-P(=X)(X-heteroatom)-N or C-P(=X)(X-CN)-N (X, Y = O, S)

• US Classifications

  • 549 - Organic compounds
  • 987 - Organic compounds containing a bi, sb, as, or p atom or containing a metal atom of the 6th to 8th group of the periodic system