3856772

Information

• Patent Grant
• 3856772

• References
• Source

• Patent Number

  3,856,772

• Date Filed

  Not available

• Date Issued

  Tuesday, December 24, 1974
  50 years ago

• CPC

  • C07D239/30 - Halogen atoms or nitro radicals
  • C07D239/42 - One nitrogen atom
  • C07D239/48 - Two nitrogen atoms
  • C09B29/36 - from heterocyclic compounds
  • C09B29/3669 - from a pyrimidine ring
  • C09B31/14 - Heterocyclic components
  • C09B43/202 - Aliphatic, cycloaliphatic, araliphatic carboxylic acids
  • C09B43/30 - by esterification of -COOH or -SO3H groups

• US Classifications

  • 534 - Organic compounds
  • 544 - Organic compounds