2216561

Information

• Patent Grant
• 2216561

• References
• Source

• Patent Number

  2,216,561

• Date Filed

  Not available

• Date Issued

  Tuesday, October 1, 1940
  84 years ago

• CPC

  • C07D239/66 - Thiobarbituric acids
  • C07C233/12 - having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by halogen atoms or by nitro or nitroso groups
  • C07D239/68 - Salts or organic bases Organic double compounds

• US Classifications

  • 544 - Organic compounds