2640842

Information

• Patent Grant
• 2640842

• References
• Source

• Patent Number

  2,640,842

• Date Filed

  Not available

• Date Issued

  Tuesday, June 2, 1953
  72 years ago

• CPC

  • C07C233/00 - Carboxylic acid amides
  • Y10S514/933 - Syphilis

• US Classifications

  • 552 - Organic compounds
  • 514 - Drug, bio-affecting and body treating compositions
  • 556 - Organic compounds