2921072

Information

• Patent Grant
• 2921072

• References
• Source

• Patent Number

  2,921,072

• Date Filed

  Not available

• Date Issued

  Tuesday, January 12, 1960
  65 years ago

• CPC

  • C07D401/04 - directly linked by a ring-member-to-ring-member bond
  • C07D239/64 - Salts of organic bases Organic double compounds
  • C07D401/14 - containing three or more hetero rings

• US Classifications

  • 544 - Organic compounds