2857434

Information

• Patent Grant
• 2857434

• References
• Source

• Patent Number

  2,857,434

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1958
  66 years ago

• CPC

  • C07C47/445 - containing a condensed ring system
  • C07C35/29 - being a (2.2.1) system
  • C07C45/296 - with lead derivatives

• US Classifications

  • 568 - Organic compounds
  • 549 - Organic compounds
  • 556 - Organic compounds
  • 562 - Organic compounds
  • 564 - Organic compounds