3294843

Information

• Patent Grant
• 3294843

• References
• Source

• Patent Number

  3,294,843

• Date Filed

  Not available

• Date Issued

  Tuesday, December 27, 1966
  58 years ago

• CPC

  • C14C3/02 - Chemical tanning
  • C07C29/141 - with hydrogen or hydrogen-containing gases
  • C07C45/64 - by introduction of functional groups containing oxygen only in singly bound form
  • C07C47/57 - polycyclic
  • C07D311/80 - Dibenzopyrans Hydrogenated dibenzopyrans
  • C07C2103/26 - (Hydrogenated) phenanthrenes

• US Classifications

  • 568 - Organic compounds
  • 008 - Bleaching and dyeing