2889371

Information

• Patent Grant
• 2889371

• References
• Source

• Patent Number

  2,889,371

• Date Filed

  Not available

• Date Issued

  Tuesday, June 2, 1959
  65 years ago

• CPC

  • C07C29/147 - of carboxylic acids or derivatives thereof
  • C07C35/42 - derived from the phenanthrene skeleton
  • C07C43/23 - containing hydroxy or O-metal groups
  • C07B2200/07 - Optical isomers
  • C07C2103/26 - (Hydrogenated) phenanthrenes

• US Classifications

  • 568 - Organic compounds
  • 560 - Organic compounds