3923902

Information

• Patent Grant
• 3923902

• References
• Source

• Patent Number

  3,923,902

• Date Filed

  Not available

• Date Issued

  Tuesday, December 2, 1975
  49 years ago

• CPC

  • C07C53/21 - containing fluorine
  • C07C45/00 - Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms Preparation of chelates of such compounds
  • C07C45/87 - Preparation of ketenes or dimeric ketenes
  • C07C49/167 - containing only fluorine as halogen
  • C07C49/173 - containing halogen
  • C07C49/88 - Ketenes Dimeric ketenes
  • C07C51/295 - with inorganic bases

• US Classifications

  • 568 - Organic compounds