Perfluorinated acid fluorides and preparation thereof

• US 6,482,979 B1
• Filed: 12/22/1999
• Issued: 11/19/2002
• Est. Priority Date: 12/22/1999
• Status: Expired due to Term

• Current Assignee: 3M Innovative Properties Company (3M Company)
• Original Assignee: 3M Innovative Properties Company (3M Company), Dyneon LLC (3M Company)
• Inventors: Hintzer, Klaus, Schwertfeger, Werner, Moore, George G. I., Qiu, Zai-Ming, Gross, Christopher L., Schulz, Jay F., Worm, Allan T.
• Primary Examiner(s): Rotman, Alan L.
• Assistant Examiner(s): Reyes, Hector M
• Application Number:
  US09/470,035
• Time in Patent Office: 1,063 Days
• Field of Search: 562/586, 560/184, 423/481, 423/483
• US Class Current: 562/586
• CPC Class Codes: C07C 51/363 by introduction of halogen; by substitution of halogen atoms by other halogen atoms
• CPC Class Codes: C07C 51/60 by conversion of carboxylic acids or their anhydrides or esters, lactones, salts into halides with the same carboxylic acid part
• CPC Class Codes: C07C 59/315 containing halogen

Abstract

A method for the preparation of a perfluorinated acid fluoride (especially 3-alkoxy propionic acid fluoride) is provided. The method results in high yields of the acid fluoride.

Claims