Manufacture the method for the halogenated precursors of ketenes in the presence of solvent

Manufacture the method for the halogenated precursors of ketenes in the presence of solvent

  • CN 102,471,202 B
  • Filed: 07/05/2010
  • Issued: 10/07/2015
  • Est. Priority Date: 07/06/2009
  • Status: Active Grant
First Claim
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1. , for the preparation of a method for the halogenated precursors of ketenes, the method comprises makes carboxylic acid halide and vinyl ether react in the liquid reaction medium of halogenated precursors comprising ketenes or this ketenes.

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