Process for preparing cyanohydrins and their use in the preparation of alkyl esters of methacrylic acid

Process for preparing cyanohydrins and their use in the preparation of alkyl esters of methacrylic acid

  • CN 101,195,588 A
  • Filed: 02/28/2007
  • Published: 06/11/2008
  • Est. Priority Date: 12/08/2006
  • Status: Active Application
First Claim
Patent Images

1. method for preparing acetone cyanohydrin, wherein, the reaction mixture that contains acetone and prussic acid reacts in loop reactor in the presence of catalyzer, form acetone cyanohydrin as reaction product, described loop reactor has at least one device that is used for reaction mixture, at least one pump, at least one is used for the device of hybrid reaction mixture and is respectively applied at least one that add prussic acid, acetone and catalyzer adding hand-hole, wherein, adding catalyzer carries out adding acetone or prussic acid or both downstreams.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×