Patents Represented by Attorney, Agent or Law Firm Buckname & Archer
  • Process for the synthesis of aliphatic, cycloaliphatic or araliphatic chloroformates
    Patent number: 6696590
    Abstract: The disclosure relates to a process for the synthesis of substituted or unsubstituted aliphatic, cycloaliphatic or araliphatic chloroformates by reaction of the corresponding alcohol with phosgene, diphosgene and/or triphosgene. The reaction is carried out under a pressure of between 15×103 Pa and 85×103 Pa and at a temperature of between −30° C. and +50° C. The process is particularly well suited to the preparation of menthyl chloroformate and benzyl chloroformate.
    Type: Grant
    Filed: December 18, 2001
    Date of Patent: February 24, 2004
    Assignee: SNPE
    Inventors: Hubert Bonnard, Laurence Ferruccio, Patricia Gauthier, Jean-Pierre Senet