Patents Examined by V. Monoharan
  • Process for the purification of crude .beta.-phenylethyl alcohol
    Patent number: 4664755
    Abstract: Process for the purification of crude .beta.-phenylethyl alcohol by azeotropic distillation in the presence of alkanolamines in which the alkylene chain contains 2 to 4 carbon atoms and is optionally substituted by 1 to 4 C.sub.1 -C.sub.3 -alkyl groups.
    Type: Grant
    Filed: November 27, 1985
    Date of Patent: May 12, 1987
    Assignee: Haarman & Reimer GmbH
    Inventors: Jurgen Nienhaus, Rudolf Hopp