Patents Assigned to Degussa Aktienbesellschaft
  • Process for the production of 3-mercapto-propanediol-(1,2)
    Patent number: 4398042
    Abstract: The production of 3-mercapto-propanediol-1,2 is attained with good yields and in an industrially simple manner by reacting liquid hydrogen sulfide with glycidol under pressure, namely either in the presence of aluminum oxide or a sodium aluminum silicate, i.e., in heterogeneous phase or in the presence of an alkali or alkaline earth hydroxide dissolving in reaction medium, i.e. in homogeneous phase.
    Type: Grant
    Filed: April 9, 1981
    Date of Patent: August 9, 1983
    Assignee: Degussa Aktienbesellschaft
    Inventors: Axel Kleemann, Robert Nygren, Rudolf Wagner