Patents by Inventor Wolfgang Mackenroth

Wolfgang Mackenroth has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Preparation of dien-1-ols, 9-hydroxydodec-10-enyl 1-tert-butyl ether and use thereof as an intermediate for synthesizing 8,10-dodecadienol
    Patent number: 4925991
    Abstract: Dien-1-ols of the general formula I ##STR1## where the radicals R.sup.1 to R.sup.7 are identical to or different from one another and each is hydrogen or straight-chain or branched alkyl or 1-12 carbon atoms and n is 1-14, are prepared by dehydrating a hydroxylalkenyl tert-butyl ether of the formula II ##STR2## in the presence of an acidic catalyst at elevated tempertures and essentially at the same time splitting off the tert-butyl protective group, as is 9-hydroxydodec-10-enyl 1-tert-butyl ether which is useful as an intermediate for synthesizing 8,10-dodecadienol.
    Type: Grant
    Filed: August 24, 1988
    Date of Patent: May 15, 1990
    Assignee: BASF Aktiengesellschaft
    Inventors: Wolfgang Mackenroth, Wolfgang Hoelderich, Rainer Becker, Walter Seufert