Patents by Inventor Albrecht Wallis

Albrecht Wallis 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).

  • Manufacture of aziridinocarboxylic acid esters
    Patent number: 4052384
    Abstract: Aziridinocarboxylic acid esters of polyols are manufactured by trans-esterification of the corresponding esters of lower alcohols, using magnesium oxide or calcium oxide as the trans-esterification catalyst; this method gives a higher yield and a purer product.
    Type: Grant
    Filed: April 13, 1976
    Date of Patent: October 4, 1977
    Assignee: BASF Aktiengesellschaft
    Inventors: Toni Dockner, Albrecht Wallis, Rolf Fikentscher, Rainer Thomas, Reinhard Herzog