Patents by Inventor Heidelinde Schiller

Heidelinde Schiller 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).

  • Crosslinking of polymers with azo-esters
    Patent number: 4129531
    Abstract: A method is provided for crosslinking polymers at temperatures above 170.degree. C using azo-esters having the formula ##STR1## wherein R.sup.3 is --OOC--R, alkyl, cycloalkyl or aralkyl.
    Type: Grant
    Filed: December 14, 1977
    Date of Patent: December 12, 1978
    Assignee: Pennwalt Corporation
    Inventors: Kurt Rauer, Harald Hofmann, Heidelinde Schiller, Chester S. Sheppard