Patents by Inventor Marla Marzinke

Marla Marzinke 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).

  • Method for the preparation of aminopropyl or aminoalkyl functional polyalkyl or aryl siloxanes
    Patent number: 6177583
    Abstract: A new method for the preparation of aminopropyl terminated or internal functionalized polyalkyl or aryl siloxanes is described. The method involves readily available commercial starting materials and proceeds under mild conditions in high yield. Purification is facilitated over present commercial procedures and a wider variety of internal functionalized siloxanes may be prepared. The method involves hydrosilation of commercially availably alkyl or aryl functional hydrosilicones with allyl amine or other alkenyl or arenyl amine in the presence of platinum (0) divinyltetramethylsiloxane or platinum (0) cyclovinyl complexes.
    Type: Grant
    Filed: August 30, 1999
    Date of Patent: January 23, 2001
    Assignee: United Chemical Technologies, Inc.
    Inventors: Marla Marzinke, John H. MacMillan, Thomas F. August, Michael J. Telepchak