Patents by Inventor Marlies Englisch

Marlies Englisch 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).

  • Patent number: 4647679
    Abstract: Platinum and/or palladium containing organopolysiloxane-ammonium compounds containing units represented by the structural formula: ##STR1## in which R.sup.1, R.sup.2 and R.sup.3 represent:R.sup.5 --SiO.sub.3/2 (2)wherein R.sup.5 is an alkylene group and the free valences of oxygen are satisfied by silicon atom and additional groups of the structural formula (2), optionally with the introduction of a crosslinking agent,R.sup.4 can be R.sup.1, R.sup.2, R.sup.3 or hydrogen, alkyl, cycloalkyl or benzyl,Y.sup.x- is MeX.sub.4.sup.2- or MeX.sub.6.sup.2-, wherein Me is platinum or palladium andX is chlorine or bromine, and can further denote a 1 to 3 valent anion of a protonic acid capable of forming a stable salt with an amine, or the hydroxy group, andx is a number from 1 to 3. Methods for the obtaining the polymeric organosiloxane-ammonium-noble metal complexes and as well as the use thereof as catalysts for hydrosilylation and hydrogenation reactions are disclosed.
    Type: Grant
    Filed: February 8, 1985
    Date of Patent: March 3, 1987
    Assignee: Degussa Aktiengesellschaft
    Inventors: Peter Panster, Marlies Englisch, Peter Kleinschmit