Patents by Inventor Hans-Joachim Kotzch

Hans-Joachim Kotzch 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: 5068382
    Abstract: Organosilicon compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2 are each independently straight or branched alkyl of 1 to 4 carbon atoms or --OR.sup.3,R.sup.3 is R.sup.4 --(OR.sup.5).sub.m --,R.sup.6 is straight or branched alkyl of 1 to 4 carbon atoms,m is an integer from 0 to 6, inclusive,R.sup.5 is straight or branched alkylene of 2 to 4 carbon atoms, which may be identical or different when m is an integer from 2 to 6, andR.sup.6 is straight or branched alkylene of 2 to 6 carbon atoms,are prepared by reacting hydrogensilanes of the formula ##STR2## wherein R.sup.7 are identical or different groups R.sup.4 or the group OR.sup.4, and R.sup.4 has the previously indicated meaning,with terminally unsaturated ethers of the formulaR.sup.4 --(OR.sup.5).sub.m --OR.sup.8whereinm, R.sup.4 and R.sup.5 have the previously indicated meanings, andR.sup.
    Type: Grant
    Filed: March 12, 1990
    Date of Patent: November 26, 1991
    Assignee: Huels Aktiengesellschaft
    Inventors: Hartwig Rauleder, Hans-Joachim Kotzch