Patents by Inventor Denys Roulin

Denys Roulin 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).

  • Soil treatment with polymeric hydrogen siloxane
    Patent number: 5443633
    Abstract: The invention relates to the use of a composition which, in a liquid carrier, contains a polymeric hydrogen siloxane (or (H) siloxane) corresponding to the following general formula ##STR1## in which n is a number of from 1 to 70 andR is an alkyl, hydroxyalkyl, aminoalkyl, haloalkyl or aryl radical.The liquid carrier is, for example, water or dichloromethane.
    Type: Grant
    Filed: October 22, 1993
    Date of Patent: August 22, 1995
    Assignee: Nestec S.A.
    Inventors: Pierre Hirsbrunner, Denys Roulin