Patents by Inventor Patrick Duchi

Patrick Duchi 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: 6187107
    Abstract: The water-repellent mixture comprises i) a halogenated dispersant chosen from the group constituted by a totally halogenated molecule and a partially halogenated molecule with at least one atom of hydrogen and ii) a copolymeric silicone having a hydrophilic function, for drying solids by the movement of water, the copolymeric silicone preferably being a polyalkylineoxide modified polydimethylsiloxane of formula: with 0≦m≦100, 4≦n≦50 and R being a radical chosen from the group of radicals constituted by a hydrogen atom, an alcohol group, an amine group and a polyalkyl group containing 1 to 5 carbon atoms.
    Type: Grant
    Filed: June 24, 1998
    Date of Patent: February 13, 2001
    Assignee: Promosol S.A.
    Inventors: Patrick Duchi, Joseph Micozzi