Patents by Inventor Jan Sybren Hoogland

Jan Sybren Hoogland 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: 5767053
    Abstract: A method of making a particulate foam control agent comprising 0.001 to 30 parts of silicone antifoam, 45 to 99 parts of a zeolite and 0 to 30 parts of a binder, preferably of a polycarboxylate-type, able to release at least some antifoam from the zeolite in the first 10 minutes of a washing cycle comprises depositing from 0.1 to 500% of the silicone antifoam of an organic surfactant onto the zeolite not later than depositing the silicone antifoam, at least 1 part of surfactant being used per 100 parts of the foam control agent. Also covered are detergent compositions and some foam control agents.
    Type: Grant
    Filed: December 20, 1995
    Date of Patent: June 16, 1998
    Assignee: Dow Corning S. A.
    Inventors: Pierre Andre Georges Gustave Germain, Bernhard Ernst Gold, Jan Sybren Hoogland, Bertrand Louis Julien Lenoble, Mark Prince