Patents by Inventor Philip F. L. Seto

Philip F. L. Seto 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).

  • Water-in-oil emulsion blasting agent
    Patent number: 4308081
    Abstract: A water-in-oil emulsion explosive composition is provided containing sorbitan mono-oleate, sorbitan sesquioleate and glycerides of fatty acids as the emulsification agent and also containing a highly clorinated paraffinic hydrocarbon as an emulsification promoter. The presence of the clorinated hydrocarbon produces improved sensitivity even in small diameter cartridges.
    Type: Grant
    Filed: November 26, 1979
    Date of Patent: December 29, 1981
    Assignee: Canadian Industries Limited
    Inventors: Rejean Binet, Philip F. L. Seto