Patents by Inventor Keiki Suzuki

Keiki Suzuki 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).

  • Refractory compositions
    Patent number: 3971665
    Abstract: A refractory composition comprises a basic refractory raw material such as oxides or hydroxides of magnesium, calcium, chromium or maganese, quaternary ammonium hydroxide and silica sol and/or silicate. The composition is used to prepare unfired refractories having a high compression strength by merely molding and drying it without the necessity of firing. When fired, it manifests comparable compression strength. The composition can also be used as monolithic refractory, refractory mortar, refractory coating agent, mold release, etc.
    Type: Grant
    Filed: March 18, 1974
    Date of Patent: July 27, 1976
    Assignee: Nissan Chemical Industries, Ltd.
    Inventors: Keiki Suzuki, Akitoshi Yoshida, Shigeki Inoue