Patents by Inventor Shigejiro Mori

Shigejiro Mori 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).

  • Process for manufacturing rapid hardening portland cement clinker
    Patent number: 4028126
    Abstract: A process for manufacturing a rapid hardening portland cement clinker containing a calcium halo-aluminate having the formula; 11CaO.7Al.sub.2 O.sub.3.CaX.sub.2, in which X is a halogen, characterized by adding at least one sulfur compound selected from calcium sulfate, calcium sulfite and calcium sulfide to the mixed raw materials comprising mainly an aluminous material, a calcareous material, a silicious material, an iron source and a halogen source, and burning the obtained mixture in an oxidizing temperature.
    Type: Grant
    Filed: January 7, 1974
    Date of Patent: June 7, 1977
    Assignee: Onoda Cement Company, Ltd.
    Inventors: Shigejiro Mori, Hiroshi Uchikawa, Shunichiro Uchida