Patents by Inventor Nobuo Makino

Nobuo Makino 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).

  • Brake grease compositions
    Patent number: 4115284
    Abstract: Grease compositions comprising (A) a specific polyoxypropylene glycol monoether as the lubricating base oil and (B) a specific gelling agent as the thickening agent, consisting of at least one diurea compound represented by the formula ##STR1## wherein R.sub.1 is a divalent aromatic hydrocarbon radical, and R.sub.2 and R.sub.3 a cyclohexyl group, a cyclohexyl derivative group having 7-12 carbon atoms, or an alkyl group having 8-20 carbon atoms.
    Type: Grant
    Filed: June 17, 1977
    Date of Patent: September 19, 1978
    Assignee: Nippon Oil Co., Ltd.
    Inventors: Hirotugu Kinoshita, Makoto Sekiya, Nobuo Makino