Patents by Inventor Haruo Nishigaki

Haruo Nishigaki 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).

  • Flame resistant oil
    Patent number: 4556511
    Abstract: A flame resistant oil comprising a fluorine-type oil having a number average molecular weight of from about 300 to about 900 and a silicone oil having a number average molecular weight of from about 160 to about 57,000, wherein the fluorine-type oil and the silicone oil are combined and dissolved to each other with a combination of the respective molecular weights selected from the following combinations I to IV:______________________________________ I 300 .ltoreq. X .ltoreq. 900 160 .ltoreq. Y < 400 II 300 .ltoreq. X .ltoreq. 700 + 0.02Z.sup.2 400 .ltoreq. Y < 2,000 III 300 .ltoreq. X .ltoreq. 600 + 0.02Z.sup.2 2,000 .ltoreq. Y < 4,000 IV 300 .ltoreq. X .ltoreq. 500 + 0.02Z.sup.2 4,000 .ltoreq. Y .ltoreq. 57,000 ______________________________________where X is the number average molecular weight of the fluorine-type oil, Y is the number average molecular weight of the silicone oil, and Z is the % by volume of the silicone oil in the flame resistant oil and 10.ltoreq.Z.ltoreq.90.
    Type: Grant
    Filed: June 5, 1984
    Date of Patent: December 3, 1985
    Assignees: Asahi Glass Co., Ltd., Mitsubishi Denki Kabushiki Kaisha
    Inventors: Haruo Nishigaki, Koji Watanabe, Shiroh Fukui, Kiyoshi Kanematsu