LUBRICANT COMPOSITION

WIPO Patent Application WO/2003/106601

A1

Lubricant composition that exhibits excellent extreme-pressure performance, rust-proofing performance, thermochemical stability and oxidation stability to thereby enable enhancing the wear resistance of mechanical sliding parts and prolonging the operating life of machine. For example, a composition useful as a lubricating oil for micro gas turbine, comprising a base oil, a phosphorus compound (A), a rust preventive (B), an alkylphenol and/or aromatic amine (C) and benzotriazole and/or its derivative (D), optionally together with an epoxy compound (E).

Sano, Takashi c/o NIPPON OIL CORPORATION (8 Chidori-cho, Naka-k, Yokohama-shi Kanagawa, 231-0815, JP)
Yoshida, Toshio c/o NIPPON OIL CORPORATION (8 Chidori-cho, Naka-k, Yokohama-shi Kanagawa, 231-0815, JP)

PCT/JP2003/007471

December 24, 2003

June 12, 2003

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NIPPON OIL CORPORATION (3-12, Nishi-Shinbashi 1-chome Minato-ku, Tokyo, 105-8412, JP)
Sano, Takashi c/o NIPPON OIL CORPORATION (8 Chidori-cho, Naka-k, Yokohama-shi Kanagawa, 231-0815, JP)
Yoshida, Toshio c/o NIPPON OIL CORPORATION (8 Chidori-cho, Naka-k, Yokohama-shi Kanagawa, 231-0815, JP)

C10M169/04; C10M101/02; C10M101/04; C10M105/04; C10M105/32; C10M105/38; C10M107/08; C10M129/10; C10M129/18; C10M129/72; C10M129/76; C10M129/95; C10M133/12; C10M133/40; C10M135/10; C10M137/02; C10M137/04; C10M137/10; C10M141/10; C10M163/00; C10N10/02; C10N10/04; C10N40/12; C10M169/00; C10M101/00; C10M105/00; C10M107/00; C10M129/00; C10M133/00; C10M135/00; C10M137/00; C10M141/00; C10M163/00; (IPC1-7): C10M141/10; C10M163/00

Sakai, Hajime (Shuwa Kioicho TBR Building, 7 Kojimachi 5-chom, Chiyoda-ku Tokyo, 102-0083, JP)

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