Number | Date | Country | Kind |
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2001-046476 | Feb 2001 | JP | |
2001-136453 | May 2001 | JP | |
2001-154108 | May 2001 | JP |
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5401105 | Suzuki et al. | Mar 1995 | A |
5462684 | Naka et al. | Oct 1995 | A |
5552067 | Placek | Sep 1996 | A |
5728659 | Naka et al. | Mar 1998 | A |
5792733 | Minami et al. | Aug 1998 | A |
5804536 | Asao et al. | Sep 1998 | A |
5824628 | Coates et al. | Oct 1998 | A |
6251841 | Koizumi et al. | Jun 2001 | B1 |
6329326 | Iso et al. | Dec 2001 | B1 |
6420321 | Akiyama et al. | Jul 2002 | B1 |
6528457 | Howell et al. | Mar 2003 | B2 |
Number | Date | Country |
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03-53805 | Jul 1991 | JP |
05-061501 | Feb 1993 | JP |
06-117932 | May 1994 | JP |
07-071422 | Mar 1995 | JP |
Entry |
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Smalheer et al, “Lubricant Additives”, Section I-Chemistry of Additives, pp. 1-11, 1967. |