| 摘要 |
PCT No. PCT/JP80/00239 Sec. 371 Date Jun. 9, 1981 Sec. 102(e) Date Apr. 16, 1981 PCT Filed Oct. 7, 1980 PCT Pub. No. WO81/01011 PCT Pub. Date Apr. 16, 1981.This invention is a lubricant comprising an imide compound obtained by reacting a dibasic acid selected from the group consisting of succinic acid, maleic acid, glutaric acid and phthalic acid with a primary amine having a C8-C18 hydrocarbon radical. The lubricant of the invention may be used in combination with a specified diamine derivative and known lubricant additives, and exhibits excellent lubricating properties.
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