发明名称 |
ADDITIVE COMPOSITION FOR LUBRICATING OILS AND LUBRICATING OIL COMPOSITION |
摘要 |
<p>It is an object to provide a lubricating oil composition having low-temperature properties and fuel efficiency at high temperatures which are superior to those of conventional lubricating oil compositions, and to provide a viscosity modifier for lubricating oils and an additive composition for lubricating oils which are used for obtaining said composition. The viscosity modifier for lubricating oils of the present invention comprises a propylene copolymer (A) which has a density of 875 kg/m3 or less and which comprises 60 mole % or more of structural unit derived from propylene.</p> |
申请公布号 |
EP2483377(A1) |
申请公布日期 |
2012.08.08 |
申请号 |
EP20100760885 |
申请日期 |
2010.09.27 |
申请人 |
MITSUI CHEMICALS, INC.;THE LUBRIZOL CORPORATION |
发明人 |
IKEDA, SATOSHI;KAMIYA, NOZOMI;HOYA, HIROSHI;TANAKA, JUMPEI;HUANG, CHOR |
分类号 |
C10M143/04;C08F210/06;C08F210/16;C10M143/00;C10M143/06;C10M143/08;C10N10/02;C10N10/04;C10N20/02;C10N20/04;C10N40/04;C10N40/25;C10N40/26 |
主分类号 |
C10M143/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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