发明名称 |
VISCOSITY MODIFIER FOR LUBRICATING OILS, ADDITIVE COMPOSITION FOR LUBRICATING OILS, AND LUBRICATING OIL COMPOSITION |
摘要 |
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. |
申请公布号 |
US2012190601(A1) |
申请公布日期 |
2012.07.26 |
申请号 |
US200913498324 |
申请日期 |
2009.09.28 |
申请人 |
IKEDA SATOSHI;KAMIYA NOZOMI;HOYA HIROSHI;TANAKA JUMPEI;HUANG CHOR;MITSUI CHEMICALS, INC. THE LUBRIZOL CORPORATION |
发明人 |
IKEDA SATOSHI;KAMIYA NOZOMI;HOYA HIROSHI;TANAKA JUMPEI;HUANG CHOR |
分类号 |
C10M169/04;C07C11/06;C10M105/04 |
主分类号 |
C10M169/04 |
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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