发明名称 |
Use of synthetic lubricating oils in refrigerators. |
摘要 |
<p>A synthetic lubricating oil comprising as a base oil at least one kind of a carbonic acid ester selected from the group consisting of: [I] a carbonic acid ester represented by the general formula (1) <CHEM> wherein R<1> and R<2> are each an alkyl or dihydric alcohol residue, R<3> is an alkylene, and a is 0 - 30, [II] a carbonic acid ester represented by the general formula (2) <CHEM> wherein X<1> is -H or <CHEM> R<4>-R<6> are each an alkyl, cycloalkyl or neopentyl type polyol residue, R<7> is an alkyl, b is 1 or 2, c is 0 or 1 (b + c = 2), d is 0 - 30, and e is 1 - 3, and [III] a carbonic acid ester of which alcohol moieties are (A) a monohydric alcohol, (B) a dihydric alcohol, and (C) a neopentyl type polyol or dimer or trimer thereof. i</p> |
申请公布号 |
EP0452816(A2) |
申请公布日期 |
1991.10.23 |
申请号 |
EP19910105798 |
申请日期 |
1991.04.11 |
申请人 |
NIPPON OIL CO. LTD. |
发明人 |
ISHIDA, NOBORU, C/O NIPPON OIL CO., LTD.;HASEGAWA, HIROSHI, C/O NIPPON OIL CO., LTD.;SASAKI, UMEKICHI, C/O NIPPON OIL CO., LTD.;ISHIKAWA, TATSUYUKI, C/O NIPPON OIL CO., LTD. |
分类号 |
C09K5/04;C10M105/32;C10M105/48;C10M111/00;C10M111/04;C10M169/04;C10M171/00 |
主分类号 |
C09K5/04 |
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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