公开(公告)号：US20180282649A1

公开(公告)日：2018-10-04

申请号：US15763881

申请日：2016-10-07

申请人： IDEMITSU KOSAN CO., LTD.

发明人： Masato KANEKO

IPC分类号： C10M107/24 ,  C10M105/38 ,  C09K5/04 ,  F25B31/00

摘要： A refrigerator oil that is excellent in thermal stability and oxidation stability is provided. The refrigerator oil contains at least one compound selected from the group consisting of a polyvinyl ether compound, a polyoxyalkylene glycol compound, and a polyol ester compound and has a Hazen color number according to ASTM D1209-05 of 0 to 10.

公开(公告)号：US20190300769A1

公开(公告)日：2019-10-03

申请号：US16434262

申请日：2019-06-07

申请人： IDEMITSU KOSAN CO., LTD.

发明人： Masato KANEKO

IPC分类号： C09K5/04 ,  C10M169/04 ,  C10M171/00

摘要： Provided is a lubricating oil composition for a refrigerator which uses a base oil including as the main component at least one kind of oxygen-containing compounds selected from polyoxyalkylene glycols, polyvinyl ethers, copolymers of poly(oxy)alkylene glycols or monoethers thereof and polyvinyl ethers, polyol esters, and polycarbonates. The lubricating oil composition for a refrigerator is used for a refrigerator that uses, as a refrigerant, a fluorine-containing organic compound, which is a refrigerant applicable to current car air conditioner systems or the like and has a specific polar structure, and has favorable sealing property, a low coefficient of friction factor in a sliding part, and excellent stability as well as excellent compatibility with the refrigerant.

公开(公告)号：US20180016518A1

公开(公告)日：2018-01-18

申请号：US15541152

申请日：2016-01-07

申请人： IDEMITSU KOSAN CO., LTD.

发明人： Masato KANEKO

IPC分类号： C10M169/04 ,  C10M105/00 ,  C10M145/32 ,  C10M145/28 ,  C10M145/30

CPC分类号： C10M169/04 ,  C10M105/00 ,  C10M145/28 ,  C10M145/30 ,  C10M145/32 ,  C10M169/041 ,  C10M171/02 ,  C10M2203/003 ,  C10M2203/1006 ,  C10M2205/02 ,  C10M2205/024 ,  C10M2205/026 ,  C10M2205/223 ,  C10M2207/2835 ,  C10M2209/043 ,  C10M2209/084 ,  C10M2209/103 ,  C10M2209/1033 ,  C10M2209/104 ,  C10M2209/1045 ,  C10M2209/105 ,  C10M2209/106 ,  C10N2220/021 ,  C10N2220/022 ,  C10N2220/023 ,  C10N2230/02 ,  C10N2230/08 ,  C10N2230/70 ,  C10N2240/02 ,  C10N2240/04 ,  C10N2240/08 ,  C10N2240/10 ,  C10N2240/12 ,  C10N2240/30 ,  C10M2209/1055 ,  C10M2209/1085 ,  C10M2209/108 ,  C10M2205/04 ,  C10N2260/02

摘要： A lubricating oil composition according to one embodiment of the present invention contains an oxygen-containing synthetic base oil having an oxygen content (A) of from 15 to 40 mass % and a kinetic viscosity at 100° C. of from 0.5 to 50 mm2/s, and a viscosity index improver that is an oxygen-containing compound having an oxygen content (B) of from 15 to 40 mass % and a kinetic viscosity at 100° C. of 11,000 mm2/s or more, a mass ratio of the oxygen-containing synthetic base oil and the viscosity index improver being from 99.5:0.5 to 75:25, and a ratio (A/B) of the oxygen content (A) of the oxygen-containing synthetic base oil to the oxygen content (B) of the viscosity index improver being in a range of from 0.5 to 2.

公开(公告)号：US20180216024A1

公开(公告)日：2018-08-02

申请号：US15506121

申请日：2015-08-26

申请人： IDEMITSU KOSAN CO., LTD.

发明人： Tomoya MATSUMOTO ,  Masato KANEKO ,  Takashi KONDO

IPC分类号： C10M137/04 ,  C10M107/34 ,  C10M171/00 ,  C09K5/04 ,  C10M105/38 ,  C10M107/24

CPC分类号： C10M137/04 ,  C09K5/04 ,  C10M105/38 ,  C10M107/24 ,  C10M107/34 ,  C10M153/04 ,  C10M169/04 ,  C10M171/008 ,  C10M2207/026 ,  C10M2207/046 ,  C10M2207/2835 ,  C10M2209/043 ,  C10M2209/1033 ,  C10M2223/041 ,  C10M2225/00 ,  C10M2229/02 ,  C10N2220/302 ,  C10N2220/303 ,  C10N2220/305 ,  C10N2220/306 ,  C10N2230/06 ,  C10N2240/30

摘要： The refrigerator oil according to the present invention includes a base oil including an oxygen-containing organic compound and a phosphorus-based compound represented by the following general formula (1). In the formula (1), n represents an integer of 1 to 10; R1 to R8 each independently represent a hydrogen atom or an alkyl group having 1 to 20 carbon atoms; and Ar represents a divalent hydrocarbon group having 2 to 20 carbon atoms.

公开(公告)号：US20180079982A1

公开(公告)日：2018-03-22

申请号：US15561768

申请日：2016-03-10

申请人： IDEMITSU KOSAN CO., LTD.

发明人： Masato KANEKO ,  Tadashi KISEN ,  Takahiro HOSHIDA

IPC分类号： C10M105/38 ,  F25B31/00 ,  C09K5/04 ,  C10M105/14

摘要： The mixed composition for a refrigerator of the present invention contains: a refrigerant containing at least one unsaturated fluorinated hydrocarbon compound selected from compounds represented by the following molecular formula (1): CpFrHs  (1) wherein p represents an integer of from 2 to 6; r represents an integer of from 1 to 11; and a represents an integer of from 1 to 11, provided that the compound has one or more carbon-carbon unsaturated bond in a molecule, and a refrigerator lubricating oil containing, as a major component, a polyol ester (A) of a fatty acid (a1) that is a fatty acid having a number of carbon atoms of from 9 to 16 and has a content of a fatty acid having a number of carbon atoms of 9 of 50% by mol or more based on the total amount of the fatty acid (a1), and a polyol (a2) that is pentaerythritol and/or dipentaerythritol.

公开(公告)号：US20180044608A1

公开(公告)日：2018-02-15

申请号：US15555896

申请日：2016-03-10

申请人： IDEMITSU KOSAN CO., LTD.

发明人： Masato KANEKO ,  Takahiro HOSHIDA

IPC分类号： C10M169/04 ,  C09K5/04 ,  C10M135/22 ,  C10M135/28 ,  F25B31/00 ,  C10M105/38

CPC分类号： C10M169/04 ,  C09K5/04 ,  C09K5/045 ,  C09K2205/122 ,  C09K2205/126 ,  C09K2205/22 ,  C10M105/38 ,  C10M135/20 ,  C10M135/22 ,  C10M135/28 ,  C10M2207/2835 ,  C10M2219/022 ,  C10M2219/082 ,  C10M2219/086 ,  C10N2220/302 ,  C10N2220/306 ,  C10N2230/36 ,  C10N2240/30 ,  C10N2260/10 ,  F25B1/00 ,  F25B31/002 ,  F25B2500/221

摘要： The refrigerator lubricating oil of the present invention contains: a base oil containing, as a major component, a polyol ester (A) of a fatty acid (a1) that is a fatty acid having a number of carbon atoms of from 3 to 18 and a polyol (a2) that is selected from neopentyl glycol, trimethylolethane, trimethylolpropane, trimethylolbutane, pentaerythritol, and dipentaerythritol; and a disulfide and/or trisulfide compound (B), and the disulfide and/or trisulfide compound (B) is blended in an amount of from 30 to 10,000 ppm by mass in terms of sulfur equivalent based on the total amount of the refrigerator lubricating oil.

公开(公告)号：US20200024544A1

公开(公告)日：2020-01-23

申请号：US16320160

申请日：2017-10-06

申请人： IDEMITSU KOSAN CO., LTD.

发明人： Masato KANEKO

IPC分类号： C10M169/04 ,  C10M107/24 ,  C10M105/38 ,  C10M107/34 ,  C10M127/04 ,  C09K5/04 ,  G01M3/20

摘要： Provided is a lubricant composition which is excellent in thermal stability and chemical stability while making it possible to detect a leakage point of the lubricant composition, etc. with a fluorescent agent. The lubricant composition is one containing a base oil (A) and a fused ring compound (B) being fluorescent, having a tri- or higher fused ring, and not having nitrogen, oxygen, and sulfur in a molecule thereof, wherein the fused ring compound (B) is contained in an amount of 0.001 to 1.0% by mass on a basis of the whole amount of the lubricant composition.

公开(公告)号：US20190264129A1

公开(公告)日：2019-08-29

申请号：US15776185

申请日：2016-11-18

申请人： IDEMITSU KOSAN CO., LTD.

发明人： So NAKAJIMA ,  Masato KANEKO ,  Tetsuhiko FUKANUMA ,  Ryo MATSUBARA ,  Yuki YOKOI

IPC分类号： C10M169/04 ,  C10M107/34 ,  C10M129/16 ,  C10M129/08 ,  C10M133/16 ,  C10M141/06 ,  C09K5/04

摘要： The lubricating oil composition for a refrigerator of the present invention is used with a refrigerant containing carbon dioxide, and contains a base oil (A) containing a polyoxyalkylene glycol as a major component, and an alcohol (B) having at least one hydroxy group, in which a total number of the hydroxy group and an ether bond is from 2 to 3 (provided that the number of an ether bond may be 0).

公开(公告)号：US20190233759A1

公开(公告)日：2019-08-01

申请号：US16318421

申请日：2017-09-25

申请人： IDEMITSU KOSAN CO., LTD.

发明人： Masato KANEKO ,  Tomoya MATSUMOTO ,  So NAKAJIMA

IPC分类号： C10M169/04 ,  F25B31/00 ,  C10M137/04 ,  C10M145/34 ,  C10M145/04 ,  C10M129/74 ,  C10M127/06 ,  C10M141/10 ,  C10M161/00 ,  C09K5/04

CPC分类号： C10M169/044 ,  C09K5/042 ,  C10M101/02 ,  C10M127/06 ,  C10M129/74 ,  C10M137/04 ,  C10M141/10 ,  C10M145/04 ,  C10M145/26 ,  C10M145/34 ,  C10M161/00 ,  C10M169/04 ,  C10M2203/003 ,  C10M2203/06 ,  C10M2207/283 ,  C10M2209/04 ,  C10M2209/107 ,  C10M2223/041 ,  C10N2220/022 ,  C10N2230/02 ,  C10N2240/30 ,  F25B1/00 ,  F25B31/002

摘要： The present invention relates to a refrigerator oil containing (A) a mineral oil having a kinematic viscosity at 40° C. of 0.50 mm2/s or more and 8.00 mm2/s or less, (B) a polyphosphate ester-based compound, and (C) a dissolution aid for the component (B).

公开(公告)号：US20180057766A1

公开(公告)日：2018-03-01

申请号：US15557924

申请日：2016-03-23

申请人： IDEMITSU KOSAN CO., LTD.

发明人： Masato KANEKO

IPC分类号： C10M135/36 ,  C10M107/34 ,  C10M169/04 ,  C09K5/04 ,  C10M171/00

CPC分类号： C10M135/36 ,  C09K5/04 ,  C09K5/045 ,  C09K2205/126 ,  C10M107/34 ,  C10M169/04 ,  C10M169/044 ,  C10M171/008 ,  C10M2209/1033 ,  C10M2219/108 ,  C10N2220/302 ,  C10N2240/30 ,  F25B1/00

摘要： Disclosed herein is a mixed composition for a refrigerator, the mixed composition containing: a refrigerant containing at least one unsaturated fluorinated hydrocarbon compound selected from compounds represented by the following molecular formula (1): CpFrHs (1), provided that the compound has one or more carbon-carbon unsaturated bond in a molecule: and a refrigerator lubricating oil containing, as a major component, a polyoxyalkylene glycol compound represented by the following general formula (2), and containing a phenothiazine compound in an amount of 1.0% by mass or more based on the total amount of the refrigerator lubricating oil: R1—[(OR2)m—OR3]n (2). A mixed composition for a refrigerator is provided having a lower possibility of autoignition in a high temperature environment even during unexpected leakage in a refrigerator using a refrigerant containing a slightly flammable refrigerant. A refrigerator lubricating oil is provided that is capable of being applied to the mixed composition.