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：US20180291247A1

公开(公告)日：2018-10-11

申请号：US15573944

申请日：2016-05-23

申请人： IDEMITSU KOSAN CO., LTD.

发明人： Tadashi KISEN ,  Izumi TERADA ,  Mitsuru SHIBATA ,  Tomoya MATSUMOTO ,  So NAKAJIMA

IPC分类号： C09K5/04 ,  C10M107/24

摘要： The refrigerator oil of the present invention is a refrigerator oil for a refrigerant including difluoromethane (R32), which contains a polyvinyl ether-based compound (A) including a constitutional unit (a1) having a methoxyethyl group in a side chain thereof.

公开(公告)号：US20170355818A1

公开(公告)日：2017-12-14

申请号：US15523958

申请日：2015-11-06

申请人： IDEMITSU KOSAN CO., LTD.

发明人： Taeko NAKANO ,  Tadashi KISEN

IPC分类号： C08G65/12 ,  C10M145/28

CPC分类号： C08G65/12 ,  C08G65/2663 ,  C08G65/2696 ,  C09K3/00 ,  C10M145/28 ,  C10M177/00 ,  C10M2209/104 ,  C10M2209/105 ,  C10N2220/021 ,  C10N2230/02 ,  C10N2240/02 ,  C10N2240/04 ,  C10N2240/10 ,  C10N2240/30

摘要： The method for producing a polyalkylene glycol of the present invention is a method for producing a polyalkylene glycol, including performing a polymerization reaction of an alkylene oxide with a composite metal catalyst, the polymerization reaction being performed in the presence of an organic solvent in an amount of 10 to 90 mass % based on the polyalkylene glycol to be produced.

公开(公告)号：US20190106649A1

公开(公告)日：2019-04-11

申请号：US16088468

申请日：2017-03-30

申请人： IDEMITSU KOSAN CO., LTD.

发明人： Taeko NAKANO ,  Yukio YOSHIDA ,  Tadashi KISEN ,  Makoto OKAMOTO

IPC分类号： C10M145/30 ,  C08G65/12 ,  C10M169/04

摘要： The present invention relates to a polyether compound having a halogen atom content of 0.1000% by mass or less in terms of a polymer molecule thereof as measured by combustion ion chromatography and a weight average molecular weight (Mw) of 140,000 or more and 1,000,000 or less.

公开(公告)号：US20180237586A1

公开(公告)日：2018-08-23

申请号：US15754319

申请日：2016-09-14

申请人： IDEMITSU KOSAN CO., LTD.

发明人： Taeko NAKANO ,  Tadashi KISEN ,  Makoto OKAMOTO

IPC分类号： C08G65/12 ,  C10M145/24

CPC分类号： C08G65/12 ,  B01J31/0239 ,  B01J31/0268 ,  B01J31/143 ,  C10M145/24 ,  C10M145/36 ,  C10M2209/104 ,  C10M2209/105 ,  C10N2220/021 ,  C10N2220/022 ,  C10N2230/02 ,  C10N2230/41 ,  C10N2240/02 ,  C10N2240/04 ,  C10N2240/10 ,  C10N2240/30 ,  C10M2209/108

摘要： In the method for producing a polyether compound of the present invention, an oxirane monomer is polymerized with a trialkylaluminum and a non-halogen-containing onium salt to produce a polyether compound.

公开(公告)号：US20180230397A1

公开(公告)日：2018-08-16

申请号：US15751047

申请日：2016-09-14

申请人： IDEMITSU KOSAN CO., LTD.

发明人： Taeko NAKANO ,  Makoto OKAMOTO ,  Tadashi KISEN

IPC分类号： C10M169/04 ,  C10M105/18 ,  C10M105/14 ,  C10M107/24 ,  C10M145/26 ,  C10M145/04 ,  C09K5/04 ,  F25B13/00

CPC分类号： C10M169/041 ,  C09K5/04 ,  C09K5/041 ,  C10M105/08 ,  C10M105/14 ,  C10M105/18 ,  C10M105/32 ,  C10M105/34 ,  C10M105/36 ,  C10M105/38 ,  C10M107/20 ,  C10M107/24 ,  C10M145/04 ,  C10M145/14 ,  C10M145/26 ,  C10M169/04 ,  C10M2207/0225 ,  C10M2207/0406 ,  C10M2209/04 ,  C10M2209/043 ,  C10M2209/103 ,  C10N2230/02 ,  C10N2240/30 ,  F25B1/00 ,  F25B13/00

摘要： The refrigerator oil of the present invention contains an oxygen-containing base oil and a viscosity index improver, and has a viscosity index (VI) of 200 or more and a volume resistivity of 1×109 Ωm or more.

公开(公告)号：US20170335231A1

公开(公告)日：2017-11-23

申请号：US15533136

申请日：2015-08-12

申请人： IDEMITSU KOSAN CO., LTD.

发明人： Shinji AOKI ,  Tadashi KISEN

IPC分类号： C10M169/04 ,  C10M105/36 ,  C10M145/30

CPC分类号： C10M169/041 ,  C10M105/36 ,  C10M145/30 ,  C10M2207/0406 ,  C10M2207/2825 ,  C10M2207/2845 ,  C10M2207/2855 ,  C10M2209/084 ,  C10M2209/103 ,  C10M2209/1033 ,  C10M2209/1045 ,  C10M2209/105 ,  C10N2230/00 ,  C10N2230/02 ,  C10N2230/68 ,  C10N2240/02 ,  C10N2240/04 ,  C10N2240/08 ,  C10N2220/022 ,  C10M2209/108 ,  C10M2209/109

摘要： A lubricating oil composition prepared by blending a base oil (A) containing a compound (A1) that is an ester or ether and has two or more aromatic rings, with a polyalkylene glycol (B) is provided. The lubricating oil composition has a high density (i.e., a high bulk modulus), a high viscosity index, and excellent shear stability.

公开(公告)号：US20170260473A1

公开(公告)日：2017-09-14

申请号：US15603603

申请日：2017-05-24

申请人： IDEMITSU KOSAN CO., LTD.

发明人： Tadashi KISEN ,  Tomoya MATSUMOTO

IPC分类号： C10M107/32 ,  C09K5/04 ,  C10M171/00

CPC分类号： C10M107/32 ,  C09K5/045 ,  C09K2205/122 ,  C09K2205/24 ,  C10M171/008 ,  C10M2209/04 ,  C10M2209/043 ,  C10M2209/1033 ,  C10M2209/1045 ,  C10M2209/1055 ,  C10N2220/021 ,  C10N2220/302 ,  C10N2230/02 ,  C10N2230/06 ,  C10N2240/30

摘要： The present invention is a lubricating oil for compression-type refrigerators using a difluoromethane (R32) refrigerant. The lubricating oil for compression-type refrigerators contains a first polyvinyl ether compound that is a polymer having a structural unit of a specific structure and has a carbon/oxygen molar ratio of from 3.0 to less than 4.0.