公开(公告)号：US20210002573A1

公开(公告)日：2021-01-07

申请号：US17040887

申请日：2019-03-27

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Kenichi OGATA ,  Akio KOJIMA ,  Takeshi IWASAKI

IPC: C10M105/34 ,  C10M105/20 ,  C10M169/04

Abstract: Provided are: a lubricant base oil capable of achieving both a high traction coefficient and an excellent low-temperature fluidity at a higher level and having a high flash point, which contains a ring-containing compound having at least (i) a crosslinked bicyclic ring where two rings are bonded while sharing 3 or more carbon atoms, and (ii) an acyloxy group or a hydrocarbyloxycarbonyl group each containing a branched hydrocarbon group with a main chain having 4 or more carbon atoms, a lubricating oil composition containing the lubricant base oil, and a continuously variable transmission using the lubricating oil composition.

公开(公告)号：US20150322233A1

公开(公告)日：2015-11-12

申请号：US14804482

申请日：2015-07-21

Applicant: IDEMITSU KOSAN CO. LTD.

Inventor： Takeshi IWASAKI ,  Daichi OGAWA ,  Yutaka OBATA ,  Tomoaki TAKEBE

IPC: C08K3/22 ,  H01L33/60

Abstract: Provided is a (meth)acrylate composition containing: (A) at least one (meth)acrylate compound selected from the group consisting of a (meth)acrylate-modified silicone oil, a (meth)acrylate having a long-chain aliphatic hydrocarbon group, and a polyalkylene glycol (meth)acrylate having number-average molecular weight of not less than 400; (B) a (meth)acrylate compound to which an alicyclic hydrocarbon group having 6 or more carbon atoms is ester-linked; (C) (meth)acrylic acid or a (meth)acrylate compound having a polar group; (D) a radical polymerization initiator; and (E) a white pigment.

Abstract translation: 本发明提供一种（甲基）丙烯酸酯组合物，其含有：（A）至少一种选自（甲基）丙烯酸酯改性的硅油，具有长链脂肪族烃基的（甲基）丙烯酸酯）的（甲基）丙烯酸酯化合物 ，和数均分子量不小于400的聚亚烷基二醇（甲基）丙烯酸酯; （B）具有6个或更多个碳原子的脂环族烃基被酯连接的（甲基）丙烯酸酯化合物; （C）（甲基）丙烯酸或具有极性基团的（甲基）丙烯酸酯化合物; （D）自由基聚合引发剂; 和（E）白色颜料。

公开(公告)号：US20210002572A1

公开(公告)日：2021-01-07

申请号：US16979314

申请日：2019-02-28

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yoji SUNAGAWA ,  Takeshi IWASAKI

IPC: C10M105/02 ,  C10M105/34

Abstract: To provide a lubricating oil composition achieving both of high traction coefficient and excellent low temperature fluidity at a higher level and having a high flash point, which contains a naphthene-based synthetic oil (A) having a flash point of 140° C. or higher, a longifolene (B), and a predetermined monoester-based synthetic oil (C), a method for producing the lubricating oil composition, and a continuously variable transmission using the lubricating oil composition.

公开(公告)号：US20200157457A1

公开(公告)日：2020-05-21

申请号：US16634283

申请日：2018-10-02

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Takeshi IWASAKI

IPC: C10M141/10 ,  C10M137/04 ,  C10M135/04 ,  C10M137/02

Abstract: Disclosed are a gear oil composition for automobiles containing at least (A) a base oil, (B) a sulfur-based extreme pressure agent, and (C) a phosphorus-based extreme pressure agent and satisfying specific requirements (i) and (ii), which is excellent in seizing resistance and wear resistance and also in fuel-saving performance, and a lubrication method using the gear oil composition.

公开(公告)号：US20170203476A1

公开(公告)日：2017-07-20

申请号：US15321517

申请日：2015-06-22

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yutaka OBATA ,  Takeshi IWASAKI ,  Daichi OGAWA ,  Haruhiko MORI

IPC: B29C39/26 ,  C08K3/36 ,  H01L33/62 ,  C08K9/06 ,  H01L33/60 ,  H01L33/48 ,  B29C39/00 ,  C08K3/00

Abstract: A thermosetting composition comprising: (A) a (meth)acrylate compound having a viscosity at 25° C. of 1 to 300 mPa·s with which a substituted or unsubstituted aliphatic hydrocarbon group including 6 or more carbon atoms is ester-bonded; (B) spherical silica; and (C) a white pigment, and having a shear viscosity at 25° C. and 10 s−1 of 1 Pa·s or more and 500 Pa·s or less and a shear velocity at 25° C. and 100 s−1 of 0.3 Pa·s or more and 100 Pas or less:

公开(公告)号：US20200247019A1

公开(公告)日：2020-08-06

申请号：US16857215

申请日：2020-04-24

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yutaka OBATA ,  Takeshi IWASAKI ,  Daichi OGAWA ,  Haruhiko MORI

IPC: B29C39/26 ,  H01L33/60 ,  C08L33/04 ,  B29C45/02 ,  C08F20/10 ,  C08F292/00 ,  C08F2/44 ,  B29C45/14 ,  B29C45/54 ,  C08K3/36 ,  C08K3/013 ,  B29C39/00 ,  C08K9/06 ,  H01L33/48 ,  H01L33/62

Abstract: A thermosetting composition comprising: (A) a (meth)acrylate compound having a viscosity at 25° C. of 1 to 300 mPa·s with which a substituted or unsubstituted aliphatic hydrocarbon group including 6 or more carbon atoms is ester-bonded; (B) spherical silica; and (C) a white pigment, and having a shear viscosity at 25° C. and 10 s−1 of 1 Pa·s or more and 500 Pa·s or less and a shear velocity at 25° C. and 100 s−1 of 0.3 Pa·s or more and 100 Pa·s or less:

公开(公告)号：US20200208071A1

公开(公告)日：2020-07-02

申请号：US16633034

申请日：2019-01-28

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yoji SUNAGAWA ,  Takeshi IWASAKI

IPC: C10M105/04 ,  C10M105/34 ,  C10M105/38 ,  C10M169/04

Abstract: To provide a lubricating oil composition achieving both of high traction coefficient and excellent low temperature fluidity at a higher level and having a high flash point, which contains a naphthene-based synthetic oil (a) having a flash point of 140° C. or higher, and an ester (b) having 5 to 32 carbon atoms and having a branched chain, wherein the content of the naphthene-based synthetic oil (a) based on the total amount of the composition is 35% by mass or more and less than 80% by mass, a method for producing the lubricating oil composition, and a continuously variable transmission using the lubricating oil composition.