公开(公告)号：US11279664B2

公开(公告)日：2022-03-22

申请号：US16082349

申请日：2017-01-30

Applicant: SHOWA DENKO K.K.

Inventor： Daisuke Yagyu ,  Yuta Yamaguchi ,  Naoya Fukumoto ,  Tsuyoshi Kato ,  Shoko Uetake ,  Hiroyuki Tomita ,  Ryuuta Miyasaka ,  Naoko Ito ,  Ichiro Ota ,  Katsumi Murofushi

IPC: C07C43/23 ,  C10M105/54 ,  G11B5/725 ,  C10M107/38 ,  C07C43/178 ,  C07D277/24 ,  C07D303/26 ,  C07D333/16 ,  C07D409/12 ,  G11B5/733 ,  C10N30/06 ,  C10N40/18 ,  C10N50/00

Abstract: The present invention relates to a fluorine-containing ether compound represented by Formula (1), R1—R2—CH2—R3—CH2—R4  (1). (In Formula (1), R1 is an end group including an organic group having at least one double bond or triple bond, R2 is a divalent linking group bonded to R1 by etheric oxygen, R3 is a perfluoropolyether chain, R4 is an end group having two or three polar groups with each polar group being bonded to different carbon atoms, and the carbon atoms, to which the polar groups are bonded, being bonded to each other via a linking group including carbon atoms to which the polar groups are not bonded.)

公开(公告)号：US11767483B2

公开(公告)日：2023-09-26

申请号：US17274466

申请日：2019-08-28

Applicant: SHOWA DENKO K.K.

Inventor： Daisuke Yagyu ,  Naoya Fukumoto ,  Tsuyoshi Kato ,  Katsumi Murofushi

IPC: C10M107/38 ,  G11B5/725 ,  C08G65/22 ,  C08G65/331 ,  G11B5/72 ,  C10N40/18 ,  C10N50/08

CPC classification number: C10M107/38 ,  C08G65/226 ,  C08G65/331 ,  G11B5/7257 ,  G11B5/7266 ,  C10M2213/043 ,  C10N2040/18 ,  C10N2050/08

Abstract: The fluorine-containing ether compound is represented by the following formula (1): R1—R2—CH2—R3—CH2—R4. In the formula (1), R1 is represented by the following formula (2), R2 is represented by the following formula (3), R3 is a perfluoropolyether chain, and R4 is an organic end group different from R1—R2— and contains two or three polar groups, wherein each polar group is bonded to a different carbon atom, and the carbon atoms to which the polar groups are bonded are bonded to one another via a linking group containing a carbon atom to which the polar group is not bonded. In the formula (2), R5 is an alkoxy group selected from the group consisting of a methoxy, an ethoxy and a propoxy group. In the formula (3), w is 2 or 3.

公开(公告)号：US11225624B2

公开(公告)日：2022-01-18

申请号：US16643989

申请日：2018-08-07

Applicant: SHOWA DENKO K.K.

Inventor： Tsuyoshi Kato ,  Daisuke Yagyu ,  Naoya Fukumoto ,  Yuta Yamaguchi

IPC: C10M105/54 ,  G11B5/725 ,  C10M107/38 ,  G11B5/82 ,  C10N40/18 ,  C10N50/00 ,  C10N20/04 ,  C10N50/02 ,  C10N30/06

Abstract: A fluorine-containing ether compound represented by Formula (1) is provided, R1—R2—CH2—R3—CH2—R4  (1) (In Formula (1), R1 is an alkyl group that may have a substituent, R2 is a divalent linking group bonded to R1 via an ethereal oxygen, R3 is a perfluoropolyether chain, and R4 is an end group which is different from R1-R2 and includes two or three polar groups, in which each of the polar groups is bonded to a different carbon atom, and the carbon atoms bonded to the polar groups are bonded to each other via a linking group containing a carbon atom not bonded to the polar groups.).

公开(公告)号：US11011200B2

公开(公告)日：2021-05-18

申请号：US15640729

申请日：2017-07-03

Applicant: SHOWA DENKO K.K.

Inventor： Shoko Uetake ,  Naoya Fukumoto ,  Daisuke Yagyu ,  Yuta Yamaguchi ,  Naoko Ito ,  Hiroyuki Tomita ,  Ryuta Miyasaka ,  Katsumi Murofushi

IPC: G11B5/725 ,  C10M107/38 ,  C07C43/13 ,  C07C43/23 ,  C10M105/54 ,  C10N30/06 ,  C10N40/18 ,  C10N50/00 ,  C07D303/28

Abstract: This fluorine-containing ether compound is represented by Formula (1). R1—R2—CH2—R3—CH2—R4—R5  (1) (in Formula (1), R1 is an aryl group or an aralkyl group, R2 is a divalent linking group having 0 or 1 polar group, R3 is a perfluoropolyether chain, R4 is a divalent linking group having 2 or 3 polar groups, and R5 is an aryl group or an aralkyl group.)

公开(公告)号：US11661408B2

公开(公告)日：2023-05-30

申请号：US17274702

申请日：2019-08-28

Applicant: SHOWA DENKO K.K.

Inventor： Daisuke Yagyu ,  Naoya Fukumoto ,  Tsuyoshi Kato ,  Katsumi Murofushi

IPC: C07D333/16 ,  G11B5/725 ,  C10M107/38 ,  G11B5/72 ,  C10N40/18

CPC classification number: C07D333/16 ,  C10M107/38 ,  G11B5/7257 ,  G11B5/7266 ,  C10N2040/18

Abstract: The fluorine-containing ether compound is represented by the following formula (1): R1—R2—CH2—R3—CH2—R4. In the formula (1), R1 is represented by the following formula (2), R2 is represented by the following formula (3), R3 is a perfluoropolyether chain, and R4 is an organic end group different from R1—R2— and contains two or three polar groups, wherein each polar group is bonded to a different carbon atom, and the carbon atoms to which the polar groups are bonded are bonded to one another via a linking group containing a carbon atom to which the polar group is not bonded. In the formula (2), r is 1 to 3. In the formula (3), w is 2 or 3.

公开(公告)号：US11427779B2

公开(公告)日：2022-08-30

申请号：US16480483

申请日：2018-01-05

Applicant: SHOWA DENKO K.K.

Inventor： Yuta Yamaguchi ,  Daisuke Yagyu ,  Naoya Fukumoto ,  Shoko Uetake ,  Tsuyoshi Kato ,  Hiroyuki Tomita ,  Ryuuta Miyasaka ,  Katsumi Murofushi

IPC: C10M107/46 ,  G11B5/72 ,  G11B5/725 ,  C10N40/18 ,  C07D213/68 ,  C07D231/12 ,  C07D277/24 ,  C07D333/16 ,  C07D409/12 ,  C08G65/333 ,  C08G65/334 ,  C10M107/44

Abstract: A fluorine-containing ether compound represented by Formula (1) is provided. R1—R2—CH2—R3—CH2—R4—R5   (1) (In Formula (1), R1 and R5 each represents a group having a heterocyclic ring and may be the same as or different from each other, R2 and R4 each represents a divalent linking group having a polar group and play be the same as or different from each other, and R3 represents a perfluoropolyether chain.)

公开(公告)号：US11220649B2

公开(公告)日：2022-01-11

申请号：US16480464

申请日：2017-12-04

Applicant: SHOWA DENKO K.K.

Inventor： Naoya Fukumoto ,  Daisuke Yagyu ,  Yuta Yamaguchi ,  Shoko Uetake ,  Tsuyoshi Kato ,  Hiroyuki Tomita ,  Ryuuta Miyasaka ,  Katsumi Murofushi

IPC: C10M105/54 ,  C07C43/178 ,  G11B5/725 ,  C08G65/331 ,  C10M107/38 ,  C10N20/04 ,  C10N30/06 ,  C10N50/00 ,  C10N40/18

Abstract: A fluorine-containing ether compound represented by Formula (1) is provided; R1—R2—CH2—R3—CH2—R4—R5  (1) (In Formula (1), R1 and R5 may be the same as or different from each other and each represents an alkenyl group having 2 to 8 carbon atoms or an alkynyl group having 3 to 8 carbon atoms, R2 and R4 may be the same as or different from each other and each represents a divalent linking group having a polar group, and R3 represents a perfluoropolyether chain, with a proviso that R1 and R2 are, and R4 and R5 are divided due to the presence of an atom other than the carbon atom such as an oxygen atom).

公开(公告)号：US11045471B2

公开(公告)日：2021-06-29

申请号：US16820773

申请日：2020-03-17

Applicant: SHOWA DENKO K.K.

Inventor： Daisuke Yagyu ,  Yuko Nakagami ,  Ryota Niibayashi ,  Eiko Kato

IPC: A61K31/513 ,  A61Q19/02 ,  A61Q19/08 ,  A61P17/16 ,  A61K8/49

Abstract: The present invention provides an agent containing an orotic acid derivative that has high solubility in solvent and has superior physiological activity. The agent of the present invention is a melanin production inhibitor, whitening agent, fibroblast activator, collagen and/or elastin production promoter or wrinkle ameliorant containing as an active ingredient thereof an orotic acid derivative represented by the following general formula (1) or a salt thereof. In formula (1), R preferably represents a side chain of glutamic acid, glycine, histidine or aspartic acid. [In formula (1), R represents a side chain of a naturally-occurring amino acid and R may form, together with a nitrogen atom adjacent thereto through a single carbon atom, a hetero ring.]

公开(公告)号：US11180457B2

公开(公告)日：2021-11-23

申请号：US16759515

申请日：2018-08-28

Applicant: SHOWA DENKO K.K.

Inventor： Tsuyoshi Kato ,  Daisuke Yagyu ,  Naoya Fukumoto ,  Yuta Yamaguchi ,  Masumi Kuritani ,  Katsumi Murofushi ,  Masaki Nanko ,  Hiroyuki Tomita

IPC: C07D231/12 ,  C07D277/24 ,  C07D333/16 ,  C10M107/24 ,  C10M107/38 ,  C10M107/40 ,  C10M107/46 ,  G11B5/725

Abstract: Provided is a fluorine-containing ether compound capable of forming a lubricant layer having excellent wear resistance even when the thickness is thin, and suitable as a material of a lubricant for a magnetic recording medium. The fluorine-containing ether compound is a compound represented by the following formula (1): R1—R2—CH2—R3—CH2—R4—R5; wherein R3 is a perfluoropolyether chain; R1 is a terminal group bonded to R2; R5 is a terminal group bonded to R4; R1 is an alkenyl group or an alkynyl group; R5 is a group containing a heterocyclic ring; R2 is represented by the following formula (2); R4 is represented by the following formula (3); and a in the formula (2) and b in the formula (3) are each independently an integer of 1 to 3.

公开(公告)号：US10803898B2

公开(公告)日：2020-10-13

申请号：US15664013

申请日：2017-07-31

Applicant: SHOWA DENKO K.K.

Inventor： Naoya Fukumoto ,  Daisuke Yagyu ,  Yuta Yamaguchi ,  Shoko Uetake ,  Tsuyoshi Kato ,  Hiroyuki Tomita ,  Ryuta Miyasaka ,  Katsumi Murofushi

IPC: G11B5/66 ,  G11B5/725 ,  C07D303/28 ,  C07D303/18 ,  C07C43/11 ,  C10M147/04 ,  C08G65/00 ,  C07C43/13 ,  C08G65/26 ,  C10M105/54 ,  C10N20/04 ,  C10N40/18 ,  C10N50/00

Abstract: A fluorine-containing ether compound of the present invention is represented by Formula (1). R1—CH2—R2—CH2—R3  (1) (In Formula (1), R1 is an organic end group having 3 or more carbon atoms which includes two or more polar groups with each polar group being bonded to different carbon atoms and the carbon atoms to which the polar groups are bonded being bonded to each other via a linking group including the carbon atoms which are not bonded to the polar groups, R2 includes a perfluoropolyether chain represented by Formula (3), and R3 is a hydroxyl group or R1) —(CF2)y−1—O—((CF2)yO)z—(CF2)y−1—  (3) (In Formula (3), y represents an integer of 2 to 4, and z represents an integer of 1 to 30).