Patents by Inventor Ayano ASANO

Ayano ASANO has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240101759
    Abstract: The present invention provides a fluorine-containing ether compound represented by the following Formula. R1-[B]-[A]-CH2—R2—CH2-[C]-[D]-R3 (R2 is a perfluoropolyether chain; [A] is Formula (2-1); [B] is Formula (2-2); [C] is Formula (3-1); [D] is Formula (3-2); R3 is Formula (4); and R1 is a terminal group.
    Type: Application
    Filed: December 13, 2021
    Publication date: March 28, 2024
    Applicant: Resonac Corporation
    Inventors: Daisuke YAGYU, Tsuyoshi KATO, Naoya FUKUMOTO, Ayano ASANO, Masaki NANKO, Yutaka TANJI, Shoko UETAKE
  • Publication number: 20240043612
    Abstract: A fluorine-containing ether compound represented by the following formula is provided. R1—CH2—R2—CH2—R3—CH2—R4—CH2—R5 (In the formula, R3 is a divalent organic group containing at least one polar group and an alicyclic structure having 3 to 13 carbons, and does not contain a perfluoropolyether chain, R2 and R4 are perfluoropolyether chains, and R1 and R5 are terminal groups containing two or three polar groups, in which individual polar groups are bound to different carbon atoms and the carbon atoms to which the polar groups are bound are bound to each other via a linking group containing a carbon atom to which the polar groups are not bound.
    Type: Application
    Filed: November 17, 2021
    Publication date: February 8, 2024
    Applicant: Resonac Corporation
    Inventor: Ayano ASANO
  • Patent number: 11879109
    Abstract: A fluorine-containing ether compound represented by the following formula (1). R1—R2—CH2—R3—CH2—R4??(1) (R1 is an organic group having an alicyclic structure having 3 to 13 carbon atoms; R2 is represented by the following formula (2), and a in the formula (2) is an integer of 1 to 3; R3 is a perfluoropolyether chain; and R4 is a terminal group having two or three polar groups, in which individual polar groups bond to different carbon atoms and the carbon atoms to which the polar groups bond are bonded to each other through a linking group having a carbon atom to which the polar groups do not bond.
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: January 23, 2024
    Assignee: RESONAC CORPORATION
    Inventor: Ayano Asano
  • Publication number: 20240002743
    Abstract: What is provided is a fluorine-containing ether compound represented by the following formula. R1—R2—O—CH2—R3—CH2—O—R4—R5 (R3 is a perfluoropolyether chain; R2 is represented by Formula (2), R4 is represented by Formula (3), R1 and R5 are hydrogen atoms or Formula (4); a and b in Formula (2) are an integer of 0 to 2, c in Formula (2) is an integer of 2 to 5, d and e in Formula (3) are an integer of 0 to 2, f in Formula (3) is an integer of 2 to 5; at least one of b in Formula (2) and e in Formula (3) is 1 or more; and k in Formula (4) is an integer of 3 to 6.
    Type: Application
    Filed: June 7, 2021
    Publication date: January 4, 2024
    Applicant: SHOWA DENKO K.K.
    Inventors: Tsuyoshi KATO, Ayano ASANO, Natsumi SHIBATA, Daisuke YAGYU, Takuma KURODA, Naoya FUKUMOTO
  • Patent number: 11820742
    Abstract: There is provided a fluorine-containing ether compound represented by the following formula. R1—R2—CH2—R3—CH2—OCH2CH(OH)CH2O—CH2—R3—CH2—R4—R5 (in the formula. R3 represents a perfluoropolyether chain; R2 and R4 represent a divalent linking group having a polar group; R1 and R5 represent a terminal group bonded to an oxygen atom of R2 or R4; and at least one of R1 and R5 is any one selected from the group consisting of an alkenyl group having 2 to 8 carbon atoms, an alkynyl group having 3 to 8 carbon atoms, an aromatic hydrocarbon-containing group, and an aromatic heterocycle-containing group).
    Type: Grant
    Filed: December 17, 2020
    Date of Patent: November 21, 2023
    Assignee: Resonac Corporation
    Inventors: Naoya Fukumoto, Tsuyoshi Kato, Katsumi Murofushi, Daisuke Yagyu, Shunya Suzuki, Ayano Asano
  • Publication number: 20230115042
    Abstract: A fluorine-containing ether compound represented by a formula (1) shown below. R1—(O(CH2)a)b-[A]-[B]—O—CH2—R2—CH2—R3??(1) (In the formula (1), R1 is an alkyl group which may have a substituent, or an organic group having at least one double bond or triple bond. Further, a represents an integer of 2 to 4, and b is 0 or 1. [A] is represented by a formula (2): —(OCH2CH(OH)CH2)c— (wherein c is 1 or 2). [B] is represented by a formula (3): —(O(CH2)eCH(OH)CH2)d— (wherein d is 0 or 1, and e represents an integer of 2 to 4). However, the sum of c in the formula (2) and d in the formula (3) is 2. R2 is a perfluoropolyether chain. R3 is represented by a formula (4): —(OCH2CH(OH)CH2)2—O—CH2(CH2)fOH (wherein f represents an integer of 2 to 5).
    Type: Application
    Filed: February 2, 2021
    Publication date: April 13, 2023
    Applicant: SHOWA DENKO K.K.
    Inventors: Daisuke YAGYU, Tsuyoshi KATO, Ayano ASANO, Natsumi SHIBATA, Naoya FUKUMOTO
  • Publication number: 20230099918
    Abstract: There is provided a fluorine-containing ether compound represented by the following formula. R1—R2—CH2—R3—CH2—OCH2CH(OH)CH2O—CH2—R3—CH2—R4—R5 (in the formula. R3 represents a perfluoropolyether chain; R2 and R4 represent a divalent linking group having a polar group; R1 and R5 represent a terminal group bonded to an oxygen atom of R2 or R4; and at least one of R1 and R5 is any one selected from the group consisting of an alkenyl group having 2 to 8 carbon atoms, an alkynyl group having 3 to 8 carbon atoms, an aromatic hydrocarbon-containing group, and an aromatic heterocycle-containing group).
    Type: Application
    Filed: December 17, 2020
    Publication date: March 30, 2023
    Applicant: SHOWA DENKO K.K.
    Inventors: Naoya FUKUMOTO, Tsuyoshi KATO, Katsumi MUROFUSHI, Daisuke YAGYU, Shunya SUZUKI, Ayano ASANO
  • Publication number: 20230002696
    Abstract: This fluorine-containing ether compound is represented by formula (1) shown below. R1—CH2—R2—CH2—R3??(1) In formula (1), R2 is a perfluoropolyether chain represented by a formula (2) shown below. R1 is a terminal group that is bonded to R2 via a CH2 group, and is represented by a formula (3) shown below. R3 is bonded to R2 via a CH2 group, is a terminal group having at least one hydroxyl group, and may be the same as, or different from, R1. —(CF2)p-1—O—((CF2)pO)q—(CF2)p-1—??(2) In formula (2), p represents an integer of 2 to 3, and q indicates the average polymerization degree and is a number within a range from 1 to 20. —O(CH2—CH(OH)—CH2—O)2—CH2—(CH2)n,—OH??(3) In formula (3), n represents an integer of 1 to 8.
    Type: Application
    Filed: November 6, 2020
    Publication date: January 5, 2023
    Applicant: SHOWA DENKO K.K.
    Inventors: Tsuyoshi KATO, Ayano ASANO, Natsumi SHIBATA, Daisuke YAGYU
  • Publication number: 20220372390
    Abstract: A fluorine-containing ether compound represented by the following formula (1). R1—R2—CH2—R3—CH2—R4??(1) (R1 is an organic group having an alicyclic structure having 3 to 13 carbon atoms; R2 is represented by the following formula (2), and a in the formula (2) is an integer of 1 to 3; R3 is a perfluoropolyether chain; and R4 is a terminal group having two or three polar groups, in which individual polar groups bond to different carbon atoms and the carbon atoms to which the polar groups bond are bonded to each other through a linking group having a carbon atom to which the polar groups do not bond.
    Type: Application
    Filed: September 8, 2020
    Publication date: November 24, 2022
    Applicant: SHOWA DENKO K.K.
    Inventor: Ayano ASANO