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公开(公告)号：US10081701B2
公开(公告)日：2018-09-25
申请号：US14472663
申请日：2014-08-29
Applicant: FUJIFILM Corporation
Inventor： Toshihide Aoshima , Kazutoshi Katayama
IPC: C08G18/32 , C08G18/76 , C08G18/80 , C08G18/75 , C08G18/72 , G11B5/702 , C07C271/40 , C07C271/42 , C07C271/56 , C07C271/58
CPC classification number: C08G18/3215 , C07C271/40 , C07C271/42 , C07C271/56 , C07C271/58 , C08G18/724 , C08G18/755 , C08G18/757 , C08G18/7621 , C08G18/7642 , C08G18/8016 , C08G18/8019 , C08G18/8025 , C08G18/8029 , G11B5/7021
Abstract: An aspect of the present invention relates to a composition, which is a composition for a magnetic recording medium and comprises an isocyanate compound in the form of an adduct of a polyhydroxyl compound having one or more aromatic carbon rings and three or more hydroxyl groups per molecule with a polyisocyanate having two or more isocyanate groups per molecule.
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2.发明授权公开(公告)号：US12078929B2
公开(公告)日：2024-09-03
申请号：US17336335
申请日：2021-06-02
Applicant: FUJIFILM Corporation
Inventor： Toshihide Aoshima , Kenta Yamazaki
IPC: G03F7/004 , G03F7/029 , G03F7/031 , G03F7/032 , G03F7/037 , G03F7/038 , G03F7/11 , G03F7/20 , G03F7/32 , G03F7/40
CPC classification number: G03F7/0042 , G03F7/0045 , G03F7/029 , G03F7/031 , G03F7/032 , G03F7/0387 , G03F7/11 , G03F7/2002 , G03F7/325 , G03F7/40
Abstract: There are provided a photosensitive resin composition containing at least one precursor selected from the group consisting of a polyimide precursor and a polybenzoxazole precursor, a compound having a sulfurous ester structure, and a photoradical polymerization initiator, and satisfies at least one of the following conditions 1, . . . , or 3; a pattern forming method using a photosensitive film formed from the photosensitive resin composition; a cured film formed from the photosensitive resin composition; a laminate including the cured film; and a device having the cured film or the laminate.
the condition 1: the precursor contains a radically polymerizable group,
the condition 2: the compound having a sulfurous ester structure contains a radically polymerizable group, and
the condition 3: the photosensitive resin composition further contains a compound containing a radically polymerizable group, other than the precursor and the compound having a sulfurous ester structure.-
公开(公告)号：US10586565B2
公开(公告)日：2020-03-10
申请号：US15474504
申请日：2017-03-30
Applicant: FUJIFILM Corporation
Inventor： Toshihide Aoshima , Mika Imamura , Shinji Tsujimoto
Abstract: The magnetic recording medium contains, in a magnetic layer, a fatty acid ester and a polyester resin having a number average molecular weight of greater than or equal to 1,000 but less than 20,000, and containing a structural unit derived from a polyvalent carboxylic acid and a structural unit derived from a polyol, as well as 10 mol % to 50 mol % of a structural unit, derived from a cyclic polyvalent carboxylic acid selected from the group consisting of an alicyclic polyvalent carboxylic acid and an aromatic polyvalent carboxylic acid, per 100 mol % of a combined total of the above structural units, and one or more partial structures selected from the group consisting of the following partial structures: wherein each of L1 and L2 independently denotes a divalent connecting group, and each of Z1 and Z2 independently denotes a monovalent group denoted by —OM or a monovalent group denoted by —O−A+.
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公开(公告)号：US09984711B2
公开(公告)日：2018-05-29
申请号：US14869014
申请日：2015-09-29
Applicant: FUJIFILM CORPORATION
Inventor： Toshihide Aoshima , Wataru Kikuchi , Kazutoshi Katayama , Tatsuo Mikami
CPC classification number: G11B5/7013
Abstract: The magnetic recording medium comprises a magnetic layer comprising ferromagnetic powder and binder on a nonmagnetic support, and further comprises a compound denoted by Formula (1): wherein, in Formula (1), X denotes —O—, —S—, or NR1—; each of R and R1 independently denotes a hydrogen atom or a monovalent substituent; L denotes a divalent connecting group; Z denotes a partial structure of valence n comprising at least one group selected from the group consisting of carboxyl groups and carboxylate groups; m denotes an integer of greater than or equal to 2, and n denotes an integer of greater than or equal to 1.
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公开(公告)号：US09761261B2
公开(公告)日：2017-09-12
申请号：US14673144
申请日：2015-03-30
Applicant: FUJIFILM Corporation
Inventor： Toshihide Aoshima , Wataru Kikuchi , Kazutoshi Katayama , Tatsuo Mikami
CPC classification number: G11B5/7021 , G11B5/7013 , G11B5/7023 , G11B5/714
Abstract: An aspect of the present invention relates to a magnetic recording medium, which comprises a magnetic layer comprising ferromagnetic powder and binder on a nonmagnetic support, wherein the magnetic layer further comprises a compound which has a weight average molecular weight of equal to or more than 1,000 but less than 20,000 and is denoted by formula (1): wherein, in formula (1), A1 denotes a monovalent polymer group, each of R1 and R2 independently denotes a single bond or a divalent connecting group, R11 denotes a hydrogen atom or a monovalent substituent, m denotes an integer of equal to or greater than 2, multiple instances of R1, R2, A1, and R11 that are present can be identical or different, A2 denotes a hydrogen atom or a monovalent substituent denoted by —OR3—Z, R3 denotes a single bond or a divalent connecting group, Z denotes a monovalent acid group, among multiple instances of A2 that are present, at least one denotes a monovalent group denoted by —O—R3—Z, and X denotes a connecting group of valence m.
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Patent Agency Ranking
6.发明授权Magnetic recording medium and magnetic coating composition for magnetic recording medium 有权用于磁记录介质的磁记录介质和磁性涂料组合物公开(公告)号：US09562167B2
公开(公告)日：2017-02-07
申请号：US14673205
申请日：2015-03-30
Applicant: FUJIFILM Corporation
Inventor： Wataru Kikuchi , Toshihide Aoshima , Kazutoshi Katayama , Tatsuo Mikami
CPC classification number: C09D127/06 , C08G18/4269 , C08G18/791 , G11B5/7013 , G11B5/714 , C08K5/3492 , C08L27/04
Abstract: An aspect of the present invention relates to a magnetic recording medium, which comprises a magnetic layer comprising ferromagnetic powder and binder on a nonmagnetic support, wherein the magnetic layer further comprises a compound which has a weight average molecular weight of equal to or more than 1,000 but less than 20,000 and is denoted by formula (1): wherein, in formula (1), A denotes a monovalent substituent, R1 denotes a single bond or a divalent connecting group, and m denotes an integer ranging from 2 to 4, multiple instances of A and R1 that are present can be identical or different, at least one of the multiple instances of A that are present denotes a monovalent polymer group and X denotes a heterocyclic group of valence m.
Abstract translation: 本发明的一个方面涉及一种磁记录介质，其包括在非磁性载体上包含铁磁粉末和粘合剂的磁性层，其中所述磁性层还包含重均分子量等于或大于1,000的化合物 但小于20,000，由式（1）表示：其中，在式（1）中，A表示一价取代基，R1表示单键或二价连接基，m表示2〜4的整数，多元 存在的A和R1的实例可以相同或不同，存在的多个实例中的至少一个表示一价聚合物基团，X表示价数m的杂环基团。
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公开(公告)号：US09458264B2
公开(公告)日：2016-10-04
申请号：US14188055
申请日：2014-02-24
Applicant: FUJIFILM Corporation
Inventor： Toshihide Aoshima , Tomoaki Yoshioka , Shinya Suzuki , Hiroshi Kawakami
CPC classification number: C08F20/68 , C08J7/045 , C08J2367/02 , C08J2463/10 , Y10T428/1341
Abstract: The present invention provides a barrier laminate with enhanced heat resistance performance, comprising at least one organic layer and at least one inorganic barrier layer, the organic layer being formed by curing a polymerizable composition comprising a polymerizable compound having two or more polymerizable groups, and the total quantity of uncured component in the organic layer being 1.5 weight % or less of the total weight of the organic layer, and a novel polymerizable compound that can preferably used as the polymerizable compound, which is denoted by general formula (11): in general formula (11), R21 denotes hydrogen atom or methyl group; R22 denotes methyl group or cyclohexyl group; n denotes an integer of 0 to 2; and each instance of X denotes a group comprising a polymerizable group.
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公开(公告)号：US10535367B2
公开(公告)日：2020-01-14
申请号：US15280165
申请日：2016-09-29
Applicant: FUJIFILM Corporation
Inventor： Mika Imamura , Toshihide Aoshima , Isamu Watanabe
Abstract: The metal oxide particle dispersion for manufacturing a particulate magnetic recording medium contains metal oxide particles, solvent, and a polyester compound having one or more groups selected from the group consisting of a carboxyl group and a salt thereof, a phosphoric acid group and a salt thereof, a hydroxyl group and a nitrogen-substituted alkylene group, but substantially not containing ferromagnetic powder.
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公开(公告)号：US10043544B2
公开(公告)日：2018-08-07
申请号：US15258292
申请日：2016-09-07
Applicant: FUJIFILM Corporation
Inventor： Yoichi Hosoya , Toshihide Aoshima
Abstract: The magnetic recording medium has a magnetic layer containing ferromagnetic powder and binder on a nonmagnetic support, wherein the ferromagnetic powder is hexagonal ferrite powder containing, based on number of particles, greater than or equal to 80% isotropic particles that satisfy the relation 1: major axis length/minor axis length
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10.发明授权公开(公告)号：US09934809B2
公开(公告)日：2018-04-03
申请号：US15079206
申请日：2016-03-24
Applicant: FUJIFILM Corporation
Inventor： Toshihide Aoshima , Reiko Inushima , Mika Imamura , Tatsuo Mikami
CPC classification number: G11B5/7013 , G11B5/7028 , G11B5/714
Abstract: The magnetic recording medium composition contains ferromagnetic powder, binder, and a crosslinkable component selected from the group consisting of a component capable of forming a crosslinking structure by a radical reaction, a component capable of forming a crosslinking structure by an ionic reaction, and a component capable of forming a crosslinking structure by a pericyclic reaction, wherein the crosslinkable component contains at least polyester, and the polyester has a weight average molecular weight ranging from 1,000 to 20,000, as well as contains, per molecule, one or more acidic groups, and one or more reactive groups selected from the group consisting of a radical reactive group, an ionic reactive group, and a pericyclic reactive group.
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