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公开(公告)号：US20180021738A1
公开(公告)日：2018-01-25
申请号：US15646282
申请日：2017-07-11
Inventor： Shigenori FUJIKAWA , Selyanchyn ROMAN , Takahiro SENZAKI , Takuya NOGUCHI , Toshiyuki OGATA
CPC classification number: B01D71/44 , B01D53/228 , B01D67/0083 , B01D67/0093 , B01D71/70 , B01D2323/30 , C08G77/16 , C08G77/18 , C08G77/20 , C08G77/398 , C08G77/58 , C08L43/04
Abstract: The present invention provides a gas-permeable membrane comprising a partial structure represented by formula (I) or formula (II), (wherein R1 and R2 each independently represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, an alkenyl group having 2 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, an alkenyloxy group having 2 to 6 carbon atoms, an aryl group or an aryloxy group, M1, M2 and M3 each independently represents a metal atom, m1 represents an integer, n1, n2 and n3 each independently represents an integer of 1 to 3, * represents a bonding hand), a composition for forming the gas-permeable membrane and a production process of the gas-permeable membrane.
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公开(公告)号：US20190127541A1
公开(公告)日：2019-05-02
申请号：US16172956
申请日：2018-10-29
Applicant: Tokyo Ohka Kogyo Co., Ltd.
Inventor： Takashi KAMIZONO , Takahiro SENZAKI , Takuya NOGUCHI
IPC: C08J7/04 , C09D133/06 , C09D7/20
Abstract: To provide a surface treatment liquid capable of making a base material including polyorganosiloxane on at least a part of a surface thereof hydrophilic stably over a long period of time, and provide a surface treatment method using the surface treatment liquid. In a surface treatment liquid including (A) resin and a (B) solvent, as the (A) resin, resin having a functional group I that is a hydroxyl group and/or a cyano group is used, and a functional group II that is a hydrophilic group other than the functional group I, and a ratio of a structural unit having an anionic group to total structural units of the (A) resin is 5 mol % or less, or resin including a cationic group including an anion moiety and a cation moiety that can be bonded to the (A) resin is used.
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公开(公告)号：US20170203559A1
公开(公告)日：2017-07-20
申请号：US15394211
申请日：2016-12-29
Applicant: TOKYO OHKA KOGYO CO., LTD.
Inventor： Takuya NOGUCHI , Takahiro SENZAKI , Toshiyuki OGATA
CPC classification number: B32B7/12 , B01D53/22 , B01D67/0009 , B01D67/0013 , B01D69/02 , B01D69/10 , B01D69/12 , B01D71/48 , B01D71/64 , B01D2325/04 , B29C41/02 , B29C41/44 , B29L2031/14 , B32B3/26 , B32B27/06 , B32B27/08 , B32B27/281 , B32B27/286 , B32B27/30 , B32B27/34 , B32B37/26 , B32B2037/268 , B32B2250/02 , B32B2250/24 , B32B2270/00 , B32B2305/026 , B32B2307/54 , B32B2307/724 , B32B2307/726 , B32B2571/00
Abstract: After bringing a water-containing peeling liquid in contact with a thin flat film formed on a substrate, a support film including a cover film having one main surface thereof is laminated onto the flat film, such that the support film is in contact with the flat film, a cover film-attached laminate composed of a support film and a cover film is then separated from the substrate, and the laminate including the flat film and the support film is separated from the cover film-attached film.
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4.发明公开公开(公告)号：US20240270919A1
公开(公告)日：2024-08-15
申请号：US18430987
申请日：2024-02-02
Applicant: TOKYO OHKA KOGYO CO., LTD.
Inventor： Takuya NOGUCHI , Satoshi AKIYAMA
CPC classification number: C08J9/26 , C08J5/18 , C08J2201/0442 , C08J2377/00
Abstract: Provided are a composition for producing a porous film the composition enabling a decrease in a pore diameter of a produced porous film and improvement of a flow rate through the porous film, a method for producing a porous film, and a porous film. A composition for producing a porous film, the composition comprising at least one resin component (A) selected from a group consisting of polyamide acid, polyimide, a polyamide-imide precursor, polyamide-imide, and polyethersulfone, fine particles (B), and a solvent (S), the fine particles (B) comprising fine particles (B1) and fine particles (B2) having an average particle diameter larger than that of the fine particles (B1), the fine particles (B1) having an average particle diameter of smaller than 100 nm.
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公开(公告)号：US20200010689A1
公开(公告)日：2020-01-09
申请号：US16495249
申请日：2018-02-02
Applicant: TOKYO OHKA KOGYO CO., LTD.
Inventor： Takahiro SENZAKI , Takuya NOGUCHI , Takashi OHSAKA
IPC: C09D5/00 , C09D133/26 , C09D133/16 , C09D143/04
Abstract: The purpose of the present invention is to provide: a surface treatment liquid that is capable of favorably hydrophilizing or hydrophobing surfaces of an object to be treated without having to include a film forming resin; and a surface treatment method using the surface treatment liquid. The present invention provides a surface treatment liquid which comprises (A) a resin and (C) a solvent, wherein as (A) the resin, a resin is used which has a weight average molecular weight of 100000 or more and contains a functional group I which comprises one group or more selected from the group consisting of a hydroxyl group, a cyano group, and a carboxyl group, and a functional group II which is a hydrophilic group or a hydrophobic group other than the functional group I.
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Patent Agency Ranking
公开(公告)号：US20210362091A1
公开(公告)日：2021-11-25
申请号：US16639809
申请日：2018-08-03
Inventor： Takuya NOGUCHI , Takahiro SENZAKI , Toshiyuki OGATA , Toyoki KUNITAKE , Shigenori FUJIKAWA , Miho ARIYOSHI
Abstract: The present invention provides: a gas separation method which is capable of desirably separating a slight amount of a component from a mixed gas under mild conditions such that the pressure difference between both sides of a gas separation membrane is 1 atmosphere or less; and a gas separation membrane which is suitable for use in this gas separation method. According to the present invention, in a gas separation method wherein a specific gas (A) in a mixed gas, which contains the specific gas (A) at a concentration of 1,000 ppm by mass or less, is selectively permeated with use of a gas separation membrane, an extremely thin gas separation membrane that has a film thickness of 1 μm or less is used, so that the gas (A) is desirably separated under mild conditions such that the pressure difference between both sides of the gas separation membrane is 1 atmosphere or less.
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公开(公告)号：US20190329292A1
公开(公告)日：2019-10-31
申请号：US16468118
申请日：2017-12-08
Applicant: Tokyo Ohka Kogyo Co., Ltd.
Inventor： Takahiro SENZAKI , Takuya NOGUCHI
IPC: B05D7/00 , C08F220/12 , C08F220/56 , C08F226/06 , C09D201/02 , C09K3/18 , C05D1/00 , C08K5/42 , C09D133/16
Abstract: The present invention provides: a surface treatment liquid which is capable of performing good hydrophilization or hydrophobization of the surface of an object to be treated even if the surface treatment liquid does not contain a coating film-forming resin; and a surface treatment method which uses this surface treatment liquid, A surface treatment liquid, comprising a resin (A) and a solvent (C), and wherein a resin having a functional group I that is a nitrogen-containing heterocyclic group and a functional group II that is a functional group other than the functional group I and having one or more groups selected from among hydrophilic groups and hydrophobic groups, and comprising a constituent unit (a1) having the functional group I, and one or more constituent units selected from the group consisting of a constituent unit (a2) having a cationic group in a side chain, and a constituent unit (a3) having an anionic group in a side chain, is used as the resin (A).
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公开(公告)号：US20190127540A1
公开(公告)日：2019-05-02
申请号：US16172952
申请日：2018-10-29
Applicant: Tokyo Ohka Kogyo Co., Ltd.
Inventor： Takahiro SENZAKI , Takashi KAMIZONO , Takuya NOGUCHI
IPC: C08J7/04 , C09D179/02 , C09D201/06
Abstract: To provide a surface treatment method capable of successfully making a treatment target including polyimide on a surface thereof hydrophilic or hydrophobic with a safe operation; a two-liquid type surface treatment liquid that can be suitably used for the surface treatment method; and a surface-treated polyimide product that can be obtained by the above-described surface treatment method. A first resin having a primary amino group and/or a hydroxyl group, and a secondary amino group is bonded to a surface of a treatment target including polyimide on a surface thereof, and then a second resin having a (meth)acryloyl group and/or a carbamoyl group, a hydrophilic group and/or a hydrophobic group is bonded to the first resin.
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公开(公告)号：US20180304207A1
公开(公告)日：2018-10-25
申请号：US16025308
申请日：2018-07-02
Applicant: TOKYO OHKA KOGYO CO., LTD.
Inventor： Takuya NOGUCHI , Toshiyuki OGATA , Toyoki KUNITAKE , Shigenori FUJIKAWA
CPC classification number: B01D69/12 , B01D65/003 , B01D67/002 , B01D67/0034 , B01D69/10 , B01D71/46 , B01D2325/24
Abstract: A membrane filter including a thin film having a nanometer order thickness as a base, which is easy to increase in size, and which has sufficient strength. The membrane filter is formed by laminating a thin film having a thickness of 1 to 1,000 nm with a support film which is a porous film having a thickness of 1 to 1,000 μm, which is made of a photosensitive composition or a cured product of the photosensitive composition, and has a plurality of hole portions penetrating in the thickness direction.
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10.发明申请公开(公告)号：US20180282677A1
公开(公告)日：2018-10-04
申请号：US15764225
申请日：2016-09-26
Inventor： Takashi OHSAKA , Yasuo SUZUKI , Toshiyuki OGATA , Takuya NOGUCHI , Noriyuki TAKAHASHI , Takeshi BABA , Hiroyuki TSUNODA
Abstract: In an aspect, the present invention provides a structure, a structure-manufacturing method, a cell-sorting method, or the like. In an aspect, a structure (1) of the present invention is a structure including a first substrate (10) and a second substrate (20) disposed to face one side of the first substrate (10), in which the first substrate (10) has a plurality of depressions (11) which are open to the other side of the first substrate and each of which has a size that enables each of the depressions to capture one unit of a cell, at least some of the depressions (11) have communication holes (12) which communicate with one side and the other side of the first substrate and each of which has a size that enables secretions secreted from the cell to move through the communication holes, the second substrate (20) can include accumulation portions (13) in which the secretions moving through the communication holes (12) are accumulated, and the accumulation portions (13) can correspond to the depressions (11).
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