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公开(公告)号：US20240360628A1
公开(公告)日：2024-10-31
申请号：US18287724
申请日：2022-04-22
CPC分类号： D21H27/10 , B65D65/42 , C09J7/21 , C09J7/35 , D21H19/12 , D21H19/40 , D21H19/58 , C09J2301/304
摘要： It is an object of the present invention to provide heat-sealable paper that is excellent in heat sealing property and recyclability, and capable of enclosing the object to be packaged even immediately after the bag making process. The heat-sealable paper of the present invention has at least one heat-sealable layer on at least one surface of a paper substrate, wherein the heat-sealable layer contains a water-dispersible resin binder, when two such heat-sealable layers are heat-sealed to each other under conditions of 150° C., 0.2 MPa, and one second, the hot tack peeling distance is 150 mm or less, and the heat sealing peel strength is 2 N/15 mm or more, and the heat-sealable paper has a pulp recovery rate after re-disintegration of 85% or more.
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公开(公告)号：US20240181749A1
公开(公告)日：2024-06-06
申请号：US18286400
申请日：2022-04-12
发明人： Shigeru SUZUKI , Yoshikazu FUJISHIRO , Kazuyuki HIATE , Yoshimune OKUYAMA , Masahiro NAKATA , Tadakazu ISHIWATA , Toshitsugu TAKAGAKI
IPC分类号： B32B15/085 , B32B27/32 , H01G4/32
CPC分类号： B32B15/085 , B32B27/32 , H01G4/32 , B32B2255/10 , B32B2255/205 , B32B2307/308 , B32B2307/518 , B32B2307/54 , B32B2307/7376 , B32B2457/16
摘要： Provided is a metallized polypropylene film having excellent insulation breakdown resistance properties. The metallized polypropylene film of the present invention has a thickness of 0.5 to 4.0 μm and has a feature such that the number of insulation breakdown points multiplied by thickness, as determined under predetermined measurement conditions for measuring the number of insulation breakdown points, is 1.90 (points/cm2)·μm or less.
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公开(公告)号：US20240161979A1
公开(公告)日：2024-05-16
申请号：US18281239
申请日：2022-02-21
发明人： Takumi SUEI , Kazuo IKEDA , Akihiro KAKEHI
IPC分类号： H01G4/22
CPC分类号： H01G4/221
摘要： An object is to provide a film that provides a capacitor excellent in safety function operability, and that has a high level of dielectric breakdown strength at high temperatures and good element-winding suitability. The object is achieved by a film containing a syndiotactic polystyrene resin and a polyphenylene ether resin, the content of the syndiotactic polystyrene resin in the film being 50 mass % or higher, the content of the polyphenylene ether resin in the film being 10 mass % or higher, wherein (A) the film contains titanium oxide particles as inorganic particles, and the content of the titanium oxide particles in the film is 0.55 mass % or higher and 3 mass % or lower, and/or (B) at least one surface of the film has a reduced peak height Spk of 0.05 μm or more and 0.30 μm or less.
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公开(公告)号：US11828026B2
公开(公告)日：2023-11-28
申请号：US16966206
申请日：2019-01-29
发明人： Koichi Hagihara , Yusuke Ikematsu
摘要： The object of the present invention is to provide a base sheet for a total heat exchanger element such that the base sheet has a high moisture permeability and an appropriate rate of moisture absorption as well as excels in flame resistance and gas barrier properties while its basis weight is low. A base sheet for a total heat exchanger element comprising calcium chloride in a paper base material, characterized in that the paper base material comprises pulp with a freeness of from 200 to 600 ml as measured in accordance with JIS P 8121 except that a pulp collection amount is set to 0.3 g/L; the paper base material has a bone-dry basis weight of from 17 g/m2 to less than 23 g/m2; and content of the calcium chloride is from 6 g/m2 to less than 9 g/m2.
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公开(公告)号：US11817272B2
公开(公告)日：2023-11-14
申请号：US16638794
申请日：2018-08-14
摘要： In a metallized film 1, n electrode portions 20, which are metal deposition portions, are formed in parallel on one surface of a dielectric film 2 having a film width corresponding to n capacitor elements, n being an even number of 2 or more. Each electrode portion 20 is provided with a plurality of inclined margins 31 and 32, which are metal non-deposition portions extending at an angle with respect to a film width direction, at a regular interval in a film length direction. Across a center line Lc virtually extending in the film length direction at the center in the film width direction, the inclined margins 31 of the electrode portion 20 located on one side in the film width direction, and the inclined margins 32 of the electrode portion 20 located on the other side in the film width direction are inclined in opposite directions so as to be line-symmetric with respect to the center line Lc.
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6.发明授权公开(公告)号：US11492475B2
公开(公告)日：2022-11-08
申请号：US16767092
申请日：2018-12-26
摘要： A polypropylene film which is capable of suppressing blocking in a rolled polypropylene film. The polypropylene film has a first surface and a second surface, contains a polypropylene resin as a main component, and is configured such that: the Svk value (SvkA) of the first surface is 0.005 μm or more and 0.030 μm or less; the Spk value (SpkA) of the first surface is more than 0.035 μm and 0.080 μm or less; the Svk value (SvkB) of the second surface is 0.005 μm or more and 0.030 μm or less; and the Spk value (SpkB) of the second surface is 0.015 μm or more and 0.035 μm or less.
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公开(公告)号：US20220178077A1
公开(公告)日：2022-06-09
申请号：US16966206
申请日：2019-01-29
发明人： Koichi HAGIHARA , Yusuke IKEMATSU
摘要： The object of the present invention is to provide a base sheet for a total heat exchanger element such that the base sheet has a high moisture permeability and an appropriate rate of moisture absorption as well as excels in flame resistance and gas barrier properties while its basis weight is low. A base sheet for a total heat exchanger element comprising calcium chloride in a paper base material, characterized in that the paper base material comprises pulp with a freeness of from 200 to 600 ml as measured in accordance with JIS P 8121 except that a pulp collection amount is set to 0.3 g/L; the paper base material has a bone-dry basis weight of from 17 g/m2 to less than 23 g/m2; and content of the calcium chloride is from 6 g/m2 to less than 9 g/m2.
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公开(公告)号：US11342116B2
公开(公告)日：2022-05-24
申请号：US16633062
申请日：2018-08-01
IPC分类号： C08J5/18 , H01B3/44 , B32B15/085 , B32B27/32 , H01G4/14 , C23C14/24 , H01G4/32 , C08J7/04 , C08J7/044
摘要： A polypropylene film which has a crystallite size of not more than 12.2 nm, the crystallite size being determined using Scherrer's equation from a full width at half maximum of the reflection peak from (040) plane of α crystal measured by a wide-angle X-ray diffraction method, and a volume resistivity of not lower than 6×1014 Ω·cm, the volume resistivity being calculated in accordance with equation I from a current value that is measured 1 minute after applying a voltage at a potential gradient of 200 V/μm in an environment at 100° C. Equation I: volume resistivity=[(effective electrode area)×(applied voltage)]/[(polypropylene film thickness)×(current value)].
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公开(公告)号：US11312790B2
公开(公告)日：2022-04-26
申请号：US16643265
申请日：2017-08-31
发明人： Kotaro Ishikawa , Takuro Kashiwamura , Takuya Kato , Toru Koga , Suguru Ishikawa
摘要： The present invention provides a method for producing pentosan polysulfate, the method including a first step of obtaining an acidic xylooligosaccharide from a plant-derived raw material, and a second step of obtaining pentosan polysulfate from the acidic xylooligosaccharide. The first step includes a step of depolymerizing the plant-derived raw material. The second step includes a step of sulfating the acidic xylooligosaccharide. The method further includes a deacetylation step of adding a base to achieve a pH of 11 or higher. The deacetylation step is a step performed after the depolymerization step. The production method of the present invention can provide pentosan polysulfate having a low acetyl group content, and also produce pentosan polysulfate with a high yield inexpensively and efficiently.
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公开(公告)号：US11278485B2
公开(公告)日：2022-03-22
申请号：US16617783
申请日：2018-05-30
发明人： Kotaro Ishikawa , Takuro Kashiwamura , Takuya Kato , Toru Koga , Suguru Ishikawa
摘要： The present invention provides a novel topical moisturizing preparation containing as an active ingredient at least one selected from pentosan polysulfate; pharmaceutically acceptable salts of pentosan polysulfate; and pharmaceutically acceptable solvates thereof. The topical moisturizing preparation of the present invention, which contains a substance free of animal-derived components as an active ingredient, can be produced as a topical moisturizing preparation free of animal-derived components, as needed.
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