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公开(公告)号：US20240050881A1
公开(公告)日：2024-02-15
申请号：US18257725
申请日：2021-12-17
申请人： AHLSTROM-MUNKSJÖ OYJ
发明人： Tyler MONKO , Frank COUSART , Larry SIMON
CPC分类号： B01D39/2068 , B01D39/18 , B01D39/2024 , B01D2239/0618 , B01D2239/1291 , B01D2239/10 , B01D2239/0258 , B01D2239/1241
摘要： A filter media suitable for use in filtering fluids is provided. The filter media comprises a first component, said first component having a core with an Al2O3 content of at least 10 wt % and a nanoalumina coating that at least partially coats the core.
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公开(公告)号：US20230271123A1
公开(公告)日：2023-08-31
申请号：US18014839
申请日：2021-07-07
申请人： Ahlstrom-Munksjö Oyj
发明人： Marcelo Polozzi
CPC分类号： B01D39/18 , B01D39/1646 , B01D39/1653 , B01D2239/0464 , B01D2239/0492
摘要： The disclosure relates to a filtration media comprising a fibrous web impregnated with a resin composition comprising lignin. The fibrous web comprises the lignin in an amount of from 0.1 to 30 wt % by weight of the fibrous web, and the lignin has a density of less than 1.2 g/cm3 or a weight average molecular weight of less than 20,000 g/mol. The disclosure further relates to a method of manufacturing the filtration media.
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公开(公告)号：US11518152B2
公开(公告)日：2022-12-06
申请号：US16480007
申请日：2018-01-23
申请人： AHLSTROM-MUNKSJÖ OYJ
摘要： A breathable barrier fabric that is heat sealable and minimizes lint generation without impacting the fabric's overall breathability, comfort and barrier protection, and that can be used to manufacture Helmke Category II or better cleanroom garments suitable for use in ISO Class 3 cleanroom environments and other hygienic applications. The breathable barrier fabric has a composite laminate structure including an inner monolithic film layer made from a breathable polymer bonded to first and second outer spunbond layers comprising thermoplastic bicomponent fibers each having an outer glazed surface where the thermoplastic bicomponent fibers are at least partially flattened.
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公开(公告)号：US20200215470A1
公开(公告)日：2020-07-09
申请号：US16825091
申请日：2020-03-20
申请人： Ahlstrom-Munksjö Oyj
发明人： Santosh Chavan , Praveen JANA , Anne VISKARI
摘要： The present invention relates to a filter medium comprising a substrate and a fine fiber layer on top of the substrate, wherein the substrate comprises a first layer comprising first fibers having a first average diameter and a first maximum fiber length; a second layer comprising second fibers having a second average diameter and a second maximum fiber length; and a third layer comprising third fibers having a third average diameter and a third maximum fiber length; wherein the boundary area between the first and the second layer forms a first blended area comprising first and second fibers; and the boundary area between the second and the third layer forms a second blended area comprising second and third fibers; and wherein the first and the third average diameters are each larger than the second average diameter.
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公开(公告)号：US20190366751A1
公开(公告)日：2019-12-05
申请号：US16477214
申请日：2018-01-10
申请人： Ahlstrom-Munksjö Oyj
发明人： Thierry MAYADE
摘要： The invention relates to transfer paper for sublimation printing, comprising a fibrous substrate, said transfer paper having one or more cationic agents on at least one face thereof, deposited on the fibrous substrate by means of surface treatment, the amount of cationic agent(s) being greater than or equal to 8% by dry weight of the total dry weight of the compound(s) added to the fibrous substrate by means of the surface treatment.
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公开(公告)号：US20190217231A1
公开(公告)日：2019-07-18
申请号：US16261244
申请日：2019-01-29
CPC分类号： B01D39/1615 , B01D39/1607 , B01D39/163 , B01D39/18 , B01D2239/064 , B01D2239/069 , B01D2239/086 , B01D2239/1216 , B01D2239/1225 , B01D2239/1233 , B01D2239/1258 , B01D2239/1291
摘要： A filtration media with improved filtration, strength, tear resistance and air permeability in the form of a relatively thin and lightweight wet-laid fibrous web that has a wet Mullen ratio of 60% to 80% to ensure that the media is flexible enough to be formed into a fluted structure, and strong enough to retain the fluted structure when wound into a roll and to permit further processing without the media becoming too brittle. The filtration media comprises a blend of cellulose and synthetic fibers having a weight percent of 81 wt % to 87 wt % of a weight of the media and a resin binder having a weight of 13 wt % to 19 wt % (preferably about 16 wt %) of the weight of the media.
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公开(公告)号：US20230234805A1
公开(公告)日：2023-07-27
申请号：US18011202
申请日：2020-09-30
申请人： Ahlstrom-Munksjö Oyj
IPC分类号： B65H45/30
CPC分类号： B65H45/30 , B65H2301/4227 , B65H2701/11312 , B65H2404/633
摘要： According to an example aspect of the present invention, there is provided a method and apparatus for folding a stack of superposed sheets. The method comprises transferring the stack to a folding station, gripping a first part of the stack with a first grip and forming a crease on the stack to facilitate the folding. Then the at least a part of the stack is folded over the first part of the stack that has been gripped by utilizing the crease, the folded stack is gripped with a second grip and the folded stack is transferred from the folding station to a next handling stage and releasing the first grip.
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公开(公告)号：US20230072990A1
公开(公告)日：2023-03-09
申请号：US17796193
申请日：2021-02-01
申请人： Ahlstrom-Munksjö Oyj
发明人： Bertrand Morales , John Blanz
摘要： The invention relates to drinking U-straws and more particularly to a paper for manufacturing drinking U-straws, which is environmental friendly, bio-degradable and is able to be formed in the shape of a bent straw with an accordion-like structure at the bend. The paper has high water resistance as well as high strength and elongation properties compatible with the intended use. In particular, the paper for forming a U-straw includes: •between 10 and 50 dry wt % of first fibers having a length of between 1.4 mm and 2.5 mm; •between 40 and 80 dry wt % of second fibers having a length of between 0.3 mm and 0.8 mm; and•between 1 and 6 dry wt % of a sizing agent.
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公开(公告)号：US20220362695A1
公开(公告)日：2022-11-17
申请号：US17816596
申请日：2022-08-01
申请人： Ahlstrom-Munksjö Oyj
发明人： Santosh CHAVAN , Praveen JANA , Anne VISKARI
摘要： The present invention relates to a filter medium comprising a substrate and a fine fiber layer on top of the substrate, wherein the substrate comprises a first layer comprising first fibers having a first average diameter and a first maximum fiber length; a second layer comprising second fibers having a second average diameter and a second maximum fiber length; and a third layer comprising third fibers having a third average diameter and a third maximum fiber length; wherein the boundary area between the first and the second layer forms a first blended area comprising first and second fibers; and the boundary area between the second and the third layer forms a second blended area comprising second and third fibers; and wherein the first and the third average diameters are each larger than the second average diameter.
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公开(公告)号：US11280090B2
公开(公告)日：2022-03-22
申请号：US16881038
申请日：2020-05-22
申请人： Ahlstrom-Munksjö Oyj
发明人： Emmanuel Faynot , Marc Berlioz , Samuel Merlet , Claude Leclercq
IPC分类号： E04C2/28 , E04C2/04 , B32B13/14 , B32B5/28 , B32B5/26 , B32B5/02 , B32B7/02 , B32B5/08 , D21H17/00 , D21H21/16 , D21H27/02 , D21H27/38
摘要： Gypsum board having a core, said core having at least one side covered with a non-woven fabric; characterized in that the inner side of the non-woven fabric, which is in contact with the core of the gypsum board, has a surface roughness Ra of from 25 to 60 micrometers, preferably from 25 to 50 micrometers, advantageously from 25 to 40 micrometers.
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