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1. 发明授权

US11634838B2 Shaped nonwoven 有权
公开(公告)号：US11634838B2
公开(公告)日：2023-04-25
申请号：US17475642
申请日：2021-09-15
申请人： The Procter & Gamble Company
发明人： Arman Ashraf , Kelyn Anne Arora , Paul Thomas Weisman , Nathan Ray Whitely
IPC分类号： D04H3/16 , D04H3/018 , D04H13/00 , A61F13/15 , A61F13/513 , A61F13/537 , A61F13/514 , D04H3/147 , D04H3/007 , A61F13/551 , A61L15/52 , A61F13/51 , D01D5/098 , A61F13/512 , D04H3/02 , D04H3/14 , A61F13/49 , A61F13/511 , B32B5/02 , D01F6/06 , D01F8/06 , D04H3/10
摘要： A nonwoven fabric. The nonwoven fabric can include a first surface and a second surface and a visually discernible pattern of three-dimensional features on one of the first or second surface. Each of the three-dimensional features can define a microzone comprising a first region and a second region. The first and second regions can have a difference in values for an intensive property. The nonwoven further has a plurality of apertures, wherein at least a portion of the aperture abuts at least one of the first region and the second region of the microzone.

2. 发明申请

US20230095033A1 SUBSTITUTED THIOLATE SALT MELT ADDITIVES 有权
公开(公告)号：US20230095033A1
公开(公告)日：2023-03-30
申请号：US17795022
申请日：2021-01-19
申请人： 3M INNOVATIVE PROPERTIES COMPANY
发明人： Fuming B. Li , Duane D. Fansler , Anthony F. Schultz , John M. Brandner , Nathan E. Schultz , John M. Sebastian
IPC分类号： C08K5/46 , C07D249/12 , C07D271/113 , C07D285/125 , C08K5/378 , B01D39/16 , D01F1/09 , D04H1/4291 , D01F6/06 , D06M10/02 , D01D5/098 , D04H3/14 , D04H3/007 , D04H1/56
摘要： Charged polymeric webs, such as electret webs, include a thermoplastic resin and a charge-enhancing additive. The additives are substituted heterocyclic thiolate salts. The heterocyclic thiolate salt has 2 nitrogen groups and a third group that may be an NH, N—NH2, O, or S group. The substituent group is an aromatic or heterocyclic aromatic group. The electret webs may be a non-woven fibrous web or a film. The electret webs are suitable for use as filter media.

3. 发明申请

US20230039949A1 NONWOVEN FABRIC WITH IMPROVED MECHANICAL STRENGTH 有权
公开(公告)号：US20230039949A1
公开(公告)日：2023-02-09
申请号：US17788040
申请日：2020-12-24
申请人： Toray Advanced Materials Korea Inc.
发明人： Do Kyung YOON , Seo Jin PARK
IPC分类号： D04H1/4291 , D04H13/00 , D04H3/007 , D04H3/14
摘要： The present invention relates to a non-woven fabric with improved mechanical strength, and more particularly, to a non-woven fabric exhibiting excellent spinnability, excellent softness, and excellent tensile strength while enabling a weight reduction.

4. 发明申请

US20220160550A1 PROCESS AND APPARATUS FOR MAKING CHANNELED ABSORBENT ARTICLES 有权
公开(公告)号：US20220160550A1
公开(公告)日：2022-05-26
申请号：US17440828
申请日：2020-03-20
申请人： ONTEX BV , ONTEX GROUP NV
发明人： Thomas HEEGE , Ainas WEBER , Christel MAILINGER , Manfred BREU , Detlef VOLLRATH , Alissa IDELSON , Christoph WAGNER
IPC分类号： A61F13/475 , A61F13/15 , A61F13/42 , A61F13/533 , A61F13/536 , A61L15/28 , A61L15/42 , A61L15/60 , D04H1/4291 , D04H1/54 , D04H3/007 , D04H3/14
摘要： A method for making an absorbent article comprising an absorbent core comprising one or more channels, the method comprising the steps of: i. providing a first endless moving surface comprising a plurality of molds, each mold comprising a non-porous insert therein, typically said insert having the inverse shape of said channel(s), wherein the molds are in fluid communication with an under-pressure source except for said insert; ii. feeding a first nonwoven web to said first endless moving surface and over one or more said molds; iii. depositing an absorbent material, comprising cellulose fibers and/or superabsorbent polymer particles, over at least a portion of said nonwoven web; iv. removing said absorbent material from areas of the nonwoven web corresponding to said insert; v. applying a second nonwoven web directly or indirectly over the absorbent material, or folding said first nonwoven web, such to sandwich said absorbent material between upper and lower layers of said nonwoven web(s); vi. joining said upper and lower layers together at least in the areas of the nonwoven web(s) corresponding to the insert to form an absorbent core having one or more channels substantially free of absorbent material; vii. optionally joining an acquisition distribution layer to said absorbent core, typically a skin facing surface of said upper layer; viii. optionally laminating said absorbent core and acquisition distribution layer between a liquid pervious topsheet and a liquid impervious backsheet; wherein step vi. comprises the step of selectively applying a first pressure onto the absorbent core, preferably only, in a central portion thereof and a second pressure, preferably only, along peripheral longitudinal side edges thereof miming opposite and parallel to each other and being outboard of said central portion, said central portion corresponding at least to a region of the core comprising said channel(s), and wherein said first and second pressures are successively applied along a machine direction (MD).

5. 发明授权

US11332862B2 Low linting imaged hydroentangled nonwoven composite 有权
公开(公告)号：US11332862B2
公开(公告)日：2022-05-17
申请号：US15211326
申请日：2016-07-15
申请人： AVINTIV Specialty Materials Inc.
发明人： Steven Brian Burgess , Jerry Snider , Paul Michael Harmon , Dianne B. Ellis
IPC分类号： D04H1/492 , B32B5/26 , B32B5/02 , D04H1/498 , D04H1/485 , D04H3/14 , B32B5/08 , B32B7/12 , B32B5/06 , B32B3/30 , B32B7/05 , A61F13/00 , B32B37/20
摘要： Hydroentangled composites having a wide variety of uses (e.g., personal hygiene articles, facers for fenestration absorbent patches on surgical drapes, facers on absorbent surgical drapes, etc.) are provided. The hydroentangled composite includes at least two nonwoven webs hydroentangled together. The hydroentangled composite may have a three-dimensional structure. Additionally, the at least two nonwoven webs may have different bonding levels and/or lint levels.

6. 发明申请

US20220098771A1 METHODS FOR PRODUCING THROUGH-FLUID BONDED NONWOVEN WEBS 有权
公开(公告)号：US20220098771A1
公开(公告)日：2022-03-31
申请号：US17550218
申请日：2021-12-14
申请人： The Procter & Gamble Company
发明人： Jonathan P. BRENNAN , Jeffrey A. AUER , David Wesley MONEBRAKE , Andreas J. DREHER , Antonius Lambertus DeBEER
IPC分类号： D04H3/10 , D01D5/08 , D04H3/011 , D04H3/03 , D04H3/14
摘要： A method of creating a soft and lofty continuous fiber nonwoven web is provided. The method includes providing first and second, different molten polymers to a spinneret defining a plurality of orifices and flowing a fluid intermediate the spinneret and a moving porous member. The method includes using the fluid to draw the first and second molten polymers, in a direction toward the porous member, through at least some of the plurality of orifices to form a plurality of individual continuous fiber strands. The method includes depositing the continuous fiber strands onto the porous member at a first location to produce an intermediate continuous fiber nonwoven web, and intermittently varying, in at least two different zones, a vacuum force applied to the moving porous member and to the intermediate web downstream of the first location and without the addition of more continuous fibers and without any heat applied.

7. 发明授权

US11248323B2 Method for forming a non-woven recyclable fabric 有权
公开(公告)号：US11248323B2
公开(公告)日：2022-02-15
申请号：US16256803
申请日：2019-01-24
申请人： Richard Francis Ferrell , James Michael Posa , Joseph D. Wahlquist
发明人： Richard Francis Ferrell , James Michael Posa , Joseph D. Wahlquist
IPC分类号： D01D1/04 , D02J13/00 , D04H1/492 , D04H1/54 , D04H1/56 , D04H3/11 , D04H5/02 , D04H5/03 , D04H5/06 , D04H3/16 , D04H3/011 , D04H3/10 , D01F8/14 , D04H3/12 , D01F13/04 , D04H1/559 , A47G9/02 , D04H1/435 , D04H3/14 , D04H1/49 , D01F6/62 , B29C48/05 , B29C48/285 , B29C48/275 , D01D5/098 , D01D5/088 , D01D5/08 , D01D10/02 , D01D5/34 , D04H1/4382 , D04H1/541 , D01F11/08 , D01F6/92 , B29K67/00 , B29L31/00 , B29K105/00 , B29C65/08 , B29C65/48 , B29C65/56 , B29K105/26
摘要： A nonwoven recyclable fabric and associated methods are provided. The fabric is formed from 100% polyester, and may also include surface coatings such as hydrophilic coatings to promote heat transfer as well moisture vapor transmission rates and/or a silicone coating to promote fabric smoothness and reduce abrasiveness of the fabric.

8. 发明授权

US11168421B2 Elastic network structure with excellent quietness and hardness 有权
公开(公告)号：US11168421B2
公开(公告)日：2021-11-09
申请号：US14399244
申请日：2013-05-07
申请人： Toyobo Co., Ltd.
发明人： Hiroyuki Wakui , Masahiko Nakamori
IPC分类号： D04H3/14 , B68G11/03 , D04H3/007 , D04H3/03 , D04H3/011 , D04H3/016
摘要： [Problem] The objective of the present invention is to provide an elastic mesh structure having exceptional cushioning and reducing noise during compression or recovery.
[Solution] A mesh structure comprising a three-dimensional, random-loop, joining structure formed by winding a continuous line of thermoplastic resin to form random loops, bringing the loops into contact with one another in a molten state, and fusing the majority of the contact area, wherein (a) the apparent density of the random-loop contact structure is 0.005-0.200 g/cm3, and (b) the number of contact points per unit weight of the random-loop contact structure is 500-1200/g.

9. 发明授权

US11149360B2 Method for making a shaped nonwoven 有权
公开(公告)号：US11149360B2
公开(公告)日：2021-10-19
申请号：US16744516
申请日：2020-01-16
申请人： The Procter & Gamble Company
发明人： Arman Ashraf , Kelyn Anne Arora , Paul Thomas Weisman , Nathan Ray Whitely
IPC分类号： D01D7/00 , D04H3/005 , D06C3/06 , D06C15/02 , D01D5/098 , D04H3/02 , D04H3/14 , D01D5/088 , B32B37/15 , B29C69/00 , B32B37/00 , B32B38/00 , A61F13/15 , A61F13/49 , A61F13/511 , A61F13/551 , B32B5/02 , D01F6/06 , D01F8/06 , D04H3/10 , D04H3/16 , B32B38/04
摘要： A method for making nonwoven fabric. The nonwoven fabric can include three-dimensional features that define a microzone comprising a first region and a second region. The first and second regions can have a difference in values for an intensive property. The nonwoven further has a plurality of apertures, wherein at least a portion of the aperture abuts at least one of the first region and the second region of the microzone.

10. 发明授权

US11148391B2 Abrasive wipe 有权
公开(公告)号：US11148391B2
公开(公告)日：2021-10-19
申请号：US15899623
申请日：2018-02-20
申请人： FIRST QUALITY NONWOVENS, INC.
发明人： Paul DeNoia , Karthik Ramaratnam , Michael Kauschke , Peter Zajaczkowski
IPC分类号： B32B5/26 , B32B5/12 , D04H1/56 , D04H3/14 , A47L13/16 , D04H1/559
摘要： An abrasive wipe includes a spunbond layer that forms a first outer surface of the wipe, a meltblown layer positioned over the spunbond layer so as to form an inner layer of the wipe and an abrasive layer positioned over the meltblown layer so as to form a second outer surface of the wipe. The spunbond layer, the meltblown layer and the abrasive layer are bonded together in a single bonding step, and, in an exemplary embodiment, the abrasive wipe has an MD tensile strength of at least 700 g/cm and a CD tensile strength of at least 500 g/cm.

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