Patents by Inventor Bart Van Malderen
Bart Van Malderen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240099911Abstract: An absorbent article comprising a liquid pervious topsheet (300), a liquid impervious backsheet (200), absorbent material positioned between the liquid pervious topsheet and the liquid impervious backsheet, and a capillary acceleration sheet (400) and/or a top core wrap between the absorbent material and the liquid pervious topsheet, wherein the absorbent material, typically comprising superabsorbent particles and optionally cellulosic fluff pulp, is arranged on a bottom core wrap such that one or more channels are formed, wherein less absorbent material per surface area is present in the one or more channels compared to an area around the one or more channels, wherein preferably substantially no absorbent material is present in the one or more channels, wherein the bottom core wrap is attached to the top core wrap and/or the capillary acceleration sheet in one or more permanent attachment zones in the respective one or more channels; each permanent attachment zone including all permanent attachment portionsType: ApplicationFiled: December 20, 2021Publication date: March 28, 2024Inventors: Steven Smet, Tom Derycke, Bart Van Malderen
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Publication number: 20240050287Abstract: An absorbent article comprising a liquid pervious topsheet (300), a liquid impervious backsheet (200), an absorbent core positioned between the liquid pervious topsheet and the liquid impervious backsheet, said absorbent core comprising a bottom core wrap, a top core wrap and absorbent material between the bottom core wrap and the top core wrap, and a capillary acceleration sheet between the absorbent core and the liquid pervious topsheet (300); wherein the absorbent material comprises superabsorbent particles and optionally cellulosic fluff pulp, wherein the absorbent material is arranged such that one or more channels are formed, wherein less absorbent material per surface area is present in the one or more channels compared to an area around the one or more channels, wherein preferably substantially no absorbent material is present in the one or more channels, wherein the bottom core wrap has a basis weight which is larger than the basis weight of the top core wrap and/or larger than the basis weight of thType: ApplicationFiled: December 20, 2021Publication date: February 15, 2024Inventors: Tom Derycke, Steven Smet, Bart Van Malderen
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Publication number: 20240024174Abstract: An absorbent article comprising a liquid pervious topsheet (300), a liquid impervious backsheet (200), absorbent material positioned between the liquid pervious topsheet and the liquid impervious backsheet, and a bottom distribution assembly between the absorbent material and the liquid impervious backsheet, wherein the absorbent material comprises superabsorbent particles and is arranged such that one or more channels are formed, wherein substantially no absorbent material is present in the one or more channels, wherein the bottom distribution assembly comprises a first layer and a second layer, wherein said first layer has a first density between 20 and 150 kg/m3 and said second layer has a second density between 100 and 400 kg/m3, said second density being higher than the first density, wherein said first layer is closer to the absorbent material than said second layer.Type: ApplicationFiled: November 25, 2021Publication date: January 25, 2024Inventors: Steven Smet, Tom Derycke, Werner Van Ingelgem, Bart van Malderen
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Publication number: 20240024172Abstract: An absorbent article comprising a liquid pervious topsheet (300), a liquid impervious backsheet (200), absorbent material (130) comprising superabsorbent polymer particles, positioned between the liquid pervious topsheet and the liquid impervious backsheet, and a capillary acceleration sheet (400) between the absorbent material and the topsheet, wherein the absorbent material is arranged on a bottom core wrap sheet such that one or more channels (140, 150, 160, 170) are formed, wherein preferably substantially no absorbent material is present in the one or more channels, wherein the capillary acceleration sheet (400) comprises a first layer (401) having a first dtex value between 2 and 6 and a second layer (402) having a second dtex value between 0.6 and 3, and wherein the first dtex value is higher than the second dtex value, wherein the second layer (402) is closer to the absorbent material (130) than the first layer (401).Type: ApplicationFiled: December 20, 2021Publication date: January 25, 2024Inventors: Steven Smet, Tom Derycke, Werner Van Ingelgem, Bart Van Malderen
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Publication number: 20230404822Abstract: An absorbent article comprising a liquid pervious topsheet (300), a liquid impervious backsheet (200), absorbent material positioned between the liquid pervious topsheet and the liquid impervious backsheet, and a capillary acceleration sheet (400) between the absorbent material and the liquid pervious topsheet, wherein the absorbent material, typically comprising superabsorbent particles, is arranged on a bottom core wrap sheet such that one or more channels are formed, wherein less absorbent material per surface area is present in the one or more channels compared to an area around the one or more channels, wherein preferably substantially no absorbent material is present in the one or more channels, wherein the capillary acceleration sheet (400) comprises at least one meltblown layer, and wherein the at least one meltblown layer represents between 2 and 8 weight % of the weight of the capillary acceleration sheet.Type: ApplicationFiled: November 25, 2021Publication date: December 21, 2023Inventors: Werner Van Ingelgem, Tom Derycke, Steven Smet, Bart Van Malderen
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Publication number: 20230064927Abstract: A package (1000) comprising a bag (100) and a stack of absorbent articles (200) having a substantially rectangular shape, wherein the stack of absorbent articles is arranged in the bag, wherein the bag (100) is made of a paper material having a basis weight between 60 and 100 g/m2 measured according to the ISO 536 standard, wherein the bag (100) has a closed bottom (110), a closed top (120), and a peripheral wall (130) betwen said bottom and said top, wherein the bag is provided at least on an inner surface of the bag near the top, with a sealable coating (140); wherein the closed top (120) is realized by a sealed portion (145) of said sealable coating (140).Type: ApplicationFiled: February 17, 2021Publication date: March 2, 2023Inventors: Werner Van Ingelgem, Rik Daelemans, Pieter Hommez, Steven Smet, Bart Van Malderen
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Publication number: 20230039880Abstract: An absorbent article comprising a liquid pervious topsheet (300), a liquid impervious backsheet (200), absorbent material positioned between the liquid pervious topsheet and the liquid impervious backsheet, and a capillary acceleration sheet (400) between the absorbent material and the liquid pervious topsheet, wherein the absorbent material is arranged on a bottom core wrap sheet such that one or more channels are formed, wherein less absorbent material per surface area is present in the one or more channels compared to an area around the one or more channels, wherein preferably substantially no absorbent material is present in the one or more channels, wherein the capillary acceleration sheet (400) has a basis weight between 15 and 55 g/m2 and comprises fibres having an average diameter between 10 and 35 micron, preferably between 15 and 30 micron, more preferably between 17 and 27 micron.Type: ApplicationFiled: February 10, 2021Publication date: February 9, 2023Inventors: Werner Van Ingelgem, Tom Derycke, Steven Smet, Bart Van Malderen
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Patent number: 11529268Abstract: An absorbent article comprising a liquid pervious topsheet, a liquid impervious backsheet, and an absorbent structure positioned in between said topsheet and said backsheet, wherein the absorbent structure comprises an absorbent core positioned in between the topsheet and the backsheet, a release structure being positioned in fluid communication with the absorbent core, said absorbent core comprising little to no cellulose fibers and/or fluff pulp and said absorbent core comprising an absorbent polymer material for absorbing and permanently holding fluids received from the topsheet and the release structure, wherein said release structure comprises at least one fibrous substrate structure having the capacity to receive and temporarily hold the fluids in proximity to the absorbent core so that the fluids can subsequently be transferred and released to and absorbed by the absorbent core.Type: GrantFiled: April 3, 2017Date of Patent: December 20, 2022Assignee: Drylock Technologies NVInventors: Bart Van Malderen, Werner Van Ingelgem, Tom Derycke, Steven Smet
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Publication number: 20210236352Abstract: An absorbent article comprising a liquid pervious topsheet, a liquid impervious backsheet, and an absorbent core positioned between the liquid pervious topsheet and the liquid impervious backsheet; said absorbent article having a first and second longitudinal edge and a first and second transverse edge; wherein the absorbent core comprises a bottom core wrap sheet, absorbent material, and a liquid management structure, wherein the absorbent material is positioned directly between the bottom core wrap sheet and the liquid management structure; and wherein the liquid management structure covers at least a surface portion of the absorbent material and comprises at least one channel portion forming at least one channel zone in the absorbent core.Type: ApplicationFiled: April 24, 2019Publication date: August 5, 2021Inventors: Werner Van Ingelgem, Steven Smet, Bart Van Malderen
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Publication number: 20210161731Abstract: An absorbent article having a front edge intended to be positioned at a front side of a person and a rear edge intended to be positioned at a rear side of a person, said absorbent article comprising a liquid pervious topsheet, a liquid impervious backsheet, and an absorbent material between said topsheet and said backsheet, wherein at least a first spacer element is included between said topsheet and said backsheet, wherein the first spacer element has a top side facing the topsheet, a bottom side facing the backsheet, and a number of lateral sides between the top and the bottom side, and wherein the absorbent material extends along at least two opposite lateral sides of the first spacer element; said first spacer element being configured to guide liquid to the absorbent material upon wetting of the absorbent article.Type: ApplicationFiled: May 14, 2018Publication date: June 3, 2021Inventors: Bart Van Malderen, Steven Smet, Werner Van Inelgem
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Publication number: 20210030604Abstract: An absorbent article comprising a liquid pervious topsheet, a liquid impervious backsheet, and an absorbent structure positioned in between said topsheet and said backsheet, wherein the absorbent structure comprises an absorbent core positioned in between the topsheet and the backsheet, a release structure being positioned in fluid communication with the absorbent core, said absorbent core comprising little to no cellulose fibers and/or fluff pulp and said absorbent core comprising an absorbent polymer material for absorbing and permanently holding fluids received from the topsheet and the release structure, wherein said release structure comprises at least one fibrous substrate structure having the capacity to receive and temporarily hold the fluids in proximity to the absorbent core so that the fluids can subsequently be transferred and released to and absorbed by the absorbent core.Type: ApplicationFiled: April 3, 2017Publication date: February 4, 2021Inventors: Bart Van Malderen, Werner Van Ingelgem, Tom Derycke, Steven Smet
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Publication number: 20210015686Abstract: An absorbent article comprising a liquid pervious topsheet, a liquid impervious backsheet, and an absorbent core positioned between the liquid pervious topsheet and the liquid impervious backsheet; said absorbent article having a first and second longitudinal edge and a first and second transverse edge; wherein the absorbent core comprises a top core sheet, a back core sheet, and absorbent material arranged partially between the top core sheet and the back core sheet; wherein at least one of the top core sheet and the back core sheet comprises at least one attachment portion which is attached to the other one of the top core sheet and the back core sheet forming at least one attachment zone, and at least one edge portion having at least one free edge and covering a portion of the absorbent material.Type: ApplicationFiled: April 4, 2019Publication date: January 21, 2021Applicant: Drylock Technologies NVInventors: Werner van INGELGEM, Steven SMET, Bart van MALDEREN
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Patent number: 9295593Abstract: The present invention relates to an absorbent structure, preferably for use in absorbent articles as used in the personal hygiene industry such as feminine hygiene garments, baby diapers and pants or adult incontinence garments. The present invention also relates to an absorbent article comprising such absorbent structure and to a method of manufacturing the absorbent structure. The absorbent structures comprise a carrier layer, an auxiliary layer and an absorbent material there between wherein substantially permanent primary attachments and substantially temporary secondary attachments join the carrier layer and auxiliary layer at least partially together, whereby the substantially temporary secondary attachments are loosened as a result of exposing the absorbent structure to a liquid whereas the substantially permanent primary attachments remain substantially intact.Type: GrantFiled: October 20, 2011Date of Patent: March 29, 2016Assignee: VYNKA BVBAInventor: Bart Van Malderen
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Publication number: 20150038929Abstract: The present invention relates to an absorbent structure, preferably for use in absorbent articles as used in the personal hygiene industry such as feminine hygiene garments, baby diapers and pants or adult incontinence garments. The present invention also relates to an absorbent article comprising such absorbent structure and to a method of manufacturing the absorbent structure. The absorbent structures comprise a carrier layer, an auxiliary layer and an absorbent material there between wherein substantially permanent primary attachments and substantially temporary secondary attachments join the carrier layer and auxiliary layer at least partially together, whereby the substantially temporary secondary attachments are loosened as a result of exposing the absorbent structure to a liquid whereas the substantially permanent primary attachments remain substantially intact.Type: ApplicationFiled: October 20, 2011Publication date: February 5, 2015Applicant: VYNKA BVBAInventor: Bart Van Malderen
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Publication number: 20140296817Abstract: The present invention relates to a method and apparatus for forming a composite structure, preferably for use in an absorbent structure used within the personal hygiene industry, such as for instance feminine hygiene garments, baby diapers and pants and adult incontinence garments. The present invention preferably provides a method and apparatus for depositing particulate material in a desired pattern onto a moving carrier layer and positioning it into a pocketing pattern. The method allows accurate forming of a pre-determined pattern of particulate material clusters at high production speed, with reduced raw material usage and relative low cost. As such method allows manufacturing of absorbent structures being substantially cellulose free and substantially glue free, considered technically, economically and environmentally friendly.Type: ApplicationFiled: October 20, 2011Publication date: October 2, 2014Applicant: VYNKA BVBAInventor: Bart Van Malderen