Patents by Inventor Claus Peter Stoelzel
Claus Peter Stoelzel 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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Patent number: 11938008Abstract: The invention relates to a disposable absorbent pant comprising a central chassis and elasticized front and rear belt. The central chassis comprises an absorbent core with an absorbent layer. The absorbent layer comprises a continuous channel formed therein.Type: GrantFiled: July 13, 2020Date of Patent: March 26, 2024Assignee: The Procter & Gamble CompanyInventors: Carsten Heinrich Kreuzer, Ernesto Gabriel Bianchi, Bruno Johannes Ehrnsperger, Ling Tong, Claus Peter Stoelzel
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Publication number: 20230097795Abstract: Disclosed is a wearable article comprising a front elastic belt region, a back elastic belt region, each of the front and back elastic belt region comprises a laminate comprising an inner sheet, an outer sheet, and a plurality of elastic members running in the transverse direction, the longitudinal dimension between adjacent elastic members forming an elastic spacing; wherein the laminate is bonded by heat at the side edges to form side seams, the side seams existing no distant than about 20 mm from the side edges, and the remainder of the laminate is substantially free of heat bonds, wherein the article has a Belt Elastic Bonding Percentage of less than about 25%, and an Individual Elastic Bonding Percentage of from about 10% to about 75%, according to the measurements herein.Type: ApplicationFiled: December 1, 2022Publication date: March 30, 2023Inventors: Chunmin CHENG, Koichi MORIMOTO, Mark Thomas STILLWAGON, Qilei YIN, Claus Peter STOELZEL
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Patent number: 11439544Abstract: A package comprising a stack of absorbent articles which are bi- or tri-folded, and each article comprises a topsheet, a backsheet, and an absorbent core between the topsheet and the backsheet. The absorbent core comprises an absorbent layer comprising a central portion, a first side portion and a second side portion, a first folding guide between the central portion and the first side portion, and a second folding guide between the central portion and the second side portion. Each side portion comprises a plurality of winglets, each winglet having a proximal side relative to a folding guide and extending outward from this proximal side. Neighboring winglets are separated by a gap between their neighboring sides. When the absorbent core is folded along the folding guides, the central portion and the side portions form a three-dimensional basin and the gaps between the winglets decrease, the neighboring sides optionally coming into contact.Type: GrantFiled: September 12, 2019Date of Patent: September 13, 2022Assignee: The Procter & Gamble CompanyInventors: Bruno Johannes Ehrnsperger, Hans Adolf Jackels, Claus Peter Stoelzel, Christine Elisabeth Zipf, Roland Engel
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Publication number: 20210137749Abstract: An absorbent core comprising a core wrap having a top layer and a bottom layer enclosing an absorbent layer comprising superabsorbent polymer, wherein the absorbent core is substantially free of cellulose fibers. The absorbent layer comprises a non-rectangular central portion having a front edge, a back edge and two longitudinally-extending side edges, wherein each side edge defines a recess along a portion of its length; a first side portion present in one of the recess and a second side portion present in the other recess, wherein each side portion comprises a proximal edge relative to the central portion and a distal edge further away from the central portion. The distal edges of the side portions are curved. The absorbent core further comprises a first folding guide between the first side portion and the central portion, and a second folding guide, and when the absorbent core is folded along the folding guides, the central portion and the side portions form a three-dimensional basin.Type: ApplicationFiled: January 25, 2021Publication date: May 13, 2021Inventors: Bruno Johannes EHRNSPERGER, Hans Adolf JACKELS, Claus Peter STOELZEL, Christine Elisabeth ZIPF
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Patent number: 10952909Abstract: An absorbent core includes a core wrap having a top layer and a bottom layer enclosing superabsorbent polymer. The absorbent core is substantially free of cellulose fibers. The absorbent layer comprises a non-rectangular central portion having a front edge, a back edge and two longitudinally-extending side edges. Each side edge defines a recess along a portion of its length; a first side portion present in one of the recess and a second side portion present in the other recess. The proximal edges of the side portions are convex; and either the distal edges of the side portions are concave so that the side portions are crescent-shaped; or the distal edges of the side portions is straight. The absorbent core further includes a first and second folding guide, and when the absorbent core is folded along the folding guides, the central portion and the side portions form a three-dimensional basin.Type: GrantFiled: February 16, 2016Date of Patent: March 23, 2021Assignee: The Procter & Gamble CompanyInventors: Bruno Johannes Ehrnsperger, Hans Adolf Jackels, Claus Peter Stoelzel, Christine Elisabeth Zipf
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Publication number: 20210030602Abstract: The invention relates to a disposable absorbent pant comprising a central chassis and elasticized front and rear belt. The central chassis comprises an absorbent core with an absorbent layer. The absorbent layer comprises a first and a second longitudinally-oriented elongate channel formed therein.Type: ApplicationFiled: July 13, 2020Publication date: February 4, 2021Inventors: Carsten Heinrich KREUZER, Ernesto Gabriel BIANCHI, Bruno Johannes EHRNSPERGER, Ling TONG, Claus Peter STOELZEL
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Patent number: 10893984Abstract: An absorbent article such as a diaper comprises a topsheet, a backsheet and an absorbent core. The absorbent layer comprises at least a longitudinally-extending central portion, and a first and second side portions disposed transversally outward of the central portion. The absorbent core further comprises first and second folding guides between the central portion and the side portions. Each side portion comprises a plurality of winglets, each winglet having a proximal side relative to a folding guide and extending outward from this proximal side, and wherein neighboring winglets are separated by a gap between their neighboring sides. The central portion and the side portions form a three-dimensional basin when the absorbent core is folded along the folding guides. The article further may comprise at least one liquid management layer substantially free of superabsorbent polymer between the topsheet and the absorbent core. The absorbent core may be substantially free of cellulose fibers.Type: GrantFiled: February 16, 2016Date of Patent: January 19, 2021Assignee: The Procter & Gamble CompanyInventors: Bruno Johannes Ehrnsperger, Hans Adolf Jackels, Claus Peter Stoelzel, Sr., Christine Elisabeth Zipf
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Patent number: 10869787Abstract: An absorbent article such as a diaper comprises a topsheet, a backsheet and an absorbent core. The absorbent layer comprises at least a longitudinally-extending central portion, and a first and second side portions disposed transversally outward of the central portion. The absorbent core further comprises first and second curved folding guides between the central portion and the side portions. Each side portion comprises a plurality of winglets, each winglet having a proximal side relative to a folding guide and extending outward from this proximal side, and wherein neighboring winglets are separated by a gap between their neighboring sides. The central portion and the side portions form a three-dimensional basin when the absorbent core is folded along the folding guides. The absorbent core is substantially free of cellulose fibers. The article further may comprise at least one liquid management layer substantially free of superabsorbent polymer between the topsheet and the absorbent core.Type: GrantFiled: February 16, 2016Date of Patent: December 22, 2020Assignee: The Procter & Gamble CompanyInventors: Bruno Johannes Ehrnsperger, Hans Adolf Jackels, Claus Peter Stoelzel, Christine Elisabeth Zipf
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Publication number: 20200390615Abstract: The invention relates to a disposable absorbent pant comprising a central chassis and elasticized front and rear belt. The central chassis comprises an absorbent core with an absorbent layer. The absorbent layer comprises a continuous channel formed therein.Type: ApplicationFiled: July 13, 2020Publication date: December 17, 2020Inventors: Carsten Heinrich KREUZER, Ernesto Gabriel BIANCHI, Bruno Johannes EHRNSPERGER, Ling TONG, Claus Peter STOELZEL
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Publication number: 20200000647Abstract: A package comprising a stack of absorbent articles which are bi- or tri-folded, and each article comprises a topsheet, a backsheet, and an absorbent core between the topsheet and the backsheet. The absorbent core comprises an absorbent layer comprising a central portion, a first side portion and a second side portion, a first folding guide between the central portion and the first side portion, and a second folding guide between the central portion and the second side portion. Each side portion comprises a plurality of winglets, each winglet having a proximal side relative to a folding guide and extending outward from this proximal side. Neighboring winglets are separated by a gap between their neighboring sides. When the absorbent core is folded along the folding guides, the central portion and the side portions form a three-dimensional basin and the gaps between the winglets decrease, the neighboring sides optionally coming into contact.Type: ApplicationFiled: September 12, 2019Publication date: January 2, 2020Inventors: Bruno Johannes EHRNSPERGER, Hans Adolf JACKELS, Claus Peter STOELZEL, Christine Elisabeth ZIPF, Roland ENGEL
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Patent number: 10456305Abstract: A package comprising a stack of absorbent articles which are bi- or tri-folded, and each article comprises a topsheet, a backsheet, and an absorbent core between the topsheet and the backsheet. The absorbent core comprises an absorbent layer comprising a central portion, a first side portion and a second side portion, a first folding guide between the central portion and the first side portion, and a second folding guide between the central portion and the second side portion. Each side portion comprises a plurality of winglets, each winglet having a proximal side relative to a folding guide and extending outward from this proximal side. Neighboring winglets are separated by a gap between their neighboring sides. When the absorbent core is folded along the folding guides, the central portion and the side portions form a three-dimensional basin and the gaps between the winglets decrease, the neighboring sides optionally coming into contact.Type: GrantFiled: February 16, 2016Date of Patent: October 29, 2019Assignee: The Procter & Gamble CompanyInventors: Bruno Johannes Ehrnsperger, Hans Adolf Jackels, Claus Peter Stoelzel, Sr., Christine Elisabeth Zipf, Roland Engel
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Patent number: 10137040Abstract: An absorbent article, such as a diaper, comprising a topsheet, a backsheet and an absorbent core. The absorbent layer comprises a longitudinally-extending central portion, and a first and second side portions disposed transversally outward of the central portion. The absorbent core further comprises first and second folding guides between the central portion and the side portions. The central portion and the side portions form a three-dimensional basin when the absorbent core is folded along the folding guides. The article further comprises at least one liquid management layer substantially free of superabsorbent polymer between the topsheet and the absorbent core. The liquid management layer comprises a central portion, first and second side portions, and first and second folding guides which are at least partially superposed with the folding guides of the absorbent core.Type: GrantFiled: February 16, 2016Date of Patent: November 27, 2018Assignee: The Procter & Gamble CompanyInventors: Bruno Johannes Ehrnsperger, Hans Adolf Jackels, Claus Peter Stoelzel, Christine Elisabeth Zipf
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Publication number: 20160235595Abstract: An absorbent core comprising a core wrap having a top layer and a bottom layer enclosing an absorbent layer comprising superabsorbent polymer, wherein the absorbent core is substantially free of cellulose fibers. The absorbent layer comprises a non-rectangular central portion having a front edge, a back edge and two longitudinally-extending side edges, wherein each side edge defines a recess along a portion of its length; a first side portion present in one of the recess and a second side portion present in the other recess, wherein each side portion comprises a proximal edge relative to the central portion and a distal edge further away from the central portion. The proximal edges of the side portions are convex; and either the distal edges of the side portions are concave so that the side portions are crescent-shaped; or the distal edges of the side portions is straight, and optionally flush with the side edges of the central layer outside the portion of the longitudinal edge defining the recesses.Type: ApplicationFiled: February 16, 2016Publication date: August 18, 2016Inventors: Bruno Johannes EHRNSPERGER, Hans Adolf JACKELS, Claus Peter STOELZEL, Christine Elisabeth ZIPF
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Publication number: 20160235605Abstract: An absorbent article such as a diaper comprises a topsheet, a backsheet and an absorbent core. The absorbent layer comprises at least a longitudinally-extending central portion, and a first and second side portions disposed transversally outward of the central portion. The absorbent core further comprises first and second folding guides between the central portion and the side portions. Each side portion comprises a plurality of winglets, each winglet having a proximal side relative to a folding guide and extending outward from this proximal side, and wherein neighboring winglets are separated by a gap between their neighboring sides. The gaps between the winglets comprise at least one gap which has a substantially constant width and at least one gap which has a generally triangular shape. The central portion and the side portions form a three-dimensional basin when the absorbent core is folded along the folding guides.Type: ApplicationFiled: February 16, 2016Publication date: August 18, 2016Inventors: Bruno Johannes EHRNSPERGER, Hans Adolf JACKELS, Claus Peter STOELZEL, SR., Christine Elisabeth ZIPF
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Publication number: 20160235594Abstract: An absorbent article such as a diaper comprises a topsheet, a backsheet and an absorbent core. The absorbent layer comprises at least a longitudinally-extending central portion, and a first and second side portions disposed transversally outward of the central portion. The absorbent core further comprises first and second folding guides between the central portion and the side portions. Each side portion comprises a plurality of winglets, each winglet having a proximal side relative to a folding guide and extending outward from this proximal side, and wherein neighboring winglets are separated by a gap between their neighboring sides. The central portion and the side portions form a three-dimensional basin when the absorbent core is folded along the folding guides. The article further may comprise at least one liquid management layer substantially free of superabsorbent polymer between the topsheet and the absorbent core. The absorbent core may be substantially free of cellulose fibers.Type: ApplicationFiled: February 16, 2016Publication date: August 18, 2016Inventors: Bruno Johannes EHRNSPERGER, Hans Adolf JACKELS, Claus Peter STOELZEL, SR., Christine Elisabeth ZIPF
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Publication number: 20160235604Abstract: An absorbent article such as a diaper comprises a topsheet, a backsheet and an absorbent core. The absorbent layer comprises at least a longitudinally-extending central portion, and a first and second side portions disposed transversally outward of the central portion. The absorbent core further comprises first and second folding guides between the central portion and the side portions. Each side portion comprises a plurality of winglets, each winglet having a proximal side relative to a folding guide and extending outward from this proximal side, and wherein neighboring winglets are separated by a gap between their neighboring sides. The central portion and the side portions form a three-dimensional basin when the absorbent core is folded along the folding guides. The top layer of the core wrap is bonded to the bottom layer of the core wrap through the folding guides and/or at least some of the gaps between the winglets. The absorbent core may be substantially free of cellulose fibers.Type: ApplicationFiled: February 16, 2016Publication date: August 18, 2016Inventors: Bruno Johannes EHRNSPERGER, Hans Adolf JACKELS, Claus Peter STOELZEL, SR., Christine Elisabeth ZIPF
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Publication number: 20160235597Abstract: A package comprising a stack of absorbent articles which are bi- or tri-folded, and each article comprises a topsheet, a backsheet, and an absorbent core between the topsheet and the backsheet. The absorbent core comprises an absorbent layer comprising a central portion, a first side portion and a second side portion, a first folding guide between the central portion and the first side portion, and a second folding guide between the central portion and the second side portion. Each side portion comprises a plurality of winglets, each winglet having a proximal side relative to a folding guide and extending outward from this proximal side. Neighboring winglets are separated by a gap between their neighboring sides. When the absorbent core is folded along the folding guides, the central portion and the side portions form a three-dimensional basin and the gaps between the winglets decrease, the neighboring sides optionally coming into contact.Type: ApplicationFiled: February 16, 2016Publication date: August 18, 2016Inventors: Bruno Johannes EHRNSPERGER, Hans Adolf JACKELS, Claus Peter STOELZEL, SR., Christine Elisabeth ZIPF, Roland ENGEL
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Publication number: 20160235602Abstract: An absorbent article, such as a diaper, comprising a topsheet, a backsheet and an absorbent core. The absorbent layer comprises a longitudinally-extending central portion, and a first and second side portions disposed transversally outward of the central portion. The absorbent core further comprises first and second folding guides between the central portion and the side portions. The central portion and the side portions form a three-dimensional basin when the absorbent core is folded along the folding guides. The article further comprises at least one liquid management layer substantially free of superabsorbent polymer between the topsheet and the absorbent core. The liquid management layer comprises a central portion, first and second side portions, and first and second folding guides which are at least partially superposed with the folding guides of the absorbent core.Type: ApplicationFiled: February 16, 2016Publication date: August 18, 2016Inventors: Bruno Johannes EHRNSPERGER, Hans Adolf JACKELS, Claus Peter STOELZEL, SR., Christine Elisabeth ZIPF
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Publication number: 20160235603Abstract: An absorbent article such as a diaper comprises a topsheet, a backsheet and an absorbent core. The absorbent layer comprises at least a longitudinally-extending central portion, and a first and second side portions disposed transversally outward of the central portion. The absorbent core further comprises first and second curved folding guides between the central portion and the side portions. Each side portion comprises a plurality of winglets, each winglet having a proximal side relative to a folding guide and extending outward from this proximal side, and wherein neighboring winglets are separated by a gap between their neighboring sides. The central portion and the side portions form a three-dimensional basin when the absorbent core is folded along the folding guides. The absorbent core is substantially free of cellulose fibers. The article further may comprise at least one liquid management layer substantially free of superabsorbent polymer between the topsheet and the absorbent core.Type: ApplicationFiled: February 16, 2016Publication date: August 18, 2016Inventors: Bruno Johannes EHRNSPERGER, Hans Adolf JACKELS, Claus Peter STOELZEL, SR., Christine Elisabeth ZIPF
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Publication number: 20160235596Abstract: An absorbent article such as a diaper comprises a topsheet, a backsheet and an absorbent core. The absorbent layer comprises at least a longitudinally-extending central portion, and a first and second side portions disposed transversally outward of the central portion. The absorbent core further comprises first and second folding guides between the central portion and the side portions. The central portion and the side portions form a three-dimensional basin when the absorbent core is folded along the folding guides. The article further comprises at least one liquid management layer which may be at least partially disposed between the topsheet and the absorbent core. The liquid management layer does not extend outwardly beyond the folding guides. The liquid management layer may be a carded, resin-bonded nonwoven layer.Type: ApplicationFiled: February 16, 2016Publication date: August 18, 2016Inventors: Bruno Johannes EHRNSPERGER, Hans Adolf JACKELS, Claus Peter STOELZEL, SR., Christine Elisabeth ZIPF