Patents by Inventor Claus Peter STOELZEL, SR.

Claus Peter STOELZEL, SR. 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).

  • Patent number: 10893984
    Abstract: 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: Grant
    Filed: February 16, 2016
    Date of Patent: January 19, 2021
    Assignee: The Procter & Gamble Company
    Inventors: Bruno Johannes Ehrnsperger, Hans Adolf Jackels, Claus Peter Stoelzel, Sr., Christine Elisabeth Zipf
  • Patent number: 10456305
    Abstract: 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: Grant
    Filed: February 16, 2016
    Date of Patent: October 29, 2019
    Assignee: The Procter & Gamble Company
    Inventors: Bruno Johannes Ehrnsperger, Hans Adolf Jackels, Claus Peter Stoelzel, Sr., Christine Elisabeth Zipf, Roland Engel
  • Publication number: 20160235602
    Abstract: 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: Application
    Filed: February 16, 2016
    Publication date: August 18, 2016
    Inventors: Bruno Johannes EHRNSPERGER, Hans Adolf JACKELS, Claus Peter STOELZEL, SR., Christine Elisabeth ZIPF
  • Publication number: 20160235605
    Abstract: 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: Application
    Filed: February 16, 2016
    Publication date: August 18, 2016
    Inventors: Bruno Johannes EHRNSPERGER, Hans Adolf JACKELS, Claus Peter STOELZEL, SR., Christine Elisabeth ZIPF
  • Publication number: 20160235596
    Abstract: 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: Application
    Filed: February 16, 2016
    Publication date: August 18, 2016
    Inventors: Bruno Johannes EHRNSPERGER, Hans Adolf JACKELS, Claus Peter STOELZEL, SR., Christine Elisabeth ZIPF
  • Publication number: 20160235597
    Abstract: 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: Application
    Filed: February 16, 2016
    Publication date: August 18, 2016
    Inventors: Bruno Johannes EHRNSPERGER, Hans Adolf JACKELS, Claus Peter STOELZEL, SR., Christine Elisabeth ZIPF, Roland ENGEL
  • Publication number: 20160235604
    Abstract: 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: Application
    Filed: February 16, 2016
    Publication date: August 18, 2016
    Inventors: Bruno Johannes EHRNSPERGER, Hans Adolf JACKELS, Claus Peter STOELZEL, SR., Christine Elisabeth ZIPF
  • Publication number: 20160235603
    Abstract: 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: Application
    Filed: February 16, 2016
    Publication date: August 18, 2016
    Inventors: Bruno Johannes EHRNSPERGER, Hans Adolf JACKELS, Claus Peter STOELZEL, SR., Christine Elisabeth ZIPF
  • Publication number: 20160235594
    Abstract: 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: Application
    Filed: February 16, 2016
    Publication date: August 18, 2016
    Inventors: Bruno Johannes EHRNSPERGER, Hans Adolf JACKELS, Claus Peter STOELZEL, SR., Christine Elisabeth ZIPF