Patents by Inventor Stefanie Lutter

Stefanie Lutter 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: 10561545
    Abstract: The present invention relates to an absorbent structure and an absorbent article containing said absorbent structure. The absorbent structure, having a sequence of layers connected together, comprises a first outer absorbent layer made from airlaid material, a second outer absorbent layer made from airlaid material, and a fluid storage layer made from airlaid material arranged between the first and second outer absorbent layers, wherein the airlaid material of the first outer absorbent layer comprises first cellulose fibres, the airlaid material of the second outer absorbent layer comprises second cellulose fibres and the airlaid material of the fluid storage layer comprises third cellulose fibres and super-absorbent components, wherein the first and second cellulose fibres have a lower pH value than the third cellulose fibres and the pH value of the first and second cellulose fibres is less than 5.0.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: February 18, 2020
    Inventors: Anselm Ebert, Joerg Eilers, Stefanie Lutter, Henning Roettger
  • Publication number: 20170348166
    Abstract: The present invention relates to an absorbent structure and an absorbent article containing said absorbent structure. The absorbent structure, having a sequence of layers connected together, comprises a first outer absorbent layer made from airlaid material, a second outer absorbent layer made from airlaid material, and a fluid storage layer made from airlaid material arranged between the first and second outer absorbent layers, wherein the airlaid material of the first outer absorbent layer comprises first cellulose fibres, the airlaid material of the second outer absorbent layer comprises second cellulose fibres and the airlaid material of the fluid storage layer comprises third cellulose fibres and super-absorbent components, wherein the first and second cellulose fibres have a lower pH value than the third cellulose fibres and the pH value of the first and second cellulose fibres is less than 5.0.
    Type: Application
    Filed: December 21, 2015
    Publication date: December 7, 2017
    Inventors: Anselm EBERT, Joerg EILERS, Stefanie LUTTER, Henning ROETTGER
  • Patent number: 9408942
    Abstract: The invention relates to an absorbent structure having a sequence of layers, comprising at least one first and one second outer layer and at least one liquid storage layer arranged therebetween, wherein the layers are arranged on top of each other and form a layer structure, wherein at least the liquid storage layer comprises a cellulose material, preferably cellulose fibers, and a super-absorbent polymer SAP, preferably SAP particles and/or SAP fibers, wherein the liquid storage layer comprises at least less, preferably no, binder than liquid-storing layers of the absorbent structure adjacent to the liquid storage layer. The absorbent structure has particularly high flexibility in the wet and the dry state. It can preferably be used in disposable items. The invention further relates to a method for producing the absorbent structure and to a device for producing same.
    Type: Grant
    Filed: January 28, 2011
    Date of Patent: August 9, 2016
    Assignee: GLATFELTER FALKENHAGEN GMBH
    Inventors: Henning Röttger, Stefanie Lutter, Ralf Ehmke
  • Publication number: 20120302983
    Abstract: The invention relates to an absorbent structure having a sequence of layers, comprising at least one first and one second outer layer and at least one liquid storage layer arranged therebetween, wherein the layers are arranged on top of each other and form a layer structure, wherein at least the liquid storage layer comprises a cellulose material, preferably cellulose fibers, and a super-absorbent polymer SAP, preferably SAP particles and/or SAP fibers, wherein the liquid storage layer comprises at least less, preferably no, binder than liquid-storing layers of the absorbent structure adjacent to the liquid storage layer. The absorbent structure has particularly high flexibility in the wet and the dry state. It can preferably be used in disposable items. The invention further relates to a method for producing the absorbent structure and to a device for producing same.
    Type: Application
    Filed: January 28, 2011
    Publication date: November 29, 2012
    Applicant: Glatfelter Falkenhagen GmbH
    Inventors: Henning Röttger, Stefanie Lutter, Ralf Ehmke
  • Publication number: 20110184365
    Abstract: An absorbing structure has a sequence of layers, including at least first and second outer layers with at least a liquid storage layer disposed therebetween. The layers are disposed on top of one another and form a layered structure. At least the liquid storage layer has a cellulose material, preferably cellulose fibers, and a super absorbing polymer SAP, preferably SAP particles and/or SAP fibers. The liquid storage layer uses at least less binder material than the other liquid storing plies of the absorbing structure. The liquid storing plies are adjacent to the liquid storage layer. Preferably, the liquid storage layer does not have binder material.
    Type: Application
    Filed: January 28, 2010
    Publication date: July 28, 2011
    Inventors: Henning Röttger, Stefanie Lutter, Ralf Ehmke