Patents by Inventor Cornelia Sprengard-Eichel
Cornelia Sprengard-Eichel 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).
-
Publication number: 20220249302Abstract: Disclosed is an absorbent body for an absorbent article, comprising: 1) a first topsheet facing the wearer, the first topsheet being a water permeable nonwoven layer comprising eccentric bicomponent fibers, and having a basis weight of at least about 20 gsm, 2) a second topsheet disposed on the garment facing side of the first topsheet, the second topsheet being a nonwoven layer comprising spunbond fibers and having a positive, at least about 100%, Accumulative One-way Transport Capacity according to the National Standards of the People's Republic of China GB/T 21655.2-2009, wherein the basis weight of the second topsheet is the same or smaller than the basis weight of the first topsheet; 3) an absorbent core disposed on the garment facing side of the second topsheet, and 4) a water impermeable backsheet disposed on the garment facing side of the absorbent core.Type: ApplicationFiled: January 24, 2022Publication date: August 11, 2022Inventors: Fengchun YE, Gueltekin ERDEM, Songmei ZHOU, Hui LIU, Cornelia SPRENGARD-EICHEL, Luigi DI GIROLAMO-GALASSO
-
Patent number: 11369527Abstract: A topsheet for an absorbent article is provided and has at least a first layer. The first layer comprises at least 15% by weight of natural fibers by total weight of the first layer. The first layer has a plurality of apertures. The first layer comprises land areas between a majority of the apertures. The contact angle on the land areas of the first layer between the majority of the apertures is more than 70° according to the contact angle test method. The topsheet has a run-off of less than 40% according to the run-off test method.Type: GrantFiled: April 12, 2019Date of Patent: June 28, 2022Assignee: The Procter & Gamble CompanyInventors: Rodrigo Rosati, Gueltekin Erdem, Cornelia Sprengard-Eichel, Luigi Di Girolamo-Galasso, Andrea Lieselotte Benner
-
Patent number: 11291595Abstract: A topsheet for use in an absorbent article is provided and has at least a first layer. The first layer comprises at least 15% by weight of natural fibers by total weight of the first layer. The first layer has a plurality of apertures. The first layer comprises land areas between the plurality of the apertures. The contact angle on the land areas of the first layer between the plurality of the apertures is more than 70°, according to the Contact Angle Test Method. The topsheet has a run-off of less than 40%, according to the Run-off Test Method.Type: GrantFiled: September 25, 2018Date of Patent: April 5, 2022Assignee: The Procter & Gamble CompanyInventors: Rodrigo Rosati, Gueltekin Erdem, Cornelia Sprengard-Eichel, Luigi Di Girolamo-Galasso, Andrea Lieselotte Benner
-
Publication number: 20190240084Abstract: A topsheet for an absorbent article is provided and has at least a first layer. The first layer comprises at least 15% by weight of natural fibers by total weight of the first layer. The first layer has a plurality of apertures. The first layer comprises land areas between a majority of the apertures. The contact angle on the land areas of the first layer between the majority of the apertures is more than 70° according to the contact angle test method. The topsheet has a run-off of less than 40% according to the run-off test method.Type: ApplicationFiled: April 12, 2019Publication date: August 8, 2019Inventors: Rodrigo ROSATI, Gueltekin ERDEM, Cornelia SPRENGARD-EICHEL, Luigi DI GIROLAMO-GALASSO, Andrea Lieselotte BENNER
-
Publication number: 20190117473Abstract: A topsheet for use in an absorbent article is provided and has at least a first layer. The first layer comprises at least 15% by weight of natural fibers by total weight of the first layer. The first layer has a plurality of apertures. The first layer comprises land areas between the plurality of the apertures. The contact angle on the land areas of the first layer between the plurality of the apertures is more than 70°, according to the Contact Angle Test Method. The topsheet has a run-off of less than 40%, according to the Run-off Test Method.Type: ApplicationFiled: September 25, 2018Publication date: April 25, 2019Inventors: Rodrigo ROSATI, Gueltekin ERDEM, Cornelia SPRENGARD-EICHEL, Luigi DI GIROLAMO-GALASSO, Andrea Lieselotte BENNER
-
Publication number: 20160074244Abstract: An absorbent article for personal hygiene is provided and comprises a longitudinal axis, a transversal axis perpendicular to the longitudinal axis, a liquid permeable topsheet an acquisition layer, a liquid impermeable backsheet and an absorbent core. The absorbent core is located between the topsheet and backsheet and comprises an absorbent material. A width of the acquisition layer in a direction parallel to a transversal axis is less than a width of the topsheet in a direction parallel to the transversal axis. The absorbent article comprises a topsheet/acquisition layer laminate comprising the liquid permeable topsheet and the acquisition layer in a face to face relationship. The topsheet/acquisition layer laminate comprises three-dimensional protrusions extending from a plane of the topsheet/acquisition layer laminate. A Median Absorption Pressure (MAP) of the topsheet is equal to or larger than a Median Absorption Pressure of the acquisition layer, both according to the Capillary Sorption Test Method.Type: ApplicationFiled: September 3, 2015Publication date: March 17, 2016Inventors: Rodrigo ROSATI, Jill Marlene ORR, James T. KNAPMEYER, John B. STRUBE, Aniruddha CHATTERJEE, Matthew S. RITTER, Adrien GRENIER, Cornelia SPRENGARD-EICHEL, Steffen FISCHER
-
Patent number: 8653323Abstract: Absorbent article, wherein a liquid acquisition/distribution region comprises an evaporation barrier, such as an apertured film and thus exhibits reduced evaporation away from the article in the direction towards the wearer.Type: GrantFiled: September 27, 2010Date of Patent: February 18, 2014Assignee: The Procter & Gamble CompanyInventors: Mattias Schmidt, Cornelia Sprengard-Eichel, Bruno Johannes Ehrnsperger
-
Publication number: 20110034895Abstract: Absorbent article, wherein a liquid acquisition/distribution region comprises an evaporation barrier, such as an apertured film and thus exhibits reduced evaporation away from the article in the direction towards the wearer.Type: ApplicationFiled: September 27, 2010Publication date: February 10, 2011Inventors: Mattias Schmidt, Cornelia Sprengard-Eichel, Bruno Johannes Ehrnsperger
-
Patent number: 7825290Abstract: Absorbent article, wherein a liquid acquisition/distribution region comprises an evaporation barrier, such as an apertured film and thus exhibits reduced evaporation away from the article in the direction towards the wearer.Type: GrantFiled: December 18, 2002Date of Patent: November 2, 2010Assignee: The Procter & Gamble CompanyInventors: Mattias Schmidt, Cornelia Sprengard-Eichel, Bruno Johannes Ehrnsperger
-
Patent number: 7291763Abstract: Absorbent articles which provide superior protection against wet through under impact or sustained pressure, and high convective air flow therethrough for skin health and comfort benefits. An absorbent article comprising an absorbent core and an absorbent barrier structure, wherein the absorbent barrier structure has a hydrohead value of at least about 10 mBars; a convective air permeability of at least about 10 Darcy/mm; and a liquid impact transmission value of less than about 20 g/m2.Type: GrantFiled: March 20, 2006Date of Patent: November 6, 2007Assignee: The Procter and Gamble CompanyInventors: Srinivas Krishnaswamy Mirle, Mattias Schmidt, John Ferney McKibben, Cornelia Sprengard-Eichel, Suna Polat
-
Patent number: 7179951Abstract: Absorbent articles which provide superior protection against wet through under impact or sustained pressure, and high convective air flow therethrough for skin health and comfort benefits. In particular, an absorbent article comprising an absorbent core and an absorbent barrier structure, wherein the absorbent barrier structure has a hydrohead value of at least about 10 mBars; a convective air permeability of at least about 10 Darcy/mm; and a liquid impact transmission value of less than about 20 g/m2.Type: GrantFiled: October 7, 2002Date of Patent: February 20, 2007Assignee: The Procter & Gamble CompanyInventors: Srinivas Krishnaswamy-Mirle, Mattias Schmidt, John Ferney McKibben, Cornelia Sprengard-Eichel, Suna Polat
-
Publication number: 20060160452Abstract: The present invention relates to absorbent articles which provide superior protection against wet through under impact or sustained pressure, and high convective air flow therethrough for skin health and comfort benefits. In particular, the present invention relates to an absorbent article comprising an absorbent core and an absorbent barrier structure, wherein the absorbent barrier structure has a hydrohead value of at least about 10 mBars; a convective air permeability of at least about 10 Darcy/mm; and a liquid impact transmission value of less than about 20 g/m2.Type: ApplicationFiled: March 20, 2006Publication date: July 20, 2006Inventors: Srinivas Mirle, Mattias Schmidt, John McKibben, Cornelia Sprengard-Eichel, Suna Polat
-
Patent number: 6989471Abstract: An absorbent article which includes a phase change material capable of adding or removing heat to or from at least a portion of the absorbent article to perform a useful function on the article. The phase change material may be activated by an action of the wearer or caregiver or by environmental conditions between the article and wearer.Type: GrantFiled: February 7, 2001Date of Patent: January 24, 2006Assignee: The Procter & Gamble CompanyInventors: Mattias Schmidt, Mark James Kline, Bruno Johannes Ehrnsperger, Cornelia Sprengard-Eichel, Bruce Ernest Tepper
-
Patent number: 6791004Abstract: An absorbent article which includes a thermal cell actuator capable of adding or removing heat to or from at least a portion of the absorbent article to perform a useful function on the article. The thermal cell actuator may be activated by an action of the wearer or caregiver or by environmental conditions between the article and wearer.Type: GrantFiled: February 7, 2001Date of Patent: September 14, 2004Assignee: The Procter & Gamble CompanyInventors: Cornelia Sprengard-Eichel, Mark James Kline, Bruno Johannes Ehrnsperger, Tracey Elaine Beckman, Constance Lee Fisher, Mattias Schmidt, Donald Carroll Roe, Bruce Ernest Tepper
-
Publication number: 20030097101Abstract: Absorbent article, wherein a liquid acquisition/distribution region comprises an evaporation barrier, such as an apertured film and thsu exhibits reduced evaporation away from the article in the direction towards the wearer.Type: ApplicationFiled: December 18, 2002Publication date: May 22, 2003Applicant: The Procter & Gamble CompanyInventors: Mattias Schmidt, Cornelia Sprengard-Eichel, Bruno Johannes Ehrnsperger
-
Publication number: 20030097107Abstract: The present invention relates to absorbent articles providing improved aeration between the article and the wearer's skin during use. The absorbent articles allow for convective gas/air transport therethrough by providing absorbent cores having sufficient basis capacity simultaneous with air/gas permeability.Type: ApplicationFiled: December 19, 2002Publication date: May 22, 2003Applicant: The Procter & Gamble CompanyInventors: Cornelia Sprengard-Eichel, Matthias Konrad Hippe, Bruno Johannes Ehrnsperger, Mattias Schmidt
-
Publication number: 20030065298Abstract: Absorbent articles with improved protection and comfort by use of an absorbent barrier structure. This is achieved by the selection of individual components meeting specific requirements such that the combination thereof provides the absorbent articles with desired performance.Type: ApplicationFiled: October 7, 2002Publication date: April 3, 2003Applicant: The Procter & Gamble CompanyInventors: Srinivas Krishnaswamy-Mirle, Mattias Schmidt, John Ferney McKibben, Cornelia Sprengard-Eichel, Suna Polat
-
Publication number: 20020035354Abstract: The present invention relates to absorbent articles with improved protection and comfort by use of an absorbent barrier structure. This is achieved by the selection of individual components meeting specific requirements such that the combination thereof provides the absorbent articles having desired performance.Type: ApplicationFiled: June 18, 2001Publication date: March 21, 2002Applicant: The Procter & Gamble CompanyInventors: Srinivas Krishnaswamy Mirle, Mattias Schmidt, John Ferney McKibben, Cornelia Sprengard-Eichel, Suna Polat
-
Publication number: 20010023340Abstract: An absorbent article which includes a thermal cell actuator capable of adding or removing heat to or from at least a portion of the absorbent article to perform a useful function on the article. The thermal cell actuator may be activated by an action of the wearer or caregiver or by environmental conditions between the article and wearer.Type: ApplicationFiled: February 7, 2001Publication date: September 20, 2001Inventors: Cornelia Sprengard-Eichel, Mark James Kline, Bruno Johannes Ehrnsperger, Tracey Elaine Beckman, Constance Lee Fisher, Mattias Schmidt, Donald Carroll Roe, Bruce Ernest Tepper
-
Publication number: 20010021833Abstract: An absorbent article which includes a phase change material capable of adding or removing heat to or from at least a portion of the absorbent article to perform a useful function on the article. The phase change material may be activated by an action of the wearer or caregiver or by environmental conditions between the article and wearer.Type: ApplicationFiled: February 7, 2001Publication date: September 13, 2001Inventors: Mattias Schmidt, Mark James Kline, Bruno Johannes Ehrnsperger, Cornelia Sprengard-Eichel, Bruce Ernest Tepper