Patents by Inventor Dang Hoang
Dang Hoang 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: 8866052Abstract: A heating article is provided including a heating element including a first layer of nonwoven fibers mixed with conductive fibers, wherein the layer is divided to include a conductive region and a nonconductive region, wherein the conductive region extends in a co-extensive and co-planar pattern in a majority of the layer, and wherein the conductive region has first and second ends, and a power source removably coupled to the first and second ends. The first layer can include nonwoven fibers mixed with non-metallic conductive fibers. The heating article can also include a second layer superposed with the first layer, wherein the second layer is substantially free of non-metallic conductive fibers.Type: GrantFiled: May 28, 2009Date of Patent: October 21, 2014Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Davis-Dang Hoang Nhan, Sudhanshu Gakhar, Thomas Michael Ales, III, Sridhar Ranganathan
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Patent number: 8852381Abstract: A method for making an absorbent article includes the steps of applying a layer of adhesive composition to a stretchable substrate and applying a layer of particulate superabsorbent material to the adhesive composition after applying the adhesive composition to the stretchable substrate.Type: GrantFiled: January 19, 2011Date of Patent: October 7, 2014Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Davis Dang Hoang Nhan, Mark M. Mleziva, Lawrence H. Sawyer, Peiguang Zhou
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Publication number: 20140242715Abstract: Color-change compositions for detecting urine and feces volatiles include the following pH indicator dyes: m-Cresol Purple, Basic Fuchsin, Brilliant Blue G, Brilliant Blue R, Cresol Red and Thymol Blue. The compositions may be applied to various substrates. Such substrates may be used in the construction of a personal care absorbent article such as a diaper, training pant or incontinence garment.Type: ApplicationFiled: February 28, 2013Publication date: August 28, 2014Applicant: KIMBERLY-CLARK WORLDWIDE, INC.Inventors: Davis-Dang Hoang Nhan, Sridhar Ranganathan, JunMo Gil, Xuedong Song
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Publication number: 20140188063Abstract: A wetness sensing system for use with an absorbent article includes a holding fixture adapted to be attached to the outer surface of the absorbent article by a consumer, the holding fixture including a first attachment arm having an article-facing side including a first attachment material affixed thereto, and a sensor band including a sensor and having an article-facing side including a second attachment material affixed thereto, wherein the second attachment material has an area and is in a proportion of the area to the weight of the system, and wherein the sensor band has a bending stiffness of less than 30 gf cm?2/cm. The system also includes a signaling device coupled to the holding fixture and in electrical communication with the sensor, wherein the system is adapted to sense wetness within the article without the use of conductors within the absorbent article.Type: ApplicationFiled: December 27, 2012Publication date: July 3, 2014Applicant: KIMBERLY-CLARK WORLDWIDE, INC.Inventors: Davis-Dang Hoang Nhan, Sudhanshu Gakhar, Kristen Alene Decker, Brent Charles Otis, Paulin Pawar
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Publication number: 20140155850Abstract: A liquid detection system includes an absorbent article for personal wear having a liquid permeable liner, an outer cover, and an absorbent body disposed between the liner and the outer cover. The article also includes at least one graphic element, a conductive pattern at least partially superposed with the graphic element, and a barrier layer disposed between the graphic element and the conductive pattern. A non-invasive signaling device is selectively attachable to the outer cover of the absorbent article in overlying relationship with the conductive pattern. The signaling device is adapted to detect the presence of liquid within the absorbent article.Type: ApplicationFiled: December 5, 2012Publication date: June 5, 2014Applicant: KIMBERLY-CLARK WORLDWIDE, INC.Inventors: Gopal Manoj Shah, Davis Dang Hoang Nhan, Sudhanshu Gakhar, Stacy Averic Mundschau
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Patent number: 8603058Abstract: An absorbent article generally has a longitudinal axis, a lateral axis, a front waist region, a back waist region, and a crotch region extending longitudinally between and interconnecting said front and back waist regions. The article comprises an outer cover stretchable in at least the lateral direction and a liner in opposed relationship with the outer cover and stretchable in at least the lateral direction. An absorbent structure is disposed between the liner and the outer cover and extends from the crotch region to at least one of the front waist region and the back waist region of the article. The article has an attachment zone and at least one non-attachment zone laterally adjacent the attachment zone. The absorbent structure is configured for improved lateral stretch distribution of the article.Type: GrantFiled: June 28, 2012Date of Patent: December 10, 2013Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Michael D. Sperl, Davis Dang Hoang Nhan
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Publication number: 20130144237Abstract: An absorbent article includes a chassis including a bodyside liner, an outer cover having an interior surface and an exterior surface, and an absorbent structure positioned adjacent the interior surface of the outer cover, the chassis including an insult zone and a crotch region positioned in between a front region and a back region, the front region and the back region defining a waist region therebetween. The absorbent article also includes a sensor element disposed in or on the chassis, the sensor element extending from a proximal end in the waist region to at least the insult zone and in fluid communication with the insult zone, the sensor element including a multi-layer wicking material.Type: ApplicationFiled: December 6, 2011Publication date: June 6, 2013Inventors: Jose Kollakompil Abraham, Davis-Dang Hoang Nhan, Ning Wei, Sridhar Ranganathan
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Patent number: 8450555Abstract: An absorbent article having a stretchable substrate and an absorbent composite comprising a layer of adhesive composition in contact with the stretchable substrate. A layer of particulate superabsorbent material is applied to and held by the adhesive composition. The absorbent composite is secured to the substrate by the adhesive composition. The stretchable substrate has a recovery in at least one of the lateral direction and the longitudinal directions of the article as determined by an Elongation and Recovery Test, and the absorbent article has a recovery in the at least one of the lateral direction and the longitudinal direction as determined by the Elongation and Recovery Test that is at least about 60 percent of the recovery of the substrate in the at least one of the lateral direction and the longitudinal direction.Type: GrantFiled: December 6, 2010Date of Patent: May 28, 2013Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Davis Dang Hoang Nhan, Mark M. Mleziva, Lawrence H. Sawyer, Peiguang Zhou
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Publication number: 20130110063Abstract: An absorbent article incorporating a non-contact electronic sensor array that may indicate the presence of a body exudate is disclosed. In particular, the absorbent article includes at least a non-contact electronic sensor array that may include one or more gas sensors, a controller and a signaling device. The signaling device is capable of alerting a user (wearer or caregiver) that an insult of urine or bowel movement has occurred. In accordance with the present disclosure, various attachment mechanisms are disclosed for attaching the non-contact electronic sensor array, controller and signaling device to an absorbent article.Type: ApplicationFiled: October 28, 2011Publication date: May 2, 2013Applicant: KIMBERLY-CLARK WORLDWIDE, INC.Inventors: Jose K. Abraham, Kathy Geralyn Richardson, Davis Dang Hoang Nhan, Theodore T. Tower, Candace Dyan Krautkramer, John Gavin MacDonald
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Publication number: 20130110061Abstract: An electronic discriminating device incorporating a non-contact electronic sensor array, a controller, and a signaling device that may indicate the presence of urine and/or bowel movement is disclosed. In particular, the electronic discriminating device can discriminate between an insult of urine only and an insult containing bowel movement. The device can then generate different alerts based on the type of insult. The electronic discriminating device may also emit a signal at or near the opening of an absorbent article or transmit the alert wirelessly to a radio, computer device, or smartphone.Type: ApplicationFiled: October 28, 2011Publication date: May 2, 2013Applicant: KIMBERLY-CLARK WORLDWIDE, INC.Inventors: Jose K. Abraham, Davis Dang Hoang Nhan, Theodore T. Tower, Candace Dyan Krautkramer, Kathy Geralyn Richardson, John Gavin MacDonald
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Patent number: 8426669Abstract: An absorbent article comprises a signal composite comprising a carrier substrate layer, a first stimulation layer, a second stimulation layer, a first thermoplastic adhesive layer and a second thermoplastic adhesive layer. The carrier substrate layer is disposed as a bottom layer of the signal composite. The first stimulation layer comprises a first stimulation material and is disposed above and adjacent to the carrier substrate layer. The second stimulation layer comprises a second stimulation material and is disposed above and adjacent to the first stimulation layer to provide the body-facing surface of the signal composite. The first thermoplastic adhesive layer is liquid permeable or water-soluble and is disposed between and adjacent to the carrier substrate layer and the first stimulation layer. The second thermoplastic adhesive layer is liquid permeable or water-soluble and is disposed between the first stimulation layer and the second stimulation layer.Type: GrantFiled: December 23, 2009Date of Patent: April 23, 2013Assignee: Kimberly-Clark Worldwide Inc.Inventors: Peiguang Zhou, Andrew Mark Long, Dave Allen Soerens, Kaiyuan Yang, Davis-Dang Hoang Nhan, Jun G. Zhang
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Publication number: 20130018340Abstract: A wetness monitoring system is provided for an absorbent article, the wetness monitoring system including a signaling device including an alarm to indicate that the absorbent article has reached an insult limit. The signaling device operates with a sensor array which is disposed on the outermost surface of the absorbent article outer cover. The signaling device includes a detection circuit which measures changes in inductance or capacitance. The wetness monitoring system does not make direct contact with the absorbent structure located within an outer cover of the absorbent article.Type: ApplicationFiled: July 15, 2011Publication date: January 17, 2013Inventors: Jose Kollakompil Abraham, Thomas Michael Ales, III, Sudhanshu Gakhar, Jeffrey Robert Heller, Davis Dang Hoang Nhan, Joseph Raymond Feldkamp, Sridhar Ranganathan
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Publication number: 20120271264Abstract: An absorbent article generally has a longitudinal axis, a lateral axis, a front waist region, a back waist region, and a crotch region extending longitudinally between and interconnecting said front and back waist regions. The article comprises an outer cover stretchable in at least the lateral direction and a liner in opposed relationship with the outer cover and stretchable in at least the lateral direction. An absorbent structure is disposed between the liner and the outer cover and extends from the crotch region to at least one of the front waist region and the back waist region of the article. The article has an attachment zone and at least one non-attachment zone laterally adjacent the attachment zone. The absorbent structure is configured for improved lateral stretch distribution of the article.Type: ApplicationFiled: June 28, 2012Publication date: October 25, 2012Applicant: KIMBERLY-CLARK WORLDWIDE, INC.Inventors: Michael D. Sperl, Davis Dang Hoang Nhan
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Patent number: 8246594Abstract: An absorbent article generally has a longitudinal axis, a lateral axis, a front waist region, a back waist region, and a crotch region extending longitudinally between and interconnecting said front and back waist regions. The article comprises an outer cover stretchable in at least the lateral direction and a liner in opposed relationship with the outer cover and stretchable in at least the lateral direction. An absorbent structure is disposed between the liner and the outer cover and extends from the crotch region to at least one of the front waist region and the back waist region of the article. The article has an attachment zone and at least one non-attachment zone laterally adjacent the attachment zone. The absorbent structure is configured for improved lateral stretch distribution of the article.Type: GrantFiled: December 30, 2004Date of Patent: August 21, 2012Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Michael D. Sperl, Davis Dang Hoang Hhan
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Patent number: 8215973Abstract: The present disclosure is directed to conductive connector attachments for use in electrically connecting printed circuit boards to absorbent products such as diapers, training pants, incontinence products, feminine hygiene products, and the like. Specifically, various configurations and methods of securely attaching conventional conductive hook and loop attachments to printed circuit boards are disclosed.Type: GrantFiled: May 24, 2011Date of Patent: July 10, 2012Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Thomas Michael Ales, Davis-Dang Hoang Nhan
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Publication number: 20120157947Abstract: A wetness sensing system for use with an absorbent article having an inner surface and an outer surface includes a reusable signaling device adapted to sense wetness without the use of conductors within the absorbent article, and a holding fixture adapted to be attached to the inner surface or the outer surface of the absorbent article by a consumer, wherein the signaling device is configured to be coupled to the holding fixture such that the signaling device is positioned adjacent the inner surface or the outer surface of the absorbent article.Type: ApplicationFiled: December 15, 2010Publication date: June 21, 2012Inventors: Davis-Dang Hoang Nhan, Sudhanshu Gakhar, Katie Josephine Kraus, Andrew Mark Long
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Publication number: 20120157948Abstract: A disposable absorbent article and a method for providing a disposable absorbent article having a urine insult volume indicator and a longitudinal centerline having a urine insult volume indicator and a longitudinal centerline includes a liquid permeable inner surface for facing a wearer; an outer cover having an outer surface for facing away from the wearer; an absorbent body disposed therebetween; and a front waist region, a back waist region, and a crotch region extending longitudinally between and interconnecting the front and back waist regions. The article also includes a two-dimensional pattern having a plurality of segments, a longitudinal extent, and a transverse extent, the pattern disposed between the absorbent core and the outer surface, wherein the pattern is in fluid contact with the absorbent core, and wherein a segment changes appearance when wetted and is visible from the outer surface when wetted.Type: ApplicationFiled: December 15, 2010Publication date: June 21, 2012Inventors: David-Dang Hoang Nhan, William Pitman Laratta, Thomas Michael Ales, III, Sandra Kay Knight
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Patent number: 8057454Abstract: Embodiments of the invention provide methods and systems for determining hydration of an article and/or a person. The physical and/or electrical properties of a device in the absorbent article may be altered by hydration received in the absorbent article. The alteration of the physical or electrical properties may indicate the amount of hydration in the absorbent article. Furthermore, a time period for receiving the hydration in the absorbent article may also be determined. The hydration of the person may be determined based on a fluid output rate from the person computed using the amount of hydration output from the person and the time period for receiving the hydration.Type: GrantFiled: August 25, 2006Date of Patent: November 15, 2011Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Andrew Mark Long, Davis Dang Hoang Nhan, Sridhar Ranganathan, Darold Dean Tippey, Andrew Thomas Baker, Thomas Michael Ales, III, Shawn Jeffery Sullivan
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Publication number: 20110223782Abstract: The present disclosure is directed to conductive connector attachments for use in electrically connecting printed circuit boards to absorbent products such as diapers, training pants, incontinence products, feminine hygiene products, and the like. Specifically, various configurations and methods of securely attaching conventional conductive hook and loop attachments to printed circuit boards are disclosed.Type: ApplicationFiled: May 24, 2011Publication date: September 15, 2011Applicant: KIMBERLY-CLARK WORLDWIDE, INC.Inventors: Thomas Michael Ales, Davis-Dang Hoang Nhan
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Publication number: 20110152806Abstract: An absorbent article comprises a signal composite comprising a carrier substrate layer, a first stimulation layer, a second stimulation layer, a first thermoplastic adhesive layer and a second thermoplastic adhesive layer. The carrier substrate layer is disposed as a bottom layer of the signal composite. The first stimulation layer comprises a first stimulation material and is disposed above and adjacent to the carrier substrate layer. The second stimulation layer comprises a second stimulation material and is disposed above and adjacent to the first stimulation layer to provide the body-facing surface of the signal composite. The first thermoplastic adhesive layer is liquid permeable or water-soluble and is disposed between and adjacent to the carrier substrate layer and the first stimulation layer. The second thermoplastic adhesive layer is liquid permeable or water-soluble and is disposed between the first stimulation layer and the second stimulation layer.Type: ApplicationFiled: December 23, 2009Publication date: June 23, 2011Inventors: Peiguang Zhou, Andrew Mark Long, Dave Allen Soerens, Kaiyuan Yang, Davis-Dang Hoang Nhan