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Nhan, WI

Davis-Dang Nhan, Appleton, WI US

Patent application numberDescriptionPublished
20090036850Sensor products using conductive webs - Presented is an absorbent article including a chassis including 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 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; and first and second conductive elements contained in the chassis, the conductive elements extending from the waist region to the crotch region without intersecting, the first and second conductive elements forming part of a circuit that is configured to sense the presence of a substance, wherein the conductive elements include a conductive nonwoven web including conductive fibers.02-05-2009
20090062757Wetness indicator with hydrophanous element for an absorbent article - An absorbent article is provided for absorbing a liquid, the absorbent article including a chassis including a liner, an outer cover, and an absorbent structure positioned between the liner and the outer cover, the chassis including 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 wetness indicator positioned adjacent the liner or the outer cover, the wetness indicator including a hydrophanous tissue layer having an absorbent-structure-facing side and being in liquid communication with the absorbent structure or the liner, and an indicator material disposed between the absorbent-facing side of the tissue layer and the absorbent structure. The absorbent article can also include a film layer disposed adjacent the tissue layer, and the indicator material can include an active constituent adapted to wick along the tissue layer when the absorbent article is insulted.03-05-2009

Davis-Dang H. Nhan, Appleton, WI US

Patent application numberDescriptionPublished
20090036012Conductive webs - Conductive nonwoven webs are disclosed. The nonwoven webs contain pulp fibers combined with conductive fibers. In one embodiment, the webs are made in a wetlaid tissue making process.02-05-2009
20090036015Conductive Webs - Conductive nonwoven webs are disclosed. The nonwoven webs contain pulp fibers combined with conductive fibers. In one embodiment, the webs are made in a wetlaid tissue making process.02-05-2009
20090295657Radiating Element For A Signal Emitting Apparatus - A radiating element made from a conductive-nonwoven web is incorporated into a signal emitting apparatus. The signal emitting apparatus, for instance, may comprise an RFID tag. The conductive-nonwoven web contains, in one embodiment, conductive fibers combined with pulp fibers. The conductive fibers may comprise carbon fibers. The nonwoven web may be made using a conventional paper-making process. The resulting conductive web is not only well suited for use as an antenna, but is also relatively inexpensive to manufacture and can be easily incorporated into numerous products.12-03-2009
20090321238Conductive Webs Containing Electrical Pathways and Method For Making Same - Presented is a variety of products and apparatuses employing a conductive nonwoven web. Products and apparatuses include an RFID system, a radiofrequency shielding system, a flexible electronic circuit component, a heating element, an antenna, an electromagnetic energy shield, a membrane switch, a keypad, and a packaging system. In one embodiment, the conductive nonwoven web contains conductive carbon fibers in combination with pulp fibers and/or synthetic fibers. Electric pathways are formed into the conductive material using ultrasonic energy. The electric pathways can be used to produce various electronic devices.12-31-2009
20100114046Training Progress Indicator - The present subject matter relates to absorbent articles and signaling devices for use therewith. An absorbent article may be provided with selected electrical components used as wetness or other type sensors which may be determined by a coupled signaling device. An attached signaling device may automatically determine physiological changes of a wearer of the absorbent article including increases in void volume over time, increases in time between voids and proximity to bathroom fixtures. The signaling device may provide data analysis and/or display, and may provide remote alarm functions.05-06-2010
20100155006Conductive Webs and Process For Making Same - Conductive nonwoven webs are disclosed. The nonwoven webs contain pulp fibers combined with conductive fibers. In one embodiment, the webs are made in a wetlaid tissue or paper making process. The pulp fibers contained in the webs may comprise softwood fibers, while the conductive fibers may comprise carbon fibers. Base webs can be produced having a resistance of less than about 100 Ohms/square in one embodiment. Once produced, the conductive material can be cut into slits that are then wound on spools. From the spools, the conductive slits can be fed into a process for making any suitable product.06-24-2010
20100164733Remote Detection Systems For Absorbent Articles - Signaling systems are disclosed that indicate a change in an absorbent article, such as the presence of a body fluid. The various different signaling systems disclosed do not include any conductive elements contained on the interior of the article as were required in the past. Instead, the changes are monitored from the outer cover of the article. In one embodiment, for instance, conductive zones are formed directly into the outer cover for forming the signaling system. Alternatively, a sensor may be mounted to the outer cover of the article for monitoring changes within the article. The sensor may comprise, for instance, a temperature sensor, a conductivity sensor, an optical sensor, a vibration sensor, a humidity sensor, a material expansion sensor, a chemical sensor, or the like.07-01-2010

Patent applications by Davis-Dang H. Nhan, Appleton, WI US

Davis-Dang Hoang Nhan, Appleton, WI US

Patent application numberDescriptionPublished
20080268663Conductive Hook and Loop Printed Circuit Board Attachment - 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.10-30-2008
20090176385CONDUCTIVE CONNECTOR ATTACHMENT HAVING A SOLDER MATERIAL FOR A PRINTED CIRCUIT BOARD - 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.07-09-2009
20090294435Heating Articles Using Conductive Webs - 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.12-03-2009
20100248507CONDUCTIVE HOOK AND LOOP ATTACHMENT FOR A PRINTED CIRCUIT BOARD - 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.09-30-2010
20110112498STRETCHABLE ABSORBENT ARTICLE - 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.05-12-2011
20110114245STRETCHABLE ABSORBENT ARTICLE - 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.05-19-2011
20110144602Absorbent Article With Shorter Rise And Tactile Training Cue - A pant-like absorbent article is provided including an absorbent chassis defining a waist opening and first and second leg openings, the absorbent chassis including an absorbent assembly. The absorbent chassis has a longitudinal length and the waist opening having an unstretched circumference, such that the longitudinal length is proportional to the unstretched circumference of the waist opening by a ratio less than 0.82. The absorbent article also includes a wetness indicator for alerting a wearer to a release of liquid body exudates, the wetness indicator including a physical sensation agent responsive to liquid body exudates received by the absorbent article to facilitate a physical sensation against the wearer's skin for alerting the wearer to the wearer's release of liquid body exudates.06-16-2011
20110152806ABSORBENT ARTICLE HAVING A SIGNAL COMPOSITE - 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.06-23-2011

Patent applications by Davis-Dang Hoang Nhan, Appleton, WI US