1
Gary Dean LaVon, Hyun Sung Lim, J Michael McKenna, George Joseph Ostapchenko, Shailaja R Vaidya, Theodora Beck, John Joseph Curro: Absorbent articles exhibiting improved internal environmental conditions. The Procter & Gamble Co, William Scott Andes, August 17, 1999: US05938648 (233 worldwide citation)

The present invention relates to absorbent articles such as diapers, adult incontinence garments, and feminine hygiene products. The present invention further relates to such absorbent articles having outer coverings designed to provide breathability and promote more healthy internal environmental c ...


2
Nora Liu Carroll, Hyun Sung Lim, George Joseph Ostapchenko, Shailaja R Vaidya, J Michael Mc Kenna, John Joseph Curro, Gary Dean Lavon, Richard L Sparks: Breathable composite sheet structure and absorbent articles utilizing same. E I du Pont de Nemours and Company, Proctor and Gamble, January 13, 2004: US06677258 (174 worldwide citation)

A breathable composite sheet material, a method for making such a sheet material, and an absorbent article utilizing the sheet material are provided. The composite sheet material is comprised of a thermoplastic film adhered directly to a fibrous substrate. The thermoplastic film comprises at least 5 ...


3
Nora Liu Carroll, Hyun Sung Lim, George Joseph Ostapchenko, Shailaja R Vaidya, J Michael McKenna, John Joseph Curro, Gary Dean Lavon, Richard L Sparks: Breathable composite sheet structure and absorbent articles utilizing same. The Procter & Gamble Company, Dara M Kendall, John P Colbert, Matthew P Fitzpatrick, December 11, 2007: US07307031 (70 worldwide citation)

A breathable composite sheet material, a method for making such a sheet material, and an absorbent article utilizing the sheet material are provided. The composite sheet material is comprised of a thermoplastic film adhered directly to a fibrous substrate. The thermoplastic film comprises at least 5 ...


4
Hyun Sung Lim, J Michael McKenna, George Joseph Ostapchenko, Shailaja R Vaidya, John Joseph Curro, Gary Dean Lavon: Breathable composite sheet structure. E I du Pont de Nemours and Company, February 13, 2001: US06187696 (42 worldwide citation)

A moisture vapor permeable, substantially liquid impermeable composite sheet material comprising a fibrous substrate and a moisture vapor permeable thermoplastic film layer. The moisture vapor permeable film has an average thickness of less than 25 microns, a peel strength of at least 0.1 N/cm, a dy ...


5
Vishal Bansal, Hyun Sung Lim, Harry Vaughn Samuelson, Michael Robert Samuels: Flame retardant fabric. E I du Pont de Nemours and Company, January 24, 2006: US06989194 (37 worldwide citation)

A flame retardant fabric comprising bicomponent fibers having a sheath and a core wherein the sheath comprises a fully aromatic thermoplastic polymer with a Limited Oxygen Index of at least 26 and the core comprises a thermoplastic polymer.


6
David Charles Jones, Hyun Sung Lim: Method of manufacturing a composite filter media. E I du Pont de Nemours and Company, April 12, 2011: US07922959 (33 worldwide citation)

A method of making a composite filter media includes, in an exemplary embodiment, forming a nonwoven fabric mat that includes a plurality of synthetic fibers by a spunbond process, and calendering the nonwoven fabric mat with embossing calender rolls to form a bond area pattern comprising a pluralit ...


7
Michael Allen Bryner, Joseph Brian Hovanec, David C Jones, Hyun Sung Lim, B Lynne Wiseman: Filtration media for filtering particulate material from gas streams. E I du Pont de Nemours and Company, June 26, 2007: US07235122 (33 worldwide citation)

Filtration media are disclosed for use in high efficiency air filters for filtering particulate matter in air. The media make use of at least one layer of fibers having a diameter less than 1000 nanometers sandwiched between two scrim layers to achieve high efficiency particulate air (HEPA) filtrati ...


8
Hyun Sung Lim, George Joseph Ostapchenko: Composite sheet material. E I du Pont de Nemours and Company, June 25, 2002: US06410465 (31 worldwide citation)

A moisture vapor permeable, substantially liquid impermeable composite sheet material includes a powder-bonded nonwoven web adhered to a moisture vapor permeable thermoplastic film. The nonwoven web includes a first layer comprised primarily of fibers that are compatible with an adhesive used to bon ...


9
Hyun Sung Lim, Larry R Marshall, Wazir Nobbee, Jennifer Marie Warren: Flash-spun sheet material. E I Du Pont de Nemours and Company, March 7, 2000: US06034008 (17 worldwide citation)

This invention relates to improved sheets of flash-spun plexifilamentary film-fibrils useful in fluid microfiltration and sterile packaging. The sheet material suitable for use in microfiltration of liquids has a permeability that causes a pressure drop of less than 21 kPa at a water flow rate per u ...


10
Alan Smithies, Jack T Clements, David Charles Jones, Hyun Sung Lim: Method of manufacturing a composite filter media. BHA Group, E I duPont de Nemours and Company, Armstrong Teasdale, April 19, 2011: US07927540 (11 worldwide citation)

A method of making a composite filter media includes, in an exemplary embodiment, forming a nonwoven fabric mat that includes a plurality of synthetic fibers by a spunbond process, and calendaring the nonwoven fabric mat with embossing calendar rolls to form a bond area pattern comprising a pluralit ...