Patents by Inventor Calvin Hoi Wung Cheng
Calvin Hoi Wung Cheng 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: 10993855Abstract: A nonwoven substrate for an absorbent article including a layer of fibers is provided. The nonwoven substrate has a low surface tension fluid strikethrough time to basis weight ratio in the range of about 0.37 s/gsm to about 5 s/gsm. A plurality of the fibers each include fibrils extending outwardly from a surface of the fibers. The plurality of the fibers are made from a composition including a polyolefin and about 11% to about 35% of glycerol tristearate by weight of the composition. The nonwoven substrate has a specific surface area in the range of about 1 m2/g to about 4 m2/g.Type: GrantFiled: July 10, 2018Date of Patent: May 4, 2021Assignee: The Procter & Gamble CompanyInventors: Calvin Hoi Wung Cheng, Olaf Erik Alexander Isele, Brian Udengaard
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Patent number: 10369060Abstract: An absorbent article to be worn the lower torso is provided. The absorbent article comprises a chassis comprising a topsheet, a backsheet, an absorbent core, and a pair of longitudinal barrier cuffs attached to the chassis. Each of the longitudinal barrier cuffs comprises a web of material. The web of material comprises a first nonwoven component layer, and a second nonwoven component layer. Each of the longitudinal barrier cuffs comprises a longitudinal zone of attachment where each of the longitudinal barrier cuff attaches to the chassis, a longitudinal free edge, and a plurality of mechanical bonds disposed between the longitudinal zone of attachment and the free edge. The plurality of mechanical bonds attach one of a first portion of the web of material to a second portion of the web of material, and the web of material to a portion of the absorbent article.Type: GrantFiled: May 17, 2016Date of Patent: August 6, 2019Assignee: The Procter & Gamble CompanyInventors: Calvin Hoi Wung Cheng, Rajeev Chhabra, Olaf Erik Alexander Isele, DeeAnn Ling Nelson
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Publication number: 20180318153Abstract: A nonwoven substrate for an absorbent article including a layer of fibers is provided. The nonwoven substrate has a low surface tension fluid strikethrough time to basis weight ratio in the range of about 0.37 s/gsm to about 5 s/gsm. A plurality of the fibers each include fibrils extending outwardly from a surface of the fibers. The plurality of the fibers are made from a composition including a polyolefin and about 11% to about 35% of glycerol tristearate by weight of the composition. The nonwoven substrate has a specific surface area in the range of about 1 m2/g to about 4 m2/g.Type: ApplicationFiled: July 10, 2018Publication date: November 8, 2018Inventors: Calvin Hoi Wung CHENG, Olaf Erik Alexander ISELE, Brian UDENGAARD
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Patent number: 10016319Abstract: A wipe comprises a nonwoven substrate comprising a layer of fibers. A plurality of the fibers comprise fibrils extending outwardly therefrom only after a time period. The time period is greater than about 24 hours post-nonwoven substrate formation under ambient conditions.Type: GrantFiled: September 22, 2015Date of Patent: July 10, 2018Assignee: The Procter & Gamble CompanyInventors: Calvin Hoi Wung Cheng, Olaf Erik Alexander Isele, Brian Udengaard
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Patent number: 9974700Abstract: The present disclosure is directed, in part, to an absorbent article comprising a liquid pervious material, a liquid impervious material, and an absorbent core disposed at least partially intermediate the liquid pervious material and the liquid impervious material. The absorbent article comprises one or more nonwoven substrates each comprising one or more layers of fibers. A plurality of the fibers each comprise a plurality of fibrils extending outwardly from a surface of the fibers. The plurality of fibrils comprise a lipid ester.Type: GrantFiled: December 7, 2015Date of Patent: May 22, 2018Assignee: The Procter & Gamble CompanyInventors: Calvin Hoi Wung Cheng, Olaf Erik Alexander Isele, Brian Udengaard
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Patent number: 9655789Abstract: An absorbent article to be worn about the lower torso, the absorbent article comprising a chassis comprising a topsheet, a backsheet, an absorbent core disposed between the topsheet and the backsheet, and a pair of longitudinal barrier cuffs attached to the chassis. Each longitudinal cuff is formed of a web of material, the web of material having first and second opposing surfaces. The web of material comprises a nonwoven component layer comprising fibers having a number-average diameter of less than about 1 micron, a mass-average diameter of less than about 1.5 microns, and a ratio of the mass-average diameter to the number-average diameter less than about 2. The absorbent article further comprises a hydrophobic coating disposed on at least one surface of the web of material such that a coated web of material is formed, the hydrophobic surface coating comprising a solventless, multicomponent silicone composition including at least two silicone polymers and being substantially free of aminosilicones.Type: GrantFiled: September 11, 2014Date of Patent: May 23, 2017Assignee: The Procter & Gamble CompanyInventors: Johannson Jimmy Tee, Jr., Olaf Erik Alexander Isele, Calvin Hoi Wung Cheng, Rajeev Chhabra, DeeAnn Ling Nelson, Kemal Vatansever Catalan
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Patent number: 9504610Abstract: The present disclosure is directed, in part, to a method of forming an absorbent article. The method comprises providing a nonwoven substrate comprising a plurality of fibers. At least some of the plurality of fibers comprise a plurality of fibrils extending outwardly from a surface of the fibers. The fibrils comprise a lipid ester having a melting point greater than 35° C. The method comprises incorporating the nonwoven substrate into the absorbent article.Type: GrantFiled: March 15, 2013Date of Patent: November 29, 2016Assignee: The Procter & Gamble CompanyInventors: Calvin Hoi Wung Cheng, Olaf Erik Alexander Isele, Brian Udengaard
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Publication number: 20160256335Abstract: An absorbent article to be worn the lower torso is provided. The absorbent article comprises a chassis comprising a topsheet, a backsheet, an absorbent core, and a pair of longitudinal barrier cuffs attached to the chassis. Each of the longitudinal barrier cuffs comprises a web of material. The web of material comprises a first nonwoven component layer, and a second nonwoven component layer. Each of the longitudinal barrier cuffs comprises a longitudinal zone of attachment where each of the longitudinal barrier cuff attaches to the chassis, a longitudinal free edge, and a plurality of mechanical bonds disposed between the longitudinal zone of attachment and the free edge. The plurality of mechanical bonds attach one of a first portion of the web of material to a second portion of the web of material, and the web of material to a portion of the absorbent article.Type: ApplicationFiled: May 17, 2016Publication date: September 8, 2016Inventors: Calvin Hoi Wung CHENG, Rajeev CHHABRA, Olaf Erik Alexander ISELE, DeeAnn Ling NELSON
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Patent number: 9364374Abstract: An absorbent article to be worn the lower torso is provided. The absorbent article comprises a chassis comprising a topsheet, a backsheet, an absorbent core, and a pair of longitudinal barrier cuffs attached to the chassis. Each of the longitudinal barrier cuffs comprises a web of material. The web of material comprises a first nonwoven component layer, and a second nonwoven component layer. Each of the longitudinal barrier cuffs comprises a longitudinal zone of attachment where each of the longitudinal barrier cuff attaches to the chassis, a longitudinal free edge, and a plurality of mechanical bonds disposed between the longitudinal zone of attachment and the free edge. The plurality of mechanical bonds attach one of a first portion of the web of material to a second portion of the web of material, and the web of material to a portion of the absorbent article.Type: GrantFiled: March 17, 2014Date of Patent: June 14, 2016Assignee: The Procter & Gamble CompanyInventors: Calvin Hoi Wung Cheng, Rajeev Chhabra, Olaf Erik Alexander Isele, DeeAnn Ling Nelson
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Publication number: 20160081861Abstract: The present disclosure is directed, in part, to an absorbent article comprising a liquid pervious material, a liquid impervious material, and an absorbent core disposed at least partially intermediate the liquid pervious material and the liquid impervious material. The absorbent article comprises one or more nonwoven substrates each comprising one or more layers of fibers. A plurality of the fibers each comprise a plurality of fibrils extending outwardly from a surface of the fibers. The plurality of fibrils comprise a lipid ester.Type: ApplicationFiled: December 7, 2015Publication date: March 24, 2016Inventors: Calvin Hoi Wung CHENG, Olaf Erik Alexander ISELE, Brian UDENGAARD
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Publication number: 20160007819Abstract: A wipe comprises a nonwoven substrate comprising a layer of fibers. A plurality of the fibers comprise fibrils extending outwardly therefrom only after a time period. The time period is greater than about 24 hours post-nonwoven substrate formation under ambient conditions.Type: ApplicationFiled: September 22, 2015Publication date: January 14, 2016Inventors: Calvin Hoi Wung CHENG, Olaf Erik Alexander ISELE, Brian UDENGAARD
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Patent number: 9205006Abstract: The present disclosure is directed, in part, to an absorbent article comprising a liquid pervious material, a liquid impervious material, and an absorbent core disposed at least partially intermediate the liquid pervious material and the liquid impervious material. The absorbent article comprises one or more nonwoven substrates each comprising one or more layers of fibers. A plurality of the fibers each comprise a plurality of fibrils extending outwardly from a surface of the fibers. The plurality of fibrils comprise a lipid ester.Type: GrantFiled: March 15, 2013Date of Patent: December 8, 2015Assignee: The Procter & Gamble CompanyInventors: Calvin Hoi Wung Cheng, Olaf Erik Alexander Isele, Brian Udengaard
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Publication number: 20150038930Abstract: An absorbent article to be worn about the lower torso, the absorbent article comprising a chassis comprising a topsheet, a backsheet, an absorbent core disposed between the topsheet and the backsheet, and a pair of longitudinal barrier cuffs attached to the chassis. Each longitudinal cuff is formed of a web of material, the web of material having first and second opposing surfaces. The web of material comprises a nonwoven component layer comprising fibers having a number-average diameter of less than about 1 micron, a mass-average diameter of less than about 1.5 microns, and a ratio of the mass-average diameter to the number-average diameter less than about 2. The absorbent article further comprises a hydrophobic coating disposed on at least one surface of the web of material such that a coated web of material is formed, the hydrophobic surface coating comprising a solventless, multicomponent silicone composition including at least two silicone polymers and being substantially free of aminosilicones.Type: ApplicationFiled: September 11, 2014Publication date: February 5, 2015Inventors: Johannson Jimmy TEE, JR., Olaf Erik Alexander Isele, Calvin Hoi Wung Cheng, Rajeev Chhabra, DeeAnn Ling Nelson, Kemal Vatansever Catalan
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Patent number: 8859843Abstract: An absorbent article comprising a chassis comprising a topsheet, a backsheet, an absorbent core disposed between the topsheet and the backsheet, and a pair of longitudinal barrier cuffs attached to the chassis. Each longitudinal cuff is formed of a web of material having first and second opposing surfaces and comprising a nonwoven component layer comprising fibers having a number-average diameter of less than about 1 micron, a mass-average diameter of less than about 1.5 microns, and a ratio of the mass-average diameter to the number-average diameter less than about 2. The absorbent article further comprises a hydrophobic coating disposed on at least one surface of the web of material.Type: GrantFiled: December 15, 2011Date of Patent: October 14, 2014Assignee: The Procter & Gamble CompanyInventors: Johannson Jimmy Tee, Jr., Olaf Erik Alexander Isele, Calvin Hoi Wung Cheng, Rajeev Chhabra, DeeAnn Ling Nelson, Kemal Vatansever Catalan
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Publication number: 20140259483Abstract: The present disclosure is directed, in part, to a wipe comprising a nonwoven substrate comprising one or more layers of fibers. A plurality of the fibers each comprise a plurality of fibrils extending outwardly from a surface of the fibers. The plurality of fibrils comprise a lipid ester.Type: ApplicationFiled: March 15, 2013Publication date: September 18, 2014Applicant: THE PROCTER & GAMBLE COMPANYInventors: Calvin Hoi Wung CHENG, Olaf Erik Alexander ISELE, Brian UDENGAARD
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Publication number: 20140272261Abstract: The present invention relates to a nonwoven substrate comprising a layer of fibers, wherein a plurality of the fibers each comprise a plurality of fibrils extending outwardly from a surface of the fibers, and wherein the plurality of fibrils comprise a lipid ester.Type: ApplicationFiled: March 13, 2014Publication date: September 18, 2014Inventors: Brian Udengaard, Olaf Erik Alexander Isele, Calvin Hoi Wung Cheng
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Publication number: 20140272223Abstract: The present disclosure is directed, in part, to a package for an article of commerce. The package comprises a nonwoven substrate comprising one or more layers of fibers. A plurality of the fibers each comprise a plurality of fibrils extending outwardly from a surface of the fibers in a central longitudinal third of the fibers. The plurality of fibrils comprise a lipid ester that has a melting point greater than 35° C. The plurality of fibers are free of droplets of the lipid ester.Type: ApplicationFiled: March 15, 2013Publication date: September 18, 2014Inventors: Calvin Hoi Wung CHENG, Olaf Erik Alexander ISELE, Brian UDENGAARD
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Publication number: 20140276512Abstract: The present disclosure is directed, in part, to an absorbent article comprising a liquid pervious material, a liquid impervious material, and an absorbent core disposed at least partially intermediate the liquid pervious material and the liquid impervious material. The absorbent article comprises one or more nonwoven substrates each comprising one or more layers of fibers. A plurality of the fibers each comprise a plurality of fibrils extending outwardly from a surface of the fibers. The plurality of fibrils comprise a lipid ester.Type: ApplicationFiled: March 15, 2013Publication date: September 18, 2014Inventors: Calvin Hoi Wung CHENG, Olaf Erik Alexander ISELE, Brian UDENGAARD
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Publication number: 20140272359Abstract: The present disclosure is directed, in part, to a nonwoven substrate comprising one or more layers of fibers. The nonwoven substrate has a specific surface area in the range of about 0.5m2/g to about 5m2/g.Type: ApplicationFiled: March 15, 2013Publication date: September 18, 2014Applicant: THE PROCTER & GAMBLE COMPANYInventors: Calvin Hoi Wung CHENG, Olaf Erik Alexander ISELE, Brian UDENGAARD
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Publication number: 20140259579Abstract: The present disclosure is directed, in part, to a method of forming an absorbent article. The method comprises providing a nonwoven substrate comprising a plurality of fibers. At least some of the plurality of fibers comprise a plurality of fibrils extending outwardly from a surface of the fibers. The fibrils comprise a lipid ester having a melting point greater than 35° C. The method comprises incorporating the nonwoven substrate into the absorbent article.Type: ApplicationFiled: March 15, 2013Publication date: September 18, 2014Inventors: Calvin Hoi Wung CHENG, Olaf Erik Alexander ISELE, Brian UDENGAARD