Patents by Inventor Trong On Do
Trong On Do 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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Publication number: 20160089468Abstract: Described are modulating coatings that are configured to provide an improved release profile of a volatile composition from a base material, wherein the modulating coating includes a barrier substance that is configured to hinder a release of the volatile composition through the modulating coating, and a hygroscopic substance that is configured to facilitate the release of the volatile composition through the modulating coating.Type: ApplicationFiled: September 25, 2015Publication date: March 31, 2016Inventors: Bao Trong Do, Eric Mehnert, Nicholas D. McKay, JR., Candace Branch, Jeffrey Sherwood
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Patent number: 9226502Abstract: A fibrous web that includes a cationic polymer that contains a cationic monomer comprising a cationic functional group having an affinity for the negatively charged cell walls of bacteria and a hydrophobic monomer comprising a hydrophobic functional group is provided. The molar ratio of the cationic monomer to the hydrophobic monomer is greater than about 1:1. The affinity of the cationic polymer for the bacteria allows the web to capture bacteria, thereby removing them from a surface or liquid, without the use of harsh chemicals, and also inhibiting their spread to other surfaces and liquids that may contact the web.Type: GrantFiled: March 31, 2014Date of Patent: January 5, 2016Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Cindy Korir-Morrison, Jonathan Hofmekler, Cesar Z. Morales, David William Koenig, Bao Trong Do
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Patent number: 9149552Abstract: Described are modulating coatings that are configured to provide an improved release profile of a volatile composition from a base material, wherein the modulating coating includes a barrier substance that is configured to hinder a release of the volatile composition through the modulating coating, and a hygroscopic substance that is configured to facilitate the release of the volatile composition through the modulating coating.Type: GrantFiled: September 29, 2014Date of Patent: October 6, 2015Assignee: EnviroScent, Inc.Inventors: Bao Trong Do, Eric Mehnert, Nicholas D. McKay, Jr., Candace Branch, Jeffrey Sherwood
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Publication number: 20150272117Abstract: A fibrous web that includes a cationic polymer that contains a cationic monomer comprising a cationic functional group having an affinity for the negatively charged cell walls of bacteria and a hydrophobic monomer comprising a hydrophobic functional group is provided. The molar ratio of the cationic monomer to the hydrophobic monomer is greater than about 1:1. The affinity of the cationic polymer for the bacteria allows the web to capture bacteria, thereby removing them from a surface or liquid, without the use of harsh chemicals, and also inhibiting their spread to other surfaces and liquids that may contact the web.Type: ApplicationFiled: March 31, 2014Publication date: October 1, 2015Applicant: Kimberly-Clark Worldwide, Inc.Inventors: Cindy Korir-Morrison, Jonathan Hofmekler, Cesar Z. Morales, David William Koenig, Bao Trong Do
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Patent number: 9012716Abstract: A technique for incorporating odor control agent particles into an absorbent article is provided. More specifically, the odor control particles are “homogenously” distributed (e.g., in a substantially uniform manner) within an airformed fiber matrix of an absorbent core of an absorbent article. An absorbent core containing such a homogeneously distributed odor control particles may possess a greater surface area for contacting malodorous compounds, thereby increasing the likelihood of odor reduction.Type: GrantFiled: June 29, 2010Date of Patent: April 21, 2015Assignee: Kimberly-Clark Worldwide, Inc.Inventors: David Arthur Fell, Megan Lan, William Anthony Georger, Kelly Davis Arehart, Bao Trong Do, Stephanie Michelle Martin
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Patent number: 8871232Abstract: A wipe that includes a bacteriostatic agent that contains cations having an affinity for the negatively charged cell walls of bacteria is provided. The affinity of the bacteriostatic agent for the bacteria allows the wipe to capture bacteria, thereby removing them from a surface and also inhibiting their spread to other surfaces that may contact the wipe. Of particular advantage, the bacteriostatic agent may help protect against the spread or infection of pathogens without the use of chemicals, such as antiseptics or antibiotics. Still further, the wipe of the present invention also contains a solvatochromatic indicator that undergoes a color change in the presence of a broad spectrum of bacteria. Thus, when the wipe captures bacteria, the indicator undergoes a color change that signals to the user that the wipe is functioning properly. The lack of a color change may likewise provide the user with the assurance that the area is generally free of bacteria and clean.Type: GrantFiled: December 13, 2007Date of Patent: October 28, 2014Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Stephanie M. Martin, John Gavin MacDonald, Bao Trong Do
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Patent number: 8685178Abstract: A method of preparing metal-modified silica particles is disclosed. Specifically, a treatment chamber is provided in which a first and a second formulation are ultrasonically mixed to prepare metal-modified silica particles. The treatment chamber has an elongate housing through which the first and second formulations flow longitudinally from a first inlet port and a second inlet port, respectively, to an outlet port thereof. An elongate ultrasonic waveguide assembly extends within the housing and is operable at a predetermined ultrasonic frequency to ultrasonically energize the formulations within the housing. An elongate ultrasonic horn of the waveguide assembly is disposed at least in part intermediate the inlet and outlet ports, and has a plurality of discrete agitating members in contact with and extending transversely outward from the horn intermediate the inlet and outlet ports in longitudinally spaced relationship with each other.Type: GrantFiled: December 15, 2008Date of Patent: April 1, 2014Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Bao Trong Do, Thomas David Ehlert, Robert Allen Janssen, John Gavin MacDonald, Paul Warren Rasmussen, Shiming Zhuang
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Patent number: 8506978Abstract: A tissue product comprising an additive composition onto at least the surface of a fibrous article in order to increase the surface potential of the article, while retaining or improving manufacturing efficiency is disclosed. The additive composition comprises a bacteriostatic component and more preferably a water-soluble adhesive component and a bacteriostatic component. In some aspects, the additive may also contain additional water-soluble modifier components. Tissue products according to the present disclosure can attract and trap negatively charged matter, such as bacteria, into the tissue web. As such, tissue products can pickup bacteria from a surface and substantially hold the bacteria in the sheet to help prevent spreading bacteria to other surfaces.Type: GrantFiled: December 28, 2010Date of Patent: August 13, 2013Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Dave Allen Soerens, Cathleen Mae Uttecht, Bao Trong Do, SooYeon Oh
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Publication number: 20120164206Abstract: A tissue product comprising an additive composition onto at least the surface of a fibrous article in order to increase the surface potential of the article, while retaining or improving manufacturing efficiency is disclosed. The additive composition comprises a bacteriostatic component and more preferably a water-soluble adhesive component and a bacteriostatic component. In some aspects, the additive may also contain additional water-soluble modifier components. Tissue products according to the present disclosure can attract and trap negatively charged matter, such as bacteria, into the tissue web. As such, tissue products can pickup bacteria from a surface and substantially hold the bacteria in the sheet to help prevent spreading bacteria to other surfaces.Type: ApplicationFiled: December 28, 2010Publication date: June 28, 2012Inventors: Dave Allen Soerens, Cathleen Mae Uttecht, Bao Trong Do, SooYeon Oh
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Patent number: 8178081Abstract: A method for reducing odor is provided. The method comprises forming a coordination complex between a transition metal and a polydentate compound, and contacting the coordinated complex with an odorous compound. The transition metal provides one or more active sites for capturing the odorous compound. In some embodiments, the polydentate compound may be a polyalkylimine, such as polyethyleneimine, polypropyleneimine, or a dendrimer thereof.Type: GrantFiled: July 13, 2010Date of Patent: May 15, 2012Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Bin Wu, Kevin P. McGrath, Jaeho Kim, Bao Trong Do, Sharon Linda Greene, Yanbin Huang, Kaiyuan Yang
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Patent number: 8168563Abstract: A substrate for reducing odor is provided. The substrate contains silica particles bonded to a transition metal through a covalent or coordinate bond. The transition metal provides one or more active sites for capturing an odorous compound.Type: GrantFiled: October 21, 2008Date of Patent: May 1, 2012Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Bao Trong Do, John Gavin MacDonald, Jaeho Kim
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Patent number: 8163388Abstract: A composition comprising particles with a transition metal imbedded therein is disclosed. Specifically, the mole ratio of transition metal to particles is from about 25:1 to about 50:1. The composition is prepared in the presence of ultrasonic energy. The particles are selected from the group consisting of organic particles, inorganic particles, and metal particles.Type: GrantFiled: December 15, 2008Date of Patent: April 24, 2012Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Bao Trong Do, Thomas David Ehlert, Robert Allen Janssen, John Gavin MacDonald, Paul Warren Rasmussen, Shiming Zhuang
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Patent number: 8066956Abstract: A wiping product is disclosed containing an odor control agent. In one embodiment, the wipe may comprise a pre-moistened wipe containing a wiping solution. The wiping solution can contain the odor control agent. The odor control agent may comprise inorganic oxide particles, quinone compounds, or activated carbon particles. The odor control agent can be present in the wipe and can be configured to transfer to an opposing surface. In one embodiment, the pre-moistened wipe can be used during diaper changing to reduce malodors given off by the diaper after being discarded.Type: GrantFiled: December 15, 2006Date of Patent: November 29, 2011Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Bao Trong Do, John Gavin MacDonald, Stephanie Michelle Martin, Duane G. Uitenbroek
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Patent number: 7976855Abstract: This invention relates to modified high surface area materials, such as nanoparticles that are coated with metal ions, and articles treated with the modified high surface area materials. The modified nanoparticles have active sites that bind various gases and/or odorous compounds, thereby removing these compounds from a medium such as air or water. Metal ions are adsorbed onto the surface of the nanoparticle and bound strongly to the surface. By selection of the metal ion, specific gaseous compounds and/or odorous compounds can be targeted and removed efficiently and effectively from both aqueous phase and from the air. The modified nanoparticles are applied to nonwoven webs to provide odor removing articles for industrial and consumer use in refrigerators and trash containers.Type: GrantFiled: September 15, 2005Date of Patent: July 12, 2011Assignee: Kimberly-Clark Worldwide, Inc.Inventors: John Gavin MacDonald, Bao Trong Do, Kelly D. Arehart
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Publication number: 20110081528Abstract: Dry paper towel sheets are provided with a cleaning-related scent and a functional visual indicia to indicate the capability of the sheets to remove 99 or greater percent of germs when used to wipe hard surfaces.Type: ApplicationFiled: October 1, 2009Publication date: April 7, 2011Inventors: Thomas Gerard Shannon, Maurizio Tirimacco, Bao Trong Do, Megan Kathryn Millard, Raegan Elyse Allen
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Patent number: 7837663Abstract: The present invention relates to a visual indicating device and an article for controlling odors, in particular foot, garbage, basement, cooking, pet, tobacco, feces and urine odors. The article comprises a visual indicating agent that is color sensitive to the odor, and optionally, an odor absorbing agent. The visual indicating agent changes color when the article has been exposed to a sufficient amount of odor to saturate the article. The indicating agent may be applied in differing concentrations to two or more zones so as to indicate to a user of the article how much of the odor absorbing capacity has been used, or conversely, how much of the odor absorbing capacity remains. Suitable visual indicating agents that change color in response to odors are also described. The article for controlling odors may be a disposable odor absorbing sheet, air freshening product, diaper, undergarment pad, face mask, air filtration device, sanitary napkin, tampon, panty shield or incontinence pad.Type: GrantFiled: October 16, 2003Date of Patent: November 23, 2010Assignee: Kimberly-Clark Worldwide, Inc.Inventors: John Gavin MacDonald, RameshBabu Boga, Jaeho Kim, Bao Trong Do, Irene Kuznetsov
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Publication number: 20100292661Abstract: A technique for incorporating odor control agent particles into an absorbent article is provided. More specifically, the odor control particles are “homogenously” distributed (e.g., in a substantially uniform manner) within an airformed fiber matrix of an absorbent core of an absorbent article. An absorbent core containing such a homogeneously distributed odor control particles may possess a greater surface area for contacting malodorous compounds, thereby increasing the likelihood of odor reduction.Type: ApplicationFiled: June 29, 2010Publication date: November 18, 2010Applicant: KIMBERLY-CLARK WORLDWIDE, INC.Inventors: David Arthur Fell, Megan Lan, William Anthony Georger, Kelly Davis Arehart, Bao Trong Do, Stephanie Michelle Martin
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Publication number: 20100275915Abstract: A method for reducing odor is provided. The method comprises forming a coordination complex between a transition metal and a polydentate compound, and contacting the coordinated complex with an odorous compound. The transition metal provides one or more active sites for capturing the odorous compound. In some embodiments, the polydentate compound may be a polyalkylimine, such as polyethyleneimine, polypropyleneimine, or a dendrimer thereof.Type: ApplicationFiled: July 13, 2010Publication date: November 4, 2010Applicant: Kimberly-Clark Worldwide, Inc.Inventors: Bin Wu, Kevin P. McGrath, Jaeho Kim, Bao Trong Do, Sharon Linda Greene, Yanbin Huang, Kaiyuan Yang
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Patent number: 7745685Abstract: A technique for incorporating odor control agent particles into an absorbent article is provided. More specifically, the odor control particles are “homogenously” distributed (e.g., in a substantially uniform manner) within an airformed fiber matrix of an absorbent core of an absorbent article. An absorbent core containing such a homogeneously distributed odor control particles may possess a greater surface area for contacting malodorous compounds, thereby increasing the likelihood of odor reduction.Type: GrantFiled: October 31, 2005Date of Patent: June 29, 2010Assignee: Kimberly-Clark Worldwide, Inc.Inventors: David Arthur Fell, Megan Lan, William Anthony Georger, Kelly Davis Arehart, Bao Trong Do, Stephanie Michelle Martin
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Publication number: 20100150859Abstract: A method of preparing metal-modified silica particles is disclosed. Specifically, a treatment chamber is provided in which a first and a second formulation are ultrasonically mixed to prepare metal-modified silica particles. The treatment chamber has an elongate housing through which the first and second formulations flow longitudinally from a first inlet port and a second inlet port, respectively, to an outlet port thereof. An elongate ultrasonic waveguide assembly extends within the housing and is operable at a predetermined ultrasonic frequency to ultrasonically energize the formulations within the housing. An elongate ultrasonic horn of the waveguide assembly is disposed at least in part intermediate the inlet and outlet ports, and has a plurality of discrete agitating members in contact with and extending transversely outward from the horn intermediate the inlet and outlet ports in longitudinally spaced relationship with each other.Type: ApplicationFiled: December 15, 2008Publication date: June 17, 2010Applicant: KIMBERLY-CLARK WORLDWIDE, INC.Inventors: Bao Trong Do, Thomas David Ehlert, Robert Allen Janssen, John Gavin MacDonald, Paul Warren Rasmussen, Shiming Zhuang