Silver Patents (Class 424/618)
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Patent number: 8815158Abstract: The present invention provides nanoparticles having bright fluorescence, where the total number of photons emitted from a single nanoparticle upon excitation with an excitation wavelength of the nanoparticle is at least 107, and giant Raman enhancements, where Raman signal for a molecule near a single nanoparticle increases at least 107 times. The nanoparticles of the invention comprise a plurality of crystallites that are each about 0.6 nm to about 10 nm in size. The present invention also provides methods for making the nanoparticles, which include mixing a matrix material with a reactant capable of being thermally reduced to form the nanoparticle; forming a mixed solid phase; and thermally reducing the mixed solid phase to form the nanoparticle.Type: GrantFiled: November 14, 2008Date of Patent: August 26, 2014Assignee: President and Fellows of Harvard CollegeInventors: Jie Zheng, Xiaowei Zhuang
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Publication number: 20140234429Abstract: The various embodiments herein provide super paramagnetic iron oxide nanoparticles (SPIONs). The SPIONs have a plurality of metallic coatings and plurality of polymeric gaps. The embodiments herein also provide a method of synthesizing the SPIONs with metallic rings and polymeric gaps. The metallic coatings form a ring like structure on the outer surface of the SPION. The SPION has a size of 13 nm. The ring has a thickness of 2-3 nm. The rings are one or more in number. The polymeric gaps have a thickness of 3-5 nm. The polymeric gaps are one or more in number. The method involves mixing the SPIONs with a plurality of polymers and then forming a metallic ring on the outer surface of the SPIONs. The SPIONs have anti-bacterial properties and stop a growth of bacterial biofilms. The SPIONs also have SERS properties.Type: ApplicationFiled: February 20, 2013Publication date: August 21, 2014Applicants: Pasteur Institute of IranInventors: Morteza Mahmoudi, Mohammad Ali Shokrgozar
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Patent number: 8808724Abstract: A medical device having an antimicrobial coating. The device has a first coating layer having an antimicrobial agent over at least part of the outer surfaces of the device. The first coating has an outer surface. There is a second discontinuous polymeric coating containing an antimicrobial agent, which is on top of and covering part of the outer surface of the first coating. The second discontinuous coating has a microstructure.Type: GrantFiled: October 28, 2009Date of Patent: August 19, 2014Assignee: Ethicon, Inc.Inventors: Frank Cichocki, Michael (Jake) Hamilton, Xintian Ming
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Publication number: 20140227369Abstract: Topical formulations for application to exposed body tissue.Type: ApplicationFiled: February 9, 2014Publication date: August 14, 2014Applicant: AIDANCE SKINCARE & TOPICAL SOLUTIONS LLCInventors: Perry Antelman, David Goldsmith, Shalom Lampert
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Publication number: 20140227370Abstract: A polysaccharide fibre useful in biomedical applications such as wound management is made as a bicomponent fibre with alginate and psyllium polymers. An antimicrobial silver salt may be incorporated. The fibre may be made by extruding an aqueous mixture of alkaline-solubilised psyllium and sodium alginate into a calcium chloride bath.Type: ApplicationFiled: December 5, 2012Publication date: August 14, 2014Applicant: University of BoltonInventors: Mohsen Miraftab, Rashid Masood
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Patent number: 8802120Abstract: Bioactive agrichemical concentrates and compositions having improved bioactivity comprising combinations of acid solutions and conventional bioactive agrichemical actives or formulations.Type: GrantFiled: September 14, 2012Date of Patent: August 12, 2014Assignee: Sciessent LLCInventor: Joseph J. Crudden
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Publication number: 20140220091Abstract: The present invention relates to a polymeric material having one or more nanoparticles embedded within the surface layer of a single side of the material. In some embodiments, the nanoparticles are microbiocidal nanoparticles which impart antimicrobial characteristics to the polymeric material within which they sprayed and pushed by are embedded.Type: ApplicationFiled: March 16, 2012Publication date: August 7, 2014Applicants: UNIVERSITY OF LIMERICK, WROCLAW UNIVERSITY OF TECHNOLOGY, WROCLAW MEDICAL UNIVERSITYInventors: Syed Tofail, Jacek Zeglinski, Patrick Cronin, Halina Podbielska, Ewa Dworniczek, Peter Tiernan, Roman Franiczek, Igor Buzalewicz, Magdalena Wawrzynska
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Publication number: 20140220153Abstract: The invention is generally directed to antimicrobial composition comprising a matrix material and both of silver and zinc distributed there through, wherein the matrix material comprises at least one of Si02, Ti02, Zr02, AI203, or Zeolite, and the uses of such compositions as anti-bacterial and acaricidal. The invention is also generally directed to antimicrobial composition comprising a matrix material arid both of silver and a metal selected from the group of noble or transition metals distributed there through, wherein the matrix material comprises at least one of Si02, Ti02, Zr02, AI203, or Zeolite, and the uses of such compositions as antibacterial and acaricidal.Type: ApplicationFiled: September 6, 2012Publication date: August 7, 2014Applicant: Nanox Tecnologia S/AInventors: Luiz Gustavo Pagotto Simões, Andre Luiz De Araújo, Daniel Tamassia Minozzi
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Publication number: 20140220152Abstract: Disclosed herein is a non-human animal model of protein aggregation cardiomyopathy. Also disclosed are compositions and methods of treating or preventing a condition in a subject caused or exacerbated by reductive stress. Also disclosed are compositions and methods of predicting, detecting, or monitoring reductive stress in a subject.Type: ApplicationFiled: September 12, 2013Publication date: August 7, 2014Applicant: University of Utah Research FoundationInventors: Ivor J. Benjamin, Namakal S. Rajasekaran, Thomas P. Kennedy
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Publication number: 20140220331Abstract: A surface treatment composition includes a surface treatment agent and an antimicrobial mixture comprising oxidizable antimicrobial particles distributed throughout a film-forming agent.Type: ApplicationFiled: February 2, 2013Publication date: August 7, 2014Applicant: Cosilion LLCInventors: Jeffrey M. Lord, Tom Tinerella, Robert C. Parker
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Publication number: 20140205640Abstract: Gelatinous foam, coated paper, fabric, and polymer materials combined with the Colloidal Silver or Gold additive to formulate products with antimicrobial surfaces. Some embodiments of the present invention can include gelatinous materials selected from a group consisting of thermosetting polymer, Styrene-Ethylene-Butadiene-Styrene polymer (SEBS), Thermoplastic Elastomer (TPE), and Polyurethane (PU) gelatin with and without a raised geometry on an outer surface and in any shape. The various embodiments include coated polymer sheets, polymer trays, bamboo and/or cotton towels and fabric, polymer foam, or polymer mats containing nano-silver or nano-gold in an scheduled and organized manner (with input/requests from the customer) to create permanent or semi-permanent anti-microbial surfaces.Type: ApplicationFiled: March 26, 2014Publication date: July 24, 2014Applicant: ECO PRODUCT GROUP LLCInventors: Franco Dokmanovich Harris, Thomas P. Davis
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Publication number: 20140205642Abstract: A method of preparing antimicrobial-containing polymeric products is provided, the method involving electrospinning a dispersion comprising a dispersible polymer, a fiberizing polymer, and one or more antimicrobial agents. The electrospun material is heated to remove solvent and the fiberizing polymer, giving a nonwoven polymeric material having antimicrobial agent incorporated therein. The material can be in the form of, for example, a non-woven sheet, tube, or covering.Type: ApplicationFiled: February 7, 2014Publication date: July 24, 2014Applicant: Zeus Industrial Products, Inc.Inventors: Robert L. Ballard, Bruce L. Anneaux, Joshua L. Manasco
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Publication number: 20140205546Abstract: Provided herein in some embodiments is a formulation comprising (a) one or more nanoscale particle; and (b) a film-forming polymer. In some instances, the formulation is an immediate and sustained released formulation suitable for topical administration or administration to surfaces. Also provided here in certain embodiments is a method of reducing the population of pathogenic microorganisms on skin or surfaces, the method comprising applying to the skin or surface a composition, the composition comprising (a) one or more nanoscale particle; and (b) a film-forming polymer.Type: ApplicationFiled: December 30, 2013Publication date: July 24, 2014Inventor: John A. Macoviak
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Patent number: 8784872Abstract: Formulations have been developed which assist individuals having an addiction such as smoking to reduce or quit engaging in the addictive behavior. Representative behaviors include smoking, excessive alcohol or food ingestion, drug addiction, and ingestion of caffeine or junk food providing quick “highs”. The formulations assist the smoker to become dissatisfied with smoking, until he or she willingly gives up the habit or at least cuts down on the number of cigarettes smoked per day as an initial step towards quitting in the future. The formulations can also be used in conjunction with other known formulations, such as nicotine gum or patch. The formulations contain hydrophilic polymers, for example, polyethylene glycol (PEG) alone or in combination or polyvinyl pyrrolidone (PVP) (also known as povidone or polyvidone alone or in combination.), sweeteners and/or flavorings, viscosity modifiers/binders, and pH or buffering agents.Type: GrantFiled: November 19, 2007Date of Patent: July 22, 2014Assignee: Comgenrx, Inc.Inventors: Bryan T. Oronsky, Neil C. Oronsky, Arnold L. Oronsky
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Patent number: 8771661Abstract: This invention relates to high surface area materials, such as nanoparticles, that are coated with metal ions. These 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 useful in numerous article of manufacture for industrial and consumer use.Type: GrantFiled: April 19, 2012Date of Patent: July 8, 2014Assignee: Kimberly-Clark Worldwide, Inc.Inventor: John Gavin MacDonald
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Publication number: 20140178249Abstract: The present invention is drawn to compositions, systems, and methods of disinfecting surfaces without the undesired staining often associated with silver composition. In one example, the composition includes water, a peroxygen, a silver component, and an alkyl or aryl salicylate.Type: ApplicationFiled: March 6, 2013Publication date: June 26, 2014Applicant: Solutions BioMed, LLCInventor: Solutions BioMed, LLC
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Publication number: 20140178496Abstract: Provided herein in some embodiments is a composition that comprises (a) a nanoscale particle(s) or a microscale particle(s); and (b) a film-forming polymer. Also provided herein is a method for an immediate and sustained released formulation suitable for topical administration or administration to surfaces. Further provided herein in certain embodiments is a method of reducing the population of pathogenic microorganisms on skin or surfaces, wherein a method comprises applying to the skin or surface a composition, wherein the composition comprises (a) a nanoscale particle(s) or a microscale particle(s); and (b) a film-forming polymer.Type: ApplicationFiled: December 13, 2013Publication date: June 26, 2014Inventors: John A. Macoviak, Wolfgang Wrasidlo, John Norton, Kristin Spivey, Steve Oldenberg, Aaron Saunders
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Publication number: 20140170238Abstract: This application is directed to compositions of particular combinations of antimicrobial components which may be incorporated into a polymeric molding compositions or polymeric coating compositions. The antimicrobial components include a alkylaminoalkyl(meth)acrylate polymer (b) and antimicrobial metal (a) containing components which lead to improved antimicrobial effects. The compositions are of special interest to durable touch surfaces found in hospitals and clinics. The compositions are also suitable for use in biomaterials such as catheters and the like.Type: ApplicationFiled: December 17, 2013Publication date: June 19, 2014Inventors: Nancy Nase Cliff, Bingham Scott Jaynes, Zhiqiang Song, Allison Guinta, Elke Feese, Matthew Edward Gande
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Patent number: 8753691Abstract: We disclose a colorless composition comprising silver particles and water, wherein said particles comprise an interior of elemental silver and an exterior of ionic silver oxide, wherein the silver particles are present in the water at a level of about 5-40 ppm, and wherein the composition manifests significant antimicrobial properties including antiviral properties. Methods of use of the composition are described.Type: GrantFiled: October 3, 2006Date of Patent: June 17, 2014Assignee: American Silver, LLCInventors: Robert J. Holladay, William D. Moeller
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Patent number: 8753561Abstract: Methods for processing substrate surfaces comprising metallic nanoparticles are disclosed. The methods involve providing a substrate surface comprising metallic nanoparticles, and exposing the substrate surface to a plasma.Type: GrantFiled: June 20, 2008Date of Patent: June 17, 2014Assignees: Baxter International Inc., Baxter Healthcare SAInventors: Yann-Per Lee, John-Bruce D. Green, Jeffrey Bloss, Ozlem Yardimci
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Patent number: 8753657Abstract: The present invention relates to an antibacterial resin composition derived from a master batch, an antibacterial fiber, an antibacterial film, and a producing method of an antibacterial resin composition therefrom, comprising a polyethylene terephthalate resin as the component (A), and a polybutylene terephthalate resin as the component (B), an antibacterial glass which elutes silver ions as a component (C), which is characterized by having a composition formulated below (A) a polyethylene terephthalate resin: 100 pbw (B) a polybutylene terephthalate resin: 0.5 to 25 pbw (C) an antibacterial glass: 0.1 to 10 pbw.Type: GrantFiled: October 20, 2011Date of Patent: June 17, 2014Assignee: Koa Glass Co., Ltd.Inventor: Yoshinao Kobayashi
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Patent number: 8753692Abstract: The present invention provides novel compositions comprising: (a) protamine sulfate and (b) benzalkonium chloride or a silver containing particle; or (a) sodium metaperiodate and (b) 5-fluorouracil or chlorhexidine and uses thereof for the preparation of devices, and in particular medical devices, susceptible to colonization by biofilm forming bacteria.Type: GrantFiled: January 22, 2010Date of Patent: June 17, 2014Assignee: Kane Biotech Inc.Inventors: Purushottam V. Gawande, Srinivasa Madhyastha, Karen Lovetri, Nandadeva Yakandawala, Gord Froehlich
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Publication number: 20140161904Abstract: Disclosed herein are ophthalmic cleaning systems and methods for their use, which comprise an ophthalmic solution and lens case, wherein the solution includes dual disinfectants and the lens case includes silver. When the lens case is combined with the solution according to the system of the present invention, it surprisingly exhibits synergistic activity which results in a faster antimicrobial activity.Type: ApplicationFiled: February 18, 2014Publication date: June 12, 2014Inventors: Stanley W. Huth, Simon Kilvington, Simon Cheung
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Publication number: 20140161903Abstract: The invention features topical formulations comprising an osmotically active agent and/or a vasoconstrictor and/or an astringent agent for the treatment and prevention of eyelid swelling, and methods of use thereof.Type: ApplicationFiled: February 12, 2014Publication date: June 12, 2014Applicant: ACIEX THERAPEUTICS, INC.Inventors: Matthew J. Chapin, Mark Barry Abelson, Keith Jeffrey Lane, Akimitsu Makino
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Patent number: 8747876Abstract: The present invention relates to an oleophilic antimicrobial composition comprising silica nanotubes containing silver nanoparticles. The composition is added to an oil-based composition, such as an oil-based paint, a ceramic composition or a fiber coating compositions, immediately before the use of the oil-based composition, such that the contact time of the silver nanoparticles with the organic solvent contained in the oil-based composition is shortened to inhibit the oxidation of the silver nanoparticles. In addition, the composition has improved antimicrobial effects due to the excellent dispersibility of the silver nanoparticles, because the silver nanoparticles do not agglomerate in any solvent due to the silica nanotube structures, unlike spherical silica structures.Type: GrantFiled: August 27, 2010Date of Patent: June 10, 2014Assignee: Thermolon Korea Co., Ltd.Inventor: Chung Kwon Park
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Publication number: 20140154292Abstract: Articles have a glass layer on a substrate. The glass layer has antimicrobial properties via a metal or metal alloy. The glass layer is made using a doped glass frit which may be deposited by screen printing. The CTE of the glass layer and the substrate can be matched.Type: ApplicationFiled: November 21, 2013Publication date: June 5, 2014Applicant: CORNING INCORPORATEDInventors: Nicholas Francis Borrelli, Melinda Ann Drake, Robert Michael Morena
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Patent number: 8741325Abstract: The present invention provides a material for forming an antimicrobial surface coating with multi-level antimicrobial properties, which comprises one or more volatile or gaseous biocides, one or more nonvolatile biocides, and one or more polymers, wherein the volatile or gaseous biocides are encapsulated in the polymers to provide a sustained release of the volatile or gaseous biocides. The present invention further provides a method for preparing the material.Type: GrantFiled: December 4, 2009Date of Patent: June 3, 2014Assignee: The Hong Kong University of Science and TechnologyInventors: King Lun Yeung, Wai Kin Leung
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Publication number: 20140142213Abstract: A new composite comprises (a) 10.1-99.9% by weight of elemental Ag and (b) 0.1-89.9% by weight of ZnO, wherein the sum of (a) and (b) makes 90% or more by weight of the composite and wherein the elemental Ag has a primary particle size of 10-200 nm and/or the ZnO has a primary particle size of 0.1 to below 50 ?m and/or the composite has a particle size distribution of 0.1-50 ?m and/or a BET surface area of 10-100 m2/g. The novel composite may be obtained by the steps (i) mixing a first mixture of at least one Ag-salt with a second mixture of at least one Zn-salt thereby forming a third mixture of Ag- and Zn-salts, (ii) adding the third mixture to a mixture of a carbonate source, (iii) co-precipitating of the Ag- and Zn-carbonates formed in step (ii), (iv) washing of the Ag- and Zn-carbonates and (v) thermal decompositing of the Ag- and Zn-carbonates.Type: ApplicationFiled: January 24, 2014Publication date: May 22, 2014Applicant: POLYMERS CRC LTD.Inventors: THOMAS WEISS, RAINER XALTER
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Patent number: 8728513Abstract: A wound dressing having anti-microbial activity comprises a first fiber capable of bonding with silver (1) cations. The wound dressing comprises a blend of the first fiber to which silver (1) cations are bonded and a second fiber which is substantially free from silver. The wound dressing comprises from 0.01 to 5.0 percent by weight of silver (1) cations, based on the weight of fiber.Type: GrantFiled: February 14, 2013Date of Patent: May 20, 2014Assignee: Convatec Technologies Inc.Inventor: David Malcolm Woods
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Publication number: 20140134267Abstract: A method and apparatus for treating a body of water to kill microorganisms by enhancing the concentration metal ions therein.Type: ApplicationFiled: September 17, 2013Publication date: May 15, 2014Inventor: Joseph A. King
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Publication number: 20140127320Abstract: A composition and method adapted for delivery of hydrophilic, biologically-active agents are disclosed. The composition can include a reverse microemulsion formed from at least one hydrophilic, biologically-active agent solubilized by a hydrophobic reverse emulsion surfactant in a non-stinging, volatile, hydrophobic solvent. The non-stinging, volatile, hydrophobic solvent is selected from the group consisting of volatile linear and cyclic siloxanes, volatile linear, branched, and cyclic alkanes, volatile fluorocarbons and chlorofluorocarbons, liquid carbon dioxide under pressure, and combinations thereof. The reverse microemulsion can be an optically clear solution.Type: ApplicationFiled: October 21, 2013Publication date: May 8, 2014Applicant: ROCHAL INDUSTRIES, LLPInventors: Joseph Charles Salamone, Xiaoyu Chen, Ann Beal Salamone, Katelyn Elizabeth Reilly
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Publication number: 20140127321Abstract: To provide an antiviral resin member which can efficiently inactivate viruses and has excellent sustainability. An antiviral resin member comprising a resin, an antiviral agent, and a surface potential-controlling agent, characterized in that the surface potential-controlling agent causes the surface potential of the antiviral resin member to shift to a value on the positive side of the potential of the resin alone.Type: ApplicationFiled: July 6, 2012Publication date: May 8, 2014Applicant: NBC MESHTEC, INC.Inventors: Shinji Kurahashi, Nobukazu Motojima, Yoko Fukui, Tsuruo Nakayama
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Patent number: 8716339Abstract: The present disclosure is drawn to a disinfectant system which can be used to disinfect surfaces. The system includes a first chamber containing a first solution and a second chamber containing a second solution. The first solution can include an alcohol, an organic carboxylic acid, and from 0.01 ppm, to 1,000 ppm by weight of a transition metal or alloy thereof based on the first solution weight content. The second solution can include hydrogen peroxide. The system further includes a dispenser through which the system is configured to mix and dispense the first solution and the second solution immediately before being dispensed. A peracid composition is formed upon mixing of the first and second solutions.Type: GrantFiled: November 12, 2009Date of Patent: May 6, 2014Assignee: Solutions Biomed, LLCInventors: Brian G. Larson, Daryl J. Tichy
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Publication number: 20140120168Abstract: Embodiments of the present invention relate to a metastable silver nanoparticle composite, a process for its manufacture, and its use as a source for silver ions. In various embodiments, the composite comprises, consists essentially of, or consists of metastable silver nanoparticles that change shape when exposed to moisture, a stability modulant that controls the rate of the shape change, and a substrate to support the silver nanoparticles and the modulant.Type: ApplicationFiled: October 25, 2013Publication date: May 1, 2014Inventors: STEVEN J. OLDENBURG, RICHARD K. BALDWIN
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Patent number: 8709461Abstract: Anti-spoilage inserts and methods are provided for inhibiting the spoilage of liquid foods.Type: GrantFiled: November 17, 2011Date of Patent: April 29, 2014Inventors: Zeba Parkar, James Economy, Abdul Samad
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Publication number: 20140113003Abstract: A apparatus and method for killing microorganisms in a body of water that has been treated with ozone in the presence of bromide ions with the method comprising the steps of carrying out the ozonization of a body of water in the presence of bromide ions, adding a metal ion donor to the body of water, and adding a hypobromite ion scavenger to the body of water to interact with the metal ion donor to enhance a metal ion concentration in the body of water while suppressing the oxidization of the bromide by the Ozone to produce bromate.Type: ApplicationFiled: October 23, 2012Publication date: April 24, 2014Inventors: Joseph A. King, John Hill
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Publication number: 20140106002Abstract: A homeopathic composition and method for treating a variety of skin irritations, wounds, and diseases is disclosed. The homeopathic composition may contain as active ingredients salicyclic acid, trona or one of its salts, and at least one homeopathic agent.Type: ApplicationFiled: March 15, 2013Publication date: April 17, 2014Inventors: Ned L. Jensen, Peter E. Fuller
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Publication number: 20140105982Abstract: Embodiments of the present invention relate to methods for preparing high optical density solutions of nanoplates, such as silver nanoplates or silver platelet nanoparticles, and to nanoparticles, solutions and substrates prepared by said methods. The process can include the addition of stabilizing agents (e.g., chemical or biological agents bound or otherwise linked to the nanoparticle surface) that stabilize the nanoparticle before, during, and/or after concentration, thereby allowing for the production of a stable, high optical density solution of silver nanoplates. The process can also include increasing the concentration of silver nanoplates within the solution, and thus increasing the solution optical density.Type: ApplicationFiled: October 8, 2013Publication date: April 17, 2014Applicant: nanoComposix, Inc.Inventors: Steven J. Oldenburg, Martin G. Miranda, David S. Sebba
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Publication number: 20140105953Abstract: The application discloses the formation of antimicrobial glass-ceramic articles having an amorphous phase and a crystalline phase and an antimicrobial agent selected from the group consisting of silver, copper and a mixture of silver and copper. The antimicrobial glass-ceramic can have a Log Reduction of >2.Type: ApplicationFiled: October 11, 2012Publication date: April 17, 2014Inventors: George Halsey Beall, Nicholas Francis Borrelli, Robert Michel Morena, Charlene Marie Smith, Ying Wei
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Publication number: 20140099350Abstract: The present invention relates to micro-sized particles having anti-biocontaminant properties. Each particle is comprised of a central metal core, or support structure, (for example, alumina oxide) and has on its surface, one or more anti-biocontaminant metals and at least one redox agent.Type: ApplicationFiled: March 26, 2013Publication date: April 10, 2014Inventor: Dynamic Adsorbents, Inc.
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Publication number: 20140099357Abstract: Compositions, solid polymeric compositions, and/or articles of manufacture are provided that can include a polymer matrix having a plurality of ion-exchange particles distributed therein. Products by process are provided that can include prior to solidifying the polymeric precursors, blending the precursors with ion-exchange particles to form a mixture, and solidifying the mixture to form a solid polymeric composition product. Solid polymeric composition production methods are also provided that can include providing a plurality of ion-exchange particles, prior to solidifying the polymeric precursors, blending the precursors with the ion-exchange particles to form a mixture, and solidifying the mixture to form a solid polymeric composition. Article of manufacture production methods are provided that can include incorporating a solid polymeric composition into an article of manufacture, the solid polymeric composition including a polymer matrix and a plurality of ion-exchange particles distributed therein.Type: ApplicationFiled: December 12, 2013Publication date: April 10, 2014Inventors: David J. Vachon, Nathan Knapp
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Patent number: 8691287Abstract: Disclosed herein are ophthalmic cleaning systems and methods for their use, which comprise an ophthalmic solution and lens case, wherein the solution includes dual disinfectants and the lens case includes silver. When the lens case is combined with the solution according to the system of the present invention, it surprisingly exhibits synergistic activity which results in a faster antimicrobial activity.Type: GrantFiled: September 22, 2011Date of Patent: April 8, 2014Assignee: Abbott Medical Optics Inc.Inventors: Stanley W. Huth, Simon Kilvington, Simon Cheung
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Patent number: 8691285Abstract: Methods of using a non-irritant, low pH acidic composition to destroy undesirable microorganisms are described. The methods may be used on food products, food processing equipment, and in aqueous solutions.Type: GrantFiled: July 14, 2011Date of Patent: April 8, 2014Assignee: CMS Innovative Technologies, Inc.Inventors: Barry Cummins, David Creasey
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Patent number: 8691286Abstract: A composition for dissolving or reducing the viscosity of sputum on a surface of a device includes an effective amount of glycerol and an effective amount of dextran sulfate in a saline solution. The effective amount of glycerol is between about 30-50% and the effective amount of dextran sulfate is between about 10-30%. The composition may further include an antimicrobial agent.Type: GrantFiled: January 26, 2010Date of Patent: April 8, 2014Assignee: Teleflex Medical IncorporatedInventors: Nisha Gupta, Erin Peters, Joel Rosenblatt
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Publication number: 20140093550Abstract: A system of stabilized metallic nanoparticles is described that includes metallic nanoparticles coated with a hydrophilic polymer that has been reacted with a catechol-based ligand. Also described are stable, metallic nanoparticles that can be used alone or in conjunction with biocides, antibiotics, or other treatment systems in a method to disrupt a biofilm and facilitate its removal from a surface. The nanoparticles can be metal, such as platinum, silver, iron (II, III) oxide (Fe3O4), and gold. The nanoparticles can be sterically stabilized, such as with a polymer, or charge stabilized, such as with citrate, resulting in nanoparticles having modified surfaces. This surface modification is thought to enhance the stability of the nanoparticles and decrease their likelihood of aggregation, which, in turn, enhances their ability to disrupt and disperse existing biofilms.Type: ApplicationFiled: October 3, 2013Publication date: April 3, 2014Applicant: Clemson UniversityInventors: Tamara L. McNealy, Olin Thompson Mefford, IV, Steven L. Saville
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Publication number: 20140091031Abstract: The present invention discloses the preparation of antimicrobial membranes by inclusion of low leaching, control release silver-based antimicrobial additives as described in claim 1 into the polymer matrix and forming this into a semipermeable membrane. The antimicrobial agents protect the membrane system against bacterial and/or algal decay and assist in maintaining a high efficiency of the membrane filtration process.Type: ApplicationFiled: December 10, 2013Publication date: April 3, 2014Applicant: POLYMERS CRC LTD.Inventors: JALEH MANSOURI, DIRK SIMON, ARUN PRASATH RAMASWAMY, VICKI CHEN, THOMAS WEISS
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Publication number: 20140093572Abstract: A method, composition and structure to treat fouling. In one embodiment, the method of treating fouling includes providing a structure including a first component of a base material and a second component of an energetically activated nanostructure, and applying a stimuli to the structure that effectuates an increase or decrease in the temperature of the energetically activated nanostructure. The increase or decrease in the temperature of the energetically activated nanostructure modifies the chemical and/or mechanical properties of the base material. The modifications to the chemical and/or mechanical properties of the base material obstruct fouling of the structure.Type: ApplicationFiled: May 4, 2012Publication date: April 3, 2014Applicant: UT-BATTELLE, LLCInventors: Mitchel J. Doktycz, David P. Allison, Charles F. Barnett, Scott T. Retterer
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Patent number: 8685424Abstract: A method of preparing antimicrobial-containing polymeric products is provided, the method involving electrospinning a dispersion comprising a dispersible polymer, a fiberizing polymer, and one or more antimicrobial agents. The electrospun material is heated to remove solvent and the fiberizing polymer, giving a nonwoven polymeric material having antimicrobial agent incorporated therein. The material can be in the form of, for example, a non-woven sheet, tube, or covering.Type: GrantFiled: October 13, 2011Date of Patent: April 1, 2014Assignee: Zeus Industrial Products, Inc.Inventors: Robert L. Ballard, Bruce L. Anneaux, Joshua L. Manasco
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Publication number: 20140086970Abstract: An antimicrobial system including inert carrier particles coated with a silver salt in combination with a primary disinfectant is disclosed. Some aspects relate to a disposable wipe for use in cleaning and disinfecting, the disposable wipe including a antimicrobial system. Other aspects relate to a sprayable disinfectant including a liquid carrier. Inert carrier particles, coated with a silver salt, are dispersed in the liquid carrier with a primary disinfectant. Optional additives including surfactants, dispersants, and stabilizers, may also be added.Type: ApplicationFiled: March 23, 2012Publication date: March 27, 2014Applicant: SILVER ANTI-BAC, LLCInventor: Thomas D. White
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Publication number: 20140079588Abstract: The present invention is drawn to compositions, systems, and methods of disinfecting surfaces without the undesired staining often associated with silver composition. In one example, the composition includes water, a silver component including silver ions, a fluorescing compound that that emits absorbed light in the range of 300 nm to 450 nm, and a silver ion fixing agent adapted to chelate or reduce the silver ions.Type: ApplicationFiled: March 6, 2013Publication date: March 20, 2014Applicant: Solutions BioMed, LLCInventor: Solutions BioMed, LLC