Silver Patents (Class 424/618)
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Patent number: 7754197Abstract: 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: October 16, 2003Date of Patent: July 13, 2010Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Bin Wu, Kevin P. McGrath, Jaeho Kim, Bao Trong Kim, Sharon Linda Greene, Yanbin Huang, Kaiyuan Yang
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Publication number: 20100166817Abstract: A process for producing porous polymer masterbatch having anti-bacterial and odor eliminating functions, wherein said fiber contains materials such as porous natural mineral kieselguhr or active carbon, can absorb and eliminate odor such as stink of sweat and the like discharged from the human body, has functions of sterilization, anti-bacterial, anti-mold, and the like. Pores of the natural mineral kieselguhr or active carbon contain organic Chinese herbal medicine and inorganic anti-bacterial minerals, wherein all of such organic Chinese herbal medicine and inorganic anti-bacterial minerals have functions of anti-bacterial, anti-fungal and the like, can eliminate effectively odor or reduce substantially stink, and can be applied extensively on various fabrics, clothes and ornaments or other goods.Type: ApplicationFiled: December 31, 2008Publication date: July 1, 2010Applicant: Colotex Industrial Co., Ltd.Inventor: Kuen-Chin Shen
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Publication number: 20100166832Abstract: Silver coated nylon fibers are disclosed that can be used to make fabrics that are silver coated on one side of the fabric. Silver coated nylon fabrics provide an antimicrobial surface which remains on the surface and retains its antimicrobial characteristic until destroyed. The methods of adherence of the silver to the nylon fabric may be performed in a number of ways. The creation of a single fabric with one side silver coated and the other side being dyed or left natural is encompassed within this invention. In addition there can be more than two yarns creating the fabric such as the use of spandex to provide a more elastic garment.Type: ApplicationFiled: December 29, 2008Publication date: July 1, 2010Inventors: Edmund Michael Ingle, Bennett James Fisher, Jerry W. Finney
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Publication number: 20100166694Abstract: The present invention relates to a method of determining the microbial bioburden in a wound (in particular a diabetic ulcer) in a test subject, the method comprising the step of measuring the level of a cytokine in a wound sample, wherein a cytokine level lower than a reference level indicates a significant microbial bioburden in the wound (or a cytokine level higher than a reference level indicates an insignificant microbial bioburden in the wound). The invention provides methods of diagnosis, prognosis and treatment of wound infection, and devices and kits for use in such methods.Type: ApplicationFiled: March 31, 2008Publication date: July 1, 2010Applicant: Ethicon ,Inc.Inventors: Philip Stephens, Ryan Moseley, Rachael Clark, Breda Mary Cullen
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Publication number: 20100158851Abstract: 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: ApplicationFiled: December 4, 2009Publication date: June 24, 2010Applicant: The Hong Kong University of Science and Technology Technology Transfer CenterInventors: King Lun Yeung, Wai Kin Leung
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Publication number: 20100159016Abstract: The present invention relates to a pain relief composition comprising paramagnetic silver nanoparticles. More specifically, the composition is characterized in that it comprises from 0.03 to 0.05% by weight of paramagnetic silver nanoparticles having specific properties that were not revealed by conventional diamagnetic silver nanoparticles. The pain relief composition according to the present invention shows excellent effect of relieving pain of arthritis due to antibiotic property and anti-toxicity of paramagnetic silver nanoparticles. By using the paramagnetic silver nanoparticles having small particle size, the composition is rapidly absorbed into cells upon being applied to skin. In addition, by virtue of using silver (Ag), no complication such as skin coloration or edema was observed. According to the present invention, pain is relieved by simple application, so that the usage is easy as compared to surgical treatment such as arthroscopic operation to provide high satisfaction to a patient.Type: ApplicationFiled: March 5, 2010Publication date: June 24, 2010Applicant: Nano Plasma Center Co., Ltd.Inventor: Young-Nam KIM
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Publication number: 20100150980Abstract: The present invention relates to nanoparticles containing a non-persistent support material and metallic silver particles on the surface of said support material as further specified in the description; to composites containing said nanoparticles; to the manufacture of said nanoparticles and composites and to the use of said nanoparticles and composites.Type: ApplicationFiled: April 4, 2007Publication date: June 17, 2010Applicants: Perlen Converting Ag, ETH ZurichInventors: Stefan Bokorny, Wendelin Jan Stark, Stefan Fridolin Loher
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Publication number: 20100151032Abstract: The invention relates to a body care agent containing metal particles which release zinc and silver ions in said body care agent by contacting body liquid or body humidity and whose metallic silver content at least equal or greater than 99 % (m/m).Type: ApplicationFiled: February 26, 2010Publication date: June 17, 2010Applicant: BIO-GATE AGInventors: Thorsten Bechert, Michael Wagener, Peter Steinruecke
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Patent number: 7736423Abstract: The present invention relates to an aqueous composition for outdoor, indoor, facade and roof paints having a biocidal action.Type: GrantFiled: August 23, 2004Date of Patent: June 15, 2010Assignees: Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung e.V., Bioni CS GmbHInventors: Sven Knoll, Helmut Schmid
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Publication number: 20100143496Abstract: 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: ApplicationFiled: November 12, 2009Publication date: June 10, 2010Inventors: Brian G. Larson, Daryl J. Tichy
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Publication number: 20100143430Abstract: An antimicrobial agent to kill microorganisms by enhancing the concentration of metal ions through use of compound containing a hydantoin ring in the presence of a liquid. The method includes the step of to enhancing the effectiveness of the biocidal component to lessen the need for a supplemental biocide wherein the antimicrobial agent may be in an active state i.e. liquid or an inactive state i.e. solid, tablet, powder, granular form or combinations thereof. The apparatus includes a dispenser containing an antimicrobial agent in either an active state or an inactive state with the antimicrobial agent comprising a compound containing a hydantoin ring and a source of biocidal metals ions for delivery of the antimicrobial agent to a site of microorganisms.Type: ApplicationFiled: December 1, 2009Publication date: June 10, 2010Inventors: Joseph A. King, John Hill
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Publication number: 20100143427Abstract: An antimicrobial structure surface therein wherein the structure surface includes an antimicrobial agent having a biocidal metal ion source and compound containing a hydantoin ring wherein the compound containing the hydantoin ring may or may not have antibacterial properties but the combination of the compound containing the hydantoin ring and the biocidal metal ion source when in the presence of a liquid coact to increase the level of available metal ions for killing microorganisms on the structure surface.Type: ApplicationFiled: December 1, 2009Publication date: June 10, 2010Inventors: Joseph A. King, John Hill
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Publication number: 20100143494Abstract: An antimicrobial composition contains a soluble silver salt and an alkanolamine or aminoalcohol. The composition may additionally contain an amino acid or amino acid salt and surfactant. The composition has additional stability and activity compared to prior art silver complexes.Type: ApplicationFiled: December 5, 2008Publication date: June 10, 2010Inventors: David R. Scheuing, Erika Szekres, Steven Bromberg
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Publication number: 20100143431Abstract: The invention relates to the production and use of novel bioactive devices and metallic coatings for example for sterilizing, disinfecting, and decontaminating water or aqueous solutions. The known oligodynamic effect of silver for reducing the amount of germs is thereby improved and increased by combining silver with ruthenium and a vitamin or derivative thereof. The novel properties of these bioactive metal surfaces lead to faster and more efficient killing of microorganisms. Simultaneously, these novel bioactive metal surfaces prevent infestation by microorganisms and attachment or permanent deposition of problematic biomolecules such as for example DNA, RNA, or proteins. A self-cleaning surface is thus obtained, which very quickly and efficiently and over extended periods of time sterilizes water and aqueous solutions when they come in contact with said surface.Type: ApplicationFiled: October 2, 2007Publication date: June 10, 2010Applicant: AGXX INTELLECTUAL PROPERTY HOLDING GMBHInventors: Uwe Landau, Thomas Lisowsky, Karlheinz Esser, Klaus-Dieter Mehler
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Publication number: 20100143495Abstract: A method and apparatus for control the growth of microorganisms by enhancing the concentration metal ions therein. The method includes the step of to enhancing the effectiveness of an antimicrobial agent having a source of metal ions by adding a compound containing a hydantoin ring to the antimicrobial agent.Type: ApplicationFiled: December 1, 2009Publication date: June 10, 2010Inventors: John Hill, Joseph A. King
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Publication number: 20100136073Abstract: Plastics and coatings are provided outstanding antimicrobial activity by incorporation therein of elemental silver and silver supported on a zeolite or on a glass. The compositions are suitable for medical use, for example for tubes, catheters, textiles and the like. The plastic textiles are woven or nonwoven. The plastics are for example polyurethane, polycarbonate, liquid silicone rubber, polypropylene or polyethylene or polymer composites.Type: ApplicationFiled: April 9, 2008Publication date: June 3, 2010Applicant: CIBA CORPORATIONInventors: Andrea Preuss, Barbara Stodden, Wolfgang Peter, I-Chyang Lin
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Publication number: 20100136083Abstract: An implant with a metal structure for use in a surgical procedure, in which at least part of the metal structure is coated with a biocompatible metal such as titanium by plasma spraying of the metal powder. Biocidal metal cations are then absorbed by ion exchange into the coating, so that after being implanted the biocidal ions gradually leach out into the surrounding body fluids and suppress infection. The ion exchange properties of the coating may be modified by pretreatment with dilute phosphoric acid.Type: ApplicationFiled: January 15, 2008Publication date: June 3, 2010Applicant: ACCENTUS PLCInventors: Thomas Campbell Prentice, Martin Edward Lee Pickford, David Richard Lewis, Andrew Derek Turner
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Publication number: 20100136148Abstract: Cleaning and disinfecting compositions containing one or more “green” surfactants are disclosed. The compositions may be present as micro-emulsions that generally include green disinfecting agents, green surfactants, and water. The composition may also contain other green ingredients such as linkers, pH adjusting agents, natural fragrances, natural insecticides, and other natural organic actives such as natural oils. The composition may be used as a green cleaning and disinfecting composition with performance comparable or superior to conventional cleaning and disinfecting products with less desirable ecological profiles.Type: ApplicationFiled: October 14, 2009Publication date: June 3, 2010Inventor: Marie-Esther Saint Victor
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Publication number: 20100129466Abstract: The invention is a method and composition for treating biofilm using a high valency silver ion.Type: ApplicationFiled: June 22, 2007Publication date: May 27, 2010Applicant: INOVOTECH, INC.Inventors: Lyriam L. Marques, Merle E. Olson, Michael W. Harding
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Publication number: 20100124861Abstract: The invention relates to a method for the production of cellulose shaped bodies according to the dry-wet extrusion method (Lyocell method) with high degree of whiteness and bioactive action for use in the textile sector and paper production. In the context of the invention, the term “bioactive” refers to antimicrobial efficacy, based on the antibacterial action of the element silver, which is used as nanoscale reagent for increasing the efficacy thereof. The chemically inert and, at the same time, bactericidal effect is used in the production of sports and leisure clothing with a high degree of whiteness and papers with a long shelf life. Use is possible in the medical sector, for example, for wound dressings, textiles for hospitals, and in the filter and packaging industry.Type: ApplicationFiled: April 15, 2008Publication date: May 20, 2010Inventors: Frank Wendler, Axel Kolbe, Reiner Büttner, Hardy Markwitz
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Publication number: 20100120311Abstract: A process for finishing fibers and textiles with an antimicrobially active component comprising at least one silver component desensitized by an additional component, such as pinacryptol yellow, provides durable protection of textiles against bacterial attack and discolorations of the textiles.Type: ApplicationFiled: November 27, 2007Publication date: May 13, 2010Inventors: Walter Bender, Marco Bonetti
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Publication number: 20100119461Abstract: The present invention relates to compositions comprising zinc oxide, barium sulphate and bound silver ions and their use in various applications, such as cosmetics, inks, lacquers or plastics.Type: ApplicationFiled: December 10, 2007Publication date: May 13, 2010Applicant: Merck Patent GmbHInventors: Valerie Bicard-Benhamou, Thomas Rudolph, Marcus Brunner
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Publication number: 20100113871Abstract: The invention relates to a formulation for preparing an antimicrobial lubricious hydrophilic coating, which formulation comprises a hydrophilic polymer; an initiator; particles comprising metallic silver (i.e. Ag°); and a carrier liquid. The invention further relates to an article comprising a hydrophilic coating on a surface wherein the coating comprises a cured hydrophilic polymer and particles comprising metallic silver.Type: ApplicationFiled: September 13, 2007Publication date: May 6, 2010Inventors: Aylvin Jorge Angelo Athanasius Dias, Edith Elisabeth M. Van Den Bosch, Astrid Franken
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Publication number: 20100112884Abstract: An antibacterial composition including silver nano particles, a protective agent and water is provided. The molar ratio of the silver nano particles to the protective agent is 1:0.995-1 and the protective agent is selected from a group consisting of MCl, MBr, MI, MS2O3 and NH4OH, in which M represents an element of group IA or IIA. Furthermore, two methods of fabricating an antibacterial textile are also provided.Type: ApplicationFiled: December 9, 2008Publication date: May 6, 2010Applicant: TAIWAN TEXTILE RESEARCH INSTITUTEInventor: Jung-Yu Tsai
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Publication number: 20100112088Abstract: The subject invention pertains to materials and methods for the prevention and treatment of disease conditions associated with oxidative stress or a compromised reducing environment, including inflammatory bowel diseases such as Crohn's disease and ulcerative colitis. Therapeutic compositions of the invention include compositions that can neutralize hydrogen peroxide, such as reducing agents and oxidizing agents. In one embodiment, a therapeutic composition of the invention comprises a reducing agent such as sodium thiosulfate. Therapeutic compositions of the invention can optionally include compounds with antibacterial activity, compositions that inhibit bacterial adherence to cells and tissue, compositions that inhibits epithelial lipid peroxidation, compositions that add viscosity to a solution, compositions that inhibit most cells, and/or compositions that help to seal or repair tight junctions between cells of the colonic epithelium of the gastrointestinal tract.Type: ApplicationFiled: January 13, 2010Publication date: May 6, 2010Inventor: Jay Pravda
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Patent number: 7704530Abstract: The present invention is an antimicrobially-treated material which has a coloring preventing function and is in contact with water or moisture or contains water, comprising (A) a silver-based antimicrobial agent which dissociates silver ions in the water system and (B) a silver ion trapping agent for trapping silver ions comprising one or more kinds of compounds selected from the group consisting of purine bases, pyrimidine bases, thiabendazole, and potassium iodide, wherein a ratio of (A)/(B) is 1/1 to 100/1 by weight.Type: GrantFiled: September 10, 2002Date of Patent: April 27, 2010Inventors: Kenji Nakamura, Koji Nakamura
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Publication number: 20100098776Abstract: The invention relates to soap-based liquid body and facial wash compositions using high solvent, low water compositions and incompletely neutralized fatty acids to help structure the compositions, all in combination with modified benefit agents, enhanced deposition of antimicrobial agents is obtained.Type: ApplicationFiled: October 21, 2008Publication date: April 22, 2010Applicant: CONOPCO, INC., D/B/A UNILEVERInventors: Joseph Oreste Carnali, Pravin Shah, Qiang Qiu, Anthony John Weir
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Patent number: 7700133Abstract: Formulations and blends are described comprising zinc, silver, bismuth and copper in non-toxic amounts that are useful as treatments of a wide variety of conditions and diseases promoted by bacteria or other microorganisms.Type: GrantFiled: February 17, 2005Date of Patent: April 20, 2010Inventors: Marianna Cooley, Timothy W. Fraser
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Patent number: 7700131Abstract: Powders having contact biocidal properties comprise a polysaccharide carrying atomic/metallic silver. The preferred polysaccharide is chitin, although other polysaccharides including chitosan, carboxymethyl celluloses and carrageenans can be used. The chitin may be obtained from deproteinated crustacean shells without demineralisation, thus being admixed with calcium carbonate and other naturally occurring minerals present in the shells, and may be enzyme deacetylated. The powders of the invention can be used as biocidal dusting powders, formulated into pastes, gels, hydrogels, creams, foams and aerosol sprays for pharmaceutical applications, or dissolved to form solutions for coating substrates such as skin, fabrics, glass, leather and paper to give a bactericidal surface. A particular application of such a solution is as a protective, post-wash treatment for workwear in a laundering process.Type: GrantFiled: July 18, 2005Date of Patent: April 20, 2010Assignee: Chitoproducts LimitedInventors: Alan Taylor, George Andrew Francis Roberts, Frances Ann Wood
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Publication number: 20100092577Abstract: Disclosed are topical compositions containing the active ingredient magaldrate mixed with suitable vehicles and excipients.Type: ApplicationFiled: March 28, 2008Publication date: April 15, 2010Inventor: Pier Luigi Guasti
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Publication number: 20100092531Abstract: A textile implant includes at least one thread having a polymeric core and a polymeric sheath which surrounds the polymeric core at least partly, wherein the sheath includes a composition including at least one silica-supported antimicrobial active agent.Type: ApplicationFiled: October 12, 2009Publication date: April 15, 2010Applicants: AESCULAP AG, HEIQ MATERIALS AGInventors: Erich Odermatt, Ingo Berndt, Carlo Riccardo Centonze, Murray Height
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Publication number: 20100086580Abstract: There is disclosed a medical device, such as a urinary catheter, comprising a substrate material, a hydrophilic surface coating, e.g. comprising polyvinylpyrrolidone (PVP), arranged on at least a part of the surface of said substrate material, and an antibacterial layer comprising oligodynamic metal arranged between the substrate material and the hydrophilic surface coating. Further, the hydrophilic surface coating has a thickness large enough to provide a controlled release of oligodynamic metal ions through the hydrophilic surface coating, such as a thickness when dry that exceeds 3 ?m. Hereby, the variation in the release of the oligodynamic metal ions is significantly reduced, enabling an improved control of the release. A corresponding method is also disclosed.Type: ApplicationFiled: October 9, 2009Publication date: April 8, 2010Inventors: Martin Nyman, Agneta Nordholm, Eva-Helena Westman
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Publication number: 20100080841Abstract: Fibrous articles having fibers coated with one or more polyelectrolyte layers are disclosed. Methods of making and using the fibrous articles are also disclosed.Type: ApplicationFiled: April 18, 2008Publication date: April 1, 2010Inventors: Francis E. Porbeni, Moses M. David, Matthew T. Scholz, Prabhakara S. Rao
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Patent number: 7687076Abstract: A method for producing a deposition product includes providing a deposition solution having a pH below 7 and comprising an aqueous solution of a silver salt comprised of silver ions and an oxidizing agent. The silver salt is comprised of silver nitrate and has a concentration in the deposition solution between about 1 and 20 grams per liter. The oxidizing agent is comprised of a persulfate and has a concentration in the deposition solution between about 1 and 50 grams per liter. The method further includes producing the deposition product by facilitating a chemical reaction between the silver ions and the oxidizing agent while maintaining the deposition solution at a temperature of between about 2 and 40 degrees Celsius. The deposition product consists essentially of at least one oxidized silver species, and is comprised of a compound having the formula Ag7O8X, where X is an anion.Type: GrantFiled: November 2, 2007Date of Patent: March 30, 2010Assignee: Exciton Technologies Inc.Inventor: Stojan Djokic
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Publication number: 20100074932Abstract: Antimicrobial compositions may provide varying release kinetics for the active ions in the compositions due to the different water solubilities of the ions, allowing antimicrobial release profiles to be tailored for a given application and providing for sustained antimicrobial activity over time. According to some embodiments, the antimicrobial compositions may comprise polymer compositions containing colloids including salts of one or more oligodynamic metals, such as gallium. The antimicrobial compositions may be produced, for example, by mixing a solution of the salts of one or more oligodynamic metals with a polymer solution or dispersion and precipitating a colloid of the metal salts by addition of other salts to the solution which react with the metal salts. The compositions can be incorporated into articles or can be employed as a coating on articles such as medical devices including, for example, catheters, implants, and endotracheal tubes. The coatings may be on all or part of a surface.Type: ApplicationFiled: September 20, 2007Publication date: March 25, 2010Inventor: Silke Talsma
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Publication number: 20100071706Abstract: The present invention provides for a dental appliance, mouthguard and/or divers mouthpiece using an anti-microbial composition that combines the use of an elastomeric polymer composition with micronized or submicron sized particles of metal or organo/inorgano metal complexes. In addition, the use of an anti-microbial composition for use with a diver's air delivery hose to prevent breathing of contaminated air is also described.Type: ApplicationFiled: November 19, 2007Publication date: March 25, 2010Inventor: Richard Mason
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Publication number: 20100074967Abstract: The present invention is drawn to disinfectant or sterilant compositions, which are human safe, e.g., food grade or food safe. In one embodiment, an aqueous disinfectant or sterilant composition can comprise an aqueous vehicle, including water, from 0.001 wt % to 50 wt % of a peracid, and from 0.001 wt % to 25 wt % of a peroxide. Additionally, from 0.001 ppm to 50,000 ppm by weight of a transition metal based on the aqueous vehicle content can also be present. The composition can be substantially free of aldehydes. Alternatively or additionally, the transition metal can be in the form of a colloidal transition metal.Type: ApplicationFiled: June 17, 2008Publication date: March 25, 2010Inventors: Daryl J. Tichy, Brian G. Larson
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Publication number: 20100068296Abstract: The invention relates to methods of producing metal-containing antimicrobial plastics or plastic products and also to plastic products obtainable by the method, especially plastic products for medical requirements.Type: ApplicationFiled: September 29, 2009Publication date: March 18, 2010Applicant: Antimicrobial Argentum TechnologiesInventors: Josef Peter Guggenbichler, Christoph Cichos
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Patent number: 7678393Abstract: A mixture composition useful in wound healing comprising solvent extraction of anthrocyanin/proanthrocyanidin sources, ascorbic acid source, tannin or gallic acid source or polymeric gallic acid source, microbe source, protein source, fat source, acidification agent or buffer and sulfur absorbing compound.Type: GrantFiled: April 23, 2007Date of Patent: March 16, 2010Assignee: DB Laboratories LLCInventors: Bradford Ray Duncan, David Daniel Bernhard
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Publication number: 20100062076Abstract: Disclosed are compositions related to a substantially non-cytotoxic chlorine dioxide solution. The solution may be a thickened fluid composition. Also disclosed are methods of making and using a substantially non-cytotoxic thickened fluid compositions or solutions comprising chlorine dioxide solution. An oxidizing composition of reduced irritation is also disclosed.Type: ApplicationFiled: July 14, 2009Publication date: March 11, 2010Applicant: BASF Catalysts LLCInventors: Barry Keven Speronello, Frank S. Castellana, Linda Hratko
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Publication number: 20100062033Abstract: Methods for preparing silver colloids and silica-coated silver colloids are disclosed. The silver colloids may be prepared by heating a silver-containing solution, combining the heated silver-containing solution with an acid solution, and cooling the combined solutions to form a silver colloid containing silver particles. The silver particles in the silver colloid can further be coated with silica. A method for preparing antimicrobial coatings is also disclosed.Type: ApplicationFiled: September 9, 2008Publication date: March 11, 2010Applicant: GUARDIAN INDUSTRIES CORP.Inventor: PRAMOD K. SHARMA
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Publication number: 20100062075Abstract: The current invention addresses an issue where hand held remote control devices and other consumer electronics products can become a carrier of infectious germs or bacteria once touched by a person or animal carrying a pathogen or infectious agent. School aged children and house hold pets may be the carrier of such pathogens. Adults or any other person inflicted with a common illness such as a cold or flu can infect a hand held remote or other consumer electronic product which in turn can transmit those germs to the next person or persons who handle the remote. The present invention is intended to minimize the effects of pathogen transmission from person to person by killing the pathogens once they are deposited on such a consumer electronic product.Type: ApplicationFiled: September 8, 2008Publication date: March 11, 2010Applicant: VIZIO, INCInventors: John Schinder, William Pat Price
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Publication number: 20100055199Abstract: Systems and methods for synthesizing silver nanoparticles (SNPs) using Trichoderma fungi have been developed. In an aspect, Trichoderma reesei was used for the extracellular synthesis of silver nanoparticles. In the biosynthesis of metal nanoparticle by a fungus, one or more enzymes or metabolites are produced that reduce a salt to its metallic solid nanoparticles through a catalytic process.Type: ApplicationFiled: July 29, 2009Publication date: March 4, 2010Applicant: The Board of Trustees of the University of IllinoisInventor: G. Ali Mansoori
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Publication number: 20100055157Abstract: Antimicrobial articles, including cohesive, adhesive, and pressure-sensitive adhesive articles, comprising a substrate and a silver compound, and methods of making antimicrobial articles are described.Type: ApplicationFiled: August 28, 2009Publication date: March 4, 2010Applicant: ANDOVER HEALTHCARE, INC.Inventor: Valerie E. GUNN
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Publication number: 20100047302Abstract: The present invention relates to a single or multi layered food packaging on the basis of plastics wherein the layer or at least one of the layers comprises at least one metal with antimicrobial activity and wherein at least part of the metal with antimicrobial activity is present in finely divided metallic form and the remaining part is present in form of a salt.Type: ApplicationFiled: October 8, 2007Publication date: February 25, 2010Inventors: Jürgen Schiffmann, Helmut Schlösser
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Publication number: 20100047304Abstract: 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: November 2, 2009Publication date: February 25, 2010Inventors: Mark Moskovitz, Chris McDow
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Publication number: 20100047321Abstract: Aqueous silver-containing composition is designed for use as an antimicrobial agent on fibers and fabrics. This composition includes silver halide particles, gelatin, and an additive that includes an N-heterocyclic acid having a pKa of from about 4 to about 9. The additive improves the redispersibility and shelf-life of the composition.Type: ApplicationFiled: August 20, 2008Publication date: February 25, 2010Inventors: David W. Sandford, Sidney J. Bertucci, David A. Mowers
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Publication number: 20100040659Abstract: The invention relates to an antimicrobial material and a method for producing an antimicrobial material, which is deposited on a substrate (2), comprising the steps: Providing the substrate (2) in a vacuum working chamber (3); atomizing a biocidal metal by means of a sputtering device inside the vacuum working chamber (3) in the presence of an inert gas; simultaneous introduction of a precursor, which contains silicon, carbon, hydrogen and oxygen, into the vacuum working chamber (3) so that the sputtered metal particles and the precursor are exposed to a plasma action; deposition of a material on the substrate (2) such that a matrix is formed through the plasma activation of the precursor, in which matrix clusters of sputtered metal particles are incorporated.Type: ApplicationFiled: November 30, 2007Publication date: February 18, 2010Applicant: FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWAD FORSCHUNG E.V.Inventors: Matthias Fahland, Nicolas Schiller, Tobias Vogt, John Fahlteich
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Publication number: 20100040699Abstract: A method for preparing a concentrated solution containing water, citrate ions and silver ions, including providing an amount of trisilver citrate, providing an amount of citric acid, wherein the amount of the citric acid is at least 19 times the amount of the trisilver citrate by weight, and mixing the trisilver citrate and the citric acid in an amount of water to produce the concentrated solution, wherein the amount of water is selected so that the concentrated solution has a citrate ion concentration which is at least 300 grams per liter. A concentrated solution containing water, citrate ions and silver ions, wherein the concentrated solution has a silver ion concentration which is at least 10 grams per liter. A diluted solution prepared by adding water to a concentrated solution containing water, citrate ions and silver ions.Type: ApplicationFiled: August 14, 2008Publication date: February 18, 2010Applicant: EXCITON TECHNOLOGIES INC.Inventor: Stojan DJOKIC
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Publication number: 20100034900Abstract: A method of coating a substrate with the biocide particles dispersed into a coating permitting the antimicrobial particles to be positioned on the substrate such that they are in contact with the environment is provided. In the method, one or more biocides agents are dispersed into a coating. The coating with the biocide agent is applied to a substrate at a thickness such that at least some of the individual biocide particles extend beyond the surface of the coating.Type: ApplicationFiled: July 27, 2009Publication date: February 11, 2010Inventors: Marina Temchenko, Samuel Lim, Michael W. Sullivan, David William Avison