For Medical Or Dental Instruments Or Equipment (e.g., Electronic Hematological Analyzer, Etc.) Patents (Class 510/161)
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Patent number: 12127561Abstract: The microbial treatment solution according to the present invention includes an acidic hypochlorous acid water and a quantum water. The acidic hypochlorous acid water is at a concentration of 0.5 wt % to 5.0 wt % for the total microbial treatment solution, and the quantum water is 90.0 wt % to 99.5 wt % for the total microbial treatment solution. The quantum water is water passed through a quantum water converter, the quantum water converter comprising a container having an inlet and an outlet and plural fragments installed in the container. The fragment is made of austenitic stainless steel or martensitic stainless steel, and the fragment has a regular hexagonal prism shape. The fragment has a hole that penetrates a bottom surface and a top surface of the fragment, the hole is a circular cross section. The fragment has a spiral groove going around an inner surface of the hole at least once, and the fragment is heat-treated.Type: GrantFiled: June 10, 2022Date of Patent: October 29, 2024Assignee: SUN HOPE CO., LTD.Inventor: Masami Toda
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Patent number: 12037497Abstract: A composition for inhibiting the attachment of DNA viruses to a surface can include a liquid carrier, an anti-adherent agent, and a humectant. The anti-adherent agent can include C12-16 Alkyl PEG-2 Hydroxypropyl Hydroxyethyl Ethylcellulose. A method for inhibiting the adherence of DNA viruses to a surface can include providing a composition that includes an anti-adherent agent including C12-16 Alkyl PEG-2 Hydroxypropyl Hydroxyethyl Ethylcellulose. The method can also include applying the composition to the surface to inhibit the adherence of DNA viruses to the surface.Type: GrantFiled: January 28, 2016Date of Patent: July 16, 2024Inventors: Kathleen C. Engelbrecht, Stacy A. Mundschau, David W. Koenig, Scott W. Wenzel
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Patent number: 12016401Abstract: The present invention improves and enhances the delivery of one of an aerosolized or micellized formula by use of an aerosol pressurized inhalation delivery device. The device may include one or more replaceable or reusable components, including but not limited to a canister and a battery. Methods for using the device to deliver a controlled dosage via the delivery device are also described herein.Type: GrantFiled: April 14, 2023Date of Patent: June 25, 2024Assignee: Air 2, LLCInventors: Robert L. Senter, Robert E. Matuszewski
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Patent number: 10588835Abstract: This invention relates to a dual phase mouthwash comprising a hydrophilic phase, a hydrophobic phase, and a hydrotrope, wherein the hydrophilic phase comprises an effective amount of a preservative selected from potassium sorbate, sodium benzoate, benzyl alcohol, and a combination thereof, and CPC and a monovalent acid, as well as to methods of using and of making such compositions.Type: GrantFiled: December 20, 2017Date of Patent: March 17, 2020Assignee: Colgate-Palmolive CompanyInventors: Jeffrey Merl Miller, Venda Porter Maloney, Donghui Wu, Adam Pepperney, Hongwei Shen, Vyoma Patel, Chi-Yuan Cheng
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Patent number: 10487295Abstract: Alkaline ware wash detergents containing an alkali metal alkalinity source and alkanol amine phosphonate scale inhibitors and methods of employing the same for superior cleaning efficacy and hard water scale control are disclosed. Alkanol amine phosphonates beneficially reduce scale build-up, including calcium carbonate scale build-up from alkaline detergents used with hard water sources. Methods of employing the detergent compositions are also disclosed.Type: GrantFiled: August 11, 2017Date of Patent: November 26, 2019Assignee: Ecolab USA Inc.Inventors: Carter M. Silvernail, Erik C. Olson, Kerrie Walters
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Patent number: 10299473Abstract: The present invention relates to phenol containing disinfectants that have superior broad-spectrum antimicrobial efficacy versus traditional chemistry such as quaternary ammonium-containing disinfectants or aliphatic alcohols. Hydrotropic surfactants are utilized in combination with generally environmentally friendly phenol containing compounds such as ortho-benzyl parachlorophenol (OBPCP), ortho phenylphenol (OPP), or parachloro-meta-cresol (PCMC) in the presence of suitable solvents such as an aliphatic alcohol and also in the presence of an inorganic acid, such as phosphoric acid. The solutions are free of para tertiary amylphenol (PTAP), have a low pH and are very stable with respect to gamma irradiation. They can be used with respect to hard surface disinfection, and also as a tuberculocide, a fungicide, a bactericide, and a virucide.Type: GrantFiled: February 28, 2018Date of Patent: May 28, 2019Assignee: American Sterilizer CompanyInventors: Christopher C. Heisig, Nancy-Hope E. Kaiser, Thomas W. Smith
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Patent number: 10194657Abstract: Antimicrobial compositions providing synergistic antimicrobial effects against a variety of bacterial, viral and fungal organisms are described. Methods for using the antimicrobial compositions and products containing the antimicrobial compositions are also described herein.Type: GrantFiled: September 19, 2014Date of Patent: February 5, 2019Inventors: Joseph Paul Thomas, Zsolt Istvan Hertelendy, Michael Lisle Howell
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Patent number: 9581583Abstract: A blood analysis apparatus configured such that a nozzle sucks a predetermined amount of a blood specimen in a specimen container, and dispenses the specimen to each blood cell counting part which obtains count data, and a control part processes the count data to perform blood analysis. In this apparatus, two or more blood cell counting parts (basophil counting part, LMNE counting part, red blood cell counting part, white blood cell counting part) are constituted to obtain the count data of the same particular blood cell type (white blood cells), and the control part calculates the ratio or number of the existing blood cell from each count data, and judges whether the amount of the blood specimen sucked in the nozzle is normal or insufficient by comparing respective calculation results to determine whether they are within the predetermined allowable ranges.Type: GrantFiled: May 15, 2014Date of Patent: February 28, 2017Assignee: HORIBA, Ltd.Inventor: Yuki Ishii
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Patent number: 9353334Abstract: The present invention discloses the method for cleaning a medical instrument using a treatment liquid, wherein the treatment liquid contains: (A) an alkanolamine in an amount of 0.004 to 1% by mass, (B) a nonionic surfactant in an amount of 0.002 to 1% by mass, (C) a polyhydric alcohol in an amount of 0.004 to 10% by mass, (D) an alkaline protease in an effective amount, and (E) water, and has a pH of not lower than 9.Type: GrantFiled: December 28, 2010Date of Patent: May 31, 2016Assignee: KAO CORPORATIONInventors: Kazuo Isobe, Masaya Nishio, Tatsuya Sakai
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Patent number: 9091677Abstract: The present invention discloses multi-purpose metering fluid/rinse reagents for use in automated cellular analyzers that use liquid volumetric metering. The compositions contain a chelating agent, an ionizing salt, optionally a stabilizing ion, a buffer, a non-hemolytic surfactant, and optionally an antimicrobial agent. Advantageously, the compositions produce less than one part-per-million of formaldehyde over the course of one year. Methods for using the compositions are also described.Type: GrantFiled: August 9, 2010Date of Patent: July 28, 2015Assignee: Beckman Coulter, Inc.Inventors: Wayne Goldson, Sandra Socarras
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Publication number: 20150147802Abstract: The present invention relates to [1] a detergent composition for a washer for medical devices, including a nonionic surfactant (A) represented by the following formula (1), at least one compound (B) selected from the group consisting of fatty acids having not less than 6 and not more than 10 carbon atoms or salts thereof, a cationic surfactant (C) represented by the specific formula, and water; and [2] a method of washing a medical device using a washer for medical devices which includes the step of washing the medical device with a mixture including the above detergent composition and an enzyme.Type: ApplicationFiled: May 28, 2013Publication date: May 28, 2015Applicant: KAO CORPORATIONInventor: Masaya Nishio
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Patent number: 9023778Abstract: Liquid compositions for cleaning, in particular medical instruments and air conditioning surfaces, said composition excluding surfactants and comprising one or more enzymes including a protease and optionally a hydrolase, a solvent system including a water soluble glycol ether solvent, at least one anionic hydrotrope, and wherein the molar ratio of said at least one hydrotrope to said glycol ether in the composition is selected to preserve the activity of said one or more enzymes. The hydrotrope is advantageously an anionic hydrotrope selected from the group consisting of water soluble anionic hydrotropes of the formula (I) and having no alkyl side chain greater than six carbons in length, for example a xylene sulfonate or cumene sulfonate salt.Type: GrantFiled: July 18, 2007Date of Patent: May 5, 2015Assignee: Novapharm Research (Australia) Pty Ltd.Inventors: Steven Kritzler, Alex Sava
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Publication number: 20150111803Abstract: A cleaning composition comprises A) a fatty alcohol-alkylene oxide copolymer, B) a glycoside, and C) a benzene sulfonate, wherein, the weight ratio of the component B and the component C is less than or equal to 5:1. The cleaning composition can be used as a detergent for cleaning medical appliances.Type: ApplicationFiled: May 24, 2012Publication date: April 23, 2015Inventors: Zhilan Liu, Ting Liu, Ying Wei Xie, Kai Qiu
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Patent number: 8933008Abstract: A disinfectant solution comprising: an aldehyde; a polyol; one or more acetal derivatives formed by reaction of said aldehyde with said polyol; one or more surfactants selected from the general classes anionic, cationic, or non-ionic; one or more pH buffering agents selected from the group consisting of monosodium phosphate, disodium phosphate, trisodium phosphate, sodium tetraborate, sodium bicarbonate, sodium citrate, phosphoric acid, boric acid and citric acid. The invention also relates to a process of producing the disinfectant solution, and a method of disinfecting and/or sterilizing heat sensitive medical devices comprising treating the medical devices with the disinfectant solution of the invention.Type: GrantFiled: April 27, 2011Date of Patent: January 13, 2015Assignee: Whiteley Corporation Pty. Ltd.Inventors: Gregory Stuart Whiteley, Reginald Keith Whiteley, Graeme David Probert, Trevor Owen Glasbey
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Publication number: 20150011452Abstract: Described are compositions and methods for the removal of zinc-oxide eugenol-based temporary cements or root canal filling materials from a variety of surfaces including surfaces inside the oral cavity, such as teeth, as well as surfaces of objects located outside of the oral cavity, such as instruments and prostheses. In certain compositions, the resin-dentin bond between permanent cements and collagen-containing surfaces can be increased. The compositions are non-toxic, can be used inside the oral cavity, and do not require special disposal procedures.Type: ApplicationFiled: June 10, 2014Publication date: January 8, 2015Inventors: Jason Guzman, Jeffrey Wan
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Patent number: 8921294Abstract: The present invention relates to a cleaning fluid, in particular a cleaning fluid for cleaning surfaces.Type: GrantFiled: December 16, 2011Date of Patent: December 30, 2014Inventor: Navjeet Kaur Matharu
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Patent number: 8920715Abstract: An antimicrobial solution for disinfecting instruments in an automatic sterilization device, the solution comprising: a peracid reaction product formed in situ from combining a liquid acetyl donor with a solid source of peroxide, wherein the in situ reaction takes place in the sterilization device, along with a containment and delivery ampule for use in an automatic sterilization device, and methods for disinfecting a medical instrument employing the inventive antibacterial solution.Type: GrantFiled: August 7, 2006Date of Patent: December 30, 2014Assignee: Hemostasis, LLCInventors: Keith Allen Roberts, Carl William Hahn, Gabriel P. Kern, Ryan A. Hoitink, Robert Orvin Crowder, John Henry Burban
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Patent number: 8921295Abstract: A biodegradable concentrated neutral detergent composition comprises various chelate compounds, various corrosion inhibitors, an alkaline compound, at least one sequestrant, various surfactants and hydrotropes, and water. The detergent can be highly concentrated, has a good long term shelf life, and when diluted is very effective in cleaning metals such as surgical instruments and prevents corrosion resistance of the metal even in a hard water environment.Type: GrantFiled: June 29, 2011Date of Patent: December 30, 2014Assignee: American Sterilizer CompanyInventors: Ann Maria Kneipp, Nancy-Hope E. Kaiser, Althea Noel Johnson
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Patent number: 8888926Abstract: A medical instrument cleaning concentrate and method for cleaning medical equipment. The method includes contacting the equipment with a cleaning concentrate dissolved in water. The cleaning concentrate contains (i) a biofilm permeation agent, (ii) a nonionic alkoxylated alcohol surfactant having an HLB ranging from about 5 to less than 8, wherein a weight ratio of (i) to (ii) in the cleaning concentrate based on 100 wt. % active ingredients ranges from about 0.5:1 to about 1.5:1, and (iii) and an inert diluents. After contacting the equipment with the cleaning concentrate dissolved in water, the contacted surfaces are rinsed to substantially remove detectible traces of the ingredients of the cleaning concentrate from the surfaces.Type: GrantFiled: August 16, 2013Date of Patent: November 18, 2014Assignee: Innovation Services, Inc.Inventors: Joseph B. Dooley, Jeffrey G. Hubrig
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Publication number: 20140314733Abstract: Composition for the removal of biofilms present on a substrate, comprising at least one detergent component comprising at least one sequestering agent and at least one agent that is simultaneously a wetting and a dispersing agent, and at least one enzymatic component containing at least one protease, at least one laccase and at least one polysaccharidaseType: ApplicationFiled: April 19, 2013Publication date: October 23, 2014Applicant: S.A. RealcoInventors: Gauthier Boels, Gordon Blackman, Sébastien Fastrez
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Publication number: 20140311529Abstract: The present invention relates to [1] a detergent composition for endoscope washers, including a nonionic surfactant (A) represented by the following formula (1), a branched-chain fatty acid having not less than 6 and not more than 10 carbon atoms or a salt thereof (B), a defoaming agent (C) and water, R—O—[(EO)m/(PO)n]—H??(1) wherein R represents a branched-chain alkyl group having not less than 7 and not more than 9 carbon atoms; EO represents an ethanediyloxy group; PO represents a propanediyloxy group; m and n each represent an average molar number of addition of the ethanediyloxy or propanediyloxy group in which m is a number of not less than 1 and not more than 30, and n is a number of not less than 2 and not more than 50; and the mark “/” represents that EO and PO may be added either in a random form or in a block form, and an order of addition of EO and PO is optional; and [2] a method of washing an endoscope using an endoscope washer, including the step of washing the endoscope with a mixture incluType: ApplicationFiled: May 28, 2013Publication date: October 23, 2014Inventors: Masaya Nishio, Tatsuya Sakai
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Publication number: 20140308366Abstract: The present invention relates to novel sulfoperoxycarboxylic acid compounds, and methods for making and using them. The sulfoperoxycarboxylic compounds of the invention are storage stable, water soluble and have low to no odor. Further, the compounds of the present invention can be formed from non-petroleum based renewable materials. The compounds of the present invention can be used as antimicrobials, and bleaching agents. The compounds of the present invention are also suitable for use as coupling agents.Type: ApplicationFiled: June 27, 2014Publication date: October 16, 2014Inventors: Junzhong Li, Richard Staub, David D. McSherry, Keith G. Lascotte, Steven J. Lange, Frank Everts
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Patent number: 8853278Abstract: Compounds, compositions, and methods comprising a polyamine compound are described, which may be used to kill, disperse, treat, reduce biofilms, and/or inhibit or substantially prevent biofilm formation. In certain aspects, the present invention relates to compounds, compositions, and methods comprising polyamine compounds that have antimicrobial or dispersing activity against a variety of bacterial strains capable of forming biofilms.Type: GrantFiled: November 8, 2013Date of Patent: October 7, 2014Assignees: Curza Global, LLC, University of Utah Research FoundationInventors: Ryan Looper, Dustin Williams, Sujeevini Jeyapalina, Travis Haussener, Paul R. Sebahar, Hari Kanna Reddy
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Publication number: 20140256025Abstract: A composition for cleaning a medical instrument having a surface at least partially covered by a biofilm. The composition may include a first enzyme having a weight of less than about 10% of the total weight of the composition, a second enzyme having a weight of less than about 10% of the total weight of the composition, and a surfactant having a weight less than about 10% of the total weight of the composition. The second enzyme may be different from the first enzyme. Additionally, the composition may have a pH ranging from about 4 to about 12, and the composition may be configured to remove greater than about 90% of the biofilm from the medical instrument in less than about 10 minutes.Type: ApplicationFiled: March 4, 2014Publication date: September 11, 2014
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Publication number: 20140235521Abstract: Methods employing detergent compositions effective for reducing hard water scale and accumulation on hard surfaces, namely within food, beverage and pharmaceutical applications are disclosed. The detergent compositions employ phosphinosuccinic acid adducts in combination with an alkalinity source and optionally polymers, surfactants and/or oxidizers, providing alkaline compositions having a pH between about 10 and 13.5.Type: ApplicationFiled: April 24, 2014Publication date: August 21, 2014Applicant: Ecolab USA Inc.Inventors: Carter M. Silvernail, Erik C. Olson, Michel M. Lawrence, Richard D. Johnson, Steven J. Lange
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Publication number: 20140212459Abstract: The invention relates to 10H-benzo[g]pteridine-2,4-dione derivatives, to the production thereof, and to the use thereof.Type: ApplicationFiled: June 22, 2012Publication date: July 31, 2014Inventors: Tim Maisch, Andreas Späth
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Patent number: 8765652Abstract: The present invention relates to reagents for use in deactivating nucleic acids and methods of making and using the same.Type: GrantFiled: June 25, 2012Date of Patent: July 1, 2014Assignee: Gen-Probe IncorporatedInventors: Norman C. Nelson, Kenneth A. Browne, Lizhong Dai, James Russell, Mark E. Filipowsky, Margarita B. Kaminsky, Daniel L. Kacian
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Patent number: 8685904Abstract: An aqueous lubricant emulsion for medical or food apparatus, comprising: (a) 5 wt % to 30 wt % of a mineral oil; (b) 5 wt % to 30 wt % of an emulsifier system consisting of two emulsifiers selected from the group consisting of sorbitan fatty acid ester, polyoxyethylene sorbitan fatty acid ester, oleyl alcohol ether, triethanolamine oleate, wherein the mass ratio of the two emulsifiers is in a range of 2:8 to 8:2; (c) 0.5 wt % to 5 wt % of one or more coemulsifiers selected from the group consisting of fatty alcohols, long-chain fatty acids, and diisooctyl succinate sulfonates; and (d) the balance of water. A method for washing medical or food apparatus including the step of subjecting the medical or food apparatus to a treatment using the lubricant emulsion according to the invention after a washing step for the medical or food apparatus is also described.Type: GrantFiled: June 19, 2009Date of Patent: April 1, 2014Assignee: 3M Innovative Properties CompanyInventors: Ying Wei Xie, Xiaolei Jia
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Patent number: 8658190Abstract: The addition of alcohol plus acetate salts unexpectedly enhanced the tuberculocidal activity of glutaraldehyde, and decreased the fumes of glutaraldehyde from the formula of a high-level disinfectant.Type: GrantFiled: July 11, 2005Date of Patent: February 25, 2014Assignee: DFB Technology, Ltd.Inventor: Norman A. Miner
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Patent number: 8647443Abstract: A method of cleaning an automatic biochemical analyzer, wherein the cleaning solution includes: at least one anionic surfactant, at least one nonionic surfactant, an alkali metal hydroxide, an alkali metal citrate, and a buffering agent stabilizing the pH value above 13.0. In some embodiments, the cleaning solution provides low residual rate of proteins, low residual rate of lipids, desirable within-batch repeatability in clinical testing, low level of cross-contamination, and low level of reactant deposit after cleaning, without affecting test results of the biochemical analyzer. In some embodiments, the cleaning solution has no corrosive effects on the liquid path and reaction cup of the analyzer. The ingredients of the cleaning solution may also be biodegradable.Type: GrantFiled: May 20, 2011Date of Patent: February 11, 2014Assignee: Shenzhen Mindray Bio-Medical Electronics Co., Ltd.Inventors: Yuping Zhang, Mulong Liu, Wenjuan Xu, Jun Cheng
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Publication number: 20140034089Abstract: A medical surface cleaning composition and a method for cleaning waste treatment system components, medical instruments surfaces, and enzyme residue-containing surfaces. The composition includes a residue cleaning agent and a substantially non-water soluble nonionic surfactant having an initial Ross-Miles foam height in an aqueous solution at 25° C. of less than 10 millimeters. A weight ratio of residue cleaning agent to surfactant on 100 wt. % active ingredient basis ranges from about 0.05:1 to about 0.5:1, and wherein the residue cleaning agent and surfactant are biodegradable.Type: ApplicationFiled: October 10, 2013Publication date: February 6, 2014Applicant: INNOVATION SERVICES, INC.Inventor: Jeffrey G. Hubrig
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Publication number: 20140039051Abstract: The invention relates to a cleaner and/or disinfectant for medical and/or surgical elements and apparatuses which is formulated as a powder. It comprises at least one peroxide, at least one acylating agent for releasing peracetic acid from the peroxide in aqueous solution, and also at least one nonionic surfactant. According to the invention, it is provided that it comprises agents for adjusting a pH of a 2% strength aqueous solution to pH 7.5 to 9 and is formulated as granules, where peroxide and/or acylating agent are coated with nonionic surfactant.Type: ApplicationFiled: August 1, 2013Publication date: February 6, 2014Applicant: Chemische Fabrik Dr. Weigert GmbH & Co. KGInventors: Iris Strodtholz, Verona Schmidt, Markus Kamer
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Publication number: 20140007900Abstract: The present invention provides a liquid composition for removing dental cement from the surface of non-living objects, comprising i) an inorganic base; ii) a complexing agent; iii) optionally a surfactant; and iv) an aqueous solvent. In a preferred embodiment, the composition comprises a surfactant, and an aqueous solvent comprising water mixed with a polar solvent miscible with water, preferably alcohol. Said objects to be cleaned comprise workpieces and instruments used in restoration work. Said workpieces may comprise crowns, bridges, inlays, and other prostheses. Said instruments may, comprise, for example, tools used during the dental operation which contacted the cement.Type: ApplicationFiled: February 20, 2012Publication date: January 9, 2014Inventor: Joseph Fish
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Publication number: 20130333730Abstract: A medical instrument cleaning concentrate and method for cleaning medical equipment. The method includes contacting the equipment with a cleaning concentrate dissolved in water. The cleaning concentrate contains (i) a biofilm permeation agent, (ii) a nonionic alkoxylated alcohol surfactant having an HLB ranging from about 5 to less than 8, wherein a weight ratio of (i) to (ii) in the cleaning concentrate based on 100 wt. % active ingredients ranges from about 0.5:1 to about 1.5:1, and (iii) and an inert diluents. After contacting the equipment with the cleaning concentrate dissolved in water, the contacted surfaces are rinsed to substantially remove detectible traces of the ingredients of the cleaning concentrate from the surfaces.Type: ApplicationFiled: August 16, 2013Publication date: December 19, 2013Applicant: Innovation Services, Inc.Inventors: Joseph B. Dooley, Jeffrey G. Hubrig
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Publication number: 20130298946Abstract: A medical waste pretreatment and/or conditioner composition comprising a lipid agglomeration inhibitor and a surfactant having an HLB value ranging from about 1 to less than about 5, wherein a weight ratio of agglomeration inhibitor to surfactant on 100 wt. % active ingredient basis ranges from about 0.015:1 to about 3:1.Type: ApplicationFiled: July 19, 2013Publication date: November 14, 2013Inventor: Jeffrey G. Hubrig
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Publication number: 20130296213Abstract: The present invention discloses the method for cleaning a medical instrument using a treatment liquid, wherein the treatment liquid contains: (A) an alkanolamine in an amount of 0.004 to 1% by mass, (B) a nonionic surfactant in an amount of 0.002 to 1% by mass, (C) a polyhydric alcohol in an amount of 0.004 to 10% by mass, (D) an alkaline protease in an effective amount, and (E) water, and has a pH of not lower than 9.Type: ApplicationFiled: December 28, 2010Publication date: November 7, 2013Applicant: KAO CORPORATIONInventors: Kazuo Isobe, Masaya Nishio, Tatsuya Sakai
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Publication number: 20130289114Abstract: Acetyl xylan esterases and variants thereof having perhydrolytic activity are provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. Multi-component peracid generation systems comprising an enzyme catalyst having perhydrolytic activity are also provided, as are methods of using the present enzyme catalyst to produce peroxycarboxylic acids. The polypeptide having perhydrolytic activity may be used to produce peroxycarboxylic acids suitable for use in a variety of applications such as cleaning, disinfecting, sanitizing, bleaching, wood pulp processing, paper pulp processing, and personal care applications.Type: ApplicationFiled: March 13, 2013Publication date: October 31, 2013Inventors: Mark Scott PAYNE, Robert DiCosimo
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Publication number: 20130261182Abstract: Acetyl xylan esterases and variants thereof having perhydrolytic activity are provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. Multi-component peracid generation systems comprising an enzyme catalyst having perhydrolytic activity are also provided, as are methods of using the present enzyme catalyst to produce peroxycarboxylic acids. The polypeptide having perhydrolytic activity may be used to produce peroxycarboxylic acids suitable for use in a variety of applications such as cleaning, disinfecting, sanitizing, bleaching, wood pulp processing, paper pulp processing, and personal care applications.Type: ApplicationFiled: March 13, 2013Publication date: October 3, 2013Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: Mark Scott PAYNE, Robert DiCosimo
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Patent number: 8536105Abstract: A medical instrument cleaning concentrate and method for cleaning medical equipment. The concentrate contains an active ingredient consisting essentially of (i) a biofilm permeation agent and (ii) a nonionic alkoxylated alcohol surfactant having an HLB ranging from about 5 to about 8, wherein a ratio of (i) to (ii) in the concentrate ranges from about 2:1 to about 4:1.Type: GrantFiled: June 8, 2010Date of Patent: September 17, 2013Assignee: Innovation Services, Inc.Inventors: Joseph B. Dooley, Jeffrey G. Hubrig
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Patent number: 8486896Abstract: There is provided a hydrogelator that is capable of forming a hydrogel with an extremely small amount thereof over a liquid property range from acidic to alkaline, and a hydrogel having high environmental suitability, biocompatibility and biodegradability. A hydrogelator comprising a lipid peptide represented by Formula (1): (where R1 represents an aliphatic group having 9 to 21 carbon atoms; R2, R3 and R4 independently represent a hydrogen atom, an alkyl group having 1 to 4 carbon atom(s) which may have a branched chain having 1 or 2 carbon atom(s), a phenylmethyl group or a —(CH2)n—X group, and at least one of R2, R3 and R4 represents a —(CH2)n—X group; n represents the number of 1 to 4; X represents an amino group, a guanidino group, a —CONH2 group or a 5-membered ring, a 6-membered ring or a fused heterocyclic ring composed of a 5-membered ring and a 6-membered ring which may have 1 to 3 nitrogen atom(s)) or a salt thereof, and a hydrogel comprising the hydrogelator.Type: GrantFiled: July 4, 2008Date of Patent: July 16, 2013Assignees: Nissan Chemical Industries, Ltd., Kyushu UniversityInventors: Nobuhide Miyachi, Takehisa Iwama, Masahiro Gotoh, Tatsuo Maruyama, Daisuke Koda
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Patent number: 8435933Abstract: A method for monitoring cleaning of a surface includes applying an amount of transparent indicator material to an area of a surface and measuring the amount of transparent indicator material remaining on the surface. The transparent indicator material may be fixed on the surface by drying and, when a fluorescent material, may be measured through exposure to ultraviolet radiation.Type: GrantFiled: November 28, 2011Date of Patent: May 7, 2013Assignee: Kleancheck Systems, LLCInventor: Philip C. Carling
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Publication number: 20130102672Abstract: An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a Thermotoga maritima acetyl xylan esterase gene was modified using error-prone PCR and site-directed mutagenesis to create an enzyme catalyst characterized by an increase in specific activity. The variant acetyl xylan esterase may be used to produce peroxycarboxylic acids suitable for use in a variety of applications such as cleaning, disinfecting, sanitizing, bleaching, wood pulp processing, and paper pulp processing applications.Type: ApplicationFiled: October 22, 2012Publication date: April 25, 2013Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventor: E.I. Du Pont De Nemours And Company
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Patent number: 8420584Abstract: A non-toxic enzymatic detergent for use in cleaning surgical instruments and the like which have a large build-up of bio-residue thereon and which need specialty cleaning in order to avoid both hardened bio-residue and certain fluid traces from the instruments for both operating accuracy as well as sterilization requirements.Type: GrantFiled: June 4, 2010Date of Patent: April 16, 2013Inventors: Melton Sherwood Thoele, Alex Ladato
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Patent number: 8382912Abstract: A biofilm-removing agent which effectively removes biofilms is provided. A biofilm-removing agent containing a basic amino acid derivative represented by the following formula (1) or a salt thereof: (wherein R1 represents a linear- or branched-alkyl group having 4 to 18 carbon atoms or a linear- or branched-alkenyl group having 4 to 18 carbon atoms; X and Y each represent a group selected from the groups represented by the following formulas: and m represents an integer from 1 to 5).Type: GrantFiled: November 27, 2008Date of Patent: February 26, 2013Assignee: KAO CorporationInventors: Kazuo Isobe, Yuji Okauchi
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Patent number: 8343903Abstract: There is disclosed a cleaning composition comprising (i) 0.1 to 10 percent by weight of the cleaning composition of a biofilm removing detergent solution comprising a combination of an alkyl (C8-18) polysaccharide, a non-ionic surfactant and a nitrogen containing surfactant-biocide (ii) 2 to 80 percent by weight of the cleaning composition of one or more polar solvent (iii) 0.5 to 15 percent by weight of the cleaning composition of one or more primary amine (iv) two or more chelating agents (v) 0.1 to 5.0 percent by weight of the cleaning composition of an alkaline buffer system providing a pH of about 11.5 to 13.3 in aqueous solution (vi) 0.005 to 5.0 percent by weight of the cleaning composition of an alkoxyaminosilane. Also disclosed is a process of cleaning, decontaminating and/or passivating metallic surgical instruments and/or equipment using the composition of the invention.Type: GrantFiled: July 16, 2009Date of Patent: January 1, 2013Assignee: Whiteley Holdings Pty LtdInventor: Reginald Keith Whiteley
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Patent number: 8227397Abstract: The disclosure relates to an enzyme stabilization system, compositions with the enzyme stabilization system, and methods of using the enzyme composition. Preferred ratios of acid to amine are effective at stabilizing enzyme. Optional nonionic surfactants and solvents also positively contribute to enzyme stability. The compositions are useful in cleaning applications.Type: GrantFiled: May 11, 2011Date of Patent: July 24, 2012Assignee: Ecolab USA Inc.Inventors: Brandon L. Herdt, Werner Strothoff, Alice Siegmann
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Publication number: 20120172271Abstract: An alkaline composition having a pH ranging from about 8.5 to about 10 comprising a first substantially hydrophilic nonionic alkoxylated alcohol surfactant having an HLB value ranging from about 12 to about 15; a second substantially hydrophilic nonionic alkoxylated alcohol surfactant having an HLB value ranging from about 16 to 20; a bio-film permeation agent; and an aqueous solvent, wherein a total amount of the first substantially hydrophilic nonionic alkoxylated alcohol surfactant and the second substantially hydrophilic nonionic alkoxylated alcohol surfactant in the alkaline composition ranges from about 2 to about 20 percent by weight of a total weight of the alkaline composition.Type: ApplicationFiled: March 7, 2012Publication date: July 5, 2012Applicant: STRYKER CORPORATIONInventors: Jeffrey G. Hubrig, Joseph B. Dooley
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Publication number: 20120108484Abstract: The invention relates to the use of an agent that contains 5 to 99.9% by weight of carbamide and/or at least a derivative thereof, as a cleaning agent e.g. for closed systems, in particular as a dishwasher detergent, as a laundry detergent for washing machines, as an agent for cleaning, sanitizing and/or disinfecting for equipment in the food processing industry and for medical equipment, the use as a hand dishwashing detergent or sanitary cleaner or as a hand cleaner.Type: ApplicationFiled: March 17, 2010Publication date: May 3, 2012Applicant: BBT Bergedorfer Biotechnik GmbHInventors: Klaus Becker, Manfred Haake
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Patent number: 8163101Abstract: A method for cleaning contaminated surfaces of surgical waste management equipment. The method includes rinsing surfaces of the equipment with water to remove water soluble contaminants and waste material. A rinse solution is applied to the surfaces of the equipment to provide a residual film thereon. The rinse solution includes a first nonionic alkoxylated alcohol surfactant having an HLB value ranging from about 12 to about 15, a second nonionic alkoxylated alcohol surfactant having an HLB value ranging from about 16 to 20, an aqueous solvent, and a bio-film permeation agent. A total of the first surfactant and the second surfactant in the composition ranges from about 2 to about 20 percent by weight of a total weight of the composition.Type: GrantFiled: January 13, 2011Date of Patent: April 24, 2012Assignee: Stryker CorporationInventors: Joseph B. Dooley, Jeffrey G. Hubrig, Richard H. Devault, Rodney D. Parker, John M. Izenbaard
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Patent number: 8119584Abstract: The present disclosure generally relates to a method for cleaning a shaving device using a cleaning solution and preparation of the cleaning solution. More particularly, the present disclosure relates to a method of cleaning a shaving device using an environmentally friendly cleaning solution.Type: GrantFiled: July 19, 2010Date of Patent: February 21, 2012Assignee: Rovcal, Inc.Inventors: Richard A. Harthun, David W. Everett, Giovanni Gonzalez