Oils, Grease, Tar, Or Wax Removal, By Dissolving Patents (Class 134/40)
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Patent number: 6812196Abstract: A method of substantially reducing biofilm-associated microorganisms on a surface and a composition designed to substantially reduce biofilm-associated microorganisms on surfaces are disclosed. In one embodiment, the composition is an anionic surfactant selected from the group consisting of alkyl sulfates, alkyl sulfonates, and aryl sulfonates with alkyl or aryl substituents, an acid, and an alcohol solvent, wherein the pH of the composition is between pH 1 and pH 5.Type: GrantFiled: June 10, 2002Date of Patent: November 2, 2004Assignee: S.C. Johnson & Son, Inc.Inventors: Wayne M. Rees, Debra S. Hilgers
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Patent number: 6805135Abstract: A cleaning solution is used to remove a byproduct derived from a decomposed substance of a process gas containing C and F. The cleaning solution contains 75 wt % N-methyl-2-pyrrolidone, 15 wt % ethylene glycol monobutyl ether, 0.5 wt % surfactant, and 9.5 wt % water. The content of an alkali metal in the cleaning solution is set to be less than 10 ppb.Type: GrantFiled: November 24, 2000Date of Patent: October 19, 2004Assignees: Nittou Chemical Industries, Ltd., Tokyo Electron LimitedInventors: Kenichi Hirota, Hitoshi Yamada, Kiyoshi Yuasa, Eiji Yamaguchi, Shinichi Kawaguchi, Takahiro Shimoda, Nobuyuki Nagayama
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Patent number: 6805750Abstract: A method of surface cleaning and controlled oxidation of superalloys is described. The method provides a thin homogeneous layer of relatively pure alpha alumina which is suited to receive and adhere to a subsequent vapor deposited coating.Type: GrantFiled: March 23, 1999Date of Patent: October 19, 2004Assignee: United Technologies CorporationInventors: Raymond P. Ristau, Sudhangshu Bose, Alan D. Cetel
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Patent number: 6805141Abstract: A rinse agent composition containing: (a) a gemini surfactant corresponding to formula I: R—CHOH—CH2—[OCH2CH2]x—O—CH2—CHOH—R (I) wherein R is a linear or branched alkyl and/or alkenyl radical having from about 4 to 22 carbon atoms, and x is a number from about 5 to 90; and (b) a fatty alcohol alkoxylate corresponding to formula II: R1O[CH2(CH3)CHO]q(CH2CH2O)rH (II) wherein R1 is a linear or branched alkyl and/or alkenyl group having from about 4 to 22 carbon atoms, and q is a number up to about 10, and r is a number from about 1 to 50, and wherein (a) and (b) are present in the composition in a ratio by weight of from about 1:1 to 4:1.Type: GrantFiled: December 12, 2002Date of Patent: October 19, 2004Assignee: Cognis Deutschland GmbH & Co. KGInventors: Michael Elsner, Ditmar Kischke, Manfred Weuthen
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Patent number: 6793739Abstract: A cleaning method for removing solid deposits of the oxides of nitrogen, especially dinitrogen pentoxide, from ozone generator tubes and dielectrics is described. The method circulates warm dry gas in the tube section of the generator, warm water in the shell section or both to clean the ozone generator. The oxides are evaporated and evacuated from the system. The method substantially reduces or eliminates the formation of nitric acid on the tubes and dielectrics when the generator is exposed to humidity upon being opened to the atmosphere.Type: GrantFiled: April 12, 2001Date of Patent: September 21, 2004Assignee: Air Liquide CanadaInventors: François Roche, J. W. G. Michel Epiney, Robert J. Price, Christopher T. Sutton, Gregory E Casey
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Patent number: 6794345Abstract: The invention relates to gemini surfactants, optionally in combination with ingredients customary in dishwashing detergents and cleaners, optionally with further nonionic surfactants and anionic surfactants, and to the use of such gemini surfactants for improving the wetting behavior and the compatibility with plastics, for the simplified preparation of solid cleaners and as foam-suppressing surfactant in rinse aid formulations.Type: GrantFiled: May 6, 2002Date of Patent: September 21, 2004Assignee: Cognis Deutschland GmbH & Co. KGInventors: Michael Elsner, Manfred Weuthen, Hans-Christian Raths
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Patent number: 6790818Abstract: The present invention provide a composition suitable for use as a foaming hand dishwashing composition comprising a hydrophobic polymer having molecular weight of at least 500 and comprising butylene oxide moieties with the proviso that the composition does not comprise greater than 5% by weight of the composition of builder.Type: GrantFiled: March 20, 2002Date of Patent: September 14, 2004Assignee: Procter & Gamble CompanyInventors: Patrice Mark Luc Borgonjon, Baptiste Pommiers, Mark Robert Sivik, Jean-Francois Bodet
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Publication number: 20040173247Abstract: Systems and methods for cleaning asphalt contact surfaces are provided. One such system includes a means for determining a dilution ratio appropriate to a particular asphalt contact surface, a nozzle proximate to the asphalt contact surface, and a pump in fluid communication with the nozzle. The pump is configured to deliver to the nozzle a mixture of water and said cleaning compound with the appropriate dilution ratio. One such method includes the steps of: pumping a cleaning mixture with a dilution ratio appropriate to a particular asphalt contact surface; supplying said pumped cleaning mixture to at least one nozzle proximate to the asphalt contact surface; and spraying the asphalt contact surface through the nozzle with the pumped mixture.Type: ApplicationFiled: March 4, 2004Publication date: September 9, 2004Inventor: Paul A. Wilson
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Patent number: 6786977Abstract: Gas-expanded liquids, methods of use thereof, and systems of using gas-expanded liquids are provided. One exemplary system, among others, includes: a gas-expanded liquid system comprising a gas and a liquid, wherein the gas-expanded liquid system is adapted to generate a gas-expanded liquid; and a substrate handling system adapted to position a substrate having a photoresist layer so that the gas-expanded liquid can be made to contact the substrate to remove the photoresist layer.Type: GrantFiled: November 21, 2003Date of Patent: September 7, 2004Assignee: Georgia Tech Research CorporationInventors: Matthew T. Spuller, Dennis W. Hess
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Patent number: 6786223Abstract: Disclosed herein are hard surface cleaners which provide improved fragrance retention properties to the treated hard surface, and methods for using them. The cleaners include a fragrance, a carrier, and a surfactant selected from ethylene oxide/propylene oxide block copolymers, polyglycosides, ethoxylated alkyl alcohols, and ethylene oxide/propylene oxide copolymers functionalized with a fatty alcohol moiety. The cleaner may also contain water and a base.Type: GrantFiled: July 29, 2002Date of Patent: September 7, 2004Assignee: S. C. Johnson & Son, Inc.Inventors: Michael E. Klinkhammer, Richard S. Valpey, III, Brandon R. Thalmann, Mathew A. Jones, John Tsibouklis, Maureen J. Stone, Richard W. Avery
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Patent number: 6783599Abstract: Contaminants are removed from a surface of a substrate by applying a fluid to the surface; lowering the temperature of the fluid to form a solid layer of the fluid and entrap contaminants therein; and applying energy to the layer and/or substrate to cause the layer containing the contaminants to separate from the surface.Type: GrantFiled: July 19, 2001Date of Patent: August 31, 2004Assignee: International Business Machines CorporationInventors: Glenn W. Gale, Frederick W. Kern, Jr., William Alfred Syverson
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Patent number: 6782898Abstract: In a ring shaped part washing method an ultrasonic vibration plate 33 is disposed in a washing tank 23 filled with a washing fluid 31, and ultrasonic waves generated by the ultrasonic vibration plate 33 are applied to ring-shaped parts 27 disposed in the washing tank 23 to thereby remove foreign substances stick to the ring-shaped parts 27 therefrom. The ring-shaped parts 27 are disposed inclinedly with respect to the ultrasonic vibration plate 33 in such a manner that the axes 27a of the ring-shaped parts 27 intersect with the plate surface 33a of the ultrasonic vibration plate 33 at an angle &thgr; other than a right angle.Type: GrantFiled: August 15, 2001Date of Patent: August 31, 2004Assignee: NSK LTDInventors: Hiroki Mizuno, Shigeo Tokura, Masaji Kashimoto, Takayuki Kurashima
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Publication number: 20040163671Abstract: The invention relates to a degreasing composition in liquid, gel or foam form for degreasing and/or decontaminating solid surfaces.Type: ApplicationFiled: January 15, 2004Publication date: August 26, 2004Inventors: Bruno Fournel, Laetitia Vauclair
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Publication number: 20040159342Abstract: A customizable car wash blending system and method is provided. The method includes the steps of positioning a vehicle adjacent a set of sensors (step 10), measuring a variety of parametric data relating to macroscopic debris and surface film formed on a surface of the vehicle, calculating the quantity of presoak components to be added to a presoak solution (step 70), blending the presoak solution (step 80), and applying the presoak solution to the vehicle (step 110). Quantities of presoak enhancing agents are also calculated from the sensor readings (step 120) along with the calculation of the number and type of wash cycles required for the vehicle (step 130). The method is implemented by customizable car wash blending system (200) which incorporates a plurality of sensors (210, 220, 230, 240, 250) in communication with a computer control system (270). Computer control system (270) communicates with a series of sub-systems (280, 290, 300, 310) in order to apply the presoak solution and wash the vehicle.Type: ApplicationFiled: February 14, 2003Publication date: August 19, 2004Inventors: Murray Ewing, Jeff Ousborne, Erik Eden, David Honigs, Fred J. Eden
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Patent number: 6777384Abstract: The invention relates to gemini surfactants, optionally in combination with ingredients customary in laundry detergents, dishwashing detergents and cleaners, optionally with further nonionic surfactants and anionic surfactants, and to the use of such gemini surfactants for improving the wetting behavior and the compatibility with plastics, for the simplified preparation of solid cleaners and as foam-suppressing surfactant in rinse aid formulations.Type: GrantFiled: May 6, 2002Date of Patent: August 17, 2004Assignee: Cognis Deutschland GmbH & Co., KGInventors: Hans-Christian Raths, Manfred Weuthen, Michael Elsner
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Patent number: 6770614Abstract: Precision cleaning compositions for electronic and electrical components comprise at least one halogenated, saturated or unsaturated hydrocarbon other than cis-1,2-dichloroethylene; at least one fluorinated saturated or unsaturated hydrocarbon having the formula CnHmFp, wherein 3≦n≦6, 0≦m≦9 and p≧5; at least one fluorinated saturated or unsaturated ether having the formula CaHbOcFd, wherein 3≦a≦6, 0≦b≦9, c≧1, and d≧5; methylal; at least one simple alcohol; and optionally at least one propellant. In a preferred embodiment, the composition comprises trans-1,2-dichloroethylene, methylal, methyl nonafluorobutyl ether, ethyl nonafluoroisobutyl ether and carbon dioxide. The cleaning compositions are environmentally friendly (non-ozone depleting), are strong enough to tackle tough soils yet mild enough for use on plastic components, are non-flammable, have no flash point, and leave no residue on the substrate.Type: GrantFiled: June 3, 2002Date of Patent: August 3, 2004Assignee: CRC Industries, Inc.Inventors: Richard L. Miller, Melodee A. Nemeth
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Patent number: 6770150Abstract: Alkaline and acid cleaning solutions (180, 182), are used sequentially for removing organic and inorganic residues, respectively, from the chamber. The two cleaning solutions are stored in separate storage containers (52, 54) carried by the cart. The alkaline cleaning fluid preferably includes a strong base, such as potassium or sodium hydroxide. The acid cleaning solution includes a strong acid, such as phosphoric acid, which passivates the chamber during the cleaning process. After cleaning is complete, the two cleaning fluids are mixed together to form a neutral or near neutral solution which is disposable in a sanitary sewer system without further treatment.Type: GrantFiled: March 9, 2000Date of Patent: August 3, 2004Assignee: Steris Inc.Inventors: Michael A. Duckett, John C. Bliley, Gerald J. Kielar, Sayed Sadiq Shah, Anthony W. Raymond
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Patent number: 6759378Abstract: The present invention relates to an agent for the safe and environmentally friendly cleaning of components, for example from paint, lacquer, adhesive and rubber, in the absence of a negative effect on the components and the environment. The agent in accordance with the invention contains N-methyl 2-pyrrolidon with the addition of alkaline salt of unsaturated fatty acids and water.Type: GrantFiled: August 27, 2002Date of Patent: July 6, 2004Assignee: Stripp Chemicals ABInventors: Kjell Karlsson, Hans Magnusson
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Patent number: 6759377Abstract: A detergent for glass-ceramic surfaces has a certain abrasive agent content and a pH value lower than about 6. The abrasive agent contains particles of an organic material, preferably in an amount of at least about 20% of the abrasive agent, and more preferably substantially the entire abrasive agent. The organic material may be a polyolefin or polyurethane, for example, and may be predominantly present as particles with a particle size in the range of about 10 to 1000 &mgr;m. The abrasive agent may also include mineral particles.Type: GrantFiled: January 28, 2002Date of Patent: July 6, 2004Assignee: Reckitt Benckiser N.V.Inventors: Marion Hackenthal, Alexandra Hary, Mike Kosub, Edgar Endlein
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Patent number: 6746543Abstract: A cleaning apparatus and a cleaning method for cleaning a object are provided. In the cleaning apparatus, a drying chamber 42 and a cleaning bath 41 are separated from each other up and down, respectively. Thus, a space in the drying chamber 42 can be insulated from a space of the cleaning bath 41 through rotary doors 59a and a slide door 72. In the cleaning method, a cleaning process in the cleaning bath 41 is carried out while sealing it by the rotary doors 59a. On the other hand, a drying process in the drying chamber 42 is accomplished while sealing and closing it by the slide door 72. Consequently, there is no possibility that, during the drying process, the object is subjected to a bad influence from a chemical treatment.Type: GrantFiled: December 13, 2001Date of Patent: June 8, 2004Assignee: Tokyo Electron LimitedInventors: Yuji Kamikawa, Satoshi Nakashima, Kinya Ueno
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Patent number: 6743530Abstract: A thermoplastic norbornene resin is purified by using a cleaning liquid to eliminate organic impurities, ionic impurities, metallic impurities, and particles of the resin. The cleaning liquid is selected from 2-propanol and a mixed solvent of 2-propanol and water. A substrate for a magnetic recording medium of the invention by fabricated by injection-molding the thermoplastic norbornene resin purified by this method. A magnetic recording medium of the invention includes such a substrate, and a magnetic layer, a protective layer, and a liquid lubricant layer sequentially formed on the substrate. A method for manufacturing such a magnetic recording medium is also provided.Type: GrantFiled: April 10, 2003Date of Patent: June 1, 2004Assignee: Fuji Electric Co., Ltd.Inventors: Youich Tei, Syoji Sakaguchi, Katsunori Suzuki
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Patent number: 6740627Abstract: Disclosed are detergent compositions comprising organic diamines, anionic surfacants and amphoteric surfactants including amine oxide for hand dishwashing which, by incorporating certain organic solvents, results in a liquid dishwashing detergent composition that is not only a more effective cleaning agent, but also offers improved physical and enzymatic stability and more convenient rheology and handling characteristics than typical liquid dishwashing compositions.Type: GrantFiled: August 3, 2001Date of Patent: May 25, 2004Assignee: The Procter & Gamble CompanyInventors: Joanna Margaret Clarke, Garry Kenneth Embleton, Howard David Hutton, Mark Leslie Kacher, John David Sadler, Deborah Pancheri Wallace
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Patent number: 6732747Abstract: An improved composition and method for cleaning and disinfecting a garbage disposal that does not require aerosol propellants or carbon dioxide gas generating reaction systems. The composition comprises a suds stabilizing surfactant and a disinfecting agent, plus other optional ingredients such as additional detergent surfactant and scouring agents. In the method of cleaning and disinfecting, a flow of water is provided to the garbage disposal and the composition is then added while the garbage disposal is turned on. The mechanical action of the garbage disposal grinder blades rapidly mixes the composition with water to create suds and disperse the suds around the entire interior chamber, thus cleansing and disinfecting the garbage disposal. After the suds are generated, the flow of water is discontinued, with the garbage disposal being turned off within about 1 minute after the flow of water is discontinued.Type: GrantFiled: April 15, 2003Date of Patent: May 11, 2004Inventor: William S. Wise
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Patent number: 6732748Abstract: A rinse aid composition containing: (a) a hydroxy mixed ether corresponding to formula I: R1O[CH2CHR2O]x[CH2CHR3O]yCH2CH(OH)R4 (I) wherein R1 is an alkyl and/or alkenyl group containing from about 4 to 22 carbon atoms, R2 is hydrogen or a methyl or an ethyl group, R3 is hydrogen or a methyl or an ethyl group, R4 is an alkyl group containing from about 2 to 22 carbon atoms, x is a number up to 30, y is a number up to 30, and x+y is greater than or equal to 1; (b) an alkyl and/or alkenyl oligoglycoside corresponding to formula II: R5O—[G]p (II) wherein R5 is an alkyl and/or alkenyl group containing from about 4 to 22 carbon atoms, G is a sugar unit containing 5 or 6 carbon atoms, and p is a number from 1 to 10; and (c) a nonionic co-surfactant, and wherein (a) and (b) are present in the composition in a ratio by weight of from about 10:0.1 to 1:10.Type: GrantFiled: November 25, 2002Date of Patent: May 11, 2004Assignee: Cognis Deutschland GmbH & Co. KGInventors: Joerg Kahre, Michael Elsner, Rita Koester, Karl Heinz Schmid
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Publication number: 20040084060Abstract: A method and kit are disclosed for removing or alleviating the severity or intensity of stains from aldehyde-based sterilizing solutions through the use of reducing agents. This invention is effective even for porous surfaces such as filter paper and porous nylon films as well as for smooth surfaces such as glass, aluminum, copper, brass and stainless steel. Also, the invention may be used in a variety of formats such as a kit useful for making or using solutions or gels to treat the aldehyde-based stained surfaces of, for example, medical devices, hospital bench or table tops, hospital floors and skin (if in appropriate pH range), etc.Type: ApplicationFiled: July 16, 2003Publication date: May 6, 2004Inventors: Peter Zhu, Henry Hui, Les Feldman
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Publication number: 20040082828Abstract: A method for decontaminating soil containing inorganic contaminants having a degree of liberation of at least 60%, comprising the steps of removing from a coarse fraction at least a portion of inorganic contaminants in particulate form contained therein with a jig to produce a treated coarse fraction, removing from an intermediate fraction at least a portion of inorganic contaminants in particulate form contained therein with a separator selected from the group consisting of a spiral and a classifier to produce a treated intermediate fraction, removing from a fine fraction at least a portion of inorganic contaminants in particulate form contained therein with a separator selected from the group consisting of a flotation cell and a multi-gravity separator to produce a treated fine fraction, whereby the combined treated coarse, intermediate and fine fractions are impoverished in inorganic contaminants.Type: ApplicationFiled: May 23, 2003Publication date: April 29, 2004Inventor: Mario Bergeron
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Publication number: 20040079394Abstract: This invention relates to a degreasing process and device. It is particularly useful for degreasing surfaces coated with lanoline.Type: ApplicationFiled: March 21, 2003Publication date: April 29, 2004Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUEInventors: Pascal Thouvenot, Pierre Plume
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Patent number: 6718992Abstract: Neutral to basic compositions comprising surfactants other than amphoteric surfactants, copolymers of vinylpyrrolidone and an alkylenically unsaturated monomer, and a polysaccharide polymer. Also, employment of these compositions in processes for treating hard surfaces, providing a shine benefit to the hard surfaces, reducing limescale deposits and watermarks from hard surfaces, and for providing a “next-time” cleaning benefit to hard surfaces.Type: GrantFiled: February 16, 2001Date of Patent: April 13, 2004Inventors: Sergio Cardola, Panos Iakovides, Laura Orlandini, Maria Rosa Rescio
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Patent number: 6713440Abstract: A resist removing composition having a superior capability for removing a resist, polymer, organometallic polymer and etching by-products such as metal oxide, which does not attack underlying layers exposed to the composition and which does not leave residues after a rinsing step. The resist removing composition contains alkoxy N-hydroxyalkyl alkanamide and a swelling agent.Type: GrantFiled: January 31, 2002Date of Patent: March 30, 2004Assignee: Samsung Electronics Co., Ltd.Inventors: Dong-jin Park, Kyung-dae Kim, Sang-mun Chon, Jin-ho Hwang, Il-hyun Sohn, Sang-oh Park, Pil-kwon Jun
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Patent number: 6701940Abstract: Disclosed herein are hard surface antimicrobial cleaners and methods for using them. The cleaners include a low concentration of high molecular weight ethylene oxide/propylene oxide block copolymer and a carrier. This provides residual benefits on the hard surface such as soil resistance and resistance to bacteria, molds, and biofilms. The cleaners contain other surfactants, and preferably also water and an organic acid.Type: GrantFiled: October 11, 2001Date of Patent: March 9, 2004Assignee: S. C. Johnson & Son, Inc.Inventors: John Tsibouklis, Maureen J. Stone, Richard W. Avery
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Patent number: 6702903Abstract: A washing method of petroleum equipment using washing solution capable of being used in a waterless environment is provided. A compound of surface-active agent and oil is used as the washing solution of the petroleum equipment. Content of the surface-active agent in the compound is preferably 1 to 20 volume %. The surface-active agent is preferably selected from the group consisting of anionic surface-active agent, cationic surface-active agent, amphoteric surface-active agent and nonionic surface-active agent. The oil is preferably at least one selected from the group consisting of kerosene, light gas oil, vacuum gas oil and light cycle oil fraction obtained from a fluid catalystic cracking unit.Type: GrantFiled: October 11, 2002Date of Patent: March 9, 2004Assignee: Softard Industries Co., Ltd.Inventors: Katshuiko Kawakami, Hirozumi Hosokawa
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Patent number: 6695927Abstract: A method and a solution are provided for cleaning a container, in particular a boiler of a conventional power station. The container is degreased and pickled in one method step using an alkaline cleaning solution. A suitable cleaning solution includes, for example, an ammonium EDTA salt, hydrazine and a surfactant.Type: GrantFiled: November 22, 2000Date of Patent: February 24, 2004Assignee: Siemens AktiengesellschaftInventors: Ursula Hollwedel, Klaus Kuhnke
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Patent number: 6695928Abstract: A method for the production of (meth)acrylic acid and/or a (meth)acrylic ester is provided. This method for the production of (meth)acrylic acid and/or a (meth)acrylic ester includes washing the device constructed for the production thereof with a basic solution and subsequently rinsing them with a solvent for the purpose of removing solid substances such as polymer and precipitate which occur during the production of (meth)acrylic acid and/or a (meth)acrylic ester.Type: GrantFiled: March 1, 2000Date of Patent: February 24, 2004Assignee: Nippon Shokubai Co., Ltd.Inventors: Sei Nakahara, Takeshi Nishimura, Masatoshi Ueoka
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Patent number: 6689226Abstract: The decontamination gel consists of one solution including: a) a thickening agent; b) an active agent of decontamination; in which the thickening agent (a), is an agent exclusively organic, chosen among water-soluble organic polymers. This gel is usable for radioactive decontamination of surfaces, especially metallic surfaces.Type: GrantFiled: March 20, 2002Date of Patent: February 10, 2004Assignee: S.T.M.I. Société des Techniques en Milieu IonisantInventors: David Cheung, Philippe Rigal, Stéphane Bargues, Frédéric Favier, Jean-Louis Pascal
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Patent number: 6689734Abstract: Chemical solvating, degreasing, stripping and cleaning agents. The agents are cleaning and solvating mixtures of mono brominated compounds with highly fluorinated compounds and/or other agents that improve and enhance the properties of the original mixture. The addition of these agents to the composition will modify the physical and/or cleaning characteristics of the monobrominated compound and/or monobrominated compound-fluorinated compound mixture to accomplish is desired cleaning or solvating task. These other agents are one or more of the following materials: alcohols, esters, ethers, cyclic ethers, ketones, alkanes, terpenes, dibasic esters, glycol ethers, pyrollidones, or low or non ozone depleting chlorinated and chlorinated/fluorinated hydrocarbons.Type: GrantFiled: July 10, 2002Date of Patent: February 10, 2004Assignee: Kyzen CorporationInventors: Kyle J. Doyel, Michael L. Bixenman, Scotty S. Sengsavang, Arthur J. Thompson, Valerie G. Porter, Patricia D. Overstreet, Kristie L. Gholson
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Patent number: 6689223Abstract: A method of cleaning hard surfaces by contact with an aqueous, liquid, multiphase, surfactant-containing cleaning composition having at least two continuous phases, one lower aqueous phase I and an upper aqueous phase II immiscible with the lower phase I, which can be temporarily converted into an emulsion by shaking and which cleaning composition contains no more than 50% by weight of nonionic surfactants, based on the total quantity of surfactants present.Type: GrantFiled: August 4, 2000Date of Patent: February 10, 2004Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Georg Meine, Ryzard Katowicz, Ulf-Armin Schaper, Alexander Ditze
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Patent number: 6682604Abstract: A method of restoring a contaminated polymer article including contacting a contaminated polymer article with an oil which is not a plasticizer under conditions effective to remove substantially all contaminants present on the polymer article to produce a restored polymer article.Type: GrantFiled: May 22, 2001Date of Patent: January 27, 2004Assignee: Rochester Institute of TechnologyInventor: Hunaid Nulwala
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Patent number: 6676768Abstract: The present invention comprises methods, compositions and apparatus for cleaning the surfaces within vessels that have restricted points of entry, and in particular, the surfaces within oxygen converters and oxygen cylinders. These oxygen converters and oxygen cylinders are components of the onboard oxygen supply systems of aircraft. A surfactant and a solvent are mixed to form a cleaning composition that is boiled at reduced pressure and increased temperature within the oxygen converter or oxygen cylinder. The oxygen converter or oxygen cylinder is rinsed with pure solvent, and the rinse fluid is measured to determine the level of contaminants. Dry air is forced through the oxygen converter or oxygen cylinder to remove remaining solvent. The cleaning composition may comprise a fluorocarbon solvent and a fluorosurfactant.Type: GrantFiled: July 30, 2002Date of Patent: January 13, 2004Assignee: Versar, Inc.Inventors: Gregory M. Fillipi, Bobby E. Walls, Anthony K. Magerus, Jerry L. Gore, Jerome B. Strauss, Gerard K. Newman, Jan Goldberg, Christy Crowe
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Patent number: 6677292Abstract: A liquid cleaning solvent is formulated from a terpene hydrocarbon present in a concentration of about 50 percent to about 90 percent of the cleaning solvent and tetrahydrofuran compatible with the terpene hydrocarbon present in a concentration of about 10 percent to about 50 percent of the cleaning solvent. The liquid cleaning solvent is provided in a dispensing pen for ease of application.Type: GrantFiled: April 18, 2002Date of Patent: January 13, 2004Assignee: Illinois Tool Works, Inc.Inventor: Milton J. Davis
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Patent number: 6677285Abstract: An aerosol UV dye cleaner. In a described embodiment, an apparatus for cleaning UV dye from an air conditioning system includes a UV dye cleaner, a propellant and an aerosol can having the cleaner and the propellant pressurized therein. The apparatus is particularly useful in servicing automotive air conditioning systems in which access to system components is restricted.Type: GrantFiled: February 27, 2003Date of Patent: January 13, 2004Assignee: Technical Chemical CompanyInventor: Newton Howard Dudley
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Patent number: 6677291Abstract: A liquid cleaning solvent is formulated from a terpene hydrocarbon present in a concentration of about 50 percent to about 80 percent of the cleaning solvent and tetrahydrofuran compatible with the terpene hydrocarbon present in a concentration of about 20 percent to about 50 percent of the cleaning solvent. The liquid cleaning solvent is provided in a dispensing pen for ease of application.Type: GrantFiled: January 11, 2002Date of Patent: January 13, 2004Assignee: Illinois Tool Works, Inc.Inventor: Milton J. Davis
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Patent number: 6673231Abstract: Disclosed is a method for removing sludge in a crude oil storage tank by use of thermal oil discharged from a distillation tower of an oil refinery, such as atmospheric residue, vacuum residue, or vacuum gas oil, and recovering oil having various applications by separating inorganics therefrom. The method is advantageous in terms of minimizing air pollution because of utilizing a closed system, drastically reduced washing time of crude oil storage tank, and continuous removal of the sludge. Additionally, the recovered oil can be provided as fuel oil, marine oil or a feed for secondary treatment processes, such as up-grading processes of heavy oil.Type: GrantFiled: September 24, 2001Date of Patent: January 6, 2004Assignee: SK CorporationInventors: Myung-Jun Kim, Dae-Seog Yoon, Chang-Hyo Choi, June-Tae Choi, Jong-Won Kwak, Sung-Kil Park
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Patent number: 6666217Abstract: A cleaning composition containing a gemini surfactant corresponding to formula I: R—CHOH—CH2—[OCH2CH2]x—O—CH2—CHOH—R (I) wherein R is a linear or branched alkyl and/or alkenyl radical having from about 4 to 22 carbon atoms, and x is a number from about 5 to 90.Type: GrantFiled: May 3, 2002Date of Patent: December 23, 2003Assignee: Cognis Deutschland GmbH & Co. KGInventors: Michael Elsner, Manfred Weuthen, Hans-Christian Raths
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Patent number: 6662813Abstract: Acidic and basic cleaning compositions using toxicologically-acceptable ingredients for cleaning fruits and vegetables are provided. Clear liquid formulations comprising oleate, alcohol ethoxylates and buffers are sprayed onto apples, lettuce and the like to remove soil and unwanted deposits.Type: GrantFiled: January 8, 1996Date of Patent: December 16, 2003Assignee: The Procter & Gamble CompanyInventors: Bruce Prentiss Murch, Brian Joseph Roselle, Kyle David Jones
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Patent number: 6656896Abstract: A stripping composition suitable for stripping external organic coatings, such as exterior waterproof coatings and thin films, contains (a): (A) at least one dibasic ester, e.g. aliphatic esters, (B) at least one dipolar aprotic solvent, e.g. dimethyl sulfoxide, (C) at least one cosolvent, e.g. anisole and (D) a combination of softening agents, e.g. a mixture of ethyl lactate, trimethylcyclohexanone, cyclohexyl acetate, diethanolamine, a dimethoxybenzene, and water.Type: GrantFiled: March 30, 2001Date of Patent: December 2, 2003Assignees: Atofina, Licef S.A.Inventors: Jean-Pierre Lallier, Christian Galea
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Patent number: 6652667Abstract: Disclosed are methods for removing engine deposits in a gasoline internal combustion engine by introducing a cleaning composition into an air-intake manifold of a warmed-up and idling gasoline internal combustion engine and running the engine while the cleaning composition is being introduced. One such cleaning composition suitable for these methods comprises (a) a phenoxy mono- or poly(oxyalkylene) alcohol; (b) at least one solvent selected from (1) an alkoxy mono- or poly(oxyalkylene) alcohol and (2) an aliphatic or aromatic organic solvent; and (c) at least one nitrogen-containing detergent additive.Type: GrantFiled: January 23, 2002Date of Patent: November 25, 2003Assignee: Chevron Oronite Company LLCInventors: Majid R. Ahmadi, Damon C. Vaudrin
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Patent number: 6653265Abstract: The present invention provides a removable marking system that includes a removable paint formulation and an aqueous removal formulation, and a method of using this removable marking system.Type: GrantFiled: June 19, 2002Date of Patent: November 25, 2003Assignee: Cornell Research Foundation, Inc.Inventors: Frank S. Rossi, Eva Gussack
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Publication number: 20030213747Abstract: Environmentally friendly solvents used to dissolve or remove residues and/or substances from substrates wherein the residue and/or substance is contacted with a Generally Recognized As Safe solvent to dissolve the residue and/or substance in the solvent followed by the extraction of the residue and/or substance from the solvent such as by contact wiht carbon dioxide.Type: ApplicationFiled: February 25, 2003Publication date: November 20, 2003Inventors: Ruben G. Carbonell, Peter Kilpatrick, Nael Zaki
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Publication number: 20030213503Abstract: Methods of improving tableware cleaning, sanitizing and stain removal using an automatic dishwashing appliance containing an electrochemical cell and/or electrolytic device. The methods comprise steps for generating electrolyzed water by intermittently activating and/or intermittently deactivating the cell so as to sequentially provide a bleaching species at specific times during the wash and/or rinse cycle. Said methods include a signal-sensing system capable of detecting a composition comprising a signal-providing agent, methods of using said compositions, and articles of manufacture.Type: ApplicationFiled: August 16, 2002Publication date: November 20, 2003Applicant: The Procter & Gamble CompanyInventors: Kenneth Nathan Price, William Michael Scheper, Mario Elmen Tremblay, Paul Joseph Drzewiecki
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Publication number: 20030205525Abstract: A method of extracting oil-soluble contaminants from soils, sediments, or porous solids is disclosed. In one embodiment, the method comprises the steps of immersing the solid in a fluid comprising a water phase and an oil phase, mixing the phases and allowing the phases to separate, wherein the contaminants are thereby concentrated in the oil phase.Type: ApplicationFiled: April 14, 2003Publication date: November 6, 2003Inventor: Blaine F. Severin