With Carboxylic Acid Or Phenolic Component, Or Salt Thereof (e.g., Carbolic Acid, Metal Phenolate, Etc.) Patents (Class 510/210)
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Patent number: 8865636Abstract: An environmental safety paint stripping composition comprising dichloroethylene, aromatic alcohols and ethers, surfactants, corrosion inhibitors, thickeners, wax solvents and water. This paint stripping composition is particularly useful in stripping paint and other polymeric coatings from metal substrates such as aluminum and it alloys.Type: GrantFiled: January 18, 2013Date of Patent: October 21, 2014Assignee: The United States of America as represented by the Secretary of the NavyInventors: Young Han, Dane Hanson
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Patent number: 8361948Abstract: A paint stripper composition includes from about 70 to about 76 percent by volume of methylene chloride, from about 10 to about 14 percent by volume of isopropanol, from about 5 to about 8 percent by volume of formic acid, from about 1.5 to about 2.5 percent by volume of OP-10, from about 1 to about 2.5 percent by volume of phenol, and from about 2 to about 4 percent by volume of ozocerite, based upon 100 percent by volume of the total composition.Type: GrantFiled: August 8, 2011Date of Patent: January 29, 2013Assignees: Furui Precise Component (Kunshan) Co., Ltd., Foxconn Technology Co., Ltd.Inventors: Chang-De Li, Huang-Jin Lv, Sheng-Liang Dai
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Publication number: 20120316096Abstract: A paint stripper composition includes from about 70 to about 76 percent by volume of methylene chloride, from about 10 to about 14 percent by volume of isopropanol, from about 5 to about 8 percent by volume of formic acid, from about 1.5 to about 2.5 percent by volume of OP-10, from about 1 to about 2.5 percent by volume of phenol, and from about 2 to about 4 percent by volume of ozocerite, based upon 100 percent by volume of the total composition.Type: ApplicationFiled: August 8, 2011Publication date: December 13, 2012Applicants: FOXCONN TECHNOLOGY CO., LTD., FURUI PRECISE COMPONENT (KUNSHAN) CO., LTD.Inventors: CHANG-DE LI, HUANG-JIN LV, SHENG-LIANG DAI
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Patent number: 7923425Abstract: Low-foaming industrial cleaning compositions comprising water; (A) at least one carboxylic acid; (B) one or more aromatic, water soluble or dispersible, non-ionic surfactants; and optionally, one or more of the following: (C) one or more salts of carboxylic acids selected from the group consisting of carboxylic acids that are the same as component (A), different from component (A) and mixtures thereof; and (D) an amount of hydrotrope material sufficient to produce a stable homogeneous solution or dispersion of components (A) through (C) in water; (E) a pH adjuster; (F) one or more polyhydric alcohols; and (G) one or more preservatives.Type: GrantFiled: August 21, 2007Date of Patent: April 12, 2011Assignee: Henkel AG & Co. KGaAInventor: Theodore D. Held
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Patent number: 7828885Abstract: Anti-microbial compositions, polymers and paints having incorporated therein at least one phenolic complex. Preferably a chloroxylenol complex is utilized for topical treatment of a patient with a bacterial or viral skin infection.Type: GrantFiled: January 17, 2008Date of Patent: November 9, 2010Assignee: World-Pharm TrustInventor: John Lezdey
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Patent number: 7754104Abstract: A solvent composition of about 90 to about 10 percent by weight C1-C4 lactate ester and about 10 to about 90 percent by weight C2-C6 aliphatic alcohol with low odor and enhanced performance properties is disclosed. This composition can also be mixed with other solvents and continue to provide the low odor and enhanced performance properties.Type: GrantFiled: July 23, 2007Date of Patent: July 13, 2010Assignee: Vertec Biosolvent, Inc.Inventors: Rathin Datta, James E. Opre
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Patent number: 7737099Abstract: Environmentally safe, cost effective, VOC-free compositions and methods for the prevention and treatment of corrosive processes in and on metal such as rust, flash rust and scale in a wide variety of industry sectors is provided. Compositions particularly well suited for preventing and treating flash rust may include an organic acid or salt thereof, a natural gum and/or wax and/or wax extract, and water. Such compositions do not substantially affect the adhesive quality of coatings subsequently applied to the metal surface and provide excellent solvent and spray resistance.Type: GrantFiled: March 6, 2006Date of Patent: June 15, 2010Assignee: Transfer Technologies International CorporationInventors: LeeAnn Applewhite, Mairym Samra, John P. Komar
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Patent number: 7737100Abstract: Environmentally safe, cost effective, VOC-free compositions and methods for the prevention and treatment of corrosive processes in and on metal such as rust, flash rust and scale in a wide variety of industry sectors is provided. Compositions particularly well-suited for the long term prevention of rust and other corrosive processes may include an organic acid or salt thereof, a natural gum and/or wax and/or extracts or derivatives thereof, a gelling agent, and water.Type: GrantFiled: March 6, 2006Date of Patent: June 15, 2010Assignee: Transfer Technologies International CorporationInventors: LeeAnn Applewhite, Mairym Samra, John P. Komar
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Patent number: 7094742Abstract: A hard surface cleaning solution having improved cleaning and descaling properties. In one formulation, the cleaning solution comprises a first organic acid, a second organic acid, a surfactant, a solvent and a diluent. The first organic acid is a carboxylic acid preferably comprising lactic acid, while the second organic acid is a carboxylic acid preferably comprising gluconic acid. The surfactant is selected from the group consisting of sultaines, betaines and amino propionates. The solvent is a an alkoxylated alcohol preferably selected from the propylene glycol ether class of compounds. In a second formulation, the cleaning solution comprises a first organic acid, a surfactant, a solvent and a diluent. The first organic acid is a carboxylic acid preferably comprising lactic acid, while the surfactant is selected from the group consisting of sultaines, betaines and amino propionates and the solvent is a an alkoxylated alcohol preferably selected from the propylene glycol ether class of compounds.Type: GrantFiled: April 23, 2004Date of Patent: August 22, 2006Assignee: Jelmar, LLCInventor: Rosemary A. Gaudreault
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Patent number: 7008910Abstract: An aqueous non-toxic biorational or environmentally safe composition to reduce or inhibit corrosion, rust and scale on metal surfaces comprising effective amounts of sorbic acid, salts of sorbic acid and/or derivatives thereof and a variety of hydrocarbons, esters, acids, alcohols and/or saponified fatty acids or combinations thereof derived from beeswax, vegetable waxes and/or derivatives thereof.Type: GrantFiled: March 30, 2004Date of Patent: March 7, 2006Inventor: John P. Komar
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Patent number: 6824623Abstract: A terpene-free cleaning composition containing: (a) an oil-soluble anionic surfactant; (b) a water-soluble anionic surfactant; (c) a primary solvent consisting of a C1-4 alkyl ester; (d) a short-chain cosurfactant; and (e) water.Type: GrantFiled: August 22, 2000Date of Patent: November 30, 2004Assignee: Cognis CorporationInventors: Stephen F. Gross, Martin J. Barabash, J. Frederick Hessel
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Patent number: 6783919Abstract: The invention relates to a TFT-LCD high-performance stripper composition for a photoresist, and more particularly to a stripper composition for a photoresist comprising: 20-60 wt % of monoethanolamine, 15-50 wt % of N,N-dimethylacetamide, 15-50 wt % of carbitol, and 0.1-10 wt % of gallic acid. The invention also provides a stripper composition for a photoresist comprising: 20-60 wt % of monoethanolamine, 15-50 wt % of N,N-dimethylacetamide, and 15-50 wt % of carbitol. The stripper composition for a photoresist of the invention significantly reduces stripping time when applied to the TFT-LCD manufacturing process and leaves no impurity particles. By allowing the hard baking and ashing processes to be omitted, the gate process line can be simplified, which enables cost reduction. In addition, when it is applied to a process wherein silver (Ag) is used as reflective/transflective layer, it offers stripping ability and corrosion resistance of the pure Ag layer.Type: GrantFiled: November 21, 2002Date of Patent: August 31, 2004Assignee: Samsung Electronics Co., Ltd.Inventors: Hong-Sik Park, Sung-Chul Kang, Hong-Je Cho, An-Na Park
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Patent number: 6673757Abstract: Particulate and metal ion contamination is removed from a surface, such as a semiconductor wafer containing copper damascene or dual damascene features, employing aqueous composition comprising a fluoride containing compound; a dicarboxylic acid and/or salt thereof; and a hydroxycarboxylic acid and/or salt thereof.Type: GrantFiled: March 22, 2000Date of Patent: January 6, 2004Assignee: Ashland Inc.Inventor: Emil Anton Kneer
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Publication number: 20030224958Abstract: Methods and solutions for cleaning a polished aluminum-containing layer, and the structures formed by these methods. The method for cleaning the polished aluminum-containing layer is practiced by contacting a polished aluminum-containing layer with a solution comprising water and a corrosion-inhibiting agent. In these methods and solutions, the water may be deionized water, the corrosion-inhibiting agent may be citric acid or one of its salts, and the solution may contain additional additives, such as chelating agents, buffers, oxidants, antioxidants, and surfactants. These methods and solutions reduce the corrosion caused by DI water used in cleaning polished aluminum-containing layers and maintain a passivative environment which protects the exposed aluminum structures.Type: ApplicationFiled: May 29, 2002Publication date: December 4, 2003Inventor: Michael T. Andreas
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Patent number: 6635608Abstract: The invention relates to plaster type interior textured coating remover composition in the form of an aqueous solution containing at least one alkoxy ether solvent, an alcohol containing from 1 to 6 carbon atoms, at least one nitrogen containing compound, and a compound having an HLB of from 7.3 to 15.0.Type: GrantFiled: December 10, 1999Date of Patent: October 21, 2003Inventor: Ithiel Mogridge
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Patent number: 6630434Abstract: A low viscosity aqueous cleaning composition provides increasing viscosity upon dilution which provides a high viscosity diluted cleaning composition having solvents compatible with the rod micelle thickener and the cleaning system that clings for an extended period of time in a thickened form containing cleaning system ingredients that can penetrate and remove hard baked-on soils on vertical surfaces in cleaning units. The composition contains active cleaning ingredients (acid, alkaline and enzyme) that, in combination with thickening systems, provide the useful properties. The thickened materials can be applied on cold or hot surfaces and can successfully penetrate, soften and remove baked-on food soil on a variety of surfaces including oven walls, doors and grills, baking dishes, utensils, etc.Type: GrantFiled: May 21, 2001Date of Patent: October 7, 2003Assignee: Ecolab Inc.Inventors: Michael E. Besse, Richard O. Ruhr, Gerald K. Wichmann, Timothy A. Gutzmann
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Patent number: 6562296Abstract: The present invention relates to the use of a cleaning composition concentrate in particular for the mechanical cleaning of medical and/or surgical instruments and/or apparatuses and to a process for carrying out this cleaning.Type: GrantFiled: April 5, 2000Date of Patent: May 13, 2003Assignee: Chemische Fabrik Dr. Weigert GmbH & Co. KGInventors: Petra Tiarks, Jürgen Staffeldt
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Patent number: 6417149Abstract: A paint stripping composition comprising methyl benzoate and formic acid, as well as a method for using the foregoing composition in stripping paint from a substrate, are disclosed. The paint stripping composition may optionally also comprise thickeners, surfactants, and corrosion inhibitors. The composition and method are useful in stripping a variety of paints and similar organic coatings from both metallic and non-metallic substrates. Most preferably, the paint stripping composition does not comprise n-methyl-2-pyrrolidone.Type: GrantFiled: September 7, 2001Date of Patent: July 9, 2002Inventor: Gerald Wojcik
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Patent number: 6372050Abstract: A non-corrosive photoresist stripping and cleaning composition, comprising: (a) about 5% to about 50% of a solvent; (b) about 10% to about 90% of an alkanolamine; (c) about 0.1 to 10% of a carboxylic acid; and (d) about 1.0% to 40% of water.Type: GrantFiled: June 7, 2001Date of Patent: April 16, 2002Assignee: Arch Specialty Chemicals, Inc.Inventors: Kenji Honda, Richard Mark Molin, Gale Lynne Hansen
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Publication number: 20020035050Abstract: This invention provides an improved composition and process for pretreatment of aluminum prior to electroplating. The invention is an aqueous composition comprised of an acid, an oxidizing agent, and, optionally, a halogenated compound.Type: ApplicationFiled: January 30, 2001Publication date: March 21, 2002Inventors: Maulik Dhanesh Mehta, Paul Andrew Butkovsky
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Patent number: 6358901Abstract: The invention concerns a composition for stripping coatings for example of paints. Said composition comprises at least an aromatic ether containing an alkoxy group with at least two carbon atoms and at least an aprotic polar solvent.Type: GrantFiled: July 19, 2000Date of Patent: March 19, 2002Assignee: Rhodia ChimieInventors: Jean-Luc Joye, Jean-Claude Galliot
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Patent number: 6303552Abstract: The present invention is directed to an aerosol composition comprising (A) a paint stripper composition comprising (i) from about 20 to about 50% by weight of an aromatic alcohol, such as benzyl alcohol, (ii) from about 5 to about 50% by weight of an accelerator, (iii) from about 0.5 to about 5.0% by weight of water, based upon 100% weight of total paint stripper composition; and (B) a propellant. A method of preparing the aerosol composition is also provided.Type: GrantFiled: August 4, 1999Date of Patent: October 16, 2001Assignee: Napier International Technologies, Inc.Inventor: Sergio Vitomir
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Patent number: 6268323Abstract: A non-corrosive photoresist stripping and cleaning composition, comprising: (a) about 5% to about 50% of a solvent; (b) about 10% to about 90% of an alkanolamine; (c) about 0.1 to 10 % of a carboxylic acid; and (d) about 1.0% to 40% of water.Type: GrantFiled: August 18, 1998Date of Patent: July 31, 2001Assignee: Arch Specialty Chemicals, Inc.Inventors: Kenji Honda, Richard Mark Molin, Gale Lynne Hansen
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Patent number: 6191086Abstract: Non-corrosive cleaning compositions that are aqueous based and useful for removing photoresist, plasma etch and CMP residues from a substrate. One preferred cleaning composition comprises: (i) a hydroxylamine or a hydroxylamine salt compound; (ii) at least one fluorine-containing compound; and (iii) water. Another cleaning composition comprises: (i) a compound selected from the group consisting of: an amine, a quatenary ammonium hydroxide, and ammonium hydroxide; (ii) at least one fluorine-containing compound; and (iii) water.Type: GrantFiled: December 15, 1999Date of Patent: February 20, 2001Assignee: Arch Specialty Chemicals, Inc.Inventors: Vincent G. Leon, Kenji Honda, Eugene F. Rothgery
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Patent number: 6165957Abstract: A method of preparing an environmentally safe composition free of chlorinated solvents which is non-flammable, fully biodegradable, and low odor and the use of such composition for the removal of various coatings from metal substrates. The composition comprises a water-based mixture of one or more high boiling, high flash aromatic solvents (benzyl alcohol, benzyl ether, 1-phenoxy-2-propanol), a peroxide generating agent (hydrogen peroxide), and a hydroxycarboxylic acid (glycolic acid). It can be prepared as a liquid and used as such for immersion/dipping operations or as a thick paste "cling-type" material when optimal application requires a thin film. These can be applied by spraying or brushing.Type: GrantFiled: June 21, 1999Date of Patent: December 26, 2000Assignee: Napier International Technologies Inc.Inventor: Sergio Vitomir
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Patent number: 6130192Abstract: The present invention is directed to a composition comprising (a) an aromatic alcohol, such as benzyl alcohol; (b) an oxo-(C.sub.6 -C.sub.13 alkyl) acetate; and (c) dimethyl sulfoxide. A method for removing paint or a coating from a substrate by applying a paint stripper composition comprising an oxo-(C.sub.6 -C.sub.13 alkyl) acetate to the substrate is also provided. Another embodiment of the invention is a method for cleaning a substrate by applying the composition of the present invention to the substrate.Type: GrantFiled: August 4, 1999Date of Patent: October 10, 2000Assignee: Napier International Technologies, Inc.Inventor: Sergio Vitomir
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Patent number: 6040285Abstract: This composition for stripping paints, varnishes or lacquers coating a substrate is characterized in that it consists of or comprises:(A) 1 to 100 parts by weight of a mixture (A1) of at least one aromatic solvent chosen from benzaldehyde, toluene, xylene and anisole and (A2) of benzoic acid;(B) 99 to 0 parts by weight of water;(A)+(B) representing in total 100 parts by weight.In particular, (A) consists of a commercial benzaldehyde which contains benzoic acid.Type: GrantFiled: December 8, 1997Date of Patent: March 21, 2000Assignee: Elf Atochem, S.A.Inventors: Jean-Pierre Lallier, Patrick Marie, Jean-Marie Aubry, Marie-Jose Marti, Valerie Del Nero
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Patent number: 6030932Abstract: Non-corrosive cleaning compositions that are aqueous based and useful for removing photoresist, plasma etch and CMP residues from a substrate. One preferred cleaning composition comprises: (i) a hydroxylamine or a hydroxylamine salt compound;(ii) at least one fluorine-containing compound; and (iii) water. Another cleaning composition comprises: (i) a compound selected from the group consisting of: an amine, a quatenary ammonium hydroxide, and ammonium hydroxide; (ii) at least one fluorine-containing compound; and (iii) water.Type: GrantFiled: May 19, 1998Date of Patent: February 29, 2000Assignee: Olin Microelectronic ChemicalsInventors: Vincent G. Leon, Kenji Honda, Eugene F. Rothgery
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Patent number: 5977054Abstract: Disclosed are mildly acidic liquid compositions for use in cleaning hard surfaces. The compositions contain from about 1% to about 60% of an amine oxide detergent surfactant, an aqueous carrier liquid, and an acidifying agent having a pK.sub.a of less than about 6.0. The compositions contain enough of the acidifying agent to protonate at least about 10% of the amine oxide species within the compositions and to provide a composition pH of between about 3 and 7. These no-rinse liquid hard surface cleaning compositions have excellent cleaning properties, they do not leave a visible residue when they dry, and they cause minimal or no staining of vinyl surfaces. Also disclosed are a method for cleaning vinyl surfaces using the liquid compositions, and non-liquid compositions from which the mildly acidic liquid compositions can easily be obtained by adding an aqueous liquid.Type: GrantFiled: October 15, 1996Date of Patent: November 2, 1999Assignee: The Procter & Gamble CompanyInventor: Thomas James Wierenga
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Patent number: 5972865Abstract: A purge concentrate for purging paint spraying and other coating equipment has about 20%-60% by weight water; about 10%-40% by weight of an active solvent; about 10%-50% by weight of a co-solvent; about 1-9% by weight of a penetrant; and about 0.2-2.0% by weight wetting agent. It need not be heated to the curing temperature of heat curing paints and thus purges these paints more effectively.Type: GrantFiled: April 30, 1998Date of Patent: October 26, 1999Assignee: Dalco Industries, Ltd.Inventors: Richard E. Knipe, Jr., Savarimuthu M. Jacob, Sheldon Green
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Patent number: 5744438Abstract: Stripping action of an alkaline paint stripper is improved when ammonia is partially or completely replaced with ammonium bicarbonate or chemical equivalent thereof which decomposes into ammonia and carbon dioxide. A benzyl alcohol solvent system containing at least ammonium bicarbonate is preferably a water-in-oil emulsion emulsified with oleic hydroxyethyl imidazoline and thickened with hydroxypropyl cellulose or hydroxypropyl methylcellulose. A mixture of ammonium carbamate and ammonium bicarbonate identified as ammonium carbonate is the preferred activator for this alkaline paint stripper. Improved stripping can also be provided by reacting ammonium bicarbonate and ammonia in situ within the water-in-oil emulsion.Type: GrantFiled: July 26, 1996Date of Patent: April 28, 1998Assignee: Elf Atochem North America, Inc.Inventor: John Distaso
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Patent number: 5728666Abstract: A method for preparing an environmentally safe composition free of chlorinated solvents which is non-flammable, fully biodegradable, and low odor and the use of such composition for the removal of various coatings from metal substrates. The composition comprises a water-based mixture of one or more high boiling, high flash aromatic solvent(s), a peroxide generating agent, and a hydroxycarboxylic acid. It can be prepared as a liquid and used as such for immersion/dipping operations or as a thick paste "cling type" material when optimal application requires a thin film. These can be applied by spraying or brushing.Type: GrantFiled: December 19, 1996Date of Patent: March 17, 1998Assignee: Napier International Technologies, Inc.Inventor: Sergio Vitomir
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Patent number: 5604193Abstract: A composition useful for removing adhesives and enamels from surfaces consists of d-limonene, dibasic acid ester, and N-methyl pyrrolidone.Type: GrantFiled: December 8, 1994Date of Patent: February 18, 1997Assignee: Dotolo Research CorporationInventor: Jack T. Vlasblom