Plural Inhibitor Or Stabilizer Components Patents (Class 510/266)
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Patent number: 8361237Abstract: The present invention is a formulation for wet clean removal of post etch and ash residue from a semiconductor substrate having a CoWP feature, comprising; Deionized water; Organic acid; Amine and/or quaternary ammonium hydroxide; wherein the formulation is compatible with the CoWP feature and either (a) the molar ratio of amine and/or quaternary ammonium hydroxide to organic acid provides a pH in the range of 7-14; or (b) the formulation includes a corrosion inhibitor. A method of using the formulation is also described.Type: GrantFiled: November 24, 2009Date of Patent: January 29, 2013Assignee: Air Products and Chemicals, Inc.Inventors: Aiping Wu, Madhukar Bhaskara Rao, Eugene C. Baryschpolec
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Patent number: 7825078Abstract: Back end photoresist strippers and residue compositions are provided by non-aqueous compositions that are essentially non-corrosive toward copper as well as aluminum and that comprise a polar organic solvent, a hydroxylated amine, and as a corrosion inhibitor fructose.Type: GrantFiled: February 1, 2005Date of Patent: November 2, 2010Assignee: Mallinckrodt Baker, Inc.Inventor: Seiji Inaoka
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Patent number: 7731803Abstract: The present invention is directed to a composition, and a process employing same, for descaling, cleaning and inhibiting the corrosion of process equipment made of steel by including an inhibitory effective amount of acridine orange in the composition.Type: GrantFiled: November 14, 2003Date of Patent: June 8, 2010Assignee: Saudi Arabian Oil CompanyInventor: Abdulghani Jaralla
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Patent number: 7459419Abstract: A single step rub-on, rub-off combination cleaning and waxing CD and DVD restoration method and composition particularly suited for repairing damaged and dirty reflective coatings.Type: GrantFiled: December 15, 2005Date of Patent: December 2, 2008Inventor: Leslie C. Anderson
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Patent number: 6524396Abstract: A process for metal cutting using a water-mixed cutting compound and subsequent cleansing and corrosion protective treatment wherein an oil in water emulsion is used as a cutting compound which contains; (I) an amount emulsifier system consisting of: (a) ethyoxylates/propoxylates of fatty alcohols having 8 to 18 carbon atoms in the alcohol, which contains 2 to 6 ethylene oxide units and 4 to 8 propylene oxide units; (b) fatty alcohols and/or fatty alcohols propoxylates having 12 to 24 carbon atoms in the alcohol and 0 to 3 propylene oxide units and/or distillation residues of such fatty alcohols; In a ratio by weight, a:b=1:0.2 to 0.2:1; and (ii) corrosion inhibitory; and an aqueous solution or suspension is used for cleansing an anti-corrosion treatment which contains the same emulsifier system and the corrosion inhibitors as the cutting compound.Type: GrantFiled: April 11, 2001Date of Patent: February 25, 2003Assignee: Henkel Kommanditgesellschaft aut AktienInventors: Juergen Geke, Hans-Peter Oelscher, Anders Johansson
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Publication number: 20020193269Abstract: The present invention relates to compounds with protected hydroxy groups of formula (I) 1Type: ApplicationFiled: June 12, 2002Publication date: December 19, 2002Applicant: Givaudan SA, a Switzerland corporationInventors: Denise Anderson, Georg Frater, Frank Kumli
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Patent number: 6402857Abstract: The invention provides a solvent mixture including n-propyl bromide, a mixture of low boiling solvents and, preferably, a defluxing and/or ionics removing additive and/or at least one saturated terpene. The invention also provides a method of cleaning an article (e.g., an electrical, plastic, or metal part) in a vapor degreaser using the solvent mixture. The solvent mixture of the invention is non-flammable, non-corrosive, and non-hazardous. In addition, it has a high solvency and a very low ozone depletion potential. Thus, using the solvent mixture of the invention, oil, grease, rosin flux, and other organic material can be readily removed from the article of interest in an environmentally safe manner.Type: GrantFiled: November 29, 2000Date of Patent: June 11, 2002Assignee: Lawrence Industries, Inc.Inventors: Lawrence A. Clark, James L. Priest
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Patent number: 6367486Abstract: An ethylenediaminetetraacetic acid or a mono-, di-, tri- or tetraammonium salt thereof residue cleaning composition removes photoresist and other residue from integrated circuit substrates. The balance of the composition is desirably made up of water, preferably high purity deionized water, or another suitable polar solvent. A process for removing photoresist or other residue from a substrate, such as an integrated circuit semiconductor wafer including titanium metallurgy, comprises contacting the substrate with the composition for a time and at a temperature sufficient to remove the photoresist or other residue from the substrate. Use of the ethylenediaminetetraacetic acid or a mono-, di-, tri- or tetraammonium salt thereof in the composition and process provides superior residue removal without attacking titanium or other metallurgy, oxide or nitride layers on the substrate.Type: GrantFiled: August 10, 2000Date of Patent: April 9, 2002Assignee: EKC Technology, Inc.Inventors: Wai Mun Lee, Zhefei Jessie Chen
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Patent number: 6350395Abstract: A stabilizer composition comprising a) an N-alkyl morpholine and b) a straight-chain or cyclic aliphatic amine containing no hetroatoms other than N with a boiling point of at least 150° C. The stabilizer composition is useful for stabilizing a halogenated hydrocarbon against degradation.Type: GrantFiled: June 16, 2000Date of Patent: February 26, 2002Assignee: The Dow Chemical CompanyInventor: Marius Kuemin
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Patent number: 6176942Abstract: The invention provides a solvent mixture including n-propyl bromide, a mixture of low boiling solvents and, preferably, a defluxing and/or ionics removing additive and/or at least one saturated terpene. The invention also provides a method of cleaning an article (e.g., an electrical, plastic, or metal part) in a vapor degreaser using the solvent mixture. The solvent mixture of the invention is non-flammable, non-corrosive, and non-hazardous. In addition, it has a high solvency and a very low ozone depletion potential. Thus, using the solvent mixture of the invention, oil, grease, rosin flux, and other organic material can be readily removed from the article of interest in an environmentally safe manner.Type: GrantFiled: August 16, 1999Date of Patent: January 23, 2001Assignee: Lawrence Industries, IncInventors: Lawrence A. Clark, James L. Priest
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Patent number: 6010997Abstract: The invention relates to novel compositions of 1-bromopropane, nitromethane or acetonitrile and at least one alcohol selected from the group consisting of ethanol, 2-propanol and 2-methyl-2-propanol and more particularly to azeotrope-like compositions based on these compounds which are useful as solvents in refrigeration flushing, oxygen system cleaning and vapor degreasing applications.Type: GrantFiled: June 25, 1998Date of Patent: January 4, 2000Assignee: Alliedsignal Inc.Inventors: Alagappan Thenappan, Leonard Michael Stachura, Martin Richard Paonessa, Kane David Cook
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Patent number: 5938859Abstract: The invention provides a solvent mixture including n-propyl bromide, a mixture of low boiling solvents and, preferably, a defluxing and/or ionics removing additive and/or at least one saturated terpene. The invention also provides a method of cleaning an article (e.g., an electrical, plastic, or metal part) in a vapor degreaser using the solvent mixture. The solvent mixture of the invention is non-flammable, non-corrosive, and non-hazardous. In addition, it has a high solvency and a very low ozone depletion potential. Thus, using the solvent mixture of the invention, oil, grease, rosin flux, and other organic material can be readily removed from the article of interest in an environmentally safe manner.Type: GrantFiled: November 10, 1997Date of Patent: August 17, 1999Assignee: Lawrence Industries, Inc.Inventors: Lawrence A. Clark, James L. Priest
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Patent number: 5902415Abstract: An alkali metal cleaning composition for cleaning metal and for inhibiting corrosion of metal. The composition is composed of an alkali carbonate salt, a surfactant, and a corrosion inhibitor. A preferred corrosion inhibitor is an alkali metal silicate. Additional metal corrosion inhibitors such as a combination of a triazole compound and an alkali metal borate also can be employed. Such alkali carbonate compositions are readily water soluble and remain in solution over prolonged storage periods.Type: GrantFiled: January 29, 1998Date of Patent: May 11, 1999Assignee: Church & Dwight Co., Inc.Inventors: Steven Dunn, Gale A. Byrnes
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Patent number: 5880078Abstract: The present invention relates to a cleaning composition having utility in eaning aircraft exterior surfaces. The cleaning composition comprises from about 15% to about 40% of a mixture of linear alcohol ethoxylates having a HLB in the range of about 5.0 to about 15.0, from about 5% to about 25% capric diethanolamide, and the balance water. The mixture of linear alcohol ethoxylates comprises from about 5% to about 15% of a first linear alcohol ethoxylate having a HLB in the range of about 5.0 to 9.5 and from about 10% to about 25% of a second linear alcohol ethoxylate having a HLB in the range of about 10 to 15. The cleaning composition also includes from about 0.1% to about 5% of capryloamphopropionate, from about 0.1% to about 5.0% benzotriazole, from about 0.1% to about 5.0% of an inhibitor for reducing corrosion of magnesium parts, and from about 0.1% to about 5.0% of an inhibitor for reducing corrosion of cadmium plated steel parts.Type: GrantFiled: September 4, 1997Date of Patent: March 9, 1999Assignee: The United States of America as represented by the Secretary of the NavyInventors: Philip Bevilacqua, Jr., Kenneth G. Clark, David L. Gauntt
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Patent number: 5876623Abstract: A biodegradable anti-scalant for steam generators, boilers and other heat transfer equipment is provided. Anti-scalants prepared in accordance with the present invention include aspartic acid, poly(aspartic acid) and copolymers of aspartic acid and functionalized aspartic acid. Anti-scalants provided in accordance with the present invention are biodegradable and therefore more environmentally friendly than currently available anti-scalant for use with hard water. Methods and use of making anti-scalants are also provided.Type: GrantFiled: September 20, 1996Date of Patent: March 2, 1999Assignee: Nalco Chemical CompanyInventors: Jiansheng Tang, Donald E. Govoni
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Patent number: 5824162Abstract: The present invention provides a solvent mixture comprising n-propyl bromide, a mixture of terpenes and a mixture of low boiling solvents, and a method for cleaning an article (e.g., an electrical, plastic, and metal parts) in a vapor degreaser using the solvent mixture. The solvent mixture of the present invention is non-flammable, non-corrosive and non-hazardous. In addition, it has a high solvency and a very low ozone depleting potential. Thus, using the solvent mixture of the present invention, oil, grease, rosin flux and other organic material can be readily removed from the article of interest in an environmentally safe manner.Type: GrantFiled: March 28, 1997Date of Patent: October 20, 1998Assignee: Lawrence Industries, Inc.Inventor: Lawrence A. Clark
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Patent number: 5801136Abstract: A stabilized, environmentally-safe solvent mixture and method for using the mixture are provided. The solvent mixture has an ozone depletion factor of less than 0.08. The mixture includes about 80-96.8%, by volume, chlorobromomethane and about 3.2-20.0%, by volume, of a mixture of stabilizers. The mixture of stabilizers includes nitromethane, 1,2-butylene oxide, and 1,3-dioxolane. The mixture of stabilizer inhibits the decomposition of chlorobromomethane. The solvent mixture is particularly effective for cleaning articles having hydrocarbon-soluble contaminants, especially in a vapor degreaser.Type: GrantFiled: February 9, 1996Date of Patent: September 1, 1998Assignee: Advanced Chemical Design, Inc.Inventor: Richard G. Henry
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Patent number: 5747439Abstract: An alkali metal cleaning composition for cleaning metal and for inhibiting corrosion of metal. The composition is composed of an alkali carbonate salt, a surfactant, and a corrosion inhibitor. A preferred corrosion inhibitor is an alkali metal silicate. Additional metal corrosion inhibitors such as a combination of a triazole compound and an alkali metal borate also can be employed. Such alkali carbonate compositions are readily water soluble and remain in solution over prolonged storage periods.Type: GrantFiled: April 2, 1996Date of Patent: May 5, 1998Assignee: Church & Dwight Co, Inc.Inventors: Steven Dunn, Gale A. Byrnes
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Patent number: 5739090Abstract: The invention relates to a composition based on stabilized methylene chloride composed essentially of at least one 1,2-epoxyalkane and of at least one acetal, and no nitroalkane.The composition according to the invention can be used for degreasing, cleaning and/or drying metal components.Type: GrantFiled: January 11, 1996Date of Patent: April 14, 1998Assignee: Elf Atochem S.A.Inventor: Pascal Michaud
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Patent number: 5712236Abstract: A metal cleaning composition useful in an aqueous solution comprises an alkali metal salt and a corrosion inhibitor. The corrosion inhibitor is provided in the form of zinc phosphate compounds such as zinc orthophosphate.Type: GrantFiled: August 2, 1995Date of Patent: January 27, 1998Assignee: Church & Dwight Co., Inc.Inventors: Steven A. Bolkan, Steve Dunn, Gale Byrnes
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Patent number: 5616549Abstract: The present invention provides a solvent mixture comprising n-Propyl bromide, a mixture of terpenes and a mixture of low boiling solvents, and a method for cleaning an article (e.g., an electrical, plastic, and metal parts) in a vapor degreaser using the solvent mixture. The solvent mixture of the present invention is non-flammable, noncorrosive and non-hazardous. In addition, it has a high solvency and a very low ozone depleting potential. Thus, using the solvent mixture of the present invention, oil, grease, rosin flux and other organic material can be readily removed from the article of interest in an environmentally safe manner.Type: GrantFiled: December 29, 1995Date of Patent: April 1, 1997Inventor: Lawrence A. Clark
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Patent number: 5531934Abstract: The present invention provides a method of inhibiting corrosion of ferrous metals in aqueous systems. The corrosion is inhibited by adding an effective amount of one or more poly(amino acids) to the aqueous system. Aqueous systems include for example water treatment systems and equipment used for detergent applications. The poly(amino acids) comprise a reaction product of at least one compound selected from amino acids, amic acids, ammonium salts of monoethylenically unsaturated dicarboxylic acids, ammonium salts of hydroxypolycarboxylic acids and combinations thereof.In one embodiment the poly(amino acids) are added to detergent solutions to inhibit corrosion in equipment for detergent applications. In another embodiment, corrosion inhibitors comprising one or more homopolymers of amino acids and one or more pyrophosphates are added to aqueous systems to inhibit corrosion.Type: GrantFiled: September 12, 1994Date of Patent: July 2, 1996Assignee: Rohm & Haas CompanyInventors: Michael B. Freeman, William M. Hann, Yi H. Paik, Graham Swift