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| Number | Title | Issue Date |
| 7371714 | Chemical agent decontamination composition comprising a perfluorinated alkyl bromide A composition and methods of use for the decontamination of chemical agents, including chemical warfare agents. The decontamination composition is nontoxic, nonflammable and non-corrosive and includes an effective amount of a perfluorinated alkyl bromide or reactive... | 05/13/2008 |
| 7270717 | Compositions and methods for cleaning contaminated articles Disclosed are compositions and methods for cleaning contaminated articles based on the provision of a zeotropic composition comprising (a) at least one flammable solvent having a boiling point at a first pressure; (b) at least one first nonflammable solvent having a... | 09/18/2007 |
| 7229953 | Process for removing a coating from a substrate A process of stripping a coating according to the invention comprises subjecting a coated substrate to an aqueous medium containing a peroxide and an interfacial mixing agent, and to heating preferably by either ultraviolet (UV) and/or infrared (IR) radiation. The s... | 06/12/2007 |
| 7196043 | Process and composition for producing self-cleaning surfaces from aqueous systems A process and a composition are disclosed for producing surfaces that are self-cleaning by water, and in particular, there is disclosed an aqueous system for forming transparent self-cleaning surfaces. In the process, an aqueous mixture comprising (i) nanoparticles ... | 03/27/2007 |
| 7176174 | Water-in-oil emulsion A water-in-oil emulsion composition is disclosed. The composition contains (A) a solvent, (B) water, and (C) a surfactant. This composition is suitable for removing non-aqueous coatings such as paints and the like as well as waxes and greases from substrates. ... | 02/13/2007 |
| 7091163 | Flushing solutions for coatings removal A flushing solution containing: a) a solvent component, b) an alkaline source; and c) a corrosion inhibitor component is provided. The solvent component preferably contains an alkoxylated aromatic alcohol. The corrosion inhibitor component may contain a fatty acid s... | 08/15/2006 |
| 6962628 | Method of treating epoxy resin-cured product A method of treating a composite material of epoxy resin-cured product and inorganic matter to easily recover the resin components in a recyclable state without causing thermal decomposition. A method of separating the inorganic matter. The epoxy resin-cured product... | 11/08/2005 |
| 6956015 | Solvent composition for dissolving plastic A solvent composition for dissolving plastic comprises at least either isopropyl bromide or n-propyl bromide, and at least either nitromethane or nitroethane. The content of the above-mentioned at least either nitromethane or nitroethane is 5 through 50 wt % with re... | 10/18/2005 |
| 6673757 | Process for removing contaminant from a surface and composition useful therefor 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 sa... | 01/06/2004 |
| 6548471 | Alkoxy-substituted perfluorocompounds A process for removing contaminants from the surface of a substrate comprises contacting the substrate with a cleaning composition comprising at least one mono-, di-, or trialkoxy-substituted perfluoroalkane, perfluorocycloalkane, perfluorocycloalkyl-cont... | 04/15/2003 |
| 6509309 | Cleaning composition comprising alkoxy substituted perfluoro compounds A process for removing contaminants from the surface of a substrate comprises contacting the substrate with a cleaning composition comprising at least one mono-, di-, or trialkoxy-substituted perfluoroalkane, perfluorocycloalkane, perfluorocycloalkyl-cont... | 01/21/2003 |
| 6506459 | Coating compositions containing alkoxy substituted perfluoro compounds A process for removing contaminants from the surface of a substrate comprises contacting the substrate with a cleaning composition comprising at least one mono-, di-, or trialkoxy-substituted perfluoroalkane, perfluorocycloalkane, perfluorocycloalkyl-cont... | 01/14/2003 |
| 6423673 | Azeotrope-like compositions and their use The invention provides azeotrope-like compositions consisting essentially of 1,1,1,3,3-pentafluorobutane and a fluorinated ketone, Rf C(O)CF(CF3)2, where Rf is CF3 CF2, CF3 CF | 07/23/2002 |
| 6395700 | Process for the preparation of compounds having -CH2-CHF-groups Compounds each having a --CH2 --CHF-- group and a number of carbon atoms of 4 or above are prepared by hydrogenating a compound having a --CCl.dbd.CF-- group and a number of carbon atoms of 4 or above in the presence of a noble metal catalyst i... | 05/28/2002 |
| 6380149 | Cleaning process and composition A process for removing contaminants from the surface of a substrate comprises contacting the substrate with a cleaning composition comprising at least one mono-, di-, or trialkoxy-substituted perfluoroalkane, perfluorocycloalkane, perfluorocycloalkyl-cont... | 04/30/2002 |
| 6358899 | Cleaning compositions and use thereof containing ammonium hydroxide and fluorosurfactant An aqueous composition comprising ammonium hydroxide in an amount of about 1 to about 30% by weight calculated as NH3 and a surface active agent represented by the formula XF2 C(CFY)n SO3 A wherein X=F, OH or SO... | 03/19/2002 |
| 6191086 | Cleaning composition and method for removing residues 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 leas... | 02/20/2001 |
| 6082380 | Process to remove poly(arylene sulfide) based deposits from an article A process for the removal of poly(arylene sulfide) based deposits from an article by contacting said poly(arylene sulfide) based deposits with a polar aprotic compound, a base, an organosulfur compound having the formula: R1 --S--S--R2 | 07/04/2000 |
| 6030932 | Cleaning composition and method for removing residues 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... | 02/29/2000 |
| 6020298 | Solvent cleaning agents including additives of the formula Rf -CFX-L containing perfluoroalkylenic units Use of solvents capable of removing oily substances without solubilizing them, consisting of hydrofluoropolyethers having the general formula HF2 CO(CF2 O)n (CF2 CF2 O)m CF2 H wherein n an... | 02/01/2000 |
| 5990062 | Low toxicity paint stripper A paint-stripping composition comprises, on a weight basis, at least 20% of a benzyl alcohol, together with 5-30% of methylene chloride, 1-10% of hydrogen peroxide and 10-60% of water. The composition may also include auxiliary ingredients such as thicken... | 11/23/1999 |
| 5972862 | Cleaning liquid for semiconductor devices There is disclosed a cleaning liquid for producing a semiconductor device which comprises (A) fluorine-containing compound; (B) water-soluble or water-miscible organic solvent; and (C) inorganic acid and/or organic acid, optionally, further comprises (D) ... | 10/26/1999 |
| 5858943 | Gel for localized removal of reworkable encapsulant Reworkable encapsulant formulations are being developed to allow recovery of part-good microelectronic assemblies. According to this invention, a gelled form of the solvent is useful for removing the reworkable encapsulant from a specific region of the as... | 01/12/1999 |
| 5763375 | Cleaning agents and cleaning method A cleaning agent characterized in that the agent comprises 0.1 to 4 wt. % of hydrofluoric acid, a surfactant of the following formula (1) in a concentration of 50 to 1500 ppm or a surfactant of the following formula (2) or (3) in a concentration of 50 to ... | 06/09/1998 |
| 5744437 | Single phase liquid composition for cleaning and paint stripping and use thereof Disclosed is a single phase liquid composition comprising 0.5 to 30 wt % of a benzotrifluoride solvent, about 0.5 to about 50 wt % of a glycol ether cosolvent, up to about 50 wt % of an alkanol, up to about 10 wt % of a surfactant, and the remainder water... | 04/28/1998 |
| 5688336 | Method for removal of water soluble polymers A solvent that will remove all types of commercially available water soluble polymers by breaking the covalent bonds within the polymer molecules such that these polymers can then be removed from all surfaces and equipment completely and safely by washing... | 11/18/1997 |
| 5246503 | Aqueous based composition containing organic solvents for removing coatings Composition for removing coatings from surfaces comprising at least one organic solvent, water, at least one thickening agent, and at least one surfactant. The composition contains sufficient water to decrease the evaporation rate of the solvent, and rend... | 09/21/1993 |
| 5244507 | Method of cleaning epoxy articles Disclosed is a method of removing synthetic and natural resins from an article containing an epoxy resin without damaging the epoxy resin. The article is contacted with a solvent having the formula ##STR1## where n is 1 or 2, which dissolves the synt... | 09/14/1993 |
| 5185235 | Remover solution for photoresist The remover solution of the invention comprises (A) from 35 to 80% by weight of an alcoholic solvent such as ethylene glycol monoethyl ether, (B) from 10 to 40% by weight of an organic solvent which is a halogenated hydrocarbon solvent, e.g., 1,2-dichloro... | 02/09/1993 |
| 5167853 | Paint stripper and varnish remover compositions containing organoclay rheological additives, methods for making these compositions and methods for removing paint and other polymeric coatings from flexible and inflexible surfaces The present invention relates to non-toxic, non-flammable, safe compositions employing primarily biodegradable components for use in removing and stripping paint, varnishes and stains from hard and/or flexible surfaces. The compositions generally avoid th... | 12/01/1992 |
| 5116426 | Method of cleaning a substrate using a dichloropentafluoropropane A method for cleaning a surface of a substrate which comprises treating the surface with a dichloro-pentafluoro-propane solvent. The method is specifically directed to the use of 1,1-dichloro-2,2,3,3,3-pentafluoro propane and 1,3-dichloro-1,1,2,2,3-pentaf... | 05/26/1992 |
| 4906304 | Difluorotetrachloroethane mixtures and their use in removing waxes New mixtures comprising difluorotetrachloroethane and petroleum ethers are described for use, inter alia, as solvents, particularly for waxes.... | 03/06/1990 |
| 4904571 | Remover solution for photoresist A remover solution for photoresist comprising (a) a solvent which is typically water, (b) an inorganic or organic alkaline compound such as sodium and potassium hydroxides, and (c) a borohydride compound such as sodium and lithium borohydrides and organic... | 02/27/1990 |
| 4854973 | Low odor carbon and paint remover composition Low odor carbon and paint remover compositions useful in the removal of carbon build-ups and paint coatings and films from surfaces such as those associated with the combustion of fuels are disclosed which consists essentially of from about 45 to about 90... | 08/08/1989 |
| 4832865 | Composition containing non-ionic surfactant A composition comprises: (A) chlorine-containing organic solvent selected from the group consisting of methylchloroform, trichloroethylene, perchlorethylene, and mixtures thereof, and (B) non-ionic surfactant selected from the group consisting of ##S... | 05/23/1989 |
| 4770714 | Solvent mixture containing 2,2,2-trifluoroethanol for use as a cleaning composition Solvent mixtures of 2,2,2,-trifluoroethanol and halogenated hydrocarbons containing 1 to 3 carbon atoms or polyfluorinated aromatic hydrocarbons in a weight ratio of from 1:90 to 99:1, and optional additive alcohols and/or stabilizers, and uses of such mi... | 09/13/1988 |
| 4741784 | Composition and method for removing conformal coatings A composition and method for removing conforming coatings such as polyurethane or epoxy from printed circuit boards is disclosed. The composition comprises separate base and activator components which are mixed to form the coating remover. The base compon... | 05/03/1988 |
| 4734300 | Methods for removing parylene coatings from predetermined, desired areas of a substrate Predetermined desired areas of solvent-insoluble parylene coatings are removed from substrates made of materials such as plastics, metals, composites, or ceramics by contacting the areas to be removed with a substance that causes the parylene coating to l... | 03/29/1988 |
| 4726848 | Chlorinated hydrocarbon protective and/or decorative coating stripping composition and method Described is a composition capable of stripping protective and/or decorative coatings from a substrate comprising: a major amount of a chlorinated hydrocarbon having from one to four carbon atoms; a minor amount of a carboxylic acid accelerator useful for acce... | 02/23/1988 |
| 4715900 | Azeotropic compositions of trichlorotrifluoroethane, dichlorodifluoroethane and methanol/ethanol Azeotropic mixtures of 1,1,2-trichloro-1,2,2-trifluoroethane (FC-113) and 1,2-dichloro-1,1-difluoroethane (FC-132b) with methanol or ethanol, the azeotropic mixtures being useful in solvent cleaning applications.... | 12/29/1987 |
