Abstract: Compositions and methods for cleaning surfaces, such as for removing residues or other coatings from molds and other industrial parts, such compositions comprising, for example, a first solvent comprising a pyrrolidone such as 2-pyrrolidone, 1-(2-hydroxyethyl)-2-pyrrolidone, or mixture thereof; and a second solvent selected from the group consisting of an imidazole (such as 1,2-dimethylimidizole), an alkylene glycol ether (such as ethylene glycol monobutyl ether or diethylene glycol monobutyl ether, a terpene (such as d-limonene), and mixtures thereof. In various embodiments, such methods are for removing residues from molds used in forming polyurethane parts, wherein residues comprise polyurethane, urethane reactants, and mold release agents. The compositions may be substantially free of 1-methyl-2-pyrrolidone and of 1-ethyl-2-pyrrolidone.

Abstract: Provided is a liquid concentrate for cleaning composition which could exhibit excellent environmental safety etc. by adding afterward a predetermined amount of water, and also has excellent regeneration efficiency, and provided are a cleaning composition and a cleaning method thereof. Disclosed is a liquid concentrate for cleaning composition which is used as a mixture with water and is intended for cleaning an object to be cleaned in a clouded state, with a predetermined amount of water having been added thereto, the liquid concentrate for cleaning composition including, a first organic solvent which is a predetermined hydrophobic glycol ether compound or the like, and a second organic solvent which is a predetermined hydrophilic amine compound.

Abstract: An esteramide compound of the following formula (I): R1OOC-A-CONR2R3??(I) is described, wherein: A is a covalent bond or a methylene group —CH2—; R1 is an optionally substituted, saturated or unsaturated aliphatic or cycloaliphatic hydrocarbon group including from 5 to 36 carbon atoms, R2 and R3, either identical or different, are groups selected from a hydrogen atom, and optionally substituted hydrocarbon groups, preferably including from 1 to 36 carbon atoms, and R2 and R3 not being simultaneously hydrogen atoms. Also described, are applications for using the esteramide compound, notably as a solvent.

Abstract: The present invention is concerned with the use of pyrrolidones selected from the group consisting of N-n-butylpyrrolidone, N-isobutylpyrrolidone, N-t-butylpyrrolidone, N-n-pentylpyrrolidone, N-(methyl-substituted butyl)pyrrolidones, ring-methyl-substituted N-propyl and N-butyl pyrrolidones and N-(methoxypropyl) pyrrolidone as replacement solvents in specific applications wherein N-methylpyrrolidone (NMP), N-ethyl-2-pyrrolidone (NEP), N,N-dimethyl acetamide (DMAc), and/or dimethyl formamide (DMF) is the appropriate solvent to be used. The invention is also concerned with a solvent comprising NMP, NEP, DMAc, or DMF and one or more pyrrolidones selected from said group, as well as a solvent comprising a second solvent, which is a replacement solvent for NMP, NEP, DMAc, or DMF and one or more selected from said group.

Abstract: A metal-safe dissolving composition for cured resins, comprising a solvent blend that includes a metal safe solvent mixture with addition of a soluble alkali that exhibits a pKa value ?12. The solvent mixture may include the preferred solvent for metal safety, gamma-butyrolactone (GBL), and the preferred soluble amine, 1,8-diazabicyclo(5.4.0)undec-7-ene (DBU). The solvent, n,n-dimethylacetamide (DMAC) or others, are chosen for high penetration and solvency to polar resins. To this mixture, a surfactant, inhibitor, and cellulose derivative may be added to produce a gel-form property. The product may be used to remove coatings and sealants present on vertical and horizontal surfaces and hard to reach areas commonly encountered when performing maintenance on aviation fuel tanks and similar equipment. Of key importance for the remover is its safety to aluminum and aluminum alloy substrates as demonstrated by modified test methods for sandwich corrosion, for example, ASTM F1110.

Abstract: The present invention is directed to a coating removal composition comprising at least one weak metal binding agent, a solvent system comprising at least one alcohol or ester, and a corrosion inhibition system. A method of removing a coating from an intentionally colored concrete floor is also disclosed. Utilization of the method results in at least 70% retention of colorant component after stripping a coating from an intentionally colored concrete surface, such as a floor.

Abstract: A composition for removing a photoresist, the composition including about 1% by weight to about 10% by weight of tetramethyl ammonium hydroxide (“TMAH”), about 1% by weight to about 10% by weight of an alkanol amine, about 50% by weight to about 70% by weight of a glycol ether compound, about 0.01% by weight to about 1% by weight of a triazole compound, about 20% by weight to about 40% by weight of a polar solvent, and water, each based on a total weight of the composition.

Abstract: Provided are compositions suitable for stripping coatings from a surface. The compositions may include a solvent and an organic functional amine. The solvent may be benzyl alcohol. The compositions may further include at least one chelant. The compositions may be non-corrosive to eyes or skin or both. Also provided are methods of stripping a coating from a surface, the method including applying to the surface a composition according to the disclosure.

Abstract: Provided are compositions suitable for stripping coatings from a surface. The compositions may include a solvent and an organic functional amine. The solvent may be benzyl alcohol. The compositions may further include at least one surfactant. The compositions may include at least two surfactants present in the composition at a ratio of about 1:1 to each other. Also provided are methods of stripping a coating from a surface, the method including applying to the surface a composition according to the invention.

Abstract: A paint removal system is disclosed which comprises an environmentally safe paint stripping composition of which the primary constituent is benzyl alcohol, and which is applied to a substrate of one or more layers of paint to be removed from a surface. An impermeable biodegradable membrane is used in conjunction therewith, whereby the membrane is applied as a cover over the applied paint stripper to assist in the penetration of the paint stripping compound into the layers of paint and to assist in subsequent removal of the released paint and used stripper.

Abstract: The present invention is directed to a coating removal composition comprising at least one weak metal binding agent, a solvent system comprising at least one alcohol or ester, and a corrosion inhibition system. A method of removing a coating from an intentionally colored concrete floor is also disclosed. Utilization of the method results in at least 70% retention of colorant component after stripping a coating from an intentionally colored concrete surface, such as a floor.

Abstract: A personal care composition is provided which includes from 0.1 to 30% of a dihydroxypropyltri(C1-C3 alkyl) ammonium salt by weight of the composition; from 0.0001 to 0.005% of a tri(C1-C3 alkyl)amine or protonated form thereof by weight of the ammonium salt; from 0.002 to 15% of an aluminum salt by weight of the composition; and a cosmetically acceptable carrier wherein the composition has a pH ranging from 5.5 to 6.9. Unpleasant amine odor from trialkyl amines which arise from the dihydroxypropyltri(C1-C3 alkyl) ammonium salts is suppressed by the aluminum salt and by careful control of pH conditions.

Abstract: A method of cleaning and flushing a fast-set material spray gun 10 is disclosed which uses, in the preferred embodiment, a mixture of approximately 62.5% DMSO, 32.5% DBE and 5% water. This mixture 12 is non-toxic when atomized and lowers the freezing point of the liquid to below 10° F. Because the solvent is mixed with the purge air and expelled from the gun in atomized form, it is important that a non-toxic solvent be utilized and also important that the freezing point of the mixture be low enough to allow use in colder climates without freezing.

Abstract: The present invention is directed to a coating removal composition comprising at least one weak metal binding agent, a solvent system comprising at least one alcohol or ester, and a corrosion inhibition system. A method of removing a coating from an intentionally colored concrete floor is also disclosed. Utilization of the method results in at least 70% retention of colorant component after stripping a coating from an intentionally colored concrete surface, such as a floor.

Abstract: The invention relates to the use, in anti-graffiti treatments, and preferably in graffiti-suppressing treatments, of a particular dicarboxylic acid diester having improved treatment efficiency.

Abstract: A stripping composition that includes a dicarboxylic acid diester is described. The composition is useful and particularly efficient for stripping paint.

Abstract: A removal composition is described, having a plurality of abrasive particles, an organic amine, antioxidant, biocide, colorant, corrosion inhibitor, cosolvent, defoamer, dye, enzyme, light stabilizer, odor masking agent, plasticizer, preservative, rust inhibitor, surfactant, thickener, or a combination comprising at least one of the foregoing; from 0 to 1% water, based on the total weight of the removal composition; and a ketal adduct of formula (1) wherein R1 is C1-6 alkyl, R2 is hydrogen or C1-3 alkyl, each R3, R4, and R5 is independently hydrogen or C1-6 alkyl, R6 and R7 are each independently hydrogen or C1-6 alkyl, a=0-3, and b=0-1.

Abstract: A method and aqueous composition are provided for removing at least a portion of a coating from the surface of a substrate. The coating comprises an insulative material, and is contacted with an aqueous composition. The aqueous composition comprises dimethyl formamide.

Abstract: A composition for removing urethane products from a wide variety of substrates without the need for scraping, scrubbing, sanding, sandblasting and the like is provided. The composition is formed by combining water, a polar organic solvent, a mixture of organic esters, a hydrocarbon, and a polyether. The composition may optionally be formed by combining the components recited above along with an anionic surfactant. The composition may optionally be formed by combining the components recited above along with a thickener.

Abstract: A sprayable wash-and-wax composition which includes biodegradable surfactants and water repelling sealants. The sprayable composition preferably is packaged in an aerosol can and is dispensed as a foamed composition onto the car surface to be clean. The foamed composition is thereafter wiped from the car surface to produce a cleaned surface which is then buffed to a high gloss.

Abstract: The present invention is directed to a coating removal composition comprising at least one weak metal binding agent, a solvent system comprising at least one alcohol or ester, and a corrosion inhibition system. A method of removing a coating from an intentionally colored concrete floor is also disclosed. Utilization of the method results in at least 70% retention of colorant component after stripping a coating from an intentionally colored concrete surface, such as a floor.

Abstract: The invention concerns the use of at least one diol and/or of at least one trial as a an additive to dimethylsulfoxide (DMSO®) in order to lower the crystallization point of same. The DMSO formulation is used in combination with the aforementioned additive as a paint-stripping composition, a surface-cleaning composition, a graffiti-cleaning composition, a surface-cleaning composition in the microelectronics field as a photoresist stripping agent, a DMSO-based agrochemical composition or as a constituent of an aforementioned composition, as a solvent for dissolving polymers, or as a constituent of a composition that is usable in the field of cosmetology or pharmacy.

Abstract: An agent to remove paint, lacquer, rubber, glue, plastic or similar materials from objects. The agent includes an aromatic alcohol and/or a glycol ether that is at least partially soluble in water, water, an alkali salt of unsaturated and/or saturated fatty acid and/or a reaction product between aliphatic amine and alkali salt of unsaturated and/or saturated fatty acid, and aliphatic amine.

Abstract: Graffiti removal compositions has been developed and are disclosed that when coupled with reliable methods: a) consistently removes graffiti and other unwanted or undesirable paint, inks or permanent markers from a surface, b) is packaged such that it is easily transported, c) is easy to use and requires no additional on-site additives or special equipment, and d) utilizes less harmful chemicals and lower concentrations of chemicals that may be considered harmful. Graffiti removal compositions are described that include: at least one alcohol-based compound, at least one aromatic compound, at least one halogenated compound, at least one hydrocarbon; and at least one lactam-based compound.

Abstract: 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.

Abstract: A composition comprising a polypropylene glycol, a polyethylene glycol ester, an amine, and optionally an alcohol. The composition can be used as a purge solution to clean paint equipment.

Abstract: A solvent for urethane adhesives and coatings, the solvent having a carbaldehyde and a cyclic amide as constituents. In some embodiments the solvent consists only of miscible constituents. In some embodiments the carbaldehyde is benzaldehyde and in some embodiments the cyclic amide is N-methylpyrrolidone (M-pyrole). An extender may be added to the solvent. In some embodiments the extender is miscible with the other ingredients, and in some embodiments the extender is non-aqueous. For example, the extender may include isopropanol, ethanol, tetrahydro furfuryl alcohol, benzyl alcohol, Gamma-butyrolactone or a caprolactone. In some embodiments a carbaldehyde and a cyclic amide are heated and used to separate a urethane bonded to a component.

Abstract: A flushing composition comprising 50% to 95% by weight n-butanol, 0.1% to 3% by weight of a primary amine alkoxylate, and one or more secondary solvents. The flushing composition can also include 0.005% to 0.5% by weight of an aminated organic fatty acid compound formed from the addition of an organic fatty acid. The flushing compositions can be used to remove coatings that adhere to spray coating equipment.

Abstract: Floor finishes are stripped or deep scrubbed using a floor stripper/cleaner composition containing sparingly water-soluble floor finish solvent; water; sulfonic acid, sulfate acid, phosphonic acid, phosphate acid or aromatic acid coupler in an amount sufficient to provide a homogenous aqueous liquid phase and no or low foaming during shaking; and sufficient organic amine so that the composition pH is about 2 to about 11.

Abstract: Prepackaged cleaning compositions are described which are suitable for on-site dilution, and for cleaning substrates such as air conditioner coils.

Abstract: Disclosed is a cleaning solution comprising, based on the total weight of the solution: (a) more than 50% by weight of at least one lactone (component A); (b) and 1 to 10% by weight of at least one surfactant compound (component B) having a HLB ranging from 8 to 15 and selected from the group consisting of compounds of formula wherein: R1 denotes a hydrocarbon group comprising from 1 to 20 carbon atoms; n? is an integer from 1 to 5, X denotes a valence link, —O—, —OCH2, C?O or (CH2)k, k being an integer varying from 1 to 2; Y denotes (RO)jH wherein j is an integer ranging from 2 to 40, and R is a divalent hydrocarbon group, and compounds of formula wherein l is an integer from 6 to 13 and m is an integer from 3 to 15.

Abstract: Floor finishes can be stripped using a substantially nonchlorinated concentrate comprising a floor finish dissolver and an at least partially water-unactivated water thickener. The concentrate is diluted with water at an intended use location to activate the water thickener and noticeably increase within sixty minutes or less the viscosity of the resulting mixture, then applied to a hardened floor finish atop a floor and allowed to soften or dissolve the floor finish so that the finish may be removed from the floor.

Abstract: Processes for effecting biocidal activity in subterranean oil and gas wells being drilled, completed, worked over or produced are described. In general the process comprises blending with aqueous well fluid a biocidally-effective amount of a sulfamate stabilized, bromine-based biocide. Compositions comprised of aqueous well fluid blended with such aqueous biocides are also described.

Abstract: A composition for removing urethane products from a wide variety of substrates without the need for scraping, scrubbing, sanding, sandblasting and the like is provided. The composition is formed by combining water, a polar organic solvent, a mixture of organic esters, a hydrocarbon, and a polyether. The composition may optionally be formed by combining the components recited above along with an anionic surfactant. The composition may optionally be formed by combining the components recited above along with a thickener.

Abstract: A coating removal composition comprising: A) at least 50% wt of the total composition comprising one or more of non-ionic surfactants and/or anionic surfactants; B) an inorganic base; C) an optional component of one or more multi-functional alcohols, different from A); D) an optional component of one or more tertiary amines; and optionally, E) chelating agents, viscosity modifiers, surfactants different from A)-D), and mixtures thereof; the composition comprising less than 20 wt % water. The coating removal compositions are useful in stripping coatings from substrate surfaces and may be formulated to be essentially free (or, desirably, entirely free) of water and organic solvents classified as volatile organic compounds or HAPS.

Abstract: Disclosed is a composition for removing a film from a substrate. The composition comprises a mixture comprising a water-soluble biodegradable alkyl ester, and a water insoluble biodegradable alkyl ester. Also disclosed is a method of removing a film from a substrate, comprising providing a coated substrate comprising a film adhered to a substrate; applying a composition comprising a mixture comprising a water-soluble biodegradable alkyl ester, and a water insoluble biodegradable alkyl ester to a surface of the coated substrate; leaving the applied composition in contact with the coated substrate for a time sufficient to create a portion of disengaged film; and removing the portion of disengaged film from the substrate. The composition also provides a method of making the disclosed composition, comprising mixing together an aqueous phase comprising a water soluble biodegradable alkyl ester, and a nonaqueous but water soluble phase comprising a water insoluble biodegradable alkyl ester.

Abstract: Paint residues may be removed from spraying equipment and the like by flushing with aqueous compositions containing alkoxylated aromatic alcohols wherein the aromatic ring moieties of such alcohols do not bear any alkyl substituent containing more than 4 carbon atoms. Preferably, the aqueous compositions also contain an alkanolamine or other base. The alkoxylated aromatic alcohols contain an average of at least about 2 oxyalkylene moieties (preferably, oxyethylene moieties) per molecule.

Abstract: The present invention is directed to a coating removal composition comprising at least one weak metal binding agent, a solvent system comprising at least one alcohol or ester, and a corrosion inhibition system. A method of removing a coating from an intentionally colored concrete floor is also disclosed. Utilization of the method results in at least 70% retention of colorant component after stripping a coating from an intentionally colored concrete surface, such as a floor.

Abstract: An aqueous tire wheel cleaner composition useful for cleaning automobile tires are provided. The aqueous tire wheel cleaner composition contains an alkylene glycol, a salt of dialkyl sulfosuccinate, and as surfactants ethanol amine and an ethoxylate phosphate ester.

Abstract: An aqueous tire wheel cleaner composition useful for cleaning automobile tires are provided. The aqueous tire wheel cleaner composition contains an alkali and/or alkaline earth metal hydroxycarboxilic acid or a quaternary amine ethoxylate; a salt of an aryl sulfonate, and as surfactants ethanol amine and an ethoxylate phosphate ester.

Abstract: An improved paint stripper is provided and comprises at least one paint-stripping agent modified with at least one heavy metal remediation agent. Optionally, one or more viscosity-modification agents, dispersants, or other additive is also included. The invention also provides a kit for making a heavy metal-remediating paint stripper, comprising a vessel containing a paint-stripping agent and a dissolvable packet containing a remediation agent. To use the kit, a painter or other laborer opens the vessel containing the paint-stripping agent and deposits therein the packet containing the remediation agent. The packet dissolves, thereby releasing the remediation agent into the stripping agent.

Abstract: An aqueous coating removal composition containing: a) an alkoxylated aromatic alcohol, b) an amine; and c) an inorganic base is provided. The coating removal compositions are useful in cleaning coatings such as paint from substrate surfaces and may be formulated to be essentially free (or, preferably, entirely free) of organic solvents classified as volatile organic compounds or HAPS.

Abstract: A flushing composition comprising 50% to 95% by weight n-butanol, 0.1% to 3% by weight of a primary amine alkoxylate, and one or more secondary solvents. The flushing composition can also include 0.005% to 0.5% by weight of an aminated organic fatty acid compound formed from the addition of an organic fatty acid. The flushing compositions can be used to remove coatings that adhere to spray coating equipment.

Abstract: 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.

Abstract: 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 salt, a mixture of an aliphatic phosphate ester and a buffering agent such as boric acid or phosphoric acid, a mixture of a fatty acid salt, aliphatic phosphate ester, and buffering agent, or a mixture of a fatty acid salt and buffering agent. Alkanolamines are preferably used to form the fatty acid salt and/or as the alkaline source. The flushing solutions can be prepared in stable concentrated form and are useful for removing coatings such as paint from substrate surfaces.

Abstract: The present invention is directed to methylene chloride-free, and optionally methanol-free, paint stripper and gasket remover formulations as alternatives to methylene chloride-based paint strippers and gasket removers.

Abstract: A composition and related process for removing paint from a substrate in which the composition contains d-limonene.

Abstract: The present invention relates to a resist remover composition for removing resists during manufacturing processes of semiconductor devices such as integrated circuits, large scale integrated circuits and very large scale integrated circuits. The composition comprises (a) 10 to 40 wt. % of a water-soluble organic amine compound, (b) 40 to 70 wt. % of water-soluble organic solvents selected from a group consisting of dimethyl sulfoxide (DMSO), N-methyl pyrrolidone (NMP) dimethylacetamide (DMAc), dimethylformamide (DMF) and a mixture thereof, (c) 10 to 30 wt. % of water, (d) 5 to 15 wt. % of an organic phenol compound containing two or three hydroxyl groups, (e) 0.5 to 5 wt. % of anion type compound containing perfluoroalkyl, and (f) 0.01 to 1 wt. % of a polyoxyethylenealkylamine ether-type surfactant.

Abstract: A cured resin dissolving composition comprising a cellulosic gelling agent prepared in n,n-dimethylacetamide, known for its high penetration and solvency to polar resins, with a glycol-ether co-solvent, 1,8-diazabicyclo(5.4.0)undec-7-ene as a soluble amine, and a surfactant. The mixture of components form a gel-form composition while maintaining high dissolution character for cured polysulfide resins. The optimum thickness of the gel form is dependent upon the amount of the cellulose gelling agent present in the mixture. The product may be used to remove coatings and sealants present on vertical and horizontal surfaces and hard to reach areas commonly encountered when performing maintenance on aviation fuel tanks and similar equipment. Once the system has been in contact with the resin and dissolution has been allowed for a period of time, the reacted material may be wiped away or can be easily rinsed with water, an alcohol, or another hydrophilic rinse.

Abstract: A system for protecting surfaces and facilitating the removal of unwanted substances therefrom is disclosed, the system including a polymeric coating having a low volatile organics content (VOC) which is safe for the environment, and a cleaner for application to the coating to remove material from the coating, such as graffiti. The coating may be either a water-based epoxy comprising a bisphenol A resin and polyamide resin, or an aliphatic urethane comprising a polymer having reactive sites which react with a isocyanate and an aliphatic isocyanate. The cleaner is suitable for removing all manner of epoxy and urethane based spray paints, indelible inks, industrial chemicals, and the like. The cleaner comprises N-methyl pyrrolidone in a concentration of fifty percent by weight or greater and a surfactant.