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| Number | Title | Issue Date |
| 7442675 | Cleaning composition and method of cleaning semiconductor substrate A cleaning composition comprises at least quaternary ammonium hydroxide, a water-soluble organic solvent, water, an anticorrosive, and potassium hydroxide of 1 mass percent or less of a total amount of the solution. This cleaning composition can singly and effective... | 10/28/2008 |
| 7435712 | Alkaline chemistry for post-CMP cleaning This disclosure discusses cleaning of semiconductor wafers after the Chemical-Mechanical Planarization (CMP) of the wafer during the manufacturing of semiconductor devices. Disclosed is an alkaline chemistry for the post-CMP cleaning of wafers containing metal, part... | 10/14/2008 |
| 7384902 | Metal brightener and surface cleaner The present invention provides a metal brightener and surface cleaner, which provides significant etching of aluminum and other metals, without detrimentally affecting other surfaces such as painted surfaces, glass, rubber and plastic. The inventive composition is e... | 06/10/2008 |
| 7351681 | Well bore servicing fluids comprising thermally activated viscosification compounds and methods of using the same Well bore servicing fluids are provided that include a thermally activated viscosification compound. Further, methods of servicing a well bore are provided that include displacing such a servicing fluid into the well bore, wherein a viscosity of the servicing fluid ... | 04/01/2008 |
| 7323436 | Adduct having an acidic solution of sparingly-soluble group IIA complexes An adduct that has an acidic solution of sparingly-soluble Group IIA complexes (“AGIIS”) and at least one additive. The AGIIS can be prepared by mixing a mineral acid (such as sulfuric acid), and a Group IIA hydroxide (such as calcium hydroxide) or a Group IIA s... | 01/29/2008 |
| 7312186 | Cleaning solution for semiconductor substrate A cleaning solution for semiconductor substrates comprising a nonionic surface active agent of the formula (1) and/or the formula (2), a chelating agent and a chelating accelerator: CH3—(CH2)l—O—(CmH2m... | 12/25/2007 |
| 7151080 | Composition for stripping coatings from substrates A composition for stripping and cleaning organic coatings from substrates, comprising a solution of high-boiling alcohols, preferably polyglycols, a surfactant, preferably a nonylphenol ethoxylate, and an alkali metal hydroxide, said composition being essentially fr... | 12/19/2006 |
| 7071153 | Method of enhancing a soiled porous surface and maintenance thereof The present invention is directed to a method of enhancing the appearance of a soiled porous surface. The inventive method includes applying a concentrated, alkaline, cleaning composition to the soiled porous surface. This concentrated, alkaline, cleaning compositio... | 07/04/2006 |
| 7056874 | Cleaning solutions for carbon removal Cleaning compositions are disclosed. Methods of making and using the cleaning compositions are also disclosed. ... | 06/06/2006 |
| 6984614 | Composition and method for removing deposits A composition for removing paraffin, wax, or asphaltine deposits from the surface of a crude oil transmission system, such as a downhole tubular, a pipeline, or a surface tank, includes an aqueous sodium hydroxide solution containing from 18% to 25% by weight sodium... | 01/10/2006 |
| 6953146 | Low-temperature flux for soldering nickel-titanium alloys and other metals A low-temperature flux is described which dissolves the refractory oxide layer from a shape memory alloy containing both nickel and titanium, such as Nitinol, and from other metals like stainless steel. The flux is particularly useful for preparing shape memory allo... | 10/11/2005 |
| 6946432 | Anti-foaming preparation and use thereof The anti-foaming preparations comprise aqueous formulations, which contain at least one substance, from the group of polyhydroxy compounds, non-ionic detergents and phosphoric acid esters and their salts, preferably alkyl polygluocosides, alkoxylated long-chain alco... | 09/20/2005 |
| 6727214 | Cleaning metal salts of intermediate length carboxylic acids from surfaces A process of cleaning very sparingly water soluble soaps off workpieces after cold forming them is made considerably more economical by using a cleaning solution that causes the removed soap anions to form a separate floating solid phase that can easily be skimmed f... | 04/27/2004 |
| 6664220 | Removing adherent organic material A solution capable of removing adherent organic material from the surface of a solid substrate at room temperature. The solution includes a first solvent, preferably water, having dissolved therein: up to 2% alkali metal silicates, a source of alkalinity ... | 12/16/2003 |
| 6475296 | Degreasing composition and methods using same The present invention relates to a degreasing composition, to a liquid, to a gel and to a degreasing foam which comprise said composition. The composition according to the invention comprises a base, a polyethoxylated fatty alcohol, saturated or unsaturated, a... | 11/05/2002 |
| 6448211 | Composition and associated method for inhibiting stain formation on a ferrous metal surface A composition for adding to an aqueous rinse which is applied to a ferrous metal surface after treatment of the ferrous metal surface with an aqueous acid solution is disclosed. The composition includes a base. The base is present in the composition in an... | 09/10/2002 |
| 6440917 | Cleaning metal salts of intermediate length carboxylic acids from surfaces Problems of extensive foaming and/or of sticky deposits on process equipment that often arise when metal soaps from metal articles that have been given a metal soap containing surface to aid in drawing are removed with aqueous alkaline clearners can be av... | 08/27/2002 |
| 6436891 | Adduct having an acidic solution of sparingly-soluble group IIA complexes An adduct that has an acidic solution of sparingly-soluble Group IIA complexes ("AGIIS") and at least one additive. The AGIIS can be prepared by mixing a mineral acid (such as sulfuric acid), and a Group IIA hydroxide (such as calcium hydroxide) or a Grou... | 08/20/2002 |
| 6432899 | Composition and process for cleaning and deoxidizing aluminum Cleaning and deoxidizing aluminum surfaces can be accomplished simultaneously by contacting the surfaces with an aqueous liquid composition that contains as its cleaning active ingredients (i) alcohols and/or ether alcohols, (ii) alkaline builders, and (i... | 08/13/2002 |
| 6331514 | Sterilizing and disinfecting compound A method and application of a disinfecting solution which comprises adding to an acid the chemical equivalent of a metal chloride plus a metal compound wherein the metal compound is one of a hydride, oxide or hydroxide and the metal is selected to form a ... | 12/18/2001 |
| 6303554 | Plastic surface cleaning using a KOH/alcohol solution A method for pretreating a plastic surface in a coating process. The plastic surface is immersed in a solution containing iso-propanol, or another light alcohol, and potassium hydroxide (KOH). The method and the solution according to the present invention... | 10/16/2001 |
| 6300300 | Liquid cleaning, degreasing, and disinfecting concentrate and methods of use The present invention relates to cleaning and degreasing compositions. It is an aqueous concentrate comprising caustic soda, a metal salt of silica, three surfactants, and a bonding agent. The concentrate can be diluted to provide a reusable, low foaming,... | 10/09/2001 |
| 6239089 | Aqueous cleaning solutions containing elevated levels of N-alkyl-2-pyrrolidone Aqueous cleaning solution concentrates with elevated levels of N-alkyl-2-pyrrolidone solubilized therein, comprising a surfactant formulation incorporating at least one N-alkyl-2-pyrrolidone, the alkyl group of which has 6 to 12 carbon atoms, and a C... | 05/29/2001 |
| 6204231 | Cleaning agent for food-industry facilities, its use and method of cleaning such facilities using the agent An aqueous alkaline composition for cleaning equipment used in the food industry wherein the composition contains potassium hydroxide or a mixture of potassium hydroxide and sodium hydroxide and wherein the potassium hydroxide is present in an amount of a... | 03/20/2001 |
| 6156716 | Heavy duty degreaser cleaning compositions and methods of using the same Applicant discloses heavy duty degreaser cleaning compositions having reduced alkalinity and reduced corrosion properties for removing grease and/or oil from surfaces, and that contain: (a) about 1 to about 40 wt % of a builder having the following structure o... | 12/05/2000 |
| 6117831 | Alkali metal salts of hydroxyalkyl sulfonates of aminoalkyl alkanol amines and aminoalkyl alkanol ethers and method of making same The subject invention relates to a novel class of compounds, known as alkali metal salts of hydroxyalkyl sulfonates of aminoalkyl alkanol amines and/or aminoalkyl alkanol ethers, the methods of making such compounds, the alkali-stable solutions containing... | 09/12/2000 |
| 6036789 | Aqueous cleaning compositions containing 2-ethylhexyl sulfate and optionally myristyldimethylamine oxide for removing soap scum Dilute aqueous compositions for removing soap scum consisting essentially of sodium carbonate, hypochlorite bleach, alkali metal hydroxide and a surfactant system consisting either of sodium 2-ethylhexyl sulfate and myristyldimethylamine oxide or of sodiu... | 03/14/2000 |
| 6022840 | Aqueous cleaning compositions containing 2-ethylhexyl sulfate and C8 -C10 alkyldimethylamine oxide for removing soap scum Dilute aqueous compositions for removing soap scum consisting essentially of sodium carbonate, hypochlorite bleach, alkali metal hydroxide and a surfactant system consisting of sodium 2-ethylhexyl sulfate and a C8 -C10 -alkyldimethyl... | 02/08/2000 |
| 5972863 | Slurry compositions for polishing wafers used in integrated circuit devices and cleaning compositions for removing electron wax after polishing Compositions useful for polishing wafers to be used in microelectronic devices comprise silicon dioxide, aluminum oxide, sodium hydroxide, and water. Cleaning compositions for removing electron wax from wafers to be used in microelectronic devices compris... | 10/26/1999 |
| 5972866 | Thickened noncorrosive cleaner Methods and compositions for cleaning food preparation surfaces are disclosed. The method includes applying a thickened, noncorrosive composition to the surface. The composition is formulated from a hypochlorite bleach used to reduce staining on the surfa... | 10/26/1999 |
| 5955417 | Scouring pad A scouring pad is disclosed for cleaning and polishing delicate surfaces. The pad includes a three dimensional lofty nonwoven web made out of a plurality of polyester fibers and a cleansing composition which is present in the voids within the web in dry f... | 09/21/1999 |
| 5944908 | Cleaning compositions and processes suitable for replacing grit blasting to clean metal mold surfaces for plastics Residue that accumulates on metallic molding surfaces during repeated molding of plastics such as PVC can be removed by cleaning with an aqueous solution of a glycol or oligo-glycol monoether, an amine, and a chelating agent. The cleaner is sufficiently e... | 08/31/1999 |
| 5942481 | Caustic cleaning composition having low freezing point The caustic cleaner of the present invention has a freezing point of no more than about 40° F. The caustic cleaner is a mixture of aqueous sodium hydroxide and an organic salt derived from the reaction of sodium hydroxide and gluconic acid at elevated te... | 08/24/1999 |
| 5929023 | Cleaning composition containing a N-octyl ribonamide The present invention relates to a cleaning composition containing at least one first surfactant selected from the group consisting of nonionic surfactants, anionic surfactants, partially esterified ethoxylated glycerol surfactants, and alkyl polyglucosid... | 07/27/1999 |
| 5895782 | Acid replacement solution for cleaning non ferrous metals A solution for cleaning metal surfaces particularly non ferrous alloys such as copper, brass and high strength aluminum alloys. The solution is prepared by mixing Ca(OH)2 and KOH with equivalent sulfuric acid in water then passing the solution ... | 04/20/1999 |
| 5888957 | Liquid cleaning compositions containing a negatively charged surfactant complex All purpose cleaning or microemulsion compositions more environmentally friendly, which is especially effective in the removal of a mixture of oil and kaolin soil, contains an analephotropic negatively charged complex, a hydrocarbon ingredient, a cosurfac... | 03/30/1999 |
| 5858941 | Compositions and method for removal of oils and fats from food preparation surfaces The invention is a method of removing soils containing oils and fats from food processing surfaces. The method includes the steps of formulating a wash composition from a two-part concentrate. The concentrate first part includes a source of alkalinity and... | 01/12/1999 |
| 5854190 | Water-based flushing for paints and other coatings An apparatus, method and purge concentrate are capable of purging water-based and non-water-based paints and other coatings from automated and manual equipment using non-VOC containing aqueous purge solutions. Purge solutions of the invention contain wate... | 12/29/1998 |
| 5830838 | Acid replacement solution for cleaning non ferrous metals A solution for cleaning metal surfaces particularly non ferrous alloys such as copper, brass and high strength aluminum alloys. The solution is prepared by mixing Ca(OH)2 and KOH with equivalent sulfuric acid in water then passing the solution ... | 11/03/1998 |
| 5773395 | Microemulsion all purpose liquid cleaning compositions An improvement is described in the microemulsion compositions which is especially effective in the removal of oily and greasy soil contains an anionic detergent, a saturated fatty acid, an unsaturated fatty acid, a solubilizing agent, a perfume having a p... | 06/30/1998 |
