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| Number | Title | Issue Date |
| 7402553 | Method for preparing a buffered acid composition A buffered acid composition created by the combination of liquid ammonia and an acid and a method for making the composition. The buffered acid composition is for use as a cleaning agent and for balancing the pH of a fluid. ... | 07/22/2008 |
| 7396417 | Method for removing laser scales A degreasing method for descaling or removing laser scales from iron-containing metal part surface by treating the iron-containing metal part surfaces that is optionally tainted with laser scales with an aqueous solution containing at least one type of highly water-... | 07/08/2008 |
| 7393818 | Cleaning and decontamination formula for surfaces contaminated with prion-infected material A method of treating the surfaces of medical instruments which are contaminated with prions includes contacting the surface with a composition containing a source of peroxide ions, such as hydrogen peroxide, at a molar concentration of at least 1.5M peroxide (equiva... | 07/01/2008 |
| 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 |
| 7307053 | Combination air sanitizer, soft surface deodorizer/sanitizer and hard surface disinfectant An improved combination air sanitizer, soft surface sanitizer, soft surface deodorizer and hard surface disinfectant is disclosed. The preferred active ingredient for the air sanitization and soft surface odor treatment functions is triethylene glycol (TEG). The pre... | 12/11/2007 |
| 7297670 | Acidic chemistry for Post-CMP cleaning using a composition comprising mercaptopropionic acid 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 acidic chemistry for the post-CMP cleaning of wafers containing metal, partic... | 11/20/2007 |
| 7273060 | Methods for chemically treating a substrate using foam technology The present invention relates to methods and compositions for treating a surface of a substrate by foam technology that includes at least one treatment chemical. The invention more particularly relates to the removal of undesired matter from the surface of substrate... | 09/25/2007 |
| 7241726 | Complete-cycle methods for protecting glassware from surface corrosion in automatic dishwashing appliances Complete-cycle methods are provided for protecting glassware from corrosion in automatic dishwashing appliances using a through-the-wash detergent composition, especially detergent compositions comprising zinc-containing materials, in combination with a rinse aid co... | 07/10/2007 |
| 7229506 | Process for pickling martensitic or ferritic stainless steel A process for pickling martensitic or ferritic stainless steel, preferably in the form of wires, tubes or rods, wherein the stainless steel is placed in contact with a pickling solution which has a temperature in the range 15 to 29° C. and contains 50 to 120 g/l of... | 06/12/2007 |
| 7217685 | Cleaning and decontamination formula for surfaces contaminated with prion-infected material A method of treating the surfaces of medical instruments which are contaminated with prions includes contacting the surface with a composition containing a source of peroxide ions, such as hydrogen peroxide, at a molar concentration of at least 1.5M peroxide (equiva... | 05/15/2007 |
| 7125829 | Solution for removing magnesium chloride compound from a surface contaminated therewith A solution containing approximately 40–60% by weight phosphoric acid, approximately 1–6% by weight a surfactant, approximately 0.5–5% by weight an inhibitor, and the remaining percentage by weight made up of water for removing magnesium chloride from certain m... | 10/24/2006 |
| 7078371 | Cleaning composition The cleaning composition of the present invention is characterized by containing N-hydroxyformamide. The cleaning composition is capable of easily removing patterned photoresist masks or resist residues remaining on substrates after the etching process or removing r... | 07/18/2006 |
| 7041629 | Stripper for special steel The inventive aqueous pickling agent on the basis of sulfuric acid or phosphoric acid and hydrogen fluoride for stainless steels, which pickling agent is free of wetting and emulsifying agents, contains (each as 100 wt-% substance) | 05/09/2006 |
| 7018965 | Aqueous compositions for cleaning gas turbine compressor blades The present invention is directed to a gas turbine cleaner. The composition of the present invention includes a glycol alkyl ether compound, an alkoxylated surfactant with an alkyl chain length of from about 3 to 18 carbons and a metal corrosion inhibitor component.... | 03/28/2006 |
| 6887836 | Home care compositions comprising a dicarboxy functionalized polyorganosiloxane Disclosed are home care compositions comprising a dicarboxy functionalized polyorganosiloxane and methods for treating and modifying surfaces and for enhancing delivery of active agents to surfaces treated with the compositions. Said home care compositions can be us... | 05/03/2005 |
| 6833109 | Method and apparatus for storing a semiconductor wafer after its CMP polishing In an apparatus, after completion of a CMP (i.e., chemical mechanical polishing) operation of a semiconductor wafer, the thus polished wafer is temporarily stored in a water tank before it is subjected to a post-CMP cleaning operation. During its storage period in t... | 12/21/2004 |
| 6830629 | Method for treating brass Brass articles having leachable lead are contacted with an aqueous caustic solution that contains a chelating agent. A brass article can optionally be post-treated by contacting it with an aqueous solution containing anazole. ... | 12/14/2004 |
| 6797681 | Environmentally friendly peracetic acid decontamination formula with increased performance and chemical stability An environmentally friendly decontaminant solution, which may be disposed of after use without posing significant environmental hazards, is formulated without molybdenum-based corrosion inhibitors and preferably is free of all heavy metals. A zeolite-based buffering... | 09/28/2004 |
| 6787293 | Photoresist residue remover composition A photoresist residue remover composition is provided that includes one type or two or more types of fluoride compound and one type or two or more types chosen from the group consisting of glyoxylic acid, ascorbic acid, glucose, fructose, lactose, and mannose (but e... | 09/07/2004 |
| 6783919 | Stripper composition for photoresist 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... | 08/31/2004 |
| 6693067 | Water-soluble composition for removing rust from steel bar and steel frame The present invention relates to a water-soluble composition for removing rust from steel bars and steel frames, which is environmentally harmless and permits improving work efficiency by allowing work to be conducted in a state where rust was simply remo... | 02/17/2004 |
| 6645306 | Hydrogen peroxide pickling scheme for stainless steel grades The present invention relates to a process for pickling hot rolled, hot rolled & annealed, and cold rolled & annealed stainless steel strip in a continuous fashion. The process comprises a series of pre-pickling tanks and pickling tanks, and optionally in... | 11/11/2003 |
| 6599371 | Hydrogen peroxide pickling scheme for silicon-containing electrical steel grades The pickling process of the present invention is designed for pickling electrical steel strip in a continuous fashion and comprises at least one pickling tank equipped with at least one set of sprayers designed to spray the top and bottom surfaces of a st... | 07/29/2003 |
| 6592781 | Thiazolidines and use thereof for corrosion inhibition A novel composition of thiazolidines of the following formula and a method to prepare the same are disclosed. The method involves reacting a dihydrothiazole with a mixture comprising formic acid and an aldehyde. These new thiazolidines are useful as corro... | 07/15/2003 |
| 6558879 | Photoresist stripper/cleaner compositions containing aromatic acid inhibitors A stripping and cleaning composition for the removal of residue from metal and dielectric surfaces in the manufacture of semi-conductors and microcircuits. The composition is an aqueous system including organic polar solvents including corrosive inhibitor... | 05/06/2003 |
| 6528468 | Pickling agent for the chemical conversion coating of heat exchanger, method of pickling heat exchanger The present invention relates to a pickling agent for the chemical conversion coating of a heat exchanger which is capable of cleaning the complicated structure comprising fins and tubes of a heat exchanger in preparation for the successful formation of a... | 03/04/2003 |
| 6511613 | Corrosion inhibitor The reaction of propargyl alcohol and iodine gives 2,3di-iodo-2-propen-1-ol, and it has been discovered that this compound is effective as an intermediate in a corrosion inhibitor for metals in acid media, particularly halogen acids. The compound provides... | 01/28/2003 |
| 6472358 | Acid sanitizing and cleaning compositions containing protonated carboxylic acids A sanitizing composition comprising at least one aliphatic short chain antimicrobially effective C5 to C14 fatty acid or mixture thereof, at least one carboxylic weak acid and a strong mineral acid which may be nitric or a mixture of... | 10/29/2002 |
| 6419857 | Thiazolidines and use thereof for corrosion inhibition A novel composition of thiazolidines of the following formula and a method to prepare the same are disclosed. The method involves reacting a dihydrothiazole with a mixture comprising formic acid and an aldehyde. These new thiazolidines are useful as corro... | 07/16/2002 |
| 6365100 | Polymethylenepolyamine dipropionamides as environmentally safe inhibitors of the carbon corrosion of iron Polymethylenepolyaminedipropionamides are carbonic corrosion inhibitors devoid of toxicity to the marine environment.... | 04/02/2002 |
| 6352967 | Additives for improving acid reactivity and method for controlling acid reactions A composition for treating a mineral acid using with a blend of sodium thiosulfate, sodium sulfite and trisodium phosphate. This formulation enhances the corrosion properties of a mineral acid to produce a superior acid reaction when measured in terms of ... | 03/05/2002 |
| 6316115 | Non-chromate chemical treatments used on magnesium alloys Formulations and a process are disclosed for chemically treating a surface of a product made from magnesium alloys. One formulation comprises an acid pickle comprising hydrofluoric acid and a binary alcohol and a second formulation comprises a conversion ... | 11/13/2001 |
| 6291410 | Compositions for the stripping of photoresists in the fabrication of integrated circuits For the stripping of photoresists, the invention proposes to use a mixture of dimethyl sulphoxide DMSO) or N-methylpyrrolidone (NMP) and 3-methoxypropylamine (MOPA). Advantageously, a little water and a corrosion inhibitor, such as sodium tolyltriazolate,... | 09/18/2001 |
| 6235692 | Foaming enzyme spray cleaning composition and method of delivery This invention relates to a foaming enzyme composition and delivery method useful for the cleaning and maintenance of moist conditions of the surfaces of soiled instruments, utensils and other devices prior to final cleaning and/or sterilization. The aque... | 05/22/2001 |
| 6235693 | Lactam compositions for cleaning organic and plasma etched residues for semiconductor devices A composition for the cleaning of residues from substrates from about 0.01 percent by weight to about 10 percent by weight of one or more fluoride compounds, from about 20 percent by weight to about 50 percent by weight water, from about 20 percent by wei... | 05/22/2001 |
| 6228179 | Surface treatment composition and method for treating surface of substrate by using the same A surface treatment composition containing a complexing agent as a metal deposition preventive in a liquid medium, in which the complexing agent is an ethylenediaminephenol derivative of the following general formula (1) or its salt: ##STR1## wherein... | 05/08/2001 |
| 6211132 | Composition and method for deburring/degreasing/cleaning metal surfaces An acidic aqueous liquid composition for deburring/degreasing/cleaning metal, in particular aluminum, parts by mass finishing has as its active ingredients: (A) a nonionic surfactant containing halogen atoms, (B) nitrogen based surfactants such as n-alkyl... | 04/03/2001 |
| 6200942 | Cleaning composition A cleaning composition that can be dissolved in water to form a cleaning solution for cleaning metal articles, comprises 10% (m/m) iodine, 65% (m/m) tartaric acid, 5% (m/m) sodium lauryl sulphate and 20% (m/m) citric acid. The cleaning solution can be app... | 03/13/2001 |
| 6194369 | Pickling/activation solution for the pretreatment of aluminum-steel composites prior to dip tinning The invention relates to an aqueous preparation for the pickling and activation of aluminum-steel composites prior to electroless dip tinning. Specifically, the invention provides pickling/activation solutions for the pretreatment of aluminum-steel compos... | 02/27/2001 |
| 6165284 | Method for inhibiting tarnish formation during the cleaning of silver surfaces with ether stabilized, N-propyl bromide-based solvent systems Silver tarnishing is inhibited when using ether stabilized, n-propyl bromide based cleaning compositions by including a saturated aliphatic alcohol in the compositions.... | 12/26/2000 |
