Patents for C23G 1 - Cleaning or pickling metallic material with solutions or molten salts (8,361)
07/2002
07/31/2002EP1227174A2 Anodized aluminum etching process and related apparatus
07/31/2002CN1088469C Cleaning and conditioning method for formed metal surfaces
07/30/2002US6425955 For solid water-repellent surface
07/30/2002CA2236146C Method for decontamination of nuclear plant components
07/25/2002WO2002057031A2 Biological cleaning system
07/24/2002EP0859873B1 Process for removing tin
07/24/2002CN1360315A Chemical soil removal method and method and apparatus for treatment of chemical soil removal liquid
07/24/2002CN1360072A Copper aloy foil for laminated board
07/23/2002US6423148 Polishing solution
07/18/2002WO2002055640A1 Internal combustion engine cleaning compositions
07/18/2002WO2002022264A8 Method and apparatus for gradient generation
07/18/2002US20020094941 Composition and method for cleaning surfaces
07/17/2002EP1223402A1 Piping deposit removal from stator water cooling systems
07/17/2002EP1062379B1 Surface-treated article of magnesium or magnesium alloys, method of surface preparation and method of coating
07/16/2002US6420178 High throughput screening method, array assembly and system
07/10/2002CN1087179C Process for removing very fine oxide particles that arise during regeneration of used pickling acids
07/09/2002US6417112 Removal of etch residues from integrated circuits with dielectric and copper material with water or solvents
07/03/2002EP1220233A2 Chemical decontamination method and treatment method and apparatus of chemical decontamination solution
07/03/2002CN1356406A Process for removing Si and Al from solution of ferrous chloride
07/02/2002US6413923 Non-corrosive cleaning composition for removing plasma etching residues
06/2002
06/27/2002WO2002050884A1 Cleaning and etching methods and their apparatuses
06/27/2002WO2002050883A1 Cleaning method and etching method
06/27/2002US20020078975 Piping deposit removal from stator water cooling systems
06/25/2002US6409844 Treating with alkali metal, phosphate, borate compounds; bonding strength, corrosion resistance; coating
06/25/2002CA2066054C Multipurpose scale preventer/remover
06/20/2002WO2002048430A2 Oxide-reducing agent composition, system and process
06/20/2002WO2002019390A3 Cleaning of semiconductor process equipment chamber parts using organic solvents
06/20/2002US20020077260 Cleaning solution and method for cleaning semiconductor substrates after polishing of copper film
06/20/2002US20020077259 Stabilized alkaline compositions for cleaning microlelectronic substrates
06/20/2002US20020074018 Forming a layer of hydrogen-free perfluorohexane (C6F14) on a surface of a spare part of an etcher as a protection layer, which can avoid spare part from being eroded by hydrochloric acid
06/20/2002US20020074017 Cleaning of oxides and dirt from internal cooling air passages of airfoils by immersion in an inorganic hydroxide stripping solution for a short time
06/19/2002CN1354281A Method for removing salt scale in inorganic technological liquor cleaning procedure
06/19/2002CA2364593A1 Cleaning of internal passages of airfoils
06/18/2002US6407047 For pretreatment of aluminum prior to electroplating, to remove smut that results from the etching step of the aluminum pretreatment
06/13/2002WO2002046498A2 Method of removing ceramic coatings
06/13/2002WO2002046497A2 Method for dissolving solids formed in a nuclear installation
06/13/2002WO2002046344A1 Method for cleaning etcher parts
06/12/2002EP1213370A2 Method and composition for cleaning a turbine engine component
06/12/2002EP1212152A1 Methods for cleaning microelectronic substrates using ultradilute cleaning liquids
06/12/2002EP1212151A1 Process and apparatus for treating a workpiece such as a semiconductor wafer
06/12/2002EP1151149B1 Method and device for scouring and cleaning rolled steel strip
06/12/2002CN1353574A Disinfecting composition based on H2O2 acids and metal ions
06/06/2002US20020066470 Apparatus and process to clean and strip coatings from hardware
06/06/2002US20020066466 Immersing into an organic solvent, removing, inspecting for visible contaminants and testing for non-visible ones, repeating if necessary
06/06/2002US20020066463 Ultrasonic cleaner tank that the plane of the reticle membrane is oriented perpendicularly to the propagation direction of the waves from the transducer; stencil used in charged-particle-beam microlithography
06/05/2002EP1211564A2 Non-corrosive cleaning composition for removing plasma etching residues
06/05/2002CA2363613A1 Method and composition for cleaning a turbine engine component
06/04/2002US6399551 Mixture containing chelate compound and solvent
06/04/2002US6398876 Nitric acid free acidic and spent neutral electrolyte solutions; oxidizing fe2+ to fe3+ and reducing cr6+ to cr3+; neutralizing to insoluble metal hydroxides; recycling acid and electrolye solutions
05/2002
05/30/2002US20020063106 Hf etching and oxide scale removal
05/29/2002EP1098859A4 Alkaline water-based solution for cleaning metallized microelectronic workpieces and methods of using same
05/29/2002CN1085723C Method for fluidizing tars
05/28/2002US6396280 Method and apparatus for measurement and automatic control of acid concentration
05/23/2002DE10057560A1 Increasing corrosion resistance of workpiece made from titanium (alloy) and contaminated with metallic iron comprises treating the workpiece with pickling solution
05/22/2002EP1206512A1 Use of polyoxypropylene/polyoxyethylene terpene compounds as degreasing agents for hard surfaces
05/22/2002EP0922124B1 Removal of fluoride-containing scales using aluminum salt solution
05/22/2002CN1350481A High-capacitance niobium powders and electrolytic capacitor anodes
05/21/2002US6391836 Mixture of surfactant and microorganisms
05/21/2002US6391206 Method for recovery of aqueous wash in phosphate chemical conversion and apparatus for metal surface treatment
05/16/2002WO2002038819A2 Process for regeneration of spent acid halide leach solutions
05/15/2002EP1204731A1 Metal cleaning composition
05/15/2002CN1084801C Process for pickling piece for steel and in particular sheet strip of stainless steel
05/07/2002CA2250735C Improving fillet forming of brazeable aluminum articles
05/07/2002CA2080070C Process and arrangement for pickling steel sheet edges immersed in a reactive solution, especially hot rolled steel sheet
05/02/2002WO2001079590A3 Corrosion inhibitor
05/02/2002WO2001049899A3 Brightening/passivating metal surfaces without hazard from emissions of oxides of nitrogen
05/02/2002US20020052301 Cleaning solutions including nucleophilic amine compound having reduction and oxidation potentials
05/02/2002US20020050281 Used to carry out very clean and low-cost fluid processing on both the front and rear surfaces of an object to be processed without generating rubbing particles and without leakage of fluid; for semiconductor manufacturing process
04/2002
04/30/2002US6379749 Method of removing ceramic coatings
04/25/2002WO2002033033A1 Stabilized alkaline compositions for cleaning microelectronic substrates
04/25/2002WO2001061073A3 Method and device for pickling rolled metal, in particular steel strip
04/25/2002CA2425613A1 Stabilized alkaline compositions for cleaning microelectronic substrates
04/23/2002US6375915 Method of regenerating a spent pickling solution
04/23/2002US6375850 Basification of citric acid solution; filration; acidification; filtration; precipitation; discharging, circulation
04/23/2002US6375704 High capacitance niobium powders and electrolytic capacitor anodes
04/17/2002EP1196033A2 A composition and method for cleaning surfaces
04/17/2002EP0964940B1 Method for pickling products of a metal alloy in absence of nitric and for recovering exhausted pickling solutions and apparatus therefore
04/16/2002US6372710 Detergent composition and process for producing composition thereof
04/16/2002US6372706 Alkali metal hydroxide, carboxylate anionic surfactant, ethoxylated nonionic surfactant, sequestering agent or chelate compound, and antifoam agent; free of phosphorus and nitrogen; stability
04/16/2002US6372055 Method for replenishing baths
04/10/2002EP1194256A1 High capacitance niobium powders and electrolytic capacitor anodes
04/09/2002US6367486 Ethylenediaminetetraacetic acid or its ammonium salt semiconductor process residue removal process
04/04/2002WO2002027409A1 Photoresist stripper/cleaner compositions containing aromatic acid inhibitors
04/04/2002US20020039554 Process for regeneration of acids from spent acids
04/04/2002DE19850524C2 Nitratfreies Recycling-Beizverfahren für Edelstähle Nitrate-free recycling pickling process for stainless steels
04/04/2002CA2423468A1 Photoresist stripper/cleaner compositions containing aromatic acid inhibitors
03/2002
03/28/2002US20020036001 A container which retains the substrate has an inlet port for introducing a solution into the container in controllable manner and an outlet for discharging the solution, an oxygen water high concentration inlet pipe for feeding oxygen-water
03/28/2002DE10043040A1 Verwendung von N-Alkyl-beta-alanin-Derivaten zur Herstellung von reinigenden Korrosionsschutzmitteln Use of N-alkyl-beta-alanine derivatives for the preparation of purified anti-corrosion agents
03/27/2002EP1190763A1 High throughput screening method
03/26/2002US6361712 Comprised of water, hydroxylammonium salt, carboxylic acid, fluorine-containing compounds, and base; removes residues left after chemical-mechanical polishing and etching
03/26/2002US6361613 Pickling solution containing nitrate and fluorides
03/26/2002US6361611 Using alkaline water-based solution; forming alumina-silica
03/21/2002WO2002022911A1 Cleaning composition and methods for manufacturing and using
03/21/2002WO2002022264A2 Method and apparatus for gradient generation
03/21/2002US20020035050 For pretreatment of aluminum prior to electroplating, to remove smut that results from the etching step of the aluminum pretreatment
03/21/2002US20020033471 Corrosion resistance; fuel efficiency
03/21/2002CA2422110A1 Method and apparatus for gradient generation
03/20/2002EP1187791A1 Method for neutralising and/or regenerating acid baths and plant that carries out this method
03/20/2002EP1023137A4 Improving fillet forming of brazeable aluminum articles
03/20/2002CN1081248C Process for preventing and removing harmful rust from bronze articles
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