Patents for C23G 1 - Cleaning or pickling metallic material with solutions or molten salts (8,361)
06/2001
06/20/2001EP1107867A1 Removal of thermal barrier coatings
06/20/2001CN1299863A Descaler cream used specicially for vehicle radiator
06/14/2001WO2001042532A2 Metal treatment fluid for the neutral ph-range
06/14/2001WO2001042148A1 Method for removing deposits from water transmission systems and devices for supplying water
06/13/2001EP1106713A2 Method for determining the pickling time of a scaled metal strip
06/13/2001EP1106711A2 Method for recovery of aqueous wash in phosphate chemical conversion and apparatus for metal surface treatment
06/13/2001EP1105778A1 Silicate-containing alkaline compositions for cleaning microelectronic substrates
06/13/2001DE19959588A1 Metallbehandlungsflüssigkeit für den neutralen pH-Bereich Metal treatment liquid for the neutral pH range
06/12/2001US6245216 Cleaning tars, such as spent acid tars, from reaction vessels, process equipment, transportation containers and storage tanks utilizing sulfuric acid, surfactants and optionally a carrier.
06/12/2001CA2095809C Method for cleaning aluminum and aluminum alloys
06/06/2001CN1298037A Method of preparing zinc plating solvent by utilizing waste liquid
06/05/2001US6242400 Method of stripping resists from substrates using hydroxylamine and alkanolamine
06/05/2001US6240935 Boelube R dissolving alkaline cleaning solution
06/05/2001CA2235976C Method of treating a metal
06/05/2001CA2081767C Formulations for iron oxides dissolution
05/2001
05/30/2001EP1104227A2 Method for replenishing adhesion promoting baths
05/29/2001US6238743 Removal yttria-stabilized zirconia layer on gas turbine engine; using aqueous solution of ammonium bifluoride
05/25/2001WO2001036578A1 Non-corrosive cleaning composition for removing plasma etching residues
05/24/2001US20010001785 A cleaning composition for removing plasma etch residues formed on a substrate which comprises water, atleast one hydroxylammonium inorganic or organic compound, a basic compound and an organic carboxyllic acid
05/23/2001EP1101837A1 Moisture corrosion inhibitor layer for Al-alloy metallization layers, particularly for electronic devices and corresponding manufacturing method
05/23/2001EP1100982A1 Stripper for special steel
05/23/2001EP0750532B1 Cleaning process
05/16/2001EP1098859A1 Alkaline water-based solution for cleaning metallized microelectronic workpieces and methods of using same
05/15/2001CA2084302C Glycol-containing acid liquid composition and process for cleaning aluminum
05/09/2001EP1097255A1 Process for the preliminary treatment of a metallic workpiece before coating
05/09/2001CN1065562C Applications of non-water cleaning agent compsns as cleaning agent and dewatering cleaning agent
05/08/2001US6228179 Contacting a semi-conductor substrate with 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
04/2001
04/26/2001WO2001029284A1 Novel composition for selective etching of oxides over metals
04/26/2001WO2000008652A3 Degreasing composition and methods using same
04/25/2001EP1093534A1 Method for removing layers of hard material
04/25/2001CN1292503A Cleaning device, cleaning method and making method for liquid crystal device
04/25/2001CN1292499A Method and device for analysing free fluorine in solution containing hydrofluoric acid
04/25/2001CN1064986C Composition for cleaning and etching electronic display and substrate
04/24/2001US6222242 Thermoelectric semiconductor material with improved thermoelectric property containing selenide or telluride or both of a metal selected from lead, tin and germenium or mixture and a metal selected from bismuth and lead and mixture
04/24/2001US6221818 Hydroxylamine-gallic compound composition and process
04/24/2001US6221234 Acid solution of sulfuric acid, hyfrofluoric acid and optionally phosphoric acid, hydrochloric acid, electrolytic cells, membranes and separation of iron or titanium cations
04/18/2001EP0848763B1 Composition for cleaning silver or copper
04/17/2001US6217679 Hot-rolling chromium-containing steel slab, coiling strip formed at specified temperature, annealing strip in reducing atmosphere with specified hydrogen concentration and dew point, pickling in solution of nitric and hydrochloric acids
04/17/2001US6217667 Method for cleaning copper surfaces
04/12/2001WO2001025506A1 Vitreous or pewter enamel stripper and production and utilization methods thereof
04/12/2001CA2388381A1 Vitreous or pewter enamel stripper and production and utilization methods thereof
04/11/2001EP1066123A4 Improvement in aqueous stripping and cleaning compositions
04/10/2001US6214310 Partially roasted metal salts are transferred to a secondary roasting chamber where acids adhering to the metal salts are vaporized and the metal salts are oxidized, acid from the primary roasting furnace transferred to an absorption column
04/10/2001US6214129 Supplying into cleaning bath a mixture comprising hydrochloric acid, hydrogen peroxide and water through a filter and a supplying port, and dipping the member in the cleaning bath, at controlled temperature and bubbling rate
04/05/2001DE10045830A1 Removal of metal ions from aqueous solution, e.g. waste liquor, process bath or lixiviation solution, involves adjusting to suitable pH, adding solid organic chelant, stirring and removing metal complex formed
04/04/2001CN1290421A Method for purifying cooling circuit of alternator stator operating in ventilated circuit, and implementing device
04/03/2001US6211132 Composition and method for deburring/degreasing/cleaning metal surfaces
04/03/2001US6210650 Thermal decomposition of iron chloride in the spent pickling acid to iron oxide and gaseous hydrochloric acid; spent pickling acid at least one compound is admixed which contains nitrogen having a low oxidation number
04/03/2001US6210558 Steel pickling process in which the oxidation of the ferrous ion formed is carried out electrolytically
04/03/2001US6210491 Pickling steel or nickel or chromium alloy in aqueous acidic pickling bath in which steel is brought into contact with pickling solution that is continuously being withdrawn from bath and returned into bath under pressure
04/03/2001US6210488 Method of removing a thermal barrier coating
03/2001
03/29/2001WO2001022431A1 Decontaminating organic gel and use thereof for decontaminating surfaces
03/29/2001WO2001021855A1 Removal of metal oxide scale from metal products
03/28/2001EP1086191A1 Methods and apparatus for cleaning semiconductor substrates after polishing of copper film
03/21/2001CN1288589A Novel detergent and cleaning method using it
03/21/2001CN1288076A Acid mist inhibitor for hydochloric acid pickling, and its prodn. method
03/21/2001CN1288074A Rust removing liquid
03/21/2001CN1288073A Surface treatment method for magnesium alloy
03/15/2001DE10037127A1 Device for the controlled addition of two or more components to a bath solution comprises a supply vessel for the components, a conveying apparatus to convey the components to the bath solution, and a monitoring apparatus
03/14/2001CN1063236C Aqueous acid cleaning solution for aluminium metal, and method for cleaning the metal
03/13/2001US6200942 For cleaning metal articles
03/13/2001US6200499 Compositions for corrosion inhibition of ferrous metals
03/06/2001US6197837 Method for fluidizing tars
02/2001
02/28/2001EP0909311A4 Post clean treatment
02/27/2001US6194369 Pickling/activation solution for the pretreatment of aluminum-steel composites prior to dip tinning
02/27/2001US6194367 Non-caustic cleaning composition comprising peroxygen compound and specific silicate and method of making the same in free-flowing, particulate form
02/27/2001US6194365 Composition for cleaning and etching electronic display and substrate
02/27/2001US6194026 Dissolving embedded abrasive particles with hydroxide
02/27/2001CA2200587C Stainless steel acid treatment
02/22/2001WO2001012765A1 Use of polyoxypropylene/polyoxyethylene terpene compounds as degreasing agents for hard surfaces
02/20/2001US6190738 Prewashing, cleaning, rinsing container, rinsing with mobility enhancing composition consisting of acidic aqueous dispersion of wax and surfactant to decrease coefficient of static friction on outside surface, rinsing with water, drying
02/13/2001US6187730 Hydroxylamine-gallic compound composition and process
02/08/2001WO2001009274A1 Metal cleaning composition
02/07/2001EP0975731A4 Ethylenediaminetetraacetic acid or its ammonium salt semiconductor process residue removal composition and process
02/07/2001CN1061570C Process for preparation of cold rolled stainless steel strips and metal strips, more particularly of titanium alloys
02/06/2001US6183570 Surface treatment process of metallic material and metallic material obtained thereby
02/01/2001WO2001007177A1 Process and apparatus for treating a workpiece such as a semiconductor wafer
01/2001
01/30/2001US6179990 Laminate electrically coupled to a negative terminal of the power supply, conductive anode electrically coupled to a positive terminal of the power supply, turning on the power, immersing the cfc laminate in acid
01/25/2001WO2001005702A1 An acidic ozone solution having a high ozone content, a method for preparing the solution, and a cleaning method using the solution
01/25/2001WO2001005233A1 Disinfecting composition based on h2o2, acids and metal ions
01/25/2001CA2371328A1 Disinfecting composition based on h2o2, acids and metal ions
01/24/2001EP1070157A1 Method for removing photoresist and plasma etch residues
01/24/2001EP0859671A4 Method for decontamination of nuclear plant components
01/23/2001US6176937 Process for treating a metal surface with an acidic solution containing hydrogen peroxide and a stabilizer
01/18/2001DE19931820A1 Process for descaling titanium material comprises subjecting the titanium material with an oxide cinder on its surface to anodic electrolysis or alternating electrolysis in an electrolyte solution, and acid pickling the titanium material
01/17/2001CN1280633A Method of measuring acid concentration, and automatic control method and apparatus
01/16/2001US6174383 Pickling of steel in an acidic aqueous pickling solution containing fe3+ and fe2+; hydrogen peroxide is supplied to oxidize fe2+ to fe3+.
01/16/2001US6174380 Method of removing hot corrosion products from a diffusion aluminide coating
01/16/2001CA2078322C Process for the treatment of an aqueous solution containing mainly nitric and hydrofluoric acid
01/10/2001EP1067381A1 Method for analyzing free fluoride in solutions containing hydrofluoric acid solution, and apparatus for practising the method
01/10/2001EP1067172A2 Detergent composition
01/10/2001EP1066123A1 Improvement in aqueous stripping and cleaning compositions
01/10/2001CN1279383A Cleaning agent for bottle-type water heater
01/09/2001US6171409 Contacting metal surfaces with baths
01/03/2001CN1060209C Detergent for cleaning evaporating pot of sugar milla nd method for cleaning it
01/02/2001US6168670 Method of pickling articles of copper and metals less noble than copper
01/02/2001CA2158990C Methods and fluids for removal of contaminants from surfaces
12/2000
12/27/2000EP1062379A1 Surface-treated article of magnesium or magnesium alloys, method of surface preparation and method of coating
12/27/2000CN1278362A Method and apparatus for cleaning semiconductor substrates after polishing of copper film
12/26/2000US6165956 Solution for dissolving copper oxides comprising hydrogen fluoride, citric acid, ammonium hydroxide in deionized water
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