| Patents for C23G 1 - Cleaning or pickling metallic material with solutions or molten salts (8,361) |
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| 03/31/1998 | US5733859 Descaling |
| 03/31/1998 | US5733377 Acid fluoride salt cleaning compound to protect wheels fromhazing, soluble anion to hydrogen ion |
| 03/24/1998 | US5731124 Method for preparing an aluminum foil for use as a support in lithographic printing plates |
| 03/19/1998 | DE19637428A1 Use of hexane-1,3,6-tri:carboxylic acid or salts as complex former, (co)builder or incrustation inhibitor |
| 03/18/1998 | EP0829768A1 Non-corrosive cleaning composition for removing plasma etching residues |
| 03/18/1998 | CN1176316A Austenite stainless steel plate with excellent surface brightness and corrosion resistance and method for producing same |
| 03/17/1998 | US5728503 Micro-roughness to improve adhesion, hardness but still provide good image contrast |
| 03/17/1998 | US5728228 Method for removing residual liquid from parts using a polyorganosiloxane |
| 03/11/1998 | CN1037705C Microfiltration |
| 03/10/1998 | US5725678 Aqueous-based cleaner for the removal of residue |
| 03/06/1998 | CA2214639A1 Non-corrosive cleaning composition for removing plasma etching residues |
| 03/03/1998 | US5724668 Method for decontamination of nuclear plant components |
| 02/24/1998 | US5720824 Dissolving in preheated solution of nitric acid |
| 02/24/1998 | US5720823 Containing nitric acid, ferric ions, molybdate ions; persulfate ion-free |
| 02/12/1998 | WO1998005940A1 Corrosion monitoring process |
| 02/12/1998 | WO1998005516A1 Microetching and cleaning of printed wiring boards |
| 02/12/1998 | DE19700761C1 Industrial washing machine cross-flow filter assembly |
| 02/12/1998 | CA2262642A1 Corrosion monitoring process |
| 02/10/1998 | US5716456 Method for cleaning an object with an agent including water and a polyorganosiloxane |
| 02/05/1998 | WO1997036970A3 Method for fluidizing tars |
| 02/03/1998 | CA2071944C Stripping solution and process for stripping compounds of titanium from base metals |
| 01/22/1998 | WO1998002599A1 Removal of fluoride-containing scales using aluminum salt solution |
| 01/21/1998 | CN1171131A Cleaning and conditioning method for formed metal surfaces |
| 01/20/1998 | US5710120 Nonsilicated soft metal safe product |
| 01/14/1998 | EP0817871A1 Corrosion protective cleaning agent for tin-plated steel |
| 01/14/1998 | CN1170443A Aqueous acid cleaning solution for aluminum metal and method for cleaning the metal |
| 01/02/1998 | DE19624436A1 Stainless steel strip surface treatment |
| 12/31/1997 | CN1168823A Process for pickling piece of steel and in particular sheet strip of stainless steel |
| 12/30/1997 | US5702534 For removing scale |
| 12/29/1997 | EP0814180A1 Process for treating stainless steel surfaces |
| 12/29/1997 | EP0813614A1 Method for recovering heavy metals from acid and ammonia solutions |
| 12/29/1997 | EP0813500A1 Purification of metal containing solutions |
| 12/29/1997 | EP0772696A4 Method for removing alkaline sulfate scale |
| 12/23/1997 | US5700389 Etching solution for copper or copper alloy |
| 12/18/1997 | WO1997047786A1 Composition for cleaning silver or copper |
| 12/17/1997 | EP0812365A1 Methods for annealing and pickling high manganic cold rolled steel sheet |
| 12/17/1997 | EP0812241A1 Noncaustic cleaning composition comprising peroxygen compound and specific silicate and methods of making and using same |
| 12/17/1997 | CN1168194A Method of cleaning substrates |
| 12/11/1997 | DE19701636C1 Treatment of phosphate cleaning agent solutions contaminated with oil |
| 12/03/1997 | CN1166538A Normal-temp copper pickling corrosion inhibitor |
| 11/27/1997 | DE19620513A1 Treating de-greasing fluid to remove residues |
| 11/26/1997 | EP0808919A1 Hydrogen peroxide pickling of stainless steel |
| 11/25/1997 | US5690748 Hydrogen fluoride, dissolved ferric ion, oxidizing agent other than nitric acid, reduced pollution |
| 11/20/1997 | WO1997043463A1 Steel pickling process in which the oxidation of the ferrous ion formed is carried out electrolytically |
| 11/20/1997 | WO1997043462A1 Process for removing soap-contaminated conversion layers on metal workpieces |
| 11/20/1997 | CA2254846A1 Process for removing soap-contaminated conversion layers on metal workpieces |
| 11/20/1997 | CA2253826A1 Steel pickling process in which the oxidation of the ferrous ion formed is carried out electrolytically |
| 11/18/1997 | US5688755 Acidic cleaning aqueous solution for aluminum and aluminum alloy and method for cleaning the same |
| 11/13/1997 | DE19618899A1 Verfahren zum Entfernen von mit Seifen behafteten Konversionsschichten von metallischen Werkstücken A process for removing soaps afflicted with conversion layers of metallic workpieces |
| 11/12/1997 | EP0805713A1 Process and apparatus for purification of contaminated acids |
| 11/12/1997 | CN1164579A Process for treatment of sulfuric acid pickling waste liquor for pickling steel |
| 11/12/1997 | CN1036405C Furfuryl alcohol mixtures for use as cleaning agents |
| 11/11/1997 | US5685917 Method for cleaning cracks and surfaces of airfoils |
| 11/06/1997 | WO1997041278A1 A method for pickling metallic surface, pickling solutions therefor, and process for regenerating spent pickling solutions |
| 11/05/1997 | EP0805484A1 Method of cleaning substrates |
| 11/05/1997 | EP0804635A1 Non-silicated soft metal safe product |
| 10/28/1997 | US5681949 Alkyl glycoside and use thereof |
| 10/28/1997 | CA2044607C Peroxide composition for removing organic contaminants and method of using same |
| 10/22/1997 | EP0662929B1 Method for reclaiming metal sulfate-containing waste sulfuric acid |
| 10/21/1997 | US5679170 Methods for removing iron oxide scale from interior surfaces of steel vessels using formic acid-citric acid mixtures |
| 10/21/1997 | US5678583 Removal of ceramic shell mold material from castings |
| 10/14/1997 | US5678232 Contacting article with decontamination composition comprising reductant, citric acid or salt thereof, polyaminocarboxylic acid or salt thereof |
| 10/09/1997 | WO1997036970A2 Method for fluidizing tars |
| 10/09/1997 | WO1997036709A1 Improving fillet forming of brazeable aluminum articles |
| 10/09/1997 | CA2245918A1 Method for fluidizing tars |
| 10/08/1997 | EP0799293A1 Cleaning and surface conditioning of formed metal surfaces |
| 10/08/1997 | CN1036081C Acid washing descaling method for hydraulic powder trasportation pipe line |
| 10/07/1997 | US5674823 Derivatives of terpene origin, surfactant and/or fragrant composition containing them and detergent formulation based on this composition |
| 09/30/1997 | US5672578 Aqueous mixture of maleic acid and amine-containing cationic surfactant having acidic ph |
| 09/30/1997 | US5672577 Stripper solution also contains water, 1,2-dihydroxybenzene or derivatives, mercaptophenol/o-/ or mercaptobenzoic acid/o-/, and ethylenediaminetetracarboxylic acid as chelating agents to provide stability and effectiveness |
| 09/24/1997 | EP0796922A2 Austenite stainless steel plate with excellent surface brightness and corrosion resistance and method for producing same |
| 09/24/1997 | EP0714456B1 Composition and process for desmutting and deoxidizing without smutting |
| 09/23/1997 | US5669980 Aluminum desmut composition and process |
| 09/23/1997 | US5669978 Method for removing scale from silver articles using an aqueous oxalic acid solution |
| 09/17/1997 | EP0795628A1 Pickling of stainless steels while continuously reoxidizing catalytically the pickling solution |
| 09/17/1997 | EP0795627A1 Etchant for stainless steel |
| 09/16/1997 | US5668096 Caprylic acid derivative of imidazoline amphoteric surfactant, borate and molybdate ions |
| 09/03/1997 | EP0792949A1 Process for pickling a steel workpiece, in particular stainless steel sheet strip |
| 09/03/1997 | CN1158632A Aqueous lubricant and surface conditioner for formed metal surfaces |
| 09/02/1997 | US5663135 Terpene-based cleaning composition |
| 09/02/1997 | US5663132 For cleaning food apparatus |
| 08/27/1997 | EP0791083A2 Metal cleaning and de-icing compositions |
| 08/27/1997 | CN1157849A Furfuryl alcohol mixtures for use as cleaning agents |
| 08/27/1997 | CN1157797A Process and plant for extraction or recovery of acids from solutions these acids |
| 08/21/1997 | WO1997030133A1 Use of quaternized imidazoles as nonferrous metal corrosion inhibitors and antifreeze concentrates and coolant compositions containing said corrosion inhibitors |
| 08/21/1997 | DE19631178C1 Inspecting corrosion of carbon steel |
| 08/21/1997 | DE19605509A1 Verwendung von quaternierten Imidazolen als Buntmetall-Korrosionsinhibitoren und diese enthaltende Gefrierschutzmittelkonzentrate und Kühlmittelzusammensetzungen Use of quaternized imidazoles as non-ferrous metal corrosion inhibitors and containing them antifreeze concentrates and coolant compositions |
| 08/19/1997 | US5658869 Metal finishing composition |
| 08/13/1997 | EP0789094A1 Aqueous acid cleaning solution for aluminum metal and method for cleaning the metal |
| 08/07/1997 | WO1997028292A1 Aluminum deoxidizing inhibitor, composition and process |
| 08/07/1997 | CA2242881A1 Aluminum deoxidizing inhibitor, composition and process |
| 08/06/1997 | EP0787832A1 Treatment of ferrous metal surfaces |
| 08/06/1997 | EP0675973B1 Method for dissolving oxides deposited on a metal substrate |
| 08/05/1997 | US5653917 Rust-removing alkali metal hydrogen citrate composition |
| 08/05/1997 | US5653820 Method for cleaning metal articles and removing water from metal articles |
| 07/22/1997 | US5650385 Cleaning compositions with surfactants of alkylated thiol surfactants and n-alkyl pyrrolidone for deodorizing mixtures |
| 07/17/1997 | WO1997025447A1 Method for recovering heavy metals from acid and ammonia solutions |
| 07/16/1997 | EP0568670B1 Regeneration of hydrochloric acid |
| 07/16/1997 | CN1035442C Agent for cleaning cold-rolling silicon steel |
| 07/10/1997 | WO1997024467A1 Methods for annealing and pickling high manganic cold rolled steel sheet |