| Patents for C23G 1 - Cleaning or pickling metallic material with solutions or molten salts (8,361) | 
|---|
| 07/09/1997 | EP0783044A1 Method for repair and cleaning of airfoils | 
| 07/09/1997 | EP0782611A1 Aqueous metal cleaner | 
| 07/09/1997 | EP0782610A1 Aqueous metal cleaner | 
| 07/09/1997 | EP0782609A1 Aqueous lubricant and surface conditioner for formed metal surfaces | 
| 07/09/1997 | EP0458969B1 Non-aqueous cleaning composition comprising a polyorganosiloxane | 
| 07/03/1997 | WO1997023588A1 Acid cleaning/deoxidizing aluminum and titanium without substantial etching | 
| 07/03/1997 | CA2240497A1 Acid cleaning/deoxidizing aluminum and titanium without substantial etching | 
| 07/02/1997 | EP0781258A1 Stainless steel alkali treatment | 
| 07/02/1997 | CN1035335C Cleaning agent | 
| 07/01/1997 | US5644041 Alkyl glycoside its use for cleaning purposes, and cleaning composition | 
| 07/01/1997 | US5643861 Near tricritical point compositions containing a bleach and/or a disinfecting agent | 
| 07/01/1997 | US5643474 Autoclaving in caustic solutions, removal of barrier coating from substrates | 
| 06/26/1997 | DE19547908A1 Removal of rust e.g. from steel surfaces in plants used to make fluoro:polymers | 
| 06/25/1997 | EP0714458B1 Process and apparatus for regeneration of volatile acids | 
| 06/25/1997 | CN1152632A One stage method pretreating liquid for aluminium material oxidation pretreatment | 
| 06/11/1997 | EP0778158A1 Lithographic printing plates having a smooth, shiny surface | 
| 06/10/1997 | US5637252 Inhibitor for aqueous liquid deoxidizing composition and process for aluminum, with reduced etching of titanium | 
| 06/05/1997 | CA2190923A1 Lithographic printing plates having a smooth, shiny surface | 
| 06/04/1997 | EP0776993A1 Method for pickling steel | 
| 06/04/1997 | EP0776256A1 Stainless steel acid treatment | 
| 06/04/1997 | EP0613398B1 Process, medium and device for electrodialytically regenerating the electrolyte of a galvanic bath or the like | 
| 06/03/1997 | US5635465 Alkaline degreasing solution | 
| 06/03/1997 | US5635152 Acid regeneration | 
| 06/03/1997 | US5634979 Nonionic, anionic, amphoteric surfactants, triazole compounds, alkali metal hydroxides | 
| 05/29/1997 | WO1997019164A1 Near tricritical point compositions | 
| 05/28/1997 | EP0775760A1 Process and apparatus for producing and/or recovering acids from metalliferous solutions of these acids | 
| 05/28/1997 | DE19543468A1 Waste water-free special steel pickling process | 
| 05/28/1997 | CA2191259A1 Process and plant for extraction or recovery of acids from solutions of these acids | 
| 05/15/1997 | WO1997017146A1 Method for decontamination of nuclear plant components | 
| 05/14/1997 | EP0772696A1 Method for removing alkaline sulfate scale | 
| 05/06/1997 | US5626818 Process for inhibiting corrosion | 
| 05/02/1997 | EP0770707A1 Process for producing cold-rolled strip continuously | 
| 05/01/1997 | WO1997015653A1 Gelled near tricritical point compositions | 
| 04/30/1997 | DE19539760A1 Water dosing unit for rinsing systems | 
| 04/30/1997 | CN1148871A Baths and method for chemically polishing stainless steel surfaces | 
| 04/24/1997 | WO1997014823A1 Process for removing tin | 
| 04/24/1997 | WO1997014778A1 Metal finishing process and composition | 
| 04/24/1997 | CA2229432A1 Metal finishing process and composition | 
| 04/23/1997 | EP0769575A1 Process for stainless steel pickling and passivation without using nitric acid | 
| 04/23/1997 | EP0769574A1 Process for stainless steel pickling and passivation without using nitric acid | 
| 04/23/1997 | EP0769570A1 Method of regenerating extrusion die for ceramic honeycomb structural bodies | 
| 04/23/1997 | EP0768997A1 Polyalkoxyl terpene derivatives and compositions containing same | 
| 04/23/1997 | CN1148102A Non-acid | 
| 04/22/1997 | US5622569 Aluminum rigid container sheet cleaner and cleaning method | 
| 04/17/1997 | DE19642732A1 Removing tin@ from the surface of directionally solidified castings | 
| 04/16/1997 | CN1147428A Method of treating inner surface of high-pressure gas vessel | 
| 04/10/1997 | WO1997013005A1 Metal cleaning process with improved draining uniformity | 
| 04/10/1997 | CA2183659A1 Metal cleaning process with improved draining uniformity | 
| 04/09/1997 | EP0766765A1 Method of cleaning and maintaining potable water distribution pipe systems with a heated cleaning solution | 
| 04/09/1997 | EP0766751A1 Method for pickling metal materials | 
| 04/09/1997 | EP0642575B1 Pumpable alkaline cleaning concentrates | 
| 04/09/1997 | CN1147025A Copper and copper alloy micro-etching agent | 
| 04/02/1997 | EP0765952A1 Process for preparing the metallic surface of an object, especially a steel sheet, for a direct enamelling | 
| 04/02/1997 | EP0640153B1 Method for cleaning aluminum at low temperatures | 
| 03/29/1997 | CA2186327A1 Process for the metallic surface treatment of an article, particularly stainless steel sheet article, for direct mode enamelling | 
| 03/25/1997 | US5614028 Method of cleaning and passivating a metal surface with acidic system and ethoxylated tertiary dodecyl mercaptan | 
| 03/25/1997 | US5614027 Metal cleaner with novel anti-corrosion system | 
| 03/13/1997 | DE19532784A1 Electrolytic regeneration of ferric salt etching soln. | 
| 03/12/1997 | EP0760847A1 Aluminum desmut composition and process | 
| 03/12/1997 | CN1144850A Descaling agent | 
| 03/11/1997 | US5610132 Of two different propylene glycol alkyl ethers and water | 
| 03/11/1997 | US5609692 Method of removing chloride ion or a compound thereof from a surface contaminated therewith | 
| 03/04/1997 | US5606787 Continuous method for producing final gauge stainless steel product | 
| 02/26/1997 | EP0759098A1 Effective cleaning method for turbine airfoils | 
| 02/26/1997 | EP0759011A1 Process for extracting or recovering acids | 
| 02/26/1997 | CN1143939A Reduction of residue chloride in iron oxides | 
| 02/26/1997 | CN1143919A Cleaning process | 
| 02/26/1997 | CN1143691A Process and plant for pickling materials made of steel, in particular stainles steel | 
| 02/20/1997 | WO1997006229A1 Metal cleaning composition and process that do not damage plastic | 
| 02/20/1997 | CA2202041A1 Metal cleaning composition and process that do not damage plastic | 
| 02/18/1997 | US5603811 Process for the treatment of an aqueous solution mainly containing nitric acid and hydrofluoric acid | 
| 02/13/1997 | WO1997005222A1 Composition and method for degreasing metal surfaces | 
| 02/13/1997 | CA2227577A1 Composition and method for degreasing metal surfaces | 
| 02/09/1997 | CA2182768A1 Method for processing chemical cleaning solvent waste | 
| 02/06/1997 | WO1997004055A1 Oxime containing inhibitors for acid pickling | 
| 02/05/1997 | EP0757118A1 Microetching composition for copper or copper alloy | 
| 02/05/1997 | CN1033984C Cyclic cleaning method for calcareous scale of vaporizing pot of sugar-processing plant | 
| 02/04/1997 | US5599398 Process and machine for cleaning parts | 
| 02/04/1997 | US5599395 Tanks of cleaning solutions for immersion of steel strips, magnetic separators for iron fines, conduits for recycling solutions | 
| 01/30/1997 | WO1997003227A1 Surface treatment of products made of aluminium and aluminium alloys | 
| 01/30/1997 | WO1997003167A1 Inhibited pickling acids containing chloride and zinc ions | 
| 01/30/1997 | CA2226887A1 Inhibited pickling acids containing chloride and zinc ions | 
| 01/29/1997 | EP0756023A1 Degreasing process based on hydrogen peroxide and its use for degreasing metal objects | 
| 01/28/1997 | US5597420 Stripping composition having monoethanolamine | 
| 01/28/1997 | CA2070484C Method of regenerating aluminum surface cleaning agent | 
| 01/21/1997 | US5595663 Evaporation, purification, absorption | 
| 01/20/1997 | CA2181416A1 Degreasing process with hydrogen peroxide especially for metal articles | 
| 01/15/1997 | EP0753380A1 Method of treating inner surface of high-pressure gas vessel | 
| 01/15/1997 | EP0753083A1 Baths and method for chemically polishing stainless steel surfaces | 
| 01/15/1997 | CN1140467A Cleaning agent and method | 
| 01/14/1997 | US5593598 Oxidation process for cleaning solutions used in cleaning | 
| 01/08/1997 | EP0610477B1 Method and apparatus for descaling metal strip | 
| 01/07/1997 | US5591270 Lead oxide removal method | 
| 01/07/1997 | CA2034488C Cleaning compositions | 
| 01/02/1997 | EP0750589A1 Reduction of residual chloride content in iron oxides | 
| 01/02/1997 | EP0750532A1 Cleaning process | 
| 12/27/1996 | EP0707668B1 Process for the subsequent treatment of pickled steel products, in particular for pickled carbon steel hot strips | 
| 12/27/1996 | EP0677090A4 Ink composition and method of making, using and recovering such composition. | 
| 12/27/1996 | EP0660762A4 Oil based composition clean up method and composition for use therein. | 
| 12/25/1996 | CN1033655C Passivating agent for removing oxidation scale on the surface of stainless steel |