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