Patents for C23G 1 - Cleaning or pickling metallic material with solutions or molten salts (8,361)
06/1996
06/12/1996CN1031980C Washing/drying method and apparatus
06/11/1996US5525255 Neutral cleaning agent and method of making it
06/11/1996US5524652 Apparatus for cleaning metallic workpieces
06/06/1996WO1996017110A1 Method of working up alkaline cleaning agents
06/05/1996EP0714458A1 Process and apparatus for regeneration of volatile acids
06/05/1996EP0714456A1 Composition and process for desmutting and deoxidizing without smutting
06/05/1996EP0416126B1 Sulfuric acid composition having low surface tension
06/04/1996US5523431 Method of producing an amide product mixture, an amide product mixture and the use thereof
05/1996
05/30/1996DE4441987A1 Aufbereitungsverfahren für alkalische Reiniger Treatment process for alkaline cleaner
05/29/1996CN1123343A Scaling agent for water tank of automobile
05/28/1996US5520841 Pumpable alkaline cleaning concentrates
05/28/1996US5520837 Method of making an environmentally safe, ready-to-use, non-toxic, non-flammable, inorganic, aqueous cleaning composition
05/23/1996WO1996015293A2 Metal cleaning and de-icing compositions
05/23/1996CA2204774A1 Metal cleaning and de-icing compositions
05/22/1996CN1122846A Cleaning agent comprising plural components and cleaning method using the same
05/15/1996CN1122264A A process for the preparation of cold rolled stain less steel strips and metal strips, more particularly of titanium alloys
05/08/1996EP0612263B1 Removal of hydrocarbons, cooling lubricants and/or oils from the surface of fine particles
05/08/1996EP0609342B1 Composition for stabilizing inorganic peroxide solutions
05/08/1996CN1121960A Annealing and descaling method for stainless stell
05/07/1996US5514293 Sulfuric acid, nitric acid, bromide ion
05/07/1996US5513666 For a quenching device
05/02/1996WO1996012832A1 Aqueous acid cleaning solution for aluminum metal and method for cleaning the metal
05/01/1996CN1121539A Aluminium soaking processing
04/1996
04/30/1996US5512202 Precleaning fluids for use in a process for the removal of contaminants from surfaces
04/30/1996US5512129 Method for regenerating alkaline solutions for pickling aluminum
04/24/1996EP0707668A1 Pickled steel product subsequent treatment process and device, in particular for pickled carbon steel hot strips
04/24/1996EP0707664A1 Rapidly dissolving and storage stable titanium phosphate containing activating composition
04/24/1996EP0578710B1 Process for cleaning a photographic process device
04/24/1996CN1031664C Lining cable for pipe lining
04/24/1996CN1031654C Multi-functional stainless steel pickling agent
04/18/1996DE19534545A1 Regenerating hydrogen chloride pickling solns.
04/17/1996EP0706840A2 Method and device for manufacturing cold rolled stainless steel from hot rolled strip
04/17/1996EP0706559A1 Machine dishwashing composition containing oxygen bleach and paraffin oil and benzotriazole compound silver tarnishing inhibitors
04/11/1996DE4435232A1 Regenerating pickling soln. contg. hydrofluoric acid
04/09/1996US5505786 Method for treating surface oxides on a metal alloy strip
04/04/1996WO1996009994A1 Stainless steel alkali treatment
04/04/1996WO1996009899A1 Stainless steel acid treatment
04/04/1996DE4433376C1 Verfahren zum Entrosten von Oberflächen auf organischer Basis und Verfahren zur Herstellung des eingesetzten Mittels Process for removing rust from surfaces on an organic basis and processes for preparation of the agent used
04/02/1996US5503682 Using surfactant-containing water-based cleaning liquid in bath or spray; regenerating liquid
03/1996
03/28/1996WO1996009423A1 Organically-based agent for removing rust from surfaces, production and use of said agent
03/28/1996WO1996009368A1 Aqueous metal cleaner
03/28/1996WO1996009366A1 Aqueous metal cleaner
03/28/1996WO1996009363A1 Aqueous lubricant and surface conditioner for formed metal surfaces
03/28/1996CA2200747A1 Aqueous metal cleaner
03/28/1996CA2199142A1 Aqueous lubricant and surface conditioner for formed metal surfaces
03/27/1996CN1031419C Cleaning method for surface of stainless steel to get bright appearance
03/26/1996US5501816 Aqueous based solvent free degreaser composition
03/26/1996US5501741 Process for purifying aqueous rinse solutions used in metal forming operations
03/20/1996EP0702399A1 Process for wet chemical removal of contaminants from semiconductor crystal surfaces
03/19/1996US5500098 Process for regeneration of volatile acids
03/14/1996WO1996007763A1 Method for removing alkaline sulfate scale
03/07/1996WO1995030781A3 Method of removing chloride ion or a compound thereof from a surface contaminated therewith
03/07/1996DE4443297C1 Emulsion splitting by electro:coagulation, flotation and decanting
03/05/1996US5496585 Method for reducing volatile organic compound emissions
03/05/1996US5496454 Method for the operation of electrolytic baths to produce Fe3 O4 electrophoretically in a three compartment cell
03/05/1996US5496449 Surface treatment of steel
02/1996
02/28/1996EP0698072A1 Process for metal cleaning
02/28/1996EP0587594B1 Use of 2-ethylhexyl esters of fatty acids as cold-cleaning agents
02/28/1996CN1117716A Method and machine for cleaning components
02/28/1996CN1117531A Liquid for corroding copper and copper alloy
02/27/1996US5494594 Metal surface treatments
02/27/1996US5494527 Treating with aqueous inorganic and organic acid solutions
02/14/1996EP0696651A1 Etching solution for copper or copper alloy
02/14/1996EP0589028B1 Concentrate for the preparation of metal mordants
02/13/1996US5491282 Apparatus and method for neutralizing a contaminated heating element
02/13/1996US5490908 Annealing and descaling method for stainless steel
02/09/1996EP0707664A4 Rapidly dissolving and storage stable titanium phosphate containing activating composition
02/07/1996EP0695808A1 Method of producing cold-rolled metallic strips, in particular strips of stainless steel and of titanium alloys
01/1996
01/31/1996EP0693977A1 Methods and fluids for removal of contaminants from surfaces
01/24/1996EP0693040A1 Method of purifying soluions containing alkali-metal aluminates
01/23/1996US5486316 Aqueous lubricant and surface conditioner for formed metal surfaces
01/18/1996WO1996001245A1 Polyalkoxyl terpene derivatives and compositions containing same
01/17/1996EP0692555A1 Annealing and descaling method for stainless steel
01/17/1996EP0692314A2 Process and device for intensifying the contact between a rolled strip and a fluid
01/17/1996EP0692290A1 Grease and light liquids separator
01/12/1996CA2152453A1 Annealing and descaling method for stainless steel
01/10/1996EP0691421A1 Oil-splitting aluminum cleaner and method
01/10/1996EP0690944A1 Method of cleaning and maintaining potable water distribution pipe systems
01/10/1996EP0690905A1 Alkyl glucoside, its use for cleaning purposes, and cleaning composition
01/10/1996EP0690868A1 Alkyl glucoside and use thereof
01/09/1996US5482566 Mixed with alkanolamine and chelate compound
01/09/1996US5482174 Method for removing copper oxide on the surface of a copper film and a method for patterning a copper film
01/04/1996WO1996000316A1 Non-silicated soft metal safe product
01/03/1996EP0586421B1 Method of producing an amide product mixture, an amide product mixture and the use thereof
01/03/1996CN1114243A Process for vessel decontamination
01/03/1996CN1030618C Pickle for stainless steel and use
12/1995
12/28/1995WO1995035419A1 Method of cleaning and maintaining potable water distribution pipe systems with a heated cleaning solution
12/28/1995WO1995035397A1 Process for stainless steel pickling
12/26/1995US5478448 Process and apparatus for regenerating an aqueous solution containing metal ions and sulfuric acid
12/21/1995WO1995034695A1 Method for pickling metal materials
12/21/1995DE4421141A1 Environmentally friendly cleaning compsns.
12/21/1995DE4421061A1 Washing, rinsing and drying industrial components
12/21/1995DE4421033A1 Refining of contaminated aq. washing and rinsing liq., pref. water, used for industrial pts.
12/20/1995EP0605495B1 Fatty-alcohol polyalkylene glycols with a narrow homologous-series distribution in low-foam dip-cleaning agents
12/20/1995CN1030534C Cyclic treatment of waste sulfuric acid
12/13/1995EP0558643B1 Method for cleaning aluminum and aluminum alloys
12/12/1995USRE35115 Cleaning soldering flux from printed wiring board; alkali metal salt of octanoic or nonanoic acid as hydrotrope
12/08/1995CA2146957A1 Oil splitting aluminum cleaner and method
12/06/1995CN1113081A Method for reclaiming metal sulfate-containing waste sulfuric acid
12/05/1995US5473648 Decontamination process
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