| Patents for C23G 1 - Cleaning or pickling metallic material with solutions or molten salts (8,361) |
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| 04/27/1994 | CN1085960A Passivating agent for removing oxidation scale on the surface of stainless steel |
| 04/27/1994 | CN1085925A Ink composition and method of making, using and recovering such composition |
| 04/26/1994 | US5306431 Treatment with hydrogen peroxide in acidic pH range; measurement of redox potential |
| 04/20/1994 | EP0592906A1 Rim cleaning agent |
| 04/20/1994 | EP0592892A1 Process for continuous titanium sheet pickling and passivation without using nitric acid |
| 04/19/1994 | US5304297 Electrolytic cells |
| 04/19/1994 | CA1328598C Polishing baths and process for the chemical polishing of stainless steel surfaces |
| 04/14/1994 | WO1994007803A1 Removal of magnetite deposits in water-supply systems |
| 04/06/1994 | CN1084907A Sulfuric acid pickling solution close circulation technology treating method |
| 04/06/1994 | CN1084874A Oil based composition clean up method and composition for use therein |
| 04/06/1994 | CN1024147C Rust-poof solution for iron and steel material |
| 03/31/1994 | WO1994006873A1 Ink composition and method of making, using and recovering such composition |
| 03/31/1994 | WO1994006718A1 Method of cleaning waste water and recovery of contaminants therefrom |
| 03/31/1994 | WO1994006573A1 Oil based composition clean up method and composition for use therein |
| 03/31/1994 | DE4232612A1 Entfernung von Magnetitbelägen in wasserführenden Systemen Distance from Magnetitbelägen in water systems |
| 03/31/1994 | CA2144778A1 Method of cleaning waste water and recovery of contaminants therefrom |
| 03/31/1994 | CA2144777A1 Oil based composition clean up method and composition for use therein |
| 03/31/1994 | CA2144776A1 Ink composition and method of making, using and recovering such composition |
| 03/24/1994 | DE4231028A1 Treatment of aq. liq. resulting from metal surface treatment - by passage through the electrode spaces of an electrodialysis unit |
| 03/23/1994 | EP0587889A1 Method for cleaning and apparatus thereof |
| 03/22/1994 | US5296042 Composition and process for treating sheet steel |
| 03/22/1994 | US5296041 Aqueous electronic circuit assembly cleaner and method |
| 03/22/1994 | US5296001 Cooling, precipitation |
| 03/16/1994 | EP0586421A1 Method of producing an amide product mixture, an amide product mixture and the use thereof. |
| 03/09/1994 | EP0454684B1 Use of nonchromate solutions for deoxidizing of aluminum alloys |
| 03/09/1994 | CN1023940C Preparation of cleansing corrosion inhibitor for ferrous metal |
| 03/03/1994 | WO1994004645A1 Low toxicity, non-carcinogenic inhibitors for acid pickling |
| 03/03/1994 | WO1993021362A3 Concentrate for the preparation of metal mordants |
| 03/03/1994 | DE4228096A1 Sepn. of emulsified oil from bath waste water - uses activator and additive to float emulsified oil mixt. for removal and disposal with recycling of cleaned water. |
| 03/02/1994 | EP0585207A1 Method for the operation of electrolytic baths |
| 03/02/1994 | EP0584146A1 Method for the desilification of aqueous inorganic solutions |
| 03/01/1994 | US5290362 Striping process for stripping compounds of titanium from base metals |
| 02/23/1994 | EP0583670A1 Metallothermic reaction mixture |
| 02/23/1994 | CN1082630A 水基金属清洗剂 Water fund is a cleaning agent |
| 02/23/1994 | CN1082629A Method for producing acid washing aditive materials |
| 02/22/1994 | US5288332 Flushing, washing, chelation |
| 02/22/1994 | CA2104274A1 Method for the operation of electrolytic baths |
| 02/17/1994 | WO1994003651A2 Method, apparatus and salt for descaling metal strip |
| 02/17/1994 | WO1994003571A1 Process and aqueous composition for degreasing metal surface |
| 02/17/1994 | CA2120369A1 Method, apparatus and salt for descaling metal strip |
| 02/16/1994 | CN1082121A Method for treating pickle liquor |
| 02/16/1994 | CN1082120A Composition and process for cleaning tinplate stock |
| 02/15/1994 | US5286358 Complexing ferric mions with fluoride ions, back titration |
| 02/15/1994 | US5286300 A nonionic polyoxyalkylene glycol and an alkoxy derivative thereof; treating metal surfaces |
| 02/09/1994 | EP0582121A1 Process for stainless steel pickling and passivation without using nitric acid |
| 02/01/1994 | US5282992 Lubricating metal cleaner additive |
| 02/01/1994 | CA1326588C Process for separating metal sulphates from sulphuric acid |
| 01/27/1994 | DE4206680C1 Verfahren zur Metallisierung von Nichtleiteroberflächen und die Verwendung von Hydroxymethansulfinsäure im Verfahren A process for the metallization of non-conductive surfaces and the use of hydroxymethanesulfinic acid in the process |
| 01/19/1994 | EP0578710A1 Process for cleaning a photographic process device. |
| 01/18/1994 | US5279771 Removal photoresist from substrate |
| 01/18/1994 | US5279707 For molds; solution of phosphoric acid and wetting agent |
| 01/18/1994 | US5279677 Treating aluminum, or alloy thereof; containing a sulfosuccinate salt and surfactant |
| 01/12/1994 | EP0578537A1 Process for purifying a waste steel pickling bath |
| 01/12/1994 | EP0578507A2 Cleaning solutions including nucleophilic amine compound having reduction and oxidation potentials |
| 01/11/1994 | US5278743 Oxidizing, then reducing |
| 01/04/1994 | US5275671 Aqueous solutions especially for cleaning high strength steel |
| 01/04/1994 | CA1325757C Method for inhibiting oxidation of ferrous metals and composition for cleaning ferrous metals |
| 01/04/1994 | CA1325756C Stability and compatibility of glycosides in acid systems |
| 12/29/1993 | EP0575699A2 Process and apparatus for regenerating metal ions and sulfuric acid containing aqueous solutions and use thereof |
| 12/28/1993 | US5272798 Method and apparatus for descaling metal strip |
| 12/23/1993 | WO1993025729A1 Stabilization of silicate solutions |
| 12/23/1993 | WO1993025728A1 Powdered electric circuit assembly cleaner |
| 12/23/1993 | WO1993025727A1 Low foaming effective hydrotrope |
| 12/23/1993 | WO1993025653A1 Process and composition for cleaning |
| 12/23/1993 | WO1993025327A1 Method for separating components of liquids in industrial process |
| 12/23/1993 | DE4220401A1 Water circulation management for installations for workpiece etc. treatment in baths - including an evaporation unit for production of rinsing water |
| 12/23/1993 | DE4220081A1 Metal cleaning for recirculating solvent circuit and unchanged rinse capacity - using washing water and solvent replaced by fresh water in rinsing circuit with water contg. phosphate to remove dirt and esp. oil or grease residue |
| 12/23/1993 | DE4219836A1 Paste cleaner for aluminium surface - contg. solid of alkali metal cpd. or fatty amine ethoxylate and liq. phase of polyethylene glycol, propylene carbonate, propylene glycol or fatty alcohol ethoxylate |
| 12/23/1993 | CA2137767A1 Process and composition for cleaning |
| 12/22/1993 | EP0574858A1 Inorganic oxidant compositions for removing contaminants |
| 12/21/1993 | US5271804 Etchant/deoxidizer for aluminum |
| 12/21/1993 | US5271773 Process for cleaning articles with an aqueous solution of terpene and recycle water after separation |
| 12/20/1993 | CA2096452A1 Inorganic oxidant compositions for removing contaminants |
| 12/16/1993 | DE4218836A1 Surface decontamination - with a cryogenically embrittled surface layer removed by mechanical means |
| 12/15/1993 | EP0521087B1 Process for the treatment of an aqueous solution containing mainly nitric and hydrofluoric acids |
| 12/14/1993 | US5269957 Aqueous solution of phosphoric acid |
| 12/14/1993 | US5269850 Nontoxic products |
| 12/11/1993 | CA2097868A1 Method and apparatus for regenerating an aqueous solution containing metal ions and sulphuric acid, and the use of the method |
| 12/07/1993 | CA1324981C Recovery of acids from materials comprising acid and salt |
| 12/03/1993 | CA2070852A1 Process for removing a chromium passivation film from an aluminum-zinc coated steel surface |
| 12/01/1993 | CN1079009A Acid washing liquid for stainless steel and using method |
| 11/25/1993 | WO1993023590A1 Method for cleaning aluminum at low temperatures |
| 11/25/1993 | WO1993023522A1 Pumpable alkaline cleaning concentrates |
| 11/25/1993 | DE4216405A1 Pumpfähige alkalische Reinigerkonzentrate A pumpable alkaline cleaning concentrates |
| 11/25/1993 | CA2136172A1 Pumpable alkaline cleaning concentrates |
| 11/25/1993 | CA2135391A1 Method for cleaning aluminum at low temperatures |
| 11/23/1993 | US5264158 Aqueous based cleaner-degreaser |
| 11/23/1993 | US5264097 Precipitation of metals as hydroxides |
| 11/23/1993 | US5264047 Cleaning printed circuits, alkali metal salt of octanoic or nonanoic acid |
| 11/23/1993 | US5264046 Alkaline solution treatment for wiring boards |
| 11/23/1993 | US5264041 Dissolving iron oxide in steam generator of nuclear power plant, saline solution containing acid, base and reducing agent |
| 11/16/1993 | US5261967 Powdered electric circuit assembly cleaner |
| 11/11/1993 | DE4212578C1 Electrolysis cell for processing cleaning liq. - has electrically screening sheath around electrode pack |
| 11/10/1993 | EP0568670A1 Regeneration of hydrochloric acid. |
| 11/09/1993 | US5259979 Process for regeneration of cleaning compounds |
| 11/09/1993 | US5259960 Regeneration and recycling of contaminated solutions from aluminum and tin washer processes |
| 11/09/1993 | CA1324063C Metal cleaning process |
| 11/02/1993 | US5258109 Forming hydroxide and acid; insolubilizing |
| 10/28/1993 | WO1993021483A1 Method of cleaning and maintaining hot water heaters |
| 10/28/1993 | WO1993021362A2 Concentrate for the preparation of metal mordants |