| Patents for C23G 1 - Cleaning or pickling metallic material with solutions or molten salts (8,361) |
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| 10/28/1993 | CA2134106A1 Method of cleaning and maintaining hot water heaters |
| 10/27/1993 | EP0567015A1 Method of and apparatus for cleaning oil-deposited material and a cleaning agent used therefor |
| 10/27/1993 | EP0566712A1 Method and system for removing contaminants. |
| 10/27/1993 | EP0559826A4 Method for finishing metal surfaces with terpene |
| 10/26/1993 | US5256209 Using mixture of glycol ether, nonionic surfactant, anionic phosphate surfactant |
| 10/21/1993 | DE4212891A1 Konzentrat zur Herstellung von Metallbeizmitteln Concentrate for the production of Metallbeizmitteln |
| 10/20/1993 | EP0566514A1 Process and apparatus for cleaning a device for separating silicon compounds, present in a hydrochloric steel pickling bath |
| 10/20/1993 | CN1077502A Acid washing, neutralizing and passivating processes for carbon steel pipe |
| 10/14/1993 | DE4211713A1 New amino di:carboxylic-N,N-di:acetic acid deriv., useful as complexing agents - is prepd. from amino di:carboxylic acids, formaldehyde and hydrocyanic acid, or alkali metal cyanide, with amino di:carboxylic acid-N,N-di:acetonitrile as intermediate |
| 10/12/1993 | US5252727 Heteropolysaccharide BM07 |
| 10/06/1993 | CN1076971A Preparation of non-phosphate water-base cleaning agent from colombic acid mother liquor |
| 10/06/1993 | CN1022333C Method and composition for refinement of metal |
| 10/05/1993 | US5250275 Process for separating silicon compounds contained in a hydrochloric bath used for pickling |
| 09/29/1993 | EP0562663A1 Method for removing impurities from cleaners |
| 09/28/1993 | US5248525 Treating an autodeposited coating with an alkaline solution containing anions of multifunctional organic acids |
| 09/28/1993 | US5248399 Method of regenerating aluminum surface cleaning agent |
| 09/28/1993 | US5248343 Method for finishing metal containers |
| 09/26/1993 | CA2092368A1 Process for cleaning a facility for separating silicon components in a bath for hydrochloric pickling of steel products; the device for said process |
| 09/16/1993 | WO1993018205A1 Composition and process for cleaning tinplate stock |
| 09/15/1993 | EP0560208A1 Method and apparatus for cleaning metal articles and apparatus for rinsing metal articles |
| 09/15/1993 | EP0559826A1 Method for finishing metal surfaces with terpene |
| 09/14/1993 | US5244551 Process of regenerating waste pickle which contains metal salts and acids |
| 09/14/1993 | US5244000 Method and system for removing contaminants |
| 09/14/1993 | CA1322148C Composition for rust removal and method of use thereof |
| 09/08/1993 | EP0558643A1 Method for cleaning aluminum and aluminum alloys. |
| 09/02/1993 | WO1993017153A1 Process for metallizing non-conducting surfaces, and the use of hydroxymethyl sulphinic acid in that process |
| 09/02/1993 | WO1993017148A1 Process and composition for desmutting surfaces of aluminum and its alloys |
| 09/02/1993 | DE4204926A1 Removal of oil from metal-working waste - involving use of a high-pressure water jet |
| 09/02/1993 | CA2129844A1 Process and composition for desmutting surfaces of aluminum and its alloys |
| 08/26/1993 | DE4204892A1 Iron and zinc salts sepn. from acid etching soln. - by using organic extn. agent to remove zinc salt and sulphate ion producing agent to convert salt into insol. zinc sulphate, for pure prods. |
| 08/19/1993 | WO1993016214A1 Process for cleaning a photographic process device |
| 08/19/1993 | WO1993016000A1 Acid regeneration |
| 08/17/1993 | CA1321334C Liquid cleaners |
| 08/11/1993 | EP0555127A1 Process and device for decontaminating a used nuclear steam-generator |
| 08/10/1993 | US5234574 High speed, high current density |
| 08/10/1993 | US5234506 Aqueous electronic circuit assembly cleaner and method |
| 08/10/1993 | US5234505 Removing soldering flux from printed circuits with aqueous solution of alkaline salt, alkali metal silicate, anionic polymer which prevents precipitation |
| 08/04/1993 | EP0553408A1 Process and apparatus for reprocessing and reusing aqueous oil and/or fat containing cleaning solution |
| 08/03/1993 | US5232619 Stripping solution for stripping compounds of titanium from base metals |
| 08/03/1993 | US5232514 Blasting with alkali metal bicarbonate; applying alkali metal silcate solution; rinsing off residues |
| 08/03/1993 | US5232460 System and process for recycling aqueous cleaners |
| 07/28/1993 | CN1074717A removing agent for iron and steel surface compact oxidation layer |
| 07/27/1993 | US5230824 Aqueous tertiary thiol ethoxylate cleaning composition |
| 07/22/1993 | DE4200849A1 Conditioning of rinse water from chemical and/or electrolytic surface treatment - includes passing rinse water from 1st tank of multistage rinse to electrodialysis unit and concentrate to treatment bath via selective ion exchanger and/or evaporator |
| 07/13/1993 | US5227016 Process and composition for desmutting surfaces of aluminum and its alloys |
| 07/06/1993 | US5225675 Method of monitoring removal of metal treatment solutions |
| 06/29/1993 | CA1319591C Non-chrome cleaner/deoxidizer system |
| 06/24/1993 | WO1993012269A1 Reprocessing of industrial aqueous cleaning-bath liquors |
| 06/24/1993 | DE4142629A1 Chemical cleaning bath waste water evapn. - by using hollow body with external flame heating for simple action with easy cleaning and heat for stations |
| 06/22/1993 | US5221362 Non-halogenated aqueous cleaning systems |
| 06/22/1993 | US5221358 Descaling/deglassing salt composition and method |
| 06/22/1993 | US5220934 Automatic continuous processing apparatus |
| 06/17/1993 | DE4141255A1 Sepn. of iron@ and zinc@ impurities from hot galvanising pre- and post-treatment baths - by concentrating liq. by evaporation and separating iron-contg. crystals from the residue to be cleaned for further use |
| 06/17/1993 | DE4140745A1 Wiederaufbereitung von waessrigen industriellen reinigungsbaedern Recycling of industrial aqueous reinigungsbaedern |
| 06/16/1993 | EP0546643A1 Process, means and apparatus for the electrodialytic regeneration of the electrolyte of a galvanic bath or the equivalent |
| 05/27/1993 | WO1993010038A1 Regeneration of hydrochloric acid |
| 05/27/1993 | WO1993009865A1 Process, medium and device for electrodialytically regenerating the electrolyte of a galvanic bath or the like |
| 05/27/1993 | WO1993009859A1 Removal of hydrocarbons, cooling lubricants and/or oils from the surface of fine particles |
| 05/26/1993 | EP0543729A1 Pickling process for mild steel and bath for pickling |
| 05/26/1993 | EP0543685A1 Method and apparatus for etching edges of a hot rolled plate |
| 05/19/1993 | CN1072219A Treatment technique for waste acid of washing cold-rolled parts with chlorhydric acid |
| 05/14/1993 | WO1993010280A1 Method and system for removing contaminants |
| 05/14/1993 | CA2096546A1 Method and system for removing contaminants |
| 05/13/1993 | WO1993009270A1 Non-chlorinated solvent dewax process |
| 05/13/1993 | WO1993009269A1 Process for degreasing and cleaning metal surfaces and device for implementing it |
| 05/13/1993 | WO1993009217A1 Wash waste liquid regenerating method, wash waste liquid regenerating apparatus, washing method and washing apparatus |
| 05/13/1993 | DE4137014A1 Entfernung von kohlenwasserstoffen, kuehlschmierstoffen und/oder oelen von der oberflaeche feiner partikel Removal of hydrocarbons, kuehlschmierstoffen and / or grease the surface 'of the fine particle |
| 05/13/1993 | DE4136442A1 Verfahren zum entfetten und reinigen metallischer oberflaechen und vorrichtung zu dessen durchfuehrung Method for degreasing and cleaning of metal surfaces and device for its implementation |
| 05/13/1993 | CA2123099A1 Process for degreasing and cleaning metal surfaces |
| 05/12/1993 | EP0541448A1 Method for continuously pickling steel material in a processing line |
| 05/12/1993 | EP0541034A2 Degreasing solution and degreasing method |
| 05/11/1993 | US5209785 Non-chlorinated solvent dewax process |
| 05/08/1993 | CA2082363A1 Continuous stripping/pickling of steel materials on a treatment line |
| 05/05/1993 | CN1071713A Water-soluble metal cleaning liquor |
| 05/04/1993 | US5207917 Recycling and recovery of aqueous cleaner solutions |
| 04/29/1993 | WO1993008317A1 Composition for stabilizing inorganic peroxide solutions |
| 04/29/1993 | WO1993008252A1 Oil removal compositions |
| 04/29/1993 | WO1993008131A1 Method for removing calcium sulfate scale |
| 04/29/1993 | CA2121691A1 Composition for stabilizing inorganic peroxide solutions |
| 04/27/1993 | US5205307 System for cleaning contaminants from parts |
| 04/27/1993 | CA1316799C Method for cleaning a vessel |
| 04/20/1993 | US5203927 Attaching thin film of water repellent surfactant to surface |
| 04/20/1993 | CA1316440C Nonchromate deoxidizer for aluminum alloys |
| 04/15/1993 | WO1993006950A1 Corrosion-inhibiting cleaning systems for aluminum surfaces, particularly aluminum aircraft surfaces |
| 04/14/1993 | EP0536823A1 Method of cleaning surfaces |
| 04/14/1993 | CN1070957A Safety pickle |
| 04/14/1993 | CN1070955A Multi-functional corrosion inhibior |
| 04/13/1993 | US5202002 Dipping or electrlysis in heated aqueous hydrochloric acid solution containing palladium, platinum or rhodium ions |
| 04/06/1993 | US5200114 Mixed solution consisting of at least one heterocyclic compound selected from soluble pyrroles, imidazoles or pyrazoles |
| 04/06/1993 | US5199995 Compounds for removing iron rust scales from water pipes and method therefor |
| 04/06/1993 | CA2079019A1 Electrolytic apparatus comprising protective electrodes |
| 04/06/1993 | CA1315650C Chemical treatment of aluminum cathodes in zinc electrowinning |
| 04/01/1993 | WO1993006262A1 Method and device for recycling used pickling liquors |
| 04/01/1993 | WO1993006261A1 Electrowinning metals from solutions |
| 04/01/1993 | WO1993006200A1 Fatty-alcohol polyalkylene glycols with a narrow homologous-series distribution in low-foam dip-cleaning agents |
| 04/01/1993 | WO1993006047A1 Method for regenerating scale solvent |
| 04/01/1993 | DE4131877A1 Fettalkoholpolyalkylenglykole mit eingeengter homologenverteilung in schaumarmen tauchreinigern Fettalkoholpolyalkylenglykole with a narrowed homologous distribution in low-foam immersion cleaners |
| 03/31/1993 | EP0533803A1 Acidic liquid composition and process for cleaning aluminum. |
| 03/25/1993 | DE4131793A1 Verfahren und vorrichtung zur regeneration von altbeizen Method and device for regeneration of mordanting agents |
| 03/24/1993 | EP0414820B1 Method of treating a titanium structure |