| Patents for C23G 1 - Cleaning or pickling metallic material with solutions or molten salts (8,361) |
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| 10/20/1998 | US5824163 Metal cleaning process that does not damage plastic |
| 10/15/1998 | WO1998045399A1 Ethylenediaminetetraacetic acid or its ammonium salt semiconductor process residue removal composition and process |
| 10/13/1998 | US5821213 Aqueous based solvent free degreaser composition comprising a ternary mixture of nonionic alkoxylates |
| 10/13/1998 | US5821212 Rinse aid and process for stainless steel |
| 10/13/1998 | US5820015 Treating with dilute solution of potassium fluoride, sodium fluoride |
| 10/08/1998 | WO1998044168A1 Chromium-containing hot rolled steel strip and its production method |
| 10/08/1998 | WO1998044167A1 Oxide removal from metallic surface |
| 10/08/1998 | DE19721422A1 Production of a derusting agent |
| 10/06/1998 | US5817885 Polyalkylene oxides monoendcapped with a bicycloheptyl or bycycloheptenylalkyl alcohol |
| 10/06/1998 | US5817610 Quaternary ammonium hydroxide, corrosion inhibitor |
| 09/24/1998 | WO1998041606A1 Metal loss inhibitors and processes therewith |
| 09/24/1998 | CA2283655A1 Metal loss inhibitors and processes therewith |
| 09/22/1998 | US5810950 Annealing a low carbon, austenitic steel sheet in nitrogen or nitrogen and hydrogen to reduce the thickness of the oxide surface layer and to precipitate aluminum nitride particles to effect easy peeling |
| 09/22/1998 | US5810939 Method at treatment of metals |
| 09/22/1998 | CA2104086C Metallothermal reaction mixture |
| 09/17/1998 | WO1998040453A1 Alkanolamine semiconductor process residue removal composition and process |
| 09/16/1998 | EP0864638A2 Detergent composition |
| 09/15/1998 | US5807493 Microetching method for copper or copper alloy |
| 09/09/1998 | EP0750589B1 Reduction of residual chloride content in iron oxides |
| 09/09/1998 | CN1192466A Detergent for cleaning evaporating pot of sugar mill and method for cleaning it |
| 09/08/1998 | US5803795 Method of treating inner surface of high-pressure gas vessel |
| 09/03/1998 | WO1998038353A1 Method for pickling products of a metal alloy in absence of nitric and for recovering exhausted pickling solutions and apparatus therefore |
| 09/03/1998 | WO1998037951A1 Recovery and reuse of anionic surfactants from aqueous solutions |
| 09/03/1998 | CA2281573A1 Method for pickling products of a metal alloy in absence of nitric and for recovering exhausted pickling solutions and apparatus therefore |
| 09/02/1998 | EP0690944B1 Method of cleaning and maintaining potable water distribution pipe systems |
| 09/02/1998 | EP0625957B1 Acid regeneration |
| 09/01/1998 | US5800694 Mixed acid concentration/composition controlled as function of stainles steel quality, posttreatment and plant operatingparameters |
| 08/28/1998 | CA2230643A1 Metal cleaning composition and process that do not damage plastic |
| 08/26/1998 | EP0860864A2 Method of cleaning semiconductor wafers after lapping |
| 08/26/1998 | EP0859873A1 Process for removing tin |
| 08/26/1998 | EP0859671A1 Method for decontamination of nuclear plant components |
| 08/26/1998 | CN1191562A Composition and method for degreasing metal surfaces |
| 08/20/1998 | WO1998036045A1 Post clean treatment |
| 08/20/1998 | WO1998036044A1 Rinse aid and process for stainless steel |
| 08/18/1998 | US5795400 Method for recycling coolant for a cutting machine |
| 08/12/1998 | EP0858102A2 Surface treatment composition and method for treating surface of substrate by using the same |
| 08/06/1998 | WO1998033606A1 Continuous particle separation operation |
| 08/06/1998 | DE19703348A1 Crystallising out aluminium from alkaline pickling solutions |
| 08/05/1998 | EP0856596A2 Filtration device for extending the duration of the fluid |
| 08/04/1998 | US5789361 Non-caustic cleaning composition comprising peroxygen compound and specific silicate, and method of making same in free-flowing, particulate form |
| 08/04/1998 | US5788935 Pickling solution of hydrofluoric acid, nitric acid, water |
| 07/29/1998 | CN1188818A Process for removing very fine oxide particles that arise during regeneration of used pickling acids |
| 07/28/1998 | US5785765 Pickling of stainless steels while continuously reoxidizing catalytically the pickling solution |
| 07/23/1998 | WO1998031768A1 A composition for cleaning and etching electronic display and substrate |
| 07/23/1998 | WO1998031491A1 Metal fibre agglomerate and process for manufacturing the same |
| 07/22/1998 | CN1188161A Method for non-toxic removing glass and ceramic to regenerate metal element |
| 07/16/1998 | WO1998030733A1 Process for treating brass components to reduce leachable lead |
| 07/16/1998 | WO1998030652A1 Acid deoxidizing/etching composition and process suitable for vertical aluminum surfaces |
| 07/16/1998 | WO1998030510A1 Process for treating brass components to reduce leachable lead |
| 07/16/1998 | CA2248568A1 Acid deoxidizing/etching composition and process suitable for vertical aluminum surfaces |
| 07/15/1998 | EP0853140A1 Rapidly dissolving solid titanium phosphate containing activating composition |
| 07/14/1998 | US5779814 Method for controlling and removing solid deposits from a surface of a component of a steam generating system |
| 07/08/1998 | CN1039038C Pickling liquid for stainless steel and corbon steel compound plate |
| 07/08/1998 | CN1039037C Process for dissolving oxides deposited on metal substrate |
| 07/07/1998 | US5776351 Ozonization |
| 07/07/1998 | US5776258 Flat-rolled steel strip continuous cleansing methods |
| 07/01/1998 | CN1038952C Composition and process for cleaning tinplate stock |
| 06/24/1998 | EP0848763A1 Composition for cleaning silver or copper |
| 06/24/1998 | CN1185762A Acidic cleaning composition and process for aluminiferous metals |
| 06/18/1998 | WO1998026111A1 Method for pickling products in a metal alloy containing iron and in titanium and alloys thereof |
| 06/18/1998 | WO1998026034A1 Composition and method for deburring/degreasing/cleaning metal surfaces |
| 06/18/1998 | CA2273258A1 Composition and method for deburring/degreasing/cleaning metal surfaces |
| 06/16/1998 | US5767056 For cleaning fruits, vegetables, food containers |
| 06/16/1998 | US5766684 Stainless steel acid treatment |
| 06/16/1998 | US5766438 Periodically inverting polarity of electrodes at short intervals |
| 06/16/1998 | US5766374 Sequentially forming a steel sheet, pickling, amorphous phosphatizing, nickel plating and enameling; antisludge agents; bonding strength |
| 06/11/1998 | WO1998024869A1 Composition and method for cleaning/degreasing metal surfaces, especially composites of copper and aluminum |
| 06/11/1998 | CA2274097A1 Composition and method for cleaning/degreasing metal surfaces, especially composites of copper and aluminum |
| 06/09/1998 | US5763375 Cleaning agents and cleaning method |
| 06/09/1998 | US5762819 Baths and process for chemical polishing of stainless steel surfaces |
| 06/09/1998 | US5762719 Terpene based cleaning composition |
| 06/03/1998 | EP0845025A1 Composition and method for degreasing metal surfaces |
| 06/02/1998 | US5759307 Using pickling solution containing hydrochloric, sulfuric and(or) nitric acids |
| 05/27/1998 | EP0781258A4 Stainless steel alkali treatment |
| 05/22/1998 | WO1998021304A1 Liquid metal cleaner for an aqueous system |
| 05/20/1998 | EP0843025A1 Process for regenerating used pickling solutions |
| 05/20/1998 | EP0776256A4 Stainless steel acid treatment |
| 05/20/1998 | DE19712401C1 Degreasing and/or purifying metallic moulded pieces |
| 05/20/1998 | CN1038436C Pickling paste for stainless steel |
| 05/13/1998 | CN1181357A Drum descaling method of waste water centrifugal extraction and reverse extraction unit |
| 05/13/1998 | CN1038350C Aqueous solutions especially for cleaning high strength steel |
| 05/12/1998 | US5750487 Miscible liquid phase mixture of polar solvent, amphipathic compound, and nonpolar solvent; surfactant-free cleaning compounds |
| 05/12/1998 | US5749977 Alkylene glycol monoether oxide |
| 05/06/1998 | EP0839567A1 Process and apparatus for separating very fine oxide particles |
| 05/06/1998 | EP0759098B1 Effective cleaning method for turbine airfoils |
| 05/05/1998 | US5747439 Aqueous sodium salt metal cleaner |
| 05/05/1998 | US5746837 Process for treating an aluminum can using a mobility enhancer |
| 05/05/1998 | CA2080352C Aqueous degreaser compositions |
| 04/29/1998 | EP0838539A1 Process for pretreating metal parts |
| 04/29/1998 | EP0693977A4 Methods and fluids for removal of contaminants from surfaces |
| 04/29/1998 | CN1180049A Treating method for extracting iron from waste liquid containing nickel or iron chloride |
| 04/28/1998 | US5743968 Cracking scale, immersing in pickling tank containing inorganic acid, applying hydrogen peroxide |
| 04/21/1998 | US5741367 Substituting liquid on object with low molecular weight straight chain or cyclic polysiloxane, removing from object to dry |
| 04/21/1998 | US5741365 Continuous method for cleaning industrial parts using a polyorganosiloxane |
| 04/16/1998 | WO1998015674A1 Metal surface treatment solutions and process |
| 04/15/1998 | EP0835333A1 A method for pickling metallic surface, pickling solutions therefor, and process for regenerating spent pickling solutions |
| 04/14/1998 | US5738127 Stripping with an aqueous alkaline solution containing a polyether or a polyalkylene glycol ether stabilizers |
| 04/09/1998 | WO1998014545A1 Alkaline hard surface cleaner and process therewith |
| 04/08/1998 | CN1178262A Hydrogen peroxide pickling of stainless steel |
| 04/07/1998 | US5736495 Aqueous metal cleaner having an anticorrosion system |