| Patents for C23G 1 - Cleaning or pickling metallic material with solutions or molten salts (8,361) |
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| 06/17/1992 | DE4039479A1 Removing surface layers, esp. rust, from workpieces - in swirl bath of weak organic acid soln. contg. abrasive particles |
| 06/16/1992 | US5122200 Method of cleaning printed circuit boards using formic acid |
| 06/14/1992 | CA2057407A1 Process of separation of silicon compounds contained in chlorydric pickling of parts including steel sheets |
| 06/10/1992 | CN1061807A Prepn. of cleansing corrosion inhibitor for ferrous metal |
| 06/08/1992 | WO1992010314A1 Method for finishing metal surfaces with terpene |
| 06/08/1992 | CA2097936A1 Method for finishing metal surfaces with terpene |
| 06/02/1992 | US5118356 Using mixture of cerium salt, mineral acid and acetic acid |
| 06/02/1992 | CA1302050C Method of reducing the emission of no _gas from a liquid containing nitric acid |
| 05/29/1992 | WO1992008824A1 Method for cleaning aluminum and aluminum alloys |
| 05/29/1992 | WO1992008542A1 Method for regenerating scale solvent |
| 05/20/1992 | CN1016702B Dredging agent for solid pipeline |
| 05/19/1992 | US5114607 Low foaming alkaline cleaner comprising a surfactant mixture of an EO-PO-EO block copolymer and a PO-ZO-PO block copolymer |
| 05/19/1992 | US5113681 Method and apparatus for forming a titanium or titanium alloy sheet element with a contoured surface |
| 05/13/1992 | EP0485161A1 Stripping compositions and method of stripping resists from substrates |
| 05/05/1992 | US5110494 Discoloration inhibition by inclusion of nitrogen heterocycle |
| 04/29/1992 | EP0483053A1 Decontaminating agent and process for dissolving radioactively contaminated surfaces of metallic components |
| 04/28/1992 | US5108544 Method for pickling iron and steel surfaces |
| 04/28/1992 | CA1299512C Decomposing oil-in-water emulsions using metal insert forming hydroxyl complex |
| 04/27/1992 | CA2054236A1 Method for dissolving radioactively contaminated surfaces from metal articles |
| 04/27/1992 | CA2054234A1 Reagent for dissolving radioactively contaminated surfaces from metal articles |
| 04/20/1992 | WO1992007110A1 Stripping solution and process for stripping compounds of titanium from base metals |
| 04/16/1992 | WO1992006227A1 Process and device for regenerating and recovering metals from chloride-containing solutions |
| 04/14/1992 | US5104563 Aqueous acidic solutions containing polyoxypropylene glycols; antifoaming, for high temperature and agitation uses |
| 04/07/1992 | US5102511 Immersing in aqueous sulfuric acid and controlling the potential to low level |
| 04/02/1992 | DE4101843C1 Hard tool coating for economy - by stripping using tetra:sodium di:phosphate soln. and hydrogen peroxide |
| 03/31/1992 | US5100660 Thickened acidic aqueous compositions using cross-linked dialkylaminoacrylic microparticles |
| 03/31/1992 | US5100571 Additive for engine cooling system |
| 03/18/1992 | EP0475622A1 Process for removing radioactive burden from spent nuclear reactor decontamination solutions using electrochemical ion exchange |
| 03/18/1992 | CN1015919B Treatment process for metallic anode reclamation |
| 03/18/1992 | CN1015918B Utilization of the colloidal by product from pyrazolong drugs |
| 03/05/1992 | WO1992003595A1 Alkaline cleaner and process for reducing stain on aluminum surfaces |
| 03/05/1992 | DE4027787A1 Oil removal from finely divided solids |
| 03/05/1992 | CA2067112A1 Alkaline cleaner and process for reducing stain on aluminum surfaces |
| 03/04/1992 | CN1059172A High-effective scale remover for aluminium kettle |
| 03/04/1992 | CN1059171A Prodn. of protecting agent for chromium-plated piece |
| 03/03/1992 | US5093072 Process for the radioactive decontamination of metal surfaces, particularly portions of primary circuits of water-cooled nuclear reactors |
| 02/19/1992 | EP0471662A2 Process for pickling stainless steel |
| 02/18/1992 | US5089226 Method for protecting austenitic stainless steel-made equipment from occurrence of stress-corrosion cracking |
| 02/12/1992 | EP0470553A1 Cooling system cleaning solutions |
| 02/12/1992 | CN1058622A Ordinary-temp high-efficient rust-removing additive for steel workpiece and its preparation and use |
| 02/11/1992 | US5087371 Method for regenerating scale solvent |
| 01/28/1992 | CA1294856C Chemical etching bath for heat-resisting alloy parts |
| 01/22/1992 | EP0466775A1 Method to control a salt stream to be treated in an electrodialytic water splitter. |
| 01/22/1992 | CN1058040A High-efficient detergent for printing and dyeing apparatus and production method thereof |
| 01/21/1992 | US5082523 Process of regenerating spent HF-HNO3 pickle acid containing (ZrF6-2 |
| 01/15/1992 | EP0465620A1 Process for removing oil from finely divided solid material, especially metal-containing production waste and soiled floors. |
| 01/15/1992 | CN1057796A Washing/drying method and apparatus |
| 01/14/1992 | US5080822 Aqueous degreaser compositions containing an organic solvent and a solubilizing coupler |
| 01/08/1992 | EP0464652A1 Agent and method for removing rosin-base solder flux |
| 01/08/1992 | CN1057682A Separately-packed scale-removing agent and its process |
| 01/07/1992 | US5078894 Formulations for iron oxides dissolution |
| 01/07/1992 | US5078842 Process for removing radioactive burden from spent nuclear reactor decontamination solutions using electrochemical ion exchange |
| 01/02/1992 | EP0463905A1 Process for separating silicon compounds from pickling baths and apparatus therefor |
| 01/02/1992 | EP0463671A1 Process for treating waste pickling baths containing metallic salts and acids |
| 01/02/1992 | EP0463423A1 Surface treating agent for aluminum line pattern substrate |
| 01/02/1992 | DE4020560A1 Working-up of seat pickling liquor contg. metal salts and acids - preventing pollution with only small expenditure on energy and materials |
| 12/31/1991 | US5076884 Reacting with sodium sulfate; precipitating as zirconium or hafnium fluoride |
| 12/26/1991 | WO1991019830A1 Acidic liquid composition and process for cleaning aluminum |
| 12/24/1991 | US5075040 Aqueous solutions especially for cleaning high strength steel |
| 12/24/1991 | US5074972 Surface treatment of ti or ti alloy parts for enhancing adhesion to organic material |
| 12/19/1991 | DE4019232A1 Removing oil from finely divided metal esp. from metal machining - by multistage washing with detergent soln. and rinsing in filter centrifuge |
| 12/19/1991 | DE4019155A1 Removing oil from metal residue esp. from metal machining - by washing with detergent soln. and rinsing in mill contg. grinding elements |
| 12/12/1991 | WO1991019018A1 Fluoride-free cleaning agents for aluminium surfaces |
| 12/11/1991 | CN1056905A Polishing agent for neutral copper vessel |
| 12/10/1991 | US5071582 Of an ethylendiaminetetraacetic acid salt, a gluconate salt, a soluble nitrate salt and a silicon compound corrosion inhibitor |
| 12/10/1991 | CA1292927C Pseudoplastic acid compositions |
| 12/04/1991 | EP0459550A1 Process for rinsing conversion coatings |
| 12/04/1991 | EP0459549A1 Production of conversion coatings on zinc or zinc alloy surfaces |
| 12/04/1991 | EP0458969A1 Detergent composition |
| 12/04/1991 | EP0458948A1 Peroxide composition for removing flux residue and method of using same. |
| 12/04/1991 | CN1056668A Iron oxide yellow made method by wash iron waste acid liquid |
| 11/27/1991 | EP0458533A1 Chemical cleaning method for steam generators utilizing pressure pulsing |
| 11/27/1991 | EP0457859A1 Hydrogen peroxide solutions. |
| 11/14/1991 | WO1991017124A1 New formulations for iron oxides dissolution |
| 11/13/1991 | EP0456272A1 Cleaning agent for drinking water installations |
| 11/12/1991 | US5065417 Method and apparatus for monitoring the partial density of metal and acid in pickling baths |
| 11/12/1991 | US5063651 Method of manufacturing a low emissivity liquid nitrogen dewar |
| 11/06/1991 | EP0455465A2 Washing/drying method and apparatus |
| 11/06/1991 | CN1055962A Contaminant-removing agent for printing and dyeing of textile |
| 11/06/1991 | CN1055961A Efficient detergent for degreasing and rust removal at ordinary temp |
| 11/06/1991 | CN1055960A Efficient paint for degreasing and rust removal at ordinary temp |
| 11/06/1991 | CN1055959A Cleaning and rust-preventing agent for blank of cast iron bathtub and iron pot |
| 11/02/1991 | CA2040989A1 Washing/drying method and apparatus |
| 10/31/1991 | WO1991014019A3 Process and device for regenerating alkaline solutions for pickling aluminium |
| 10/29/1991 | US5061321 Optimization of descaling and intergranular corrosion |
| 10/23/1991 | EP0453321A1 Method for descaling hot-rolled stainless steel strip |
| 10/22/1991 | US5059342 Novel chemical compounds and their use as low foam surfactants and antifoaming agents |
| 10/22/1991 | CA1291014C Alkaline cleaner for aluminum |
| 10/16/1991 | EP0451721A1 Process for cleaning objects and apparatus therefor |
| 10/16/1991 | CN1055387A High-efficiency grease stain and scale cleaning agent |
| 10/15/1991 | US5057290 Cooling without freezing, precipitation, separating crystals from supernatant, recycling supernatant; efficiency |
| 10/11/1991 | WO1991015565A1 Improved aqueous degreaser compositions |
| 10/09/1991 | CN1014253B Method for improving permeability of oil-well strata and its solvent |
| 10/02/1991 | EP0449030A2 Process for annealing steel material |
| 10/01/1991 | US5052421 Treatment of aluminum with non-chrome cleaner/deoxidizer system followed by conversion coating |
| 09/25/1991 | EP0448189A2 Pickling process for work-pieces of high-alloy materials and apparatus for carrying out the process |
| 09/24/1991 | US5051197 Aminopolycarboxylic acids and salts with organosilicone compounds for scale removal in wells |
| 09/24/1991 | US5051186 Extraction of solutions with an organic solvent followed by stripping |
| 09/22/1991 | WO1991014655A1 Process for the treatment of an aqueous solution containing mainly nitric and hydrofluoric acids |
| 09/19/1991 | WO1991014019A2 Process and device for regenerating alkaline solutions for pickling aluminium |