| Patents for C23G 1 - Cleaning or pickling metallic material with solutions or molten salts (8,361) |
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| 12/07/1994 | CN1096010A High-efficient cleaning agent for cooling water system of vehicle |
| 12/06/1994 | US5370726 Iron oxide and aluminum |
| 11/30/1994 | EP0626470A1 Process and device for cleaning aluminium chips |
| 11/30/1994 | EP0626469A1 Tickling process for high-alloyed workpieces |
| 11/30/1994 | EP0625957A1 Acid regeneration |
| 11/30/1994 | EP0411061B1 Fe-Mn-Al-C ALLOYS AND THEIR TREATMENT |
| 11/30/1994 | CN1095694A Automobile radiator descaling cleaning agent |
| 11/30/1994 | CN1095693A Method of cleaning waste water and recovery of contaminants therefrom |
| 11/30/1994 | CN1026802C Prepn. of nonphosphate water-base detergent by using colombic acid mother liquid |
| 11/23/1994 | CN1095410A Cleaning composition |
| 11/17/1994 | DE4315551A1 Process for regenerating exhausted metal-salt- and/or metal-oxide-containing solutions, in particular mixed acids |
| 11/16/1994 | CN1026598C Technology of steel derusting and passivating |
| 11/15/1994 | US5364549 Hydrogen peroxide solutions |
| 11/08/1994 | US5361789 Washing/drying method and apparatus |
| 11/08/1994 | US5361788 Apparatus for descaling metal strip |
| 11/02/1994 | EP0457859B1 Hydrogen peroxide solutions |
| 11/01/1994 | US5360488 Method of cleaning and maintaining water distribution pipe systems |
| 10/27/1994 | WO1994024050A2 Method of purifying soluions containing alkali-metal aluminates |
| 10/18/1994 | US5356482 Removing benzene; vaporization, steaming, extraction; safe entry for human inspection |
| 10/13/1994 | WO1994022601A1 Methods and fluids for removal of contaminants from surfaces |
| 10/13/1994 | WO1994015001A3 Method for dissolving oxides deposited on a metal substrate |
| 10/12/1994 | CN1026187C High-efficiency grease stain and scale cleaning agent |
| 10/11/1994 | US5354383 A bath of sulfuric acid, a ferric compound, hydrofluoric acid, stabilized hydrogen peroxide, nonionic surfactant, an acid acceptor and an air flow; sludge-free; versatility |
| 10/05/1994 | CN1093125A Corrosion-inhibiting fog-depressant for iron and steel and its processing method |
| 10/04/1994 | US5352296 The use of selected hydrated sodium and/or potassium silicates permits extended permeation through membrane prior to blockage |
| 09/29/1994 | WO1994021865A1 Method of cleaning and maintaining potable water distribution pipe systems |
| 09/29/1994 | WO1994021769A1 Alkyl glucoside, its use for cleaning purposes, and cleaning composition |
| 09/29/1994 | WO1994021655A1 Alkyl glucoside and use thereof |
| 09/29/1994 | CA2157301A1 Alkyl glycoside, its use for cleaning purposes, and cleaning composition |
| 09/28/1994 | EP0617144A1 Acidic cleaning aqueous solution for aluminum and aluminum alloy and process for cleaning the same |
| 09/28/1994 | CN1092823A Manufacture of anode foil used in aluminium electrolytic capactiance |
| 09/27/1994 | CA2110364A1 Metal cleaner composition and method |
| 09/21/1994 | EP0616343A2 Method of manufacturing anode foil for aluminium electrolytic capacitors |
| 09/21/1994 | EP0616051A1 Cleaning process |
| 09/21/1994 | CN1092512A Lining cable for pipe lining |
| 09/20/1994 | US5348675 Heteropolysaccharide BM07 |
| 09/20/1994 | US5348628 Method of treating salt bath liquid |
| 09/20/1994 | US5348588 Evaporative treatment of inorganic saponifier wash water |
| 09/18/1994 | CA2119722A1 Non-toxic organic corrosion inhibitor |
| 09/16/1994 | CA2118829A1 Cleaning process |
| 09/08/1994 | DE4306645A1 Method for cleaning, sterilising and implanting substrates by means of a high-energy compressed fluid |
| 09/07/1994 | EP0613736A1 Coating system for coating a hot rolled strip material |
| 09/07/1994 | EP0613398A1 Process, medium and device for electrodialytically regenerating the electrolyte of a galvanic bath or the like. |
| 09/07/1994 | EP0447448B1 Method for purification of acids from materials comprising acid and salt |
| 09/06/1994 | US5344572 Method for treating waste pickle liquor |
| 09/01/1994 | DE4306104A1 Method for purifying amines |
| 08/31/1994 | EP0612863A1 Reducing agent regeneration system and method |
| 08/31/1994 | EP0612263A1 Removal of hydrocarbons, cooling lubricants and/or oils from the surface of fine particles. |
| 08/31/1994 | EP0458948B1 Peroxide composition for removing flux residue and method of using same |
| 08/30/1994 | US5342450 Chelation |
| 08/24/1994 | CN1091161A High-efficiency oil and rust removing agent for metal surface |
| 08/23/1994 | US5340505 Dissolving surface using a reagent of fluoroboric acid with an addition of atleast one oxidizing agent, using contaminated solution as electrolyte, depositing metal or metal oxide at anode and cathode, decontaminating the solution for reuse |
| 08/23/1994 | US5340411 Chemial reducing the oxide of tin-lead alloys with dopes cadmium, indium and antimony by immersing in an etching acidic chloride or nitrate solution |
| 08/18/1994 | WO1994003651A3 Method, apparatus and salt for descaling metal strip |
| 08/18/1994 | DE4402185A1 Verfahren und Vorrichtung zum Reinigen von Entfettungsmitteln Method and apparatus for cleaning degreasers |
| 08/18/1994 | DE4304735A1 Method for cleaning contaminated pipes, especially those polluted with heavy metal |
| 08/17/1994 | EP0610505A1 Wash waste liquid regenerating method, wash waste liquid regenerating apparatus, washing method and washing apparatus |
| 08/17/1994 | EP0610477A1 Method, apparatus and salt for descaling metal strip. |
| 08/16/1994 | US5338367 Controlling redox potential |
| 08/10/1994 | EP0609342A1 Composition for stabilizing inorganic peroxide solutions. |
| 08/09/1994 | US5336425 Mineral acid, nitrate ions or hydrogen peroixde and ferric ions |
| 08/03/1994 | EP0497790B1 Alkyl polyethyleneglycol ethers as foam-inhibiting additives in cleaning agents |
| 08/03/1994 | CN1090339A Multifunctional pickling agent for stainless steel |
| 08/02/1994 | US5334332 Mixture of hydroxylamine, alkanolamine and chelate compound |
| 08/02/1994 | US5333629 Apparatus for cleaning metal articles |
| 07/26/1994 | US5332446 Method for continuous pickling of steel materials on a treatment line |
| 07/21/1994 | WO1994016047A1 Detergent compositions |
| 07/19/1994 | US5330558 Method for removing chromium containing coatings from aluminum substrates |
| 07/13/1994 | CN2171600Y 液面覆盖球 Ball surface coverage |
| 07/13/1994 | CN1089310A Rust-removing and antirusting agent |
| 07/12/1994 | US5328518 Method for separating components of liquids in industrial process |
| 07/07/1994 | WO1994015001A2 Method for dissolving oxides deposited on a metal substrate |
| 07/06/1994 | EP0604698A2 Process for vessel decontamination |
| 07/05/1994 | US5326490 Cleaning solution, fluoroalkylsulfonamide surfactant |
| 07/05/1994 | US5326408 Rapidly dissolving and storage stable titanium phosphate containing activating composition |
| 06/29/1994 | EP0603763A1 Use of easily removable inhibitors in pickling acids |
| 06/28/1994 | US5324496 Recovering abrasive grit by dissolving metal in nitric acid medium in closed container with oxidizing atmosphere |
| 06/22/1994 | EP0602758A1 Process and apparatus for desludging acids |
| 06/15/1994 | CN1025053C Treatment technology for cold-rolled waste chlorhydric acid |
| 06/14/1994 | US5320758 Method of recycling amine saponifiers used in cleaning electronic circuit boards |
| 06/14/1994 | US5320756 Method of treating aqueous alkaline effluents derived from cleaning electronic circuit assemblies |
| 06/14/1994 | US5320737 Treatment to reduce solder plating whisker formation |
| 06/09/1994 | WO1994012689A1 Process for removing corrosion products from a metal surface and a compound for carrying out the same |
| 06/09/1994 | WO1994012606A1 Iminodiacetic acid derivates used in cleaning compositions for the beverage and food industry, and for hard metallic, plastic, lacquered or glass surfaces |
| 06/09/1994 | DE4240697A1 Iminodiacetic acid derivs. from use as complexing agents or builders - in technical hard surface cleaners, have high calcium binding capacity and can be formulated without organic solvent |
| 06/09/1994 | DE4240695A1 Iminodiacetic acid derivs. for use as complexing agents or builders - in aq. cleaning compsns. for the food and beverage industries, have high calcium binding capacity and can be formulated without organic solvent |
| 06/08/1994 | EP0599903A1 Hydrofluoric acid compositions. |
| 06/08/1994 | CN1087686A Process and aqueous composition for degreasing metal surface |
| 06/01/1994 | DE4317815C1 Process and device for cleaning aluminium@ turnings - contaminated with oils and solids by washing in specified cleaning agent at relatively low temp., recovering turnings and reprocessing cleaning agent for reuse |
| 05/26/1994 | WO1994011884A1 Removal of radioactive or heavy metal contaminants by means of non-persistent complexing agents |
| 05/25/1994 | CN1087134A Quick-acting film stripping agent |
| 05/25/1994 | CN1087133A Treating agent for coating surface of bottom material and treating process thereof |
| 05/24/1994 | CA1329752C Corrosion control |
| 05/18/1994 | CN1086854A 固体除锈剂 Solid Rust |
| 05/17/1994 | US5312562 Aqueous electronic circuit assembly cleaner and method |
| 05/11/1994 | WO1994010276A1 Method and composition for degreasing the surface of an object |
| 05/11/1994 | EP0596273A1 Product for pickling surfaces of chromium-nickel steel or chromium steel and its use |
| 05/11/1994 | CA2147993A1 Method and composition for degreasing the surface of an object |
| 05/04/1994 | EP0595686A1 Process for pickling steel materials |
| 05/03/1994 | US5308402 Activators of amines or esters for removal of flux |