| Patents for C25F 5 - Electrolytic stripping of metallic layers or coatings (699) |
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| 07/18/2001 | EP0996775A4 Process for dezincing galvanized steel |
| 07/18/2001 | EP0996774A4 Process for dezincing galvanized steel using an electrically isolated conveyor |
| 07/10/2001 | US6258248 Galvanized steel is immersed in electrolyte containing sodium or potassium hydroxide to galvanically corrode zinc from surface of steel; conveying steel scrap through electrolyte with conveyor which is electrically isolated from ground |
| 05/16/2001 | EP1099010A2 Method for recovering precious metals |
| 04/25/2001 | EP1094134A1 Electrochemical system and process for stripping metallic coatings |
| 04/04/2001 | EP0993513A4 Impedance-assisted electrochemical technique and electrochemistry for removing material, particularly excess emitter material in electron-emitting device |
| 04/03/2001 | US6210548 Apparatus for partially removing plating films of leadframe |
| 03/08/2001 | WO2001016404A1 Method for enhanced selective plating of non-uniform objects by lowering the distribution factor |
| 03/07/2001 | EP1081252A1 Selective plating method |
| 03/07/2001 | EP1080254A1 Method for removing a hard material layer deposited on a hard metal work piece, and a fixing device for at least one work piece |
| 01/23/2001 | US6176999 Immersing the airfoil in the electrochemical acid bath of hydrochloric or nitric acid for a desired period of time to remove the coating from airfoil while maintaining controlled electric potential with respect to a reference electrode |
| 01/02/2001 | CA2178776C Method and apparatus for automated stripping of zinc sheets from aluminum cathode base plates |
| 12/26/2000 | US6165345 Electrochemical stripping of turbine blades |
| 12/14/2000 | WO2000075404A1 Electrolytic removing agent for silver and method for electrolytic removing |
| 08/02/2000 | CN1055141C Method for electrolytic deplating nickel layer and copper-nickel-chromium layer on metal surface |
| 07/20/2000 | WO2000042242A1 Electrochemical stripping of turbine blades |
| 06/21/2000 | EP1010782A1 Feedback controlled electrochemical stripping of gas turbine airfoils |
| 06/15/2000 | WO2000001863A3 Method for recovering precious metals |
| 05/03/2000 | EP0996775A1 Process for dezincing galvanized steel |
| 05/03/2000 | EP0996774A1 Process for dezincing galvanized steel using an electrically isolated conveyor |
| 05/02/2000 | US6056869 Electrolytic deplating of metal from side edges and backside of semiconductors |
| 04/19/2000 | EP0993513A1 Impedance-assisted electrochemical technique and electrochemistry for removing material, particularly excess emitter material in electron-emitting device |
| 04/04/2000 | US6045686 Selectively removing interior tin coatings from food and beverage can without dissolving the steel and removing the outside polymer coating by applying current to a circuit where the can is the anode and a counter electrode the cathode |
| 03/29/2000 | EP0989210A1 METHOD OF REMOVING Ti FILM AND APPARATUS THEREFOR |
| 02/29/2000 | US6030519 Electrode pad for debonding paint from a metal substrate |
| 01/13/2000 | WO2000001863A2 Method for recovering precious metals |
| 01/05/2000 | DE19829274A1 Verfahren zur Rückgewinnung von Edelmetallen A process for the recovery of precious metals |
| 11/16/1999 | US5985127 Removing erosion shield using electrochemical process, including providing electric field between metallic component and electrode in the presence of electrolyte |
| 11/04/1999 | WO1999055939A1 Process for dezincing galvanized steel |
| 11/04/1999 | WO1999055938A1 Process for dezincing galvanized steel using an electrically isolated conveyor |
| 10/28/1999 | WO1999054528A1 Method for removing a hard material layer deposited on a hard metal work piece, and a fixing device for at least one work piece |
| 10/20/1999 | EP0871787B1 Electrochemical processing method for catalyst substrates containing noble metals for the recovery thereof |
| 09/28/1999 | CA2109708C Electrode for electrolyte cell, use thereof and process |
| 08/19/1999 | WO1999041435A1 METHOD OF REMOVING Ti FILM AND APPARATUS THEREFOR |
| 06/09/1999 | EP0580730B2 Electrode for an electrolytic cell, use thereof and method using same |
| 02/18/1999 | DE19735174A1 Galvanic reconditioning of black chromated die castings consisting of magnesium alloys |
| 02/18/1999 | DE19735123A1 Electrolytic re-treatment of defective black chromium plated magnesium alloy die castings |
| 02/03/1999 | CN1206754A Process for stripping/coating conductive material and device thereof |
| 01/19/1999 | US5861091 Process for electrochemically dissolving a metal such as zinc or tin |
| 01/07/1999 | WO1999000537A1 Impedance-assisted electrochemical technique and electrochemistry for removing material, particularly excess emitter material in electron-emitting device |
| 01/05/1999 | US5855765 Immersion in electrolyte |
| 12/10/1998 | DE19723793A1 De-tinning of flat copper material for tin and copper recovery |
| 10/22/1998 | DE19715981A1 Recovery of platinum-metal compounds from catalysts with carriers |
| 10/21/1998 | EP0871787A1 Electrochemical processing method for catalyst substrates containing noble metals for the recovery thereof |
| 09/29/1998 | CA2027656C Galvanic dezincing of galvanized steel |
| 09/24/1998 | WO1998041677A1 Method and apparatus for electrochemical delacquering and detinning |
| 09/24/1998 | CA2290572A1 Method and apparatus for electrochemical delacquering and detinning |
| 09/16/1998 | CN1039857C Process for producing molded bodies from precursors of oxidic high temp. super conductors |
| 08/18/1998 | CA2038537C Power assisted dezincing of galvanized steel |
| 08/18/1998 | CA2000069C Electrolytic method of and bath for stripping coatings from aluminum bases |
| 08/04/1998 | US5788824 Cleaning, picking, brightening surface; electroplating with nickel, removing, elctroplating again |
| 07/22/1998 | EP0854208A1 Method of and apparatus for removing a metallic erosion shield from attachment to a helicopter rotor blade |
| 07/21/1998 | US5783062 Process for the treatment, by an electrochemical route, of compositions containing precious metals with a view to their recovery |
| 07/14/1998 | US5779878 Immersing galvanized steel in aqueous electrolyte containing sodium or potassium hydroxide, galvanically corroding zinc from surface of steel which has been pretreated to accelerate corrosion rate |
| 07/01/1998 | CN1186127A Electrolytic silver stripping agent in lead frame manufacturing process |
| 02/18/1998 | CN1173553A Method and apparatus for automated stripping of zinc sheets from aluminum cathode base plates |
| 01/21/1998 | CN1170781A Process for conditioning copper or copper-alloy external surface of element of mould for continuous casting of metals |
| 01/08/1998 | DE19635039C1 Continuous recovery of copper@ from used circuit boards |
| 12/23/1997 | CA2053784C Electrolytic process for stripping a metal coating from a titanium based metal substrate |
| 11/12/1997 | CN1164581A Application of dilute chromic acid solution in electrolytic deplating process |
| 10/15/1997 | EP0801154A1 Process for conditioning the copper or copper alloy external surface of a continuous casting mould comprising a nickel plating step and a nickel removing step |
| 07/30/1997 | EP0516757B1 Electrolytic removal of tin oxide from a coater |
| 06/17/1997 | US5639360 For plating or deplating of metal strips; enclosure includes ion permeable membrane |
| 05/07/1997 | EP0771370A1 Process for electrochemically dissolving a metal such as zinc or tin |
| 02/20/1997 | WO1997006282A1 Electrochemical processing method for catalyst substrates containing noble metals for the recovery thereof |
| 02/14/1996 | EP0584168B1 Etching process |
| 02/01/1996 | WO1996002689A1 Process for electrochemically dissolving a metal such as zinc or tin |
| 02/01/1996 | CA2195460A1 Process for electrochemically dissolving a metal such as zinc or tin |
| 01/30/1996 | US5487820 Process for removing lead dioxide residues |
| 07/19/1995 | EP0580730B1 Electrode for an electrolytic cell, use thereof and method using same |
| 06/28/1995 | EP0659908A1 Process for removing residual lead dioxide |
| 02/22/1995 | CN2190116Y Electrochemically decomposer for composite metal fibers bunch |
| 01/10/1995 | US5380408 Cutting tools |
| 06/07/1994 | US5318677 Process and solutions for removing resin bleed from electronic components |
| 04/12/1994 | US5302261 Power assisted dezincing of galvanized steel |
| 04/12/1994 | US5302260 Galvanic dezincing of galvanized steel |
| 03/02/1994 | EP0584168A1 Etching process. |
| 02/02/1994 | EP0580730A1 Electrode for an electrolytic cell, use thereof and method using same. |
| 11/17/1993 | CN1078506A Film-removing technology and apparatus for coated glass |
| 10/05/1993 | US5250507 Process for producing molded bodies from precursors of oxidic high-temperature superconductors |
| 07/13/1993 | US5227036 Electrolytic removal of tin oxide from a coater |
| 04/20/1993 | USRE34227 Non-cyanide electrode cleaning process |
| 04/13/1993 | US5202003 Nondestructive dissolving of coating materials from equipment surfaces |
| 03/04/1993 | DE4128476A1 Removal of metal film from an electrically-conductive film - by using the metal as an anode in an electrolysis bath |
| 02/16/1993 | US5186797 Electrolytic deflash system for removing bleed from the lead frame of an encapsulated electronic component |
| 02/04/1993 | WO1992021794A3 Electrode for an electrolytic cell, use thereof and method using same |
| 12/10/1992 | WO1992021794A2 Electrode for an electrolytic cell, use thereof and method using same |
| 12/10/1992 | WO1992021792A1 Method and apparatus for continuously preparing a steel strip having an electrolytically deposited coating layer |
| 11/26/1992 | WO1992020841A1 Etching process |
| 06/16/1992 | US5122439 Forming a pattern on a substrate |
| 04/29/1992 | EP0482565A2 Electrolytic process for stripping a metal coating from a titanium based metal substrate |
| 03/24/1992 | US5098534 Succinimide and phthalimide with alkali metal hydroxide for stripping silver |
| 03/04/1992 | CN1059228A Process for producing molded bodies from precursors of oxidic high temp. super conductors |
| 02/26/1992 | EP0471975A2 Process for producing bodies from preforms of oxide high temperature superconductors |
| 02/18/1992 | CA2048011A1 Process for producing molded bodies from precursors of oxidic high-temperature superconductors |
| 01/14/1992 | CA1294238C Selective electrolytic removal of metal coating from base metal with alkanesulfonic acid solution |
| 12/10/1991 | US5071713 Metal fibers obtained by bundled drawing |
| 11/05/1991 | US5062941 Electrolytic process for stripping a metal coating from a titanium based metal substrate |
| 09/05/1991 | WO1991013191A1 Electrolytic removal of tin oxide or titanium nitride from a coater |
| 09/05/1991 | CA2075943A1 Electrolytic removal of tin oxide or titanium nitride from a coater |