Patents for C25F 5 - Electrolytic stripping of metallic layers or coatings (699)
06/1991
06/27/1991DE4023466C1 Electrical coating of steel strip - using zinc on zinc-nickel alloy then treating strip as anode in electrolyte soln.
06/05/1991EP0430623A2 Non-cyanide electrode cleaning process
03/1991
03/19/1991US5000828 Process for producing one-side electrogalvanized steel sheet with distinguished susceptibility to phosphate salt treatment and distinguished appearance on the non-electrogalvanized side
03/06/1991EP0415131A2 Forming a pattern on a substrate
03/06/1991EP0415130A1 Method to eliminate the filling in wrought hollow gold and wrought hollow gold thus processed
01/1991
01/30/1991EP0410955A1 Process for one side electroplating of flat workpieces
01/25/1991CA2021654A1 Process for electrolytical coating
12/1990
12/04/1990US4975163 Electrochemical refractory metal stripper and parts cleaning process
11/1990
11/14/1990EP0396921A1 Process for producing one-side electrogalvanized steel sheet
11/07/1990EP0395813A1 Electrolytic method of and bath for stripping coatings from aluminum bases
11/06/1990US4968397 Non-cyanide electrode cleaning process
07/1990
07/25/1990EP0221187B1 Method of dissolving and recovering noble metals
05/1990
05/29/1990US4929323 Apparatus for removing electroplating metal deposited onto surface of conductor roll
05/15/1990US4925539 Metal fibers obtained by bundled drawing
03/1990
03/27/1990US4912278 Friedel-Crafts reactions
01/1990
01/16/1990US4894136 Electrolytic treatment of a surface
01/16/1990US4894130 Process for electrolytically detaching a protective coating from a base metal superalloy
12/1989
12/12/1989US4886588 Using heated aqueous solution of soluble salt of hydroxy acid, alkali metal carbonate, corrosion inhibitor
10/1989
10/18/1989EP0337517A1 Metal fibers obtained by bundled drawing
08/1989
08/08/1989US4855021 Method for electroplating a steel strip with a coating metal, in particular zinc or a zinc-containing alloy
07/1989
07/26/1989EP0202311B1 Electrolytic reduction of cobaltic amine
07/25/1989US4851093 Selective decomposition of a chromium carbide coating from a chromium carbide coated nickel alloy substrate
07/11/1989CA1257223A1 Electrochemical removal of chromium from chlorate solutions
06/1989
06/29/1989WO1989005875A1 Apparatus for removing plating metal deposited on conductor roll surface
06/07/1989EP0318886A1 Process for the electrolytic stripping of a protective coating, having a high content of chromium and nickel and/or cobalt, from the substrate of an object made of a superalloy
05/1989
05/09/1989US4828662 Electrolytic stripping of cobalt
03/1989
03/08/1989EP0305704A2 Process for electroplating a metal, particularly zinc or a zinc alloy, on a steel strip
01/1989
01/31/1989US4801511 Battery cell electrolyte
01/04/1989CN1030102A Electrolytic removal of plated copper and nickel layer from iron base articles in ammonium bicarbonate solution
12/1988
12/28/1988CA1247553A Purifying mixed-cation electrolyte
11/1988
11/17/1988EP0291161A1 Electrolytic treatment of a surface
10/1988
10/04/1988US4775452 Process for dissolution and recovery of noble metals
07/1988
07/20/1988EP0274805A1 Acid catalysts and methods of use
07/05/1988US4755265 Processes for the deposition or removal of metals
02/1988
02/03/1988CN85102657B Electrical polishing process of surface of cu-zn alloy
01/1988
01/19/1988US4720332 Nickel strip formulation
12/1987
12/15/1987CA1230312A1 Electrolytically removing metal deposit from non-plated surface of metal strip
10/1987
10/28/1987EP0242583A1 Selective electrolytic stripping of metal coatings from base metal substrates
08/1987
08/11/1987US4686017 Depositing or removing a metal
07/1987
07/07/1987US4678552 Alkanesulfonic acid electrolyte
06/1987
06/24/1987EP0225888A1 Process for stripping nickel or nickel-iron alloy plating in a chromic acid solution
05/1987
05/13/1987EP0221187A1 Method of dissolving and recovering noble metals
05/12/1987US4664763 Electrolysis
03/1987
03/03/1987US4647352 Stripping composition and process for selective removal of electroless applied nickel
12/1986
12/23/1986CA1215673A1 Electrolytic stripping bath and process
11/1986
11/20/1986WO1986006763A1 Process for stripping nickel or nickel-iron alloy plating in a chromic acid solution
11/06/1986WO1986006418A1 Method of dissolving and recovering noble metals
08/1986
08/19/1986US4606797 Method for recovery of high grade gold alloy from karat gold-clad base metal substrates
08/06/1986CN85102657A Electrical polishing process of surface of cu-zn alloy
08/06/1986CN85100195A Method for removing the plating on zinc base alloys
07/1986
07/15/1986US4600483 Electrolytic reduction of cobaltic ammine
06/1986
06/05/1986WO1986003230A1 Electrolytic reduction of cobaltic amine
10/1985
10/22/1985US4548685 Immersion in sodiumhydrogen phosphate electrolyte
10/01/1985US4544463 Method for producing equiaxed iron or iron alloy particles
09/1985
09/10/1985US4540477 Apparatus for producing acicular or equiaxed iron or iron alloy particles
09/03/1985US4539087 Method for electrolytic removal of galvanic nickel, chromium or gold layers from the surface of a copper or copper alloy base and apparatus for carrying out the method
05/1985
05/02/1985EP0139039A1 Stripping bath and process for the electrolytical stripping of metals from titanium as a base metal
04/1985
04/24/1985EP0138004A2 Process for electrolytically removing metal deposit from a non-plated surface of a single surface-plated metal strip
08/1984
08/14/1984US4465264 Apparatus for producing acicular iron or iron alloy particles
08/07/1984US4464232 Zinc-iron alloy
07/1984
07/31/1984CA1171816A1 Electrolytic stripping bath and process
07/24/1984US4461685 Method for producing acicular iron or iron alloy particles
03/1984
03/27/1984US4439289 Process for removal of magnetic coatings from computer memory discs
11/1983
11/08/1983CA1156600A1 Removal of platinum by alloying with electrolytic sodium
10/1983
10/25/1983CA1155795A1 Electrolytic stripping bath and process
09/1983
09/13/1983US4404074 Electrolytic stripping bath and process
08/1983
08/23/1983US4400248 Electrolytic stripping process
08/02/1983CA1151102A1 Electrochemical removal of surface copper from aluminum foil
06/1983
06/28/1983CA1148891A1 Method of electroplating and treating electroplated ferrous based wire
03/1983
03/02/1983EP0073186A1 Method of pickling zinc from zinc-coated iron or steel and for the recovery of the pickled zinc
10/1982
10/26/1982US4356069 Chromic acid, hydrogen peroxide, water, and sulfuric acid to remove chromium or nickel from metal; reverse electrolysis; deplating
09/1982
09/14/1982US4349423 Process for decomposing hard metal scrap
04/1982
04/13/1982US4324626 Electrochemical etching
09/1981
09/01/1981US4287033 Electrochemical method for removing metallic sheaths
07/1981
07/28/1981CA1105878A1 Method for stripping tungsten carbide from titanium or titanium alloy substrates
06/1981
06/02/1981CA1102278A1 Cathode stripping system
04/1981
04/28/1981US4264420 Comprising a halogen compound, an inorganic nitrate or an organic amine, glucoheptonic and/or malic acid or their salts, and a thiocyanate or an oxalate; high speed
04/28/1981US4264419 Electrochemical detinning of copper base alloys
04/21/1981US4263113 Low-voltage anodization
04/14/1981US4261804 Electrochemical etching of nickel-based alloy at voltage which doesn't etch ferrous-based alloy
02/1981
02/17/1981US4251328 Deplating, with an electroplating brush
01/1981
01/20/1981US4246083 Electrolytical formation of sodium, alloying with platinum
11/1980
11/18/1980US4234397 Nondestructive metallographic examination of gas turbine components
11/11/1980US4233124 Electrolytic stripping bath and process
12/1979
12/12/1979EP0005877A2 Process for decomposing hard metal scrap
07/1979
07/17/1979US4161434 Method for separating trialuminum nickelide fibers from an aluminum matrix
07/10/1979US4160703 Nonplating cathode and method for producing same
05/1979
05/22/1979US4155816 Deplating
03/1979
03/20/1979US4145267 Nonplating cathode and method for producing same
03/06/1979US4142954 Immersion in solutionizing electrolyte for silver brazing alloy
12/1978
12/05/1978US4128463 Method for stripping tungsten carbide from titanium or titanium alloy substrates
09/1978
09/05/1978US4111767 Electrolytic stripping bath for removing metal coatings from stainless steel base materials
07/1978
07/04/1978US4098659 Electrochemical milling process to prevent localized heating
05/1978
05/23/1978US4090935 Electrolytic refining
03/1978
03/14/1978US4078980 Electrolytic chromium etching of chromium-layered semiconductor
06/1976
06/08/1976USRE28849 Surface preparation process for recoating of used coated metallic electrodes
05/1976
05/25/1976US3959099 Electrolytic method of producing one-side-only coated steel
03/1976
03/09/1976US3943043 Apparatus for or selective dissolution or detection of predetermined metals
01/1976
01/20/1976US3933615 Fluid flow stripping and plating system
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