| Patents for C25F 3 - Electrolytic etching or polishing (4,256) |
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| 06/01/1982 | US4332652 AC Etching of aluminum capacitor foil |
| 06/01/1982 | US4332651 AC Etching of aluminum capacitor foil |
| 05/25/1982 | US4331515 Voltage is applied to polish edge by dissolving |
| 05/18/1982 | US4330381 Method for containerless portable electro-polishing |
| 05/04/1982 | US4328087 Floating support |
| 04/28/1982 | EP0050343A1 Molybdenum coated with a noble metal and process for its production |
| 04/27/1982 | US4326933 Electro-chemical deburring method |
| 04/20/1982 | US4325778 High capacity etching process |
| 04/13/1982 | US4324626 Electrochemical etching |
| 03/16/1982 | US4319972 AC Etching of aluminum capacitor foil |
| 02/16/1982 | US4315806 Alternating current electrolysis |
| 02/02/1982 | CA1117467A1 Preparation of anodes by nickel plating and activation in a nickel sulphate and thiosulphate bath |
| 01/26/1982 | CA1116837A1 Method for making an air cooled combustor |
| 12/22/1981 | US4306951 Electrochemical etching process for semiconductors |
| 12/09/1981 | EP0041101A1 A method of electrochemically etching a semiconductor wafer |
| 12/08/1981 | CA1113701A1 Guarded razor blade |
| 12/01/1981 | US4303482 Apparatus and method for selective electrochemical etching |
| 11/17/1981 | US4301229 Electrolytically grained aluminum support for making a lithographic plate and presensitized lithographic printing plate |
| 11/17/1981 | CA1112604A1 Automatic device for electrolytic processing |
| 11/10/1981 | CA1112205A1 Method of and apparatus for electrochemically processing metallic surfaces |
| 10/27/1981 | US4297184 Alternating current having a preferential wave shape; high capacitance |
| 10/21/1981 | EP0037876A2 Electrochemical eroding process for semiconductors |
| 10/13/1981 | US4294672 Electrolytic etched aluminum plate |
| 10/13/1981 | CA1110577A1 Process and apparatus for electrolytic etching |
| 10/13/1981 | CA1110576A1 Electrocleaning process |
| 09/30/1981 | EP0036672A1 Process for preparing lithographic printing plate bases |
| 09/29/1981 | US4292148 Post-treatment of etched aluminum capacitor foil |
| 09/16/1981 | EP0035730A2 Process for modifying the surface of aluminium printing-plate carrier materials, and process for producing printing plates from these materials |
| 09/15/1981 | CA1109020A1 Printing plates |
| 09/01/1981 | US4287033 Electrochemical method for removing metallic sheaths |
| 09/01/1981 | CA1108089A1 Method for the electrochemical processing of metal surfaces |
| 08/11/1981 | US4283259 Method for maskless chemical and electrochemical machining |
| 07/28/1981 | CA1105878A1 Method for stripping tungsten carbide from titanium or titanium alloy substrates |
| 07/21/1981 | US4279715 Etching of aluminum capacitor foil |
| 07/21/1981 | US4279714 Alternating current electrolysis |
| 06/30/1981 | US4276129 Method for producing foil electrodes for electrolytic capacitor |
| 06/09/1981 | US4272342 Of aluminum plate |
| 05/26/1981 | US4269679 Process for engraving metal plates to be used as patterns for texturized products |
| 05/26/1981 | US4269677 Using an electrolytic bath of an alkaline aqueous solution of a polyhydric alcohol and an alkali sulfamate |
| 05/19/1981 | US4268374 High capacity sputter-etching apparatus |
| 05/06/1981 | EP0028082A1 Treatment of semiconductor materials and their use as electrodes in photoelectrochemical cells |
| 04/14/1981 | US4261804 Electrochemical etching of nickel-based alloy at voltage which doesn't etch ferrous-based alloy |
| 02/10/1981 | CA1095456A1 Electropolishing aluminum and aluminum alloys |
| 02/03/1981 | US4248683 With protective coatings |
| 01/27/1981 | US4247378 Electrobrightening of aluminium and aluminium-base alloys |
| 01/27/1981 | US4247377 Method for electrolytic etching |
| 01/27/1981 | CA1094502A1 Electrolytically etching masked gold layer without exceeding the chemical etching rate |
| 01/21/1981 | EP0022476A1 Method for high polishing by zones of large steel surfaces |
| 01/07/1981 | EP0020956A1 Apparatus for the zonal electropolishing |
| 12/23/1980 | US4240888 Suspension of carbon or graphite powders in electrolyte, dissolved vanadium compound |
| 11/26/1980 | EP0019607A1 Process for sharpening or grinding blades |
| 11/26/1980 | EP0019064A1 Chemical or electrochemical process for selectively removing material |
| 11/25/1980 | CA1090289A1 Process for electrolytic graining of aluminum sheet |
| 11/25/1980 | CA1090288A1 Process for electrolytic graining of aluminum sheet |
| 11/18/1980 | US4234397 Nondestructive metallographic examination of gas turbine components |
| 11/12/1980 | EP0018556A1 Apparatus and process for selective electrochemical etching |
| 11/11/1980 | US4233123 Using photoresist |
| 10/28/1980 | US4230758 Fluorine resin coated structure of aluminum or aluminum alloy |
| 10/21/1980 | US4229269 Spray cell for selective metal deposition or removal |
| 10/07/1980 | US4226686 Photoresists, electrochemical machining |
| 09/16/1980 | US4222834 Selectively treating an article |
| 09/02/1980 | US4220509 Electrolyte for electrochemical polishing of articles made of titanium and titanium alloys |
| 09/02/1980 | US4220508 Supporting aluminum or alloy thereof with a dielectric frame |
| 08/12/1980 | US4217190 Method and apparatus for electrochemically finishing airfoil edges |
| 07/29/1980 | US4214960 Method of electrolytically etching ferrite |
| 07/29/1980 | US4214952 Anodizing, bubbling |
| 07/22/1980 | US4213835 Method for electrolytically etching of a recrystallized aluminum foil |
| 07/08/1980 | US4211006 Guarded razor blade |
| 06/24/1980 | CA1080152A1 Electrochemical finishing of stainless steel |
| 06/11/1980 | EP0011801A1 Process for electrochemically machining metal surfaces |
| 06/03/1980 | US4206028 Electrochemical polishing system |
| 06/03/1980 | CA1078777A1 Production of perforated metal foil |
| 05/27/1980 | US4204924 Machined, degreased and electrochemically etched |
| 04/15/1980 | US4198278 Method for producing anode aluminum foils for electrolytic condensers |
| 03/25/1980 | US4194954 Oxidation of surface, dissolving oxide |
| 03/18/1980 | US4193853 Decontaminating metal surfaces |
| 02/26/1980 | US4190513 Apparatus for containerless portable electro-polishing |
| 02/12/1980 | US4188310 Cyclization, decarboxylation, reduction, perfumes |
| 01/22/1980 | US4184932 Electropolishing process |
| 12/12/1979 | EP0005877A2 Process for decomposing hard metal scrap |
| 10/30/1979 | US4172772 Printing plates |
| 10/17/1979 | EP0004615A1 Method and device for examining finely etched objects |
| 10/02/1979 | CA1063549A1 Polishing large cylindrical vessels or tanks with closed ends |
| 09/25/1979 | US4169027 Method of electrochemically processing the surface of a workpiece of molybdenum or of an alloy containing a high proportion of molybdenum |
| 09/25/1979 | US4169026 Etchant for electrolytic etching of a ferrite for a magnetic head and method of producing a magnetic head |
| 09/04/1979 | US4166782 Method of anodically leveling semiconductor layers |
| 08/28/1979 | US4166015 Agitating in aqueous electrolyte containing aluminum chloride or nitrate |
| 08/14/1979 | CA1060378A1 Method for the electrolytic polishing of the inside surface of hollow niobium bodies |
| 08/07/1979 | US4163701 Method of electrochemical machining of polyphase alloys |
| 07/31/1979 | US4162952 Apparatus for electrolysis by projection |
| 07/25/1979 | EP0003125A1 Process for the electrolytic etching of a recrystallised aluminium foil and its application |
| 07/17/1979 | US4161434 Method for separating trialuminum nickelide fibers from an aluminum matrix |
| 06/19/1979 | CA1056762A1 Corrosion and abrasion resistant aluminum and aluminum alloy plates particularly useful as support members for photo-lithographic plates and the like |
| 05/29/1979 | US4156637 Method for electro-processing large vessels |
| 05/15/1979 | US4154663 Anodically growing oxide layer and then removing by cathodic reduction |
| 05/08/1979 | US4153531 Conveying means |
| 04/24/1979 | US4151054 Process for obtaining surfaces with a nacre like effect on gold or silver jewelry articles |
| 04/10/1979 | US4148707 Electrochemical finishing of stainless steel |
| 04/10/1979 | US4148699 Cutlery |
| 04/03/1979 | US4147610 Indicators and shutdown system for plating |