| Patents for C25D 11 - Electrolytic coating by surface reaction, i.e. forming conversion layers (8,800) |
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| 12/30/1998 | CN1041446C Process for colouring anodisation-treated aluminium surface by electrolysis of metal salt |
| 12/29/1998 | US5853431 1:2 Chromium complexes, their production and use |
| 12/24/1998 | DE19726363A1 Compound material |
| 12/23/1998 | WO1998058025A1 Method for dying aluminum oxide layers |
| 12/23/1998 | CA2294642A1 Method for dying aluminum oxide layers |
| 12/22/1998 | US5851373 Method for anodizing aluminum material |
| 12/17/1998 | WO1998056577A1 Resin-coated aluminum alloy sheet for can lids |
| 12/16/1998 | EP0884405A2 Process for obtaining hard oxide layers on the surface of a light metal based substrate |
| 12/15/1998 | US5849169 Method for electrically coloring aluminum material and gray-colored aluminum material obtained thereby |
| 12/10/1998 | WO1998056035A1 Method of anodizing silicon substrate and method of producing acceleration sensor of surface type |
| 12/03/1998 | WO1998054264A1 1:2 chromium complex dyes, the production and use thereof |
| 12/02/1998 | CN2299072Y Continuous three-phase a. c. anodic oxidation unit for aluminium foil band |
| 12/01/1998 | US5843247 Extruded articles of age-hardening aluminum alloy and method for production thereof |
| 11/26/1998 | WO1998053499A1 Substrate for electronic packaging, pin jig fixture |
| 11/26/1998 | WO1998053451A1 Archival imaging and method therefor |
| 11/26/1998 | CA2291088A1 Archival imaging and method therefor |
| 11/26/1998 | CA2290819A1 Substrate for electronic packaging, pin jig fixture |
| 11/25/1998 | EP0880310A1 Process for manufacturing printed circuits on a metallic substrate |
| 11/25/1998 | EP0879902A2 Treating method and apparatus utilizing chemical reaction |
| 11/17/1998 | US5837121 Method for anodizing valve metals |
| 11/17/1998 | US5836568 High-vacuum valve |
| 11/10/1998 | US5834129 Grained and anodized aluminum substrate for lithographic printing plates |
| 11/10/1998 | US5833931 A heat exchanger core having a metal catalyst deposited onto metal nodules extending above the surface of a porous anodic oxide layer on a substrate; automobile radiators and air conditioners; air pollution control |
| 11/05/1998 | WO1998049377A1 Aluminium workpiece |
| 11/05/1998 | CA2288298A1 Aluminium workpiece |
| 10/28/1998 | CN1197127A Surface pattern shaping process of extruding aluminium |
| 10/27/1998 | US5828127 Semiconductor substate with improved thermal conductivity |
| 10/20/1998 | US5825668 Monitoring method and apparatus of surface area of semiconductor wafer |
| 10/13/1998 | US5820741 Passification of zinc surfaces |
| 10/13/1998 | US5820740 High-absorptance high-emittance anodic coating |
| 10/08/1998 | WO1998044172A1 Method for producing by electrochemical process a carbon-containing material with its surface modified by organic groups, use of the modified material |
| 10/01/1998 | WO1998042895A1 Colouring magnesium or magnesium alloy articles |
| 10/01/1998 | WO1998042892A1 Anodising magnesium and magnesium alloys |
| 10/01/1998 | CA2284618A1 Colouring magnesium or magnesium alloy articles |
| 10/01/1998 | CA2284616A1 Anodising magnesium and magnesium alloys |
| 09/30/1998 | EP0867910A1 Collector structure for a travelling-wave tube |
| 09/30/1998 | EP0867530A1 Process and apparatus for coating metals |
| 09/30/1998 | EP0866892A1 Catalytic structures and method of manufacture |
| 09/29/1998 | CA2016246C Preventing crevice corrosion of titanium surfaces |
| 09/26/1998 | CA2233339A1 Coated subtrate and process for production thereof |
| 09/22/1998 | US5811215 Aqueous silicate treatment method for preparing a hydrophilic surface of an lithographic printing plate aluminum base |
| 09/22/1998 | US5811194 Cast metal objects having protective oxide layers formed by plasma-assisted anodic oxidation in chloride-free electrolytic baths |
| 09/17/1998 | WO1998040542A1 A method for chromating metals having surface oxide layers |
| 09/17/1998 | WO1998040541A1 Process and apparatus for coating metals |
| 09/17/1998 | WO1998040540A1 Method for electrochemically producing carbon material with its surface modified by functionalised groups, novel carbon material with modified surface and its application |
| 09/17/1998 | CA2283467A1 Process and apparatus for coating metals |
| 09/09/1998 | CN1192487A Plated aluminum alloy, cylinder block thereof, planting line and planting method |
| 09/01/1998 | US5800693 Substrate made of magnesium or magnesium alloy |
| 08/18/1998 | CA2075392C Method for making a composite aluminum article |
| 08/12/1998 | EP0857227A1 Short duration hot seal for anodised metal surfaces |
| 08/11/1998 | US5792335 Anodization of magnesium and magnesium based alloys |
| 07/29/1998 | CN1188820A Anodizing processing apparatus and method associated with the same |
| 07/29/1998 | CN1188819A Method for electrolytically coloring aluminum material and gray-colored aluminum material obtained thereby |
| 07/28/1998 | US5785838 Method for producing an oxide film |
| 07/15/1998 | EP0853142A1 Metal material having photocatalytic activity and method of manufacturing the same |
| 07/15/1998 | CN1039139C Two step electrochemical magnesium coating process |
| 07/14/1998 | US5779871 Process of manufacturing aluminum surfaces for technical lighting purposes |
| 07/07/1998 | US5775892 Process for anodizing aluminum materials and application members thereof |
| 06/30/1998 | US5772865 Mixture of a vanadium salt, organic acid and water |
| 06/25/1998 | DE19719597C1 Product dosing machine with either linear slide- or screw dosing unit |
| 06/24/1998 | EP0848765A1 Method and apparatus for electrochemical surface treatment |
| 06/24/1998 | CN1185814A Preparation of pre-coated aluminium alloy articles |
| 06/24/1998 | CN1038856C Compound colouring method for aluminium and its alloy |
| 06/23/1998 | US5770315 Process for the aftertreatment of aluminum materials, substrates of such materials, and their use for offset printing plates |
| 06/10/1998 | EP0846790A2 Anodizing apparatus and apparatus and method associated with the same |
| 06/02/1998 | US5760981 Aluminum reflector with a composite reflectivity-enhancing surface layer |
| 06/02/1998 | US5759244 Chromate-free conversion coatings for metals |
| 05/28/1998 | CA2222343A1 Anodizing apparatus and apparatus and method associated with the same |
| 05/27/1998 | EP0844316A1 Surface-treated steel sheet excellent in corrosion resistance after working |
| 05/22/1998 | WO1998021385A1 Anode, process for anodizing, anodized wire and electric device comprising such anodized wire |
| 05/22/1998 | CA2270390A1 Anode, process for anodizing, anodized wire and electric device comprising such anodized wire |
| 05/20/1998 | EP0843027A1 Method for electrolytically coloring aluminum material and gray-colored aluminum material obtained thereby |
| 05/20/1998 | EP0842309A1 Process for dep tsols into microporous coating layers |
| 05/20/1998 | EP0815294A4 Anodisation of magnesium and magnesium based alloys |
| 05/13/1998 | CN1181426A Electrolytic chromophoric method of aluminium and aluminium alloy |
| 05/07/1998 | DE19748926A1 Adherent electroplating of silicon@-containing aluminium@ alloy |
| 05/06/1998 | EP0839931A2 Treating solution and treating method for forming protective coating films on metals |
| 05/05/1998 | US5747180 Electrochemical synthesis of quasi-periodic quantum dot and nanostructure arrays |
| 04/30/1998 | WO1998017844A1 Metallic object with a thin polyphase oxide coating and process for the manufacture thereof |
| 04/30/1998 | DE19643555A1 Metallischer Gegenstand mit einer dünnen mehrphasigen Oxidschicht sowie Verfahren zu dessen Herstellung A metallic article with a thin multiphase oxide layer, and process for its preparation |
| 04/29/1998 | EP0837956A1 Method of compacting anodized metals with lithium and fluoride-containing solutions without using heavy metals |
| 04/29/1998 | CN1180113A Process for applying masking tapes and masking tape applying apparatus for carrying out the same process |
| 04/15/1998 | CN2278700Y Electrolytic gauze hanger for electrochemical oxidation of small aluminium articles |
| 04/15/1998 | CN1179131A Process for making decorative pattern on extruded profiled elements |
| 04/08/1998 | CN1178562A Anodisation of mangnesium and magnesium based alloys |
| 04/07/1998 | US5736434 Forming gate electrode, applying voltage between electrode and cathode, maintaining voltage, forming anodic oxide film, forming channel |
| 03/24/1998 | US5731124 Method for preparing an aluminum foil for use as a support in lithographic printing plates |
| 03/18/1998 | EP0828863A1 Preparation of pre-coated aluminum alloy articles |
| 03/17/1998 | US5728503 Micro-roughness to improve adhesion, hardness but still provide good image contrast |
| 03/10/1998 | US5725742 Device for electrolytic oxidation of silicon wafers |
| 03/05/1998 | WO1998009006A1 Method for electrochemical phosphating of metal surfaces, particularly stainless steel, and application of an aqueous phosphating solution for such a method |
| 03/05/1998 | WO1998009005A1 Method of manufacturing porous anodized alumina film |
| 03/04/1998 | CN1175268A Carbon materials reacted with diazonium salts |
| 03/04/1998 | CN1037622C Method and device for electro-chemically treating surface of corrosion-resisting brush |
| 02/25/1998 | EP0824571A1 1:2 chromium complexes, their production and use |
| 02/24/1998 | US5720866 Method for forming coatings by electrolyte discharge and coatings formed thereby |
| 02/18/1998 | EP0824154A1 Reflector with resistant surface |
| 02/12/1998 | WO1998005806A1 Electrolytic process for the coloration of anodized aluminium by modification and control of the anodic film transmission colour |
| 02/12/1998 | WO1998005805A1 Anodizing electrolyte and its use |
| 02/11/1998 | EP0823496A1 Process for producing ceramic layer by plasma enhanced electrolysis and product thereof |