| Patents for C25D 11 - Electrolytic coating by surface reaction, i.e. forming conversion layers (8,800) |
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| 09/09/1999 | DE19807823A1 Verfahren zur Herstellung einer korrosionsschützenden Beschichtung und Schichtsystem für Substrate aus Leichtmetall A method of producing a corrosion protective coating and coating system for substrates made of light metal |
| 09/08/1999 | EP0940483A2 Anodizing method and apparatus and semiconductor substrate manufacturing method |
| 09/07/1999 | US5948542 High-absorptance high-emittance anodic coating |
| 09/04/1999 | CA2230942A1 Method for forming a pattern on a surface of an aluminum extrusion |
| 09/02/1999 | WO1999043869A2 Method for producing a corrosion protective coating and a coating system for substrates made of light metal |
| 09/01/1999 | EP0938940A1 A process and an apparatus for treating the surface of articles made of titanium and alloys thereof |
| 09/01/1999 | CN1227405A Anodizing method and apparatus and semiconductor substrate manufacturing method |
| 09/01/1999 | CN1227284A Anodizing apparatus and method and porous substrate |
| 08/31/1999 | US5944918 Aircraft; applying phenolic resin, curing |
| 08/31/1999 | US5944917 Stainless steel for ozone added water and manufacturing method thereof |
| 08/26/1999 | WO1999042641A1 Corrosion-resistant, magnesium-based product exhibiting luster of base metal and method for producing the same |
| 08/25/1999 | EP0937889A2 Reciprocating engine having an aluminum engine block and an aluminum piston |
| 08/19/1999 | WO1999041031A1 Aluminium alloy strips with high surface homogeneity and method for making same |
| 08/18/1999 | EP0936663A2 Porous region removing method and semiconductor substrate manufacturing method |
| 08/18/1999 | EP0936288A2 A process for producing colour variations on electrolytically pigmented anodized aluminium |
| 08/11/1999 | CN1225396A Non-oriented electrical steel sheet having good punchability and process for producing same |
| 08/10/1999 | US5935656 Short duration hot seal for anodized metal surfaces |
| 08/10/1999 | US5935408 Electrolyte for anodizing valve metals |
| 08/03/1999 | US5932083 Electrodeposition of cerium-based coatings for corrosion protection of aluminum alloys |
| 07/29/1999 | WO1999037829A1 Group iv-a protective films for solid surfaces |
| 07/29/1999 | CA2319406A1 Group iv-a protective films for solid surfaces |
| 07/28/1999 | EP0931859A1 Method of manufacturing porous anodized alumina film |
| 07/27/1999 | US5929566 Collector structure for a travelling-wave tube having oxide film on cooling fins |
| 07/21/1999 | CN1223463A Porous region removing method and semiconductor substrate manufacturing method |
| 07/15/1999 | WO1999035419A1 Feed screw and method of manufacturing the same |
| 07/15/1999 | WO1999035308A2 Anodically formed intrinsically conductive polymer-aluminum oxide composite as a coating on aluminum |
| 07/15/1999 | WO1999035307A1 Composition and process for treating a metal surface |
| 07/14/1999 | EP0928837A2 An article of cookware and method of forming the same |
| 07/14/1999 | CN1222943A Method of manufacturing porous anodized alumina film |
| 07/13/1999 | US5922472 Method for preparing pre-coated aluminum alloy articles and articles prepared thereby |
| 07/08/1999 | WO1999034035A2 Method for microplasma oxidation of valve metals and their alloys, and device therefor |
| 07/08/1999 | WO1999034033A2 Electrochemical synthesis of metal and semiconductor nitrides |
| 07/07/1999 | CA2258370A1 A process for producing colour variations on electrolytically pigmented anodized aluminium |
| 07/06/1999 | US5919561 Reflector with resistant surface |
| 07/06/1999 | US5919297 Combination of certain sulphonated aromatic compounds and condensates of aldehydes and certain other sulphonated aromatic compounds. |
| 06/30/1999 | EP0926712A2 SOI substrate producing method and apparatus |
| 06/30/1999 | EP0926269A2 Anodizing apparatus and method and porous substrate |
| 06/30/1999 | CN1221207A Substrate processing method and apparatus and SOI substrate |
| 06/30/1999 | CN1221047A Aluminium-silicon casted alloy construction member |
| 06/24/1999 | WO1999031303A1 Method for producing hard protection coatings on articles made of aluminium alloys |
| 06/24/1999 | CA2315792A1 Method of producing hard protective coatings on aluminium alloy items |
| 06/16/1999 | EP0922785A2 Treating solution and treating method for forming protective coating films on metals |
| 06/16/1999 | EP0922125A1 Method for electrochemical phosphating of metal surfaces, particularly stainless steel, and application of an aqueous phosphating solution for such a method |
| 06/16/1999 | CN1219984A Short-term heat-sealing method of anodized metal surfaces with surfactant-containing solutions |
| 06/15/1999 | US5911845 Extruded articles of age-hardening aluminum alloy and method for production thereof |
| 06/10/1999 | WO1999010565A3 Electrochemical deposition of a composite polymer-metal oxide |
| 06/09/1999 | CN1218848A Method and electrolyte for anodizing valve metals |
| 06/02/1999 | EP0919645A2 Aluminium casting piece with an aluminium oxide conversion coating and process for its manufacture |
| 06/02/1999 | EP0837956B1 Method of compacting anodized metals with lithium and fluoride-containing solutions without using heavy metals |
| 06/01/1999 | US5908544 Copper foil |
| 05/27/1999 | WO1999025906A1 Chemical conversion fluid for forming metal oxide film |
| 05/27/1999 | WO1999015474A3 Composite based on a porous material |
| 05/26/1999 | EP0824571B1 1:2 chromium complexes, their production and use |
| 05/20/1999 | DE19852820A1 Cast aluminum-silicon alloy component has a homogeneous surface deformation zone on the surface to be anodized |
| 05/19/1999 | EP0917222A2 Method of producing double oxide film, double oxide/metal composite body, double oxide film and functional conductive material |
| 05/18/1999 | US5904989 Aluminum surface with interference colors |
| 05/18/1999 | US5904514 Method for performing anodic oxidation |
| 05/06/1999 | EP0913850A1 Narrow titanium-containing wire, process for producing narrow titanium-containing wire, structure, and electron-emitting device |
| 05/06/1999 | EP0815293B1 Chromium-free process for improving the adherence of paint applied by thin-film anodic oxidation |
| 05/06/1999 | EP0795047B1 Process for producing a corrosion and wear-resistant oxide layer with locally reduced layer thickness on the metal surface of a workpiece |
| 04/29/1999 | WO1999020814A1 Aluminum alloys for electronic components |
| 04/22/1999 | WO1999019086A1 Coated aluminium workpiece |
| 04/22/1999 | CA2307378A1 Coated aluminium workpiece |
| 04/21/1999 | EP0817728B1 Process for making decorated, extruded, profiled elements |
| 04/21/1999 | EP0792392B1 Treatment of aluminium or aluminium alloys |
| 04/15/1999 | WO1999018635A1 Corrosion-resistant conductive connector shell |
| 04/15/1999 | CA2305371A1 Corrosion-resistant conductive connector shell |
| 04/14/1999 | EP0908540A2 Method and electrolyte for anodizing valve metals |
| 04/14/1999 | CN1213713A Improved zinc-chromium stabilizer containing hydrogen inhibiting additive |
| 04/06/1999 | US5891269 Hot sealing, coating |
| 04/06/1999 | CA2118912C Peelable laminated structures and process for production thereof |
| 04/01/1999 | WO1999015474A2 Composite based on a porous material |
| 04/01/1999 | DE19742523A1 Method for treating fittings and their components |
| 04/01/1999 | DE19741580A1 Verbundwerkstoff Composite material |
| 03/31/1999 | EP0904428A1 An electrolytic process for cleaning electrically conducting surfaces |
| 03/30/1999 | US5888371 Method of fabricating an aperture for a near field scanning optical microscope |
| 03/24/1999 | EP0903426A2 Improved zinc-chromium stabilizer containing a hydrogen inhibiting additive |
| 03/24/1999 | EP0902849A1 Short-term heat-sealing of anodized metal surfaces with surfactant-containing solutions |
| 03/23/1999 | US5884600 Reciprocating engine block |
| 03/17/1999 | EP0902105A1 Multilayer antisticking coating of improved hardness for aluminium support, articles and kitchen utensils having this coating |
| 03/10/1999 | EP0900861A1 Process for closing the pores and microcracks, which are present on the surface of a substrate made of an oxydisable metal |
| 03/04/1999 | WO1999010567A1 Faster two-step sealing of anodized aluminum surfaces |
| 03/04/1999 | WO1999010565A2 Electrochemical deposition of a composite polymer-metal oxide |
| 03/04/1999 | CA2300859A1 Faster two-step sealing of anodized aluminum surfaces |
| 03/03/1999 | EP0899361A2 A desmutting solution and anodising process |
| 02/11/1999 | DE19831780A1 Sealing anodic oxidation film on aluminium substrate for electrophotographic photoconductor e.g for copiers and laser printers |
| 02/10/1999 | CN2307009Y Aluminium normal temp. oxide coating film device |
| 02/03/1999 | CN1206852A Mer for electric photographic photoconductor and electric photographic photoconductor using same |
| 02/03/1999 | CN1206754A Process for stripping/coating conductive material and device thereof |
| 01/27/1999 | CN1041851C Method for making composite aluminium article |
| 01/26/1999 | US5863621 Non-chromate sealant for porous anodized aluminum |
| 01/21/1999 | WO1999002759A1 Sealing procedures for metal and/or anodised metal substrates |
| 01/21/1999 | CA2296539A1 Sealing procedures for metal and/or anodised metal substrates |
| 01/19/1999 | CA2083235C Coating composition and metal coil coating process employing same |
| 01/12/1999 | US5858197 Process for manufacturing substrate for ink jet recording head using anodic oxidation |
| 01/12/1999 | US5858133 Method for preparing pre-coated aluminum alloy articles and articles prepared thereby |
| 01/12/1999 | US5858122 Materials capable of readily developing natural patina and process for producing the same |
| 01/07/1999 | EP0888465A1 An electrolytic process for cleaning and coating electrically conducting surfaces |
| 01/05/1999 | US5856020 High reflectivity surfaces for lighting |
| 12/30/1998 | EP0887203A1 Manufacturing method of planographic printing plate support and presensitized planographic printing plate |