| Patents for C25D 11 - Electrolytic coating by surface reaction, i.e. forming conversion layers (8,800) |
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| 04/26/2000 | CN1251396A Electrophoretic titanium-golden yellow alluminium alloy section material processing method |
| 04/26/2000 | CN1251395A Titanium-golden yellow alumium alloy colouring processing method |
| 04/19/2000 | CN1051504C Stainless steel plate having colored and topographical surface and fabricating method thereof |
| 04/19/2000 | CN1051503C Stainless steel plate having colored and topographical surface and fabricating method thereof |
| 04/19/2000 | CN1051502C Embossing stainless starlight panel having a colored and topographical and a fabricating method thereof |
| 04/12/2000 | EP0993009A2 Anodized tantalum pellet for an electrolyte capacitor |
| 04/05/2000 | EP0799282B1 Carbon materials reacted with diazonium salts |
| 04/04/2000 | US6045681 Manufacturing method of planographic printing plate support and presensitized planographic printing plate |
| 04/04/2000 | US6045677 Anodizing a metal plate to form channels; positioning cathode and anode adjacent first and second side, activating microchannel plate by depositing on the walls of microchannel a mixed oxide |
| 03/30/2000 | WO2000016893A2 Bio-assay technique |
| 03/30/2000 | WO2000016882A1 Catalytic converter for removing ozone having anodized and washcoat layers |
| 03/30/2000 | DE19842284A1 Verfahren und Vorrichtung zur Herstellung verschleißfester Oberflächen Method and apparatus for producing wear-resistant surfaces |
| 03/29/2000 | EP0988343A1 Method for dying aluminum oxide layers |
| 03/29/2000 | CN1248644A Method for forming lubricating coated film for cold-extrusion working |
| 03/28/2000 | US6042896 Preventing radioactive contamination of porous surfaces |
| 03/28/2000 | CA2106510C Architectural material using metal oxide exhibiting photocatalytic activity |
| 03/23/2000 | WO2000015879A1 Method for forming a lubricative film for cold working |
| 03/23/2000 | WO2000015878A1 Zinc coated steel plates coated with a pre-lubricating hydroxysulphate layer and methods for obtaining same |
| 03/23/2000 | WO2000015877A2 Method and device for producing wear resisting surfaces |
| 03/23/2000 | CA2343779A1 Method for forming a lubricative film for cold working |
| 03/22/2000 | EP0987350A2 Process and apparatus for applying a phosphate coating on work pieces |
| 03/22/2000 | EP0987077A2 Method and device for electrical or electrochemical treatment of workpieces |
| 03/22/2000 | EP0986615A1 1:2 chromium complex dyes, the production and use thereof |
| 03/21/2000 | US6040059 For clutch release system for automobiles |
| 03/21/2000 | US6039857 Method for forming a polyoxide film on doped polysilicon by anodization |
| 03/16/2000 | WO2000013817A1 Light alloy thread-forming screw and its production method |
| 03/16/2000 | DE19841650A1 Nanocrystalline metal oxide layers, used e.g. as semiconductor, photo- or electrochromic or catalytic layers, are produced on barrier layer-forming metals by spark discharge anodization |
| 03/16/2000 | DE19840298A1 Selbstgewindeformende Schraube aus Leichtmetall und Verfahren zu ihrer Herstellung Self-tapping screw made of light metal and process for its preparation |
| 03/15/2000 | CN1050389C Energy control method for plasma enhanced electrochemical formation of cerment |
| 03/14/2000 | US6037089 Electrophotographic photoconductor and method for producing same |
| 03/09/2000 | WO2000012783A2 Phosphate anodizing electrolyte and its use to prepare capacitors valve metal anodes produced from very fine metal powders |
| 03/09/2000 | WO2000012781A2 Method for surface treating aluminum products |
| 03/02/2000 | DE19839722A1 Prevention of contact corrosion between components made of steel and a magnesium alloy involves covering the steel component partially with an aluminum layer applied by galvanization |
| 03/02/2000 | DE19837126A1 Specimen treatment, especially anodic etching for porous silicon production, comprises supplying current to several specimens or a large specimen by several electrical contacts |
| 02/24/2000 | WO2000009615A1 1:2 chromium complex dyes, their production and use |
| 02/23/2000 | CN1049701C Method for forming improved corrosion-resisting coating on Mg-containing workpiece and workpiece containing Mg |
| 02/22/2000 | US6027629 Corrosion resistance; porous and non porous anodizing |
| 02/17/2000 | WO2000008237A1 Films containing lamelar vesicles, materials coated with said films and method for obtaining same by electrochemical process |
| 02/16/2000 | EP0980077A1 Procedure for the incorporation of hazardous or costly onto aluminium supports with very low thickness of anodising |
| 02/10/2000 | WO2000006809A1 Method and apparatus for galvanizing a surface |
| 02/09/2000 | EP0978576A1 Corrosion-resistant, magnesium-based product exhibiting luster of base metal and method for producing the same |
| 02/09/2000 | EP0828863A4 Preparation of pre-coated aluminum alloy articles |
| 02/03/2000 | WO2000005493A1 Internal combustion engine, part thereof comprising a surface coating, and method and devices for producing said part |
| 02/03/2000 | WO2000005432A1 Method of forming metal film, and method of forming electrode |
| 02/03/2000 | DE19834264A1 Storage, guide or bounding elements made of aluminum materials for rotational transfer, for example, of textile fiber materials have surfaces with a hard anodic oxide layer with pores |
| 02/02/2000 | EP0975827A1 Aluminium workpiece |
| 01/26/2000 | EP0857227B1 Short duration hot seal for anodised metal surfaces |
| 01/26/2000 | CN1242439A Method and apparatus for quick forming phosphate covering film on steel wire |
| 01/20/2000 | WO2000003069A1 Sealing procedures for metal and/or anodised metal substrates |
| 01/20/2000 | WO1999034035A3 Method for microplasma oxidation of valve metals and their alloys, and device therefor |
| 01/19/2000 | EP0972862A2 Method for forming a phosphate film on steel wires and apparatus used therefor |
| 01/18/2000 | US6015649 Method of manufacturing support for planographic printing plate |
| 01/13/2000 | WO2000001865A1 Method of treating surface of aluminum blank |
| 01/13/2000 | DE19830726A1 Metallic substrate, especially aluminum or aluminum alloy interior or exterior car trim, is lacquer printed |
| 01/12/2000 | EP0970265A1 Method for producing by electrochemical process a carbon-containing material with its surface modified by organic groups, use of the modified material |
| 12/29/1999 | WO1999043869A3 Method for producing a corrosion protective coating and a coating system for substrates made of light metal |
| 12/23/1999 | WO1999065676A1 Corrosion resistant coating for aluminum and aluminum alloys |
| 12/23/1999 | CA2335076A1 Corrosion resistant coating for aluminum and aluminum alloys |
| 12/21/1999 | US6004448 Applying a coating of chromium oxide on a electroconductive metal substrate from chromium bath with buffers |
| 12/15/1999 | EP0963462A1 Method for electrochemically producing carbon material with its surface modified by functionalised groups, novel carbon material with modified surface and its application |
| 12/14/1999 | US6001481 Porous anodized aluminum surfaces sealed with diamond-like carbon coatings |
| 12/09/1999 | DE19925845A1 Electrolyte solution for anodizing valve metals in the production of insulating or dielectric films, surgical implants or low friction coatings |
| 12/07/1999 | US5997721 Dissolving aluminium oxide and maintained at a temperature of at least 70.degree. c. under conditions such that the surface of the workpiece is cleaned with any oxide film thereon being non-porous and no more than about 20 nm thick. |
| 12/07/1999 | US5997714 Organic coated material having an electrolytically polymerized coating film containing chromium and method |
| 12/01/1999 | CN1236830A Anodization colouring technology for making phase-sequence colour marks on aluminium bus |
| 11/25/1999 | WO1999045177A3 Anodic spark coating |
| 11/24/1999 | EP0959152A1 Aluminium alloy coil, procees for manufacture and apparatus therefor |
| 11/24/1999 | EP0958412A1 Treating aluminium workpieces |
| 11/11/1999 | DE19819925A1 Verfahren zur Erzeugung einer Schutzschicht auf der inneren Oberfläche eines Kupferrohrs A method for generating a protective layer on the inner surface of a copper tube |
| 11/10/1999 | EP0955394A2 Process for producing a protective coating on the interior surface of a copper pipe |
| 11/10/1999 | CN1234455A Magnesium alloy structural member and use |
| 11/09/1999 | US5981084 Electrolytic process for cleaning electrically conducting surfaces and product thereof |
| 11/09/1999 | US5980723 Electrochemical deposition of a composite polymer metal oxide |
| 11/09/1999 | US5980722 Anodic etching of silicon-containing aluminum alloy to protrude silicon from surface of aluminum alloy |
| 11/03/1999 | CN1046145C Stainless steel plate with color and topographic surface and making method thereof |
| 11/03/1999 | CN1046144C Stainless steel plate with color and topographic surface and making method thereof |
| 10/28/1999 | DE19809932C1 Method for coloring surgical instruments made of steel or heat resistant plastic |
| 10/27/1999 | CN1232888A Oxidizing and coloring process of golden yellow aluminium alloy shapes |
| 10/27/1999 | CN1045980C Pigment dispersion composition for filling pores in aluminum oxide for coloration |
| 10/20/1999 | EP0950728A2 Method and apparatus for anodizing objects |
| 10/20/1999 | EP0950131A1 Metallic object with a thin polyphase oxide coating and process for the manufacture thereof |
| 10/05/1999 | US5963435 Electric circuit for implementing an electrolysis process |
| 10/05/1999 | US5961809 Contacting surface with acrylic polymer and hf or hexafluorotitanic acid or hexafluorozirconic acid and ammonium salts of these acids |
| 09/28/1999 | US5958604 Electrolytic process for cleaning and coating electrically conducting surfaces and product thereof |
| 09/28/1999 | US5958206 Anodizing the workpiece subjected to direct current in electrolyte bath while an auxiliary masking anode is connected to immersed workpiece selective to the areas of workpiece to be non-anodized |
| 09/28/1999 | CA2085430C Method of adhering colored electroplating layer on a zinc-electroplated steel article |
| 09/23/1999 | WO1999047725A1 Plastic component |
| 09/23/1999 | DE19811655A1 Aluminum-coated plastic component useful as a sliding seal especially in a vehicle hydraulic clutch disengaging system |
| 09/22/1999 | EP0943700A2 Mg alloy member, its fabrication and its use |
| 09/21/1999 | US5955147 Selective application of a fluoropolymer protective coating to only a partial portion of the show surface of the shaped strip and the application of a thermoplastic to the portions of the show surface not covered by the protective coating. |
| 09/21/1999 | US5954893 Anodizing substrate to form porous surface layer, applying a metavanadate solution or gel, separately applying a solution containing a metal cation which coprecipitates with the metavanadate within the surface pores |
| 09/18/1999 | CA2263128A1 Mg alloy member and its use |
| 09/16/1999 | DE19809802A1 Verfahren zur Oberflächenbehandlung von Aluminium oder dergleichen A method for surface treatment of aluminum or the like |
| 09/15/1999 | EP0942076A1 Process for surface treatment of aluminium, aluminium alloys, magnesium, or magnesium alloys |
| 09/15/1999 | EP0942075A1 Process for surface treatment of aluminium, aluminium alloys, magnesium or magnesium alloys |
| 09/14/1999 | US5952083 Used for electronic packaging such as substrates for printed circuit boards or ball grid array electronic packages, having conductive circuitry formed on an electrically non-conductive anodic film to avoid short circuiting |
| 09/14/1999 | US5952049 Conversion coatings for metals using group IV-A metals in the presence of little or no fluoride and little or no chromium |
| 09/14/1999 | US5951833 Anodizing apparatus |
| 09/10/1999 | WO1999045177A2 Anodic spark coating |
| 09/10/1999 | WO1999034033A3 Electrochemical synthesis of metal and semiconductor nitrides |