| Patents for C25D 11 - Electrolytic coating by surface reaction, i.e. forming conversion layers (8,800) |
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| 11/30/1993 | US5266182 Zinc-nickel alloy plating on steels by dip coating a phosphate solutions |
| 11/27/1993 | CA2096816A1 Imides and their salts, as well as their use |
| 11/24/1993 | EP0570417A1 Method for depositing bioactive coatings on conductive substrates |
| 11/24/1993 | EP0367809B1 Flow divider |
| 11/23/1993 | US5264113 Corrosion resistant coatings formed by electrolysis |
| 11/23/1993 | US5264109 Resistance to hydriding |
| 11/23/1993 | CA1324589C Thinly tin coated steel sheets having excellent rust resistance and weldability |
| 11/18/1993 | EP0569780A1 Process for anodising metallic workpieces |
| 11/11/1993 | WO1993022481A1 Phosphating process |
| 11/11/1993 | WO1993022480A1 Electrochemical treatment of surfaces |
| 11/10/1993 | EP0569121A1 Process for producing electrically impervious anodized films on valve metals and product thereof |
| 11/09/1993 | US5259957 Anodizing metal substrate; detaching and supporting film; filters; dialysis |
| 11/09/1993 | US5259937 Process for forming colorless chromate coating film on bright aluminum wheel |
| 10/26/1993 | CA1323596C Passive anodization process of copper in molten fluoride medium and its application to the protection of copper parts in fluorine electrolyzers |
| 10/23/1993 | CA2091147A1 Process for producing electrically impervious anodized films on valve metals and product thereof |
| 10/14/1993 | DE4311772A1 Biocompatible implants comprising titanium@ for bone surgery - are prepd. by anodic oxidation of etched surface treated with phosphate-contg. soln., and then heat treating |
| 10/06/1993 | EP0564301A1 Method for forming a chemical conversion film |
| 10/06/1993 | EP0563671A1 Process for electrolytical coating of material and so forth |
| 10/05/1993 | US5250173 Process for producing anodic films exhibiting colored patterns and structures incorporating such films |
| 09/29/1993 | EP0562152A1 Magnetic disk substrate of titanium |
| 09/28/1993 | US5248405 Process for producing surface-treated steel sheet superior in weldability and paint-adhesion |
| 09/23/1993 | DE4213535C1 Anodising aluminium@ and magnesium@ surfaces - by constantly increasing current to predetermined max. value and holding at this value so that ratio of charge in 1st stage to 2nd stage is approximately 0.5 |
| 09/21/1993 | US5245847 Process for zinc electroplating of aluminum strip |
| 09/14/1993 | US5245514 Extruded capacitor electrode and method of making the same |
| 09/09/1993 | DE4227023C1 Colouring anodised coatings on aluminium@ objects - using 1st soln. contg. organic colouring agent and 2nd soln. contg. metal salt in which electrolytic treatment is carried out |
| 09/08/1993 | EP0558940A1 Process for electrocolouring, by optical interference, aluminium and aluminium alloys, suitable to obtain homogeneous and easily reproducible colourings |
| 09/07/1993 | US5242572 Electroplating in acidic zinc plating bath containing chromium ions and cation polymer; corosion resistance; automobiles |
| 09/07/1993 | CA1321859C Conversion coating solution for treating metal surfaces |
| 08/31/1993 | US5240590 Process for forming a bearing surface for aluminum alloy |
| 08/31/1993 | US5240589 Corrosion resistance |
| 08/25/1993 | EP0557073A1 Copper foil for printed circuits and process for producing the same |
| 08/18/1993 | EP0555512A1 Method of manufacturing a magnetic disk substrate of titanium |
| 08/11/1993 | EP0538410A4 Closure with irreversible color change system |
| 08/04/1993 | EP0321536B1 Process for passivating anodization of copper in a molten fluoride medium, and application to the protection of copper parts of fluorine electrolyzers |
| 08/04/1993 | CN1074956A Ordinary-temp pore-sealing liquid for aluminium and aluminium alloy anode oxide-film and preparing method thereof |
| 07/27/1993 | US5230788 Insulated metal substrates and process for the production thereof |
| 07/21/1993 | EP0551727A1 Coating composition and metal coil coating process employing same |
| 07/13/1993 | US5227035 Nitrohydrofluoric development bath for titanium alloy components |
| 07/13/1993 | US5226976 Metal treatment |
| 07/08/1993 | DE4200027A1 Electrochemical prodn. of diffusion layer systems - by anodically heating workpiece in aq. soln., suspension or emulsion |
| 07/06/1993 | USH1207 Chromic acid anodization of titanium |
| 07/06/1993 | US5225069 Pickling, anodic oxidation |
| 07/06/1993 | US5225068 Method of compacting an anodically produced layer of oxide on parts of aluminum or aluminum alloy |
| 06/30/1993 | EP0549502A1 Multilayer coating, its process and application |
| 06/30/1993 | EP0548132A1 Process for making highly pure propylene carbonate and the simultaneous production of passivated electrodes. |
| 06/22/1993 | US5221459 Method of manufacturing a magnetic disk substrate of titanium |
| 06/09/1993 | EP0545785A1 Process for sealing an anodic coating obtained from a chromic acid bath |
| 06/09/1993 | EP0545230A1 Process for preparing modified oxide ceramic coatings on barrier-layer metals and products obtained |
| 06/09/1993 | CN1072872A Method for surface treatment of aluminium cauldron body |
| 06/08/1993 | US5218472 Optical interference structures incorporating porous films |
| 06/08/1993 | US5217601 Direct current electrolysis of aluminum or alloy thereof to aform an oxide film thereon, alternating current electrolyzing to induce deposition of iron in pores of film and direct current electrolyzing to complex iron with hexacyano iron salt |
| 06/08/1993 | US5217600 Process for producing a high emittance coating and resulting article |
| 06/03/1993 | DE4139679A1 Prodn. of protective coating on aluminium@ components - for construction industry, by natural oxidn. in strongly oxidising media, followed by anodic oxidn., obviating oil, grease application |
| 06/01/1993 | US5215864 Removing the dye materials and restore the color receptivity by a focussed laser beam |
| 06/01/1993 | CA1318635C Chromate treatment of a metal coated steel sheet |
| 05/27/1993 | WO1993010278A1 A method for post-treatment of an article with a metallic surface as well as a treatment solution to be used in the method |
| 05/26/1993 | CN1072464A Electrolytic-chemical joint corrosion method for copper pattern |
| 05/19/1993 | EP0541997A2 Surface treatment method of a copper foil for printed circuits |
| 05/18/1993 | US5211833 Method for coating implants and surgical devices made of titanium and titanium alloys |
| 05/18/1993 | US5211832 Process for producing electrically impervious anodized films on valve metals and product thereof |
| 05/18/1993 | US5211663 Passivation methods for metallic medical implants |
| 05/18/1993 | CA1317858C Sn-based multilayer coated steel strip having improved corrosion resistance, weldability and lacquerability and method for producing same |
| 05/12/1993 | EP0541068A1 Steam treatment method for a planographic printing plate support and apparatus therefor |
| 05/11/1993 | US5210549 Ink jet recording head having resistor formed by oxidization |
| 05/11/1993 | US5209829 Acid etching bath for titanium alloy of components |
| 05/04/1993 | US5207881 Apparatus for continuous electrolytic treatment of aluminum article |
| 04/28/1993 | EP0538410A1 Closure with irreversible color change system. |
| 04/27/1993 | US5205922 Growing oxide film on aluminum and incorporating molybdenum inhibitor |
| 04/27/1993 | US5205921 Method for depositing bioactive coatings on conductive substrates |
| 04/21/1993 | EP0537867A2 Method for making a composite aluminum article |
| 04/15/1993 | WO1993006992A1 Peelable laminated structures and process for production thereof |
| 04/13/1993 | US5202470 Hydrazinium sulphosalicylate |
| 04/13/1993 | US5202013 Forming metal oxide layer, subjecting to permanent plastic deformation |
| 04/07/1993 | EP0535457A2 Colored article of aluminum or aluminum alloy and method for production thereof |
| 04/07/1993 | CN1070696A Hydrophilic and anticorrosion treating techniqe for aluminum and aluminum alloy |
| 04/07/1993 | CN1070695A Method and device for electro-chemically treating surface of corrosion-resisting brush |
| 04/06/1993 | CA1315574C Colour change devices incorporating thin anodic films |
| 04/06/1993 | CA1315498C Aluminum-plated steel sheet for cans |
| 03/31/1993 | EP0533852A1 Improvements to current generation and control systems for electrolytic processes |
| 03/30/1993 | US5197536 Polymer laminated drag cast can stock and method |
| 03/24/1993 | EP0532920A2 Zirconium and zirconium alloy passivation process |
| 03/23/1993 | CA1314834C Trimetallic infusion into aluminum oxide surfaces |
| 03/16/1993 | CA1314511C Electrolytic post-treatment of phosphated surface |
| 03/10/1993 | EP0531183A2 Protective coatings for metal parts to be used at high temperatures |
| 03/10/1993 | CN1069781A Method for making composite alumiaum article |
| 03/09/1993 | US5192610 Corrosion-resistant protective coating on aluminum substrate and method of forming same |
| 02/23/1993 | US5188905 Coated steel sheets |
| 02/19/1993 | CA2076209A1 Protective coating for metal parts to be used at high temperatures |
| 02/18/1993 | WO1993003207A1 Method for making metal sublayer based on aluminium or its alloys |
| 02/17/1993 | CN1069083A Two step electrochemical magne-sium coating process |
| 02/10/1993 | EP0527062A1 Development bath after phosphoric anodization of titanium alloy |
| 02/10/1993 | EP0526480A1 Process for producing colour change devices incorporating latent indicia and the resulting devices. |
| 02/09/1993 | US5185075 Anodizing in nonaqueous solution of mineral acid and organic solvent |
| 02/02/1993 | CA1313361C Multicoated steel sheet susceptible to cationic electrodeposition coating |
| 01/28/1993 | DE4124730A1 Intercalation of fluorinated polymer particles - into microporous oxide surfaces of aluminium@, magnesium@ and aluminium@ magnesium@ alloy objects for homogeneous coating of polymers |
| 01/27/1993 | CN1068411A Production process and equipment for selective soar-energy absorbing film |
| 01/26/1993 | US5181997 Wires, strips, foils, reduced power consumption |
| 01/26/1993 | US5181969 Rolled aluminum alloy adapted for superplastic forming and method for making |
| 01/20/1993 | EP0523677A2 Method and apparatus for anodic oxidation treatment |
| 01/19/1993 | US5181154 Circuit arrangement for optimal current generation in processes of electrochemically initiated plasma-chemical layer production |