| Patents for C23C 28 - Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of main groups , or by combinations of methods provided for in subclasses and (13,275) |
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| 02/07/1992 | WO1992002132A1 Fishing line |
| 02/06/1992 | WO1992001823A1 Anti-wear coating on a substrate based on titanium |
| 02/05/1992 | EP0469204A1 Method for vapour deposition of diamond film |
| 02/05/1992 | CN1058429A Wear-resistant coating for titanium-base material |
| 02/05/1992 | CN1058428A Processing technology for generating high hardness and non-adhesion characteristic on surface of workpiece |
| 01/28/1992 | US5084110 Process for producing a low-reflection luminophore layer |
| 01/22/1992 | EP0467404A1 Diamond having multiple coatings, methods for their manufacture and use of same |
| 01/21/1992 | US5082748 Corrosion resistance, phosphate treatability |
| 01/15/1992 | EP0466188A1 Heat transfer material for heating and heating unit and heating apparatus using |
| 01/07/1992 | US5079101 Composite film |
| 01/07/1992 | US5079089 Nitride or carbide coating on ceramic |
| 01/02/1992 | EP0463794A1 Method for integral coating |
| 01/02/1992 | EP0276256B1 Mechanical galvanizing coating resistant to chipping, flaking and cracking |
| 12/31/1991 | US5077139 Coating applied to piston rods of hydraulic cylinders |
| 12/31/1991 | US5075966 Method for fabricating a hollow component for a rocket engine |
| 12/30/1991 | CA2044962A1 Method for integrated coating |
| 12/27/1991 | EP0462228A1 Method and layered structure for adhering gold to a substrate |
| 12/10/1991 | US5071693 Multilayer coating of a nitride-containing compound and method for producing it |
| 12/10/1991 | US5071263 Plane bearing |
| 12/10/1991 | US5070587 Roll for use in heat treating furnace and method of producing the same |
| 12/03/1991 | US5069937 High chromium content; adhesion, corrosion resistance, durabil ity |
| 12/03/1991 | CA1292648C Highly corrosion-resistant, multi-layer coated steel sheets |
| 11/20/1991 | CN1014805B Body with superhard coating |
| 11/17/1991 | CA2023203A1 Method of protecting an aluminum surface |
| 11/13/1991 | CN1056132A Steel articles having protective duplex coatings and method of production |
| 11/12/1991 | US5064728 Article with internal wear resistant surfaces |
| 11/12/1991 | CA1291908C Rubber adherable steel reinforcing elements with composite surface coating |
| 11/06/1991 | EP0455419A1 Coating steel articles |
| 10/29/1991 | US5061575 Lubricating resin coated steel strips having improved formability and corrosion resistance |
| 10/29/1991 | US5061533 Roll formed of carbon fiber composite material |
| 10/23/1991 | EP0453432A1 A method of forming a zinc-aluminium coating on a steel strip |
| 10/16/1991 | CN1055398A Process for forming membrane |
| 10/15/1991 | US5057379 Heat engine parts made of alloy and having a metallic-ceramic protective coating and method of forming said coating |
| 10/15/1991 | US5057196 Electrophoretic deposition, heating, diffusion |
| 10/02/1991 | EP0448781A2 Film forming process |
| 10/02/1991 | EP0219536B1 Protection layer |
| 09/25/1991 | EP0448016A1 Process for optimizing corrosion protection of coated substrates |
| 09/20/1991 | CA2038488A1 Process for optimizing corrosion protection of coated substrates |
| 09/18/1991 | EP0446988A1 Silicon carbide coatings |
| 09/18/1991 | EP0446835A1 Galvanizing process |
| 09/17/1991 | US5049418 Barrier coatings for oxidation protection incorporating compatibility layer |
| 09/11/1991 | EP0446079A1 Industrial material with fluorine passivated film and process of manufacturing the same |
| 09/10/1991 | US5047388 Superconductor and method for its production |
| 09/10/1991 | CA1288721C Electrolytic and flame sprayed aluminum coatings on steel |
| 08/27/1991 | CA2037000A1 Steam turbine components having duplex coatings for improved erosion resistance |
| 08/21/1991 | EP0276276B1 Method for manufacture of printed circuit boards |
| 08/14/1991 | EP0441061A1 Organic coatings with ion reactive pigments especially for active metals |
| 08/06/1991 | US5037517 Method of forming layered structure for adhering gold to a substrate |
| 07/30/1991 | US5035957 Coated metal product and precursor for forming same |
| 07/30/1991 | US5035949 For Use In A Sunshade, Thermal Control Surface Or A Lining In Chemical Tanks Or Flow Lines |
| 07/30/1991 | CA1286929C Mechanical galvanizing coating resistant to chipping, flaking and cracking |
| 07/23/1991 | US5033579 Sound-and/or vibration-damping coating, element provided with said coating and process for applying the latter |
| 07/16/1991 | US5032236 Electrolysis, oxidation, protective coating |
| 07/09/1991 | CA1285832C Acid wash of a metal chloride layer of an ion selective electrode |
| 07/03/1991 | CN1052708A Oxygen-generating electrode and method for the preparation thereof |
| 07/02/1991 | CA1285459C Chromate surface treated steel sheet |
| 06/26/1991 | EP0434299A1 Multi-layer coatings for reinforcements in high temperature composites |
| 06/26/1991 | CN1012969B Process for antiseptic processing of iron-based material |
| 06/21/1991 | CA2031903A1 Multi-layer coatings for reinforcements in high temperature composites |
| 06/19/1991 | CN1052337A Mechanical cold weldering technology for metal surface and its additve |
| 06/19/1991 | CN1012908B Method of applying protective coating to titanium alloy blade, and blade obtained theregby |
| 06/18/1991 | US5024901 Method for depositing highly erosive and abrasive wear resistant composite coating system on a substrate |
| 06/18/1991 | CA1284930C Process for preparing a metal for cold forming |
| 06/11/1991 | US5022937 Colored zinc coating |
| 06/06/1991 | DE3939809A1 Wood working tool mfg. - has additional hard layer applied after hardening |
| 06/05/1991 | EP0430874A1 Object with a decorative layer |
| 06/05/1991 | EP0430873A2 Roller with a friction- and wear-reducing hard coating and process for producing the coating |
| 06/05/1991 | EP0430872A2 Tool or instrument with a wear-resistant hard layer for working or processing of organic material |
| 06/05/1991 | EP0429880A2 Method for corrosion protection of rivets |
| 05/28/1991 | US5019415 Glow Discharge |
| 05/15/1991 | EP0427389A1 Method of treating a ferrous component for subsequent metallurgical bonding to cast aluminum |
| 05/14/1991 | US5015338 Method of manufacturing a stamper for formation of optical information carrying disk |
| 05/14/1991 | US5014760 Steel wire for reinforcing elastomer articles with improved adhesion promoting layer |
| 05/08/1991 | EP0426218A2 Multilayered structure and plasma-activated reactive chemical vapour deposition of a multicomponent material |
| 05/07/1991 | US5013614 Aluminum and tin alloy |
| 05/07/1991 | US5013410 Method of manufacturing an aluminum-plated steel sheet for cans |
| 05/07/1991 | CA2024210A1 Method of treating a ferrous component for subsequent metallurgical bonding to cast aluminum |
| 05/07/1991 | CA1283816C Method and apparatus for plating and coating and articles produced thereby |
| 04/30/1991 | US5011732 Glass ceramic substrate having electrically conductive film |
| 04/30/1991 | CA1283583C Calcium phosphate-coated composite material and process for production thereof |
| 04/24/1991 | EP0423947A2 Process for electroplating electroactive polymers and articles derived therefrom |
| 04/24/1991 | EP0423740A2 Organic composite coated steel strip having improved corrosion resistance and weldability |
| 04/23/1991 | US5009966 Ceramic, hard metal or metal compound or carbon on non-reactive noble metal interlayer |
| 04/17/1991 | EP0422321A1 Plane bearing |
| 04/09/1991 | US5006419 Structural component made of a titanium alloy and covered by a protective coating and method for producing the coating |
| 04/09/1991 | US5006371 Depositing layer of tungsten, then layer of tungsten and tungsten carbide, repeating alternating layers |
| 04/03/1991 | EP0419845A2 Method for preparing metallized polyimide composites |
| 04/03/1991 | EP0419678A1 Highly corrosion-resistant, double-coated steel sheet excellent in coatability and prevented from blistering in elecrodeposition coating and process for producing the same |
| 03/26/1991 | US5002838 Aluminum plating substance for anodizing |
| 03/26/1991 | CA1281897C Molded framework for electroless and electrolytic plating racks |
| 03/21/1991 | WO1991003583A1 Methods for depositing finish coatings on substrates of anodisable metals and the products thereof |
| 03/20/1991 | EP0418001A1 Multilayer coating of a nitride-containing compound and its production |
| 03/20/1991 | EP0417880A1 Process for treating surface of copper foil |
| 03/13/1991 | EP0416887A2 Ceramic-coated metal sheet |
| 03/13/1991 | CN1049873A Process for surface treatment of fastening elements |
| 03/06/1991 | EP0415217A1 Thermal land bound machine comprising a heat resistant member, a heat resistant composite structure and a method of producing the heat resistant composite structure. |
| 02/27/1991 | EP0414097A2 Method of direct metallization of a non-conductive substrate |
| 02/25/1991 | CA2023846A1 Process for the direct metallization of a non-conducting substrate |
| 02/06/1991 | EP0411646A1 High erosion/wear resistant multi-layered coating system |
| 02/05/1991 | US4990372 Vapor deposition of tungsten, then tungsten carbide |