| Patents for C23C 8 - Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals (10,951) |
|---|
| 08/28/1997 | WO1997031202A1 Aluminum piston for internal combustion engines |
| 08/28/1997 | WO1997026026A3 Surface modification of medical implants |
| 08/26/1997 | US5660647 Rolling element is made of alloy steel containing carbon, vanadium, chromium, manganese, silicon, molybdenum and iron |
| 08/19/1997 | US5659876 Method of producing washer having boss |
| 08/19/1997 | US5658452 Hydrocracking with reduced amount steam in a reactor comprising a metallic protective coatings on steel |
| 08/19/1997 | US5658082 Carbon steel race member with case-hardened layer obtained by carbonitriding |
| 08/13/1997 | EP0527926B1 Process for depositing thin film layers onto surfaces modified with organic functional groups |
| 08/12/1997 | US5656099 Method of forming oxide passivation film having chromium oxide layer on the surface thereof, and stainless steel having excellent corrosion resistance |
| 08/06/1997 | EP0787817A2 Method of carburizing austenitic stainless steel and austenitic stainless steel products obtained thereby |
| 08/05/1997 | US5653824 Magnetic strips and methods for making the same |
| 08/05/1997 | US5653822 Coating method of gas carburizing highly alloyed steels |
| 07/31/1997 | WO1997027346A1 Misted precursor deposition method and apparatus with uv radiation applied to mist |
| 07/31/1997 | WO1997027345A1 Process for producing wear-resistant boride layers on metal material surfaces |
| 07/31/1997 | DE19602639A1 Verfahren zur Herstellung von verschleißfesten Boridschichten auf metallischen Werkstoffoberflächen A process for producing wear-resistant boride layers on metallic material surfaces |
| 07/30/1997 | EP0786793A2 Workpiece surface treatment device |
| 07/24/1997 | WO1997026387A1 Lubricated steel sheet |
| 07/24/1997 | WO1997026026A2 Surface modification of medical implants |
| 07/24/1997 | DE19610322A1 Passivation treatment of piping system for high-purity gas |
| 07/23/1997 | EP0784714A1 Low surface energy coatings |
| 07/23/1997 | EP0784712A2 Thin-walled, monolithic iron oxide structures made from steels, and methods for manufacturing such structures |
| 07/23/1997 | CN1035487C Strengthen nitrogenationt reatment technology |
| 07/22/1997 | US5650022 Method of nitriding steel |
| 07/17/1997 | WO1997025457A1 PEROVSKITE WITH AO*(ABO3)n LAYER |
| 07/17/1997 | DE19600218A1 Perowskit mit AO*(ABO¶3¶)¶n¶-Schicht Perovskite with AO * (ABO¶3¶) ¶n¶ layer |
| 07/16/1997 | EP0783328A1 Method of improving mechanical heart valve prostheses and other medical inserts, and products manufactured in accordance with the method |
| 07/16/1997 | EP0729640A4 Methods and apparatus for altering material using ion beams |
| 07/15/1997 | US5648178 Reactor system steel portion |
| 07/15/1997 | US5647945 Pressure reducing valve for keeping cleaning gas supply pipe at a lower pressure than atmospheric when supplying cleaning gas to chamber |
| 07/10/1997 | DE19627605C1 Increasing corrosion resistance of titanium-aluminium alloy |
| 07/08/1997 | US5645944 Superficially hardened by means of nitriding |
| 07/02/1997 | EP0782171A2 Glow discharge controlling circuit |
| 07/02/1997 | EP0781860A1 Surface treatment process for aluminium and aluminium alloys |
| 07/02/1997 | EP0781858A1 Cementation method of metals |
| 07/02/1997 | EP0781855A1 Heat treatment apparatus |
| 06/25/1997 | EP0779937A1 Process for case hardening higher molybdenum-alloyed sintered steels |
| 06/18/1997 | EP0779376A1 Plasma carburizing of metallic workpieces |
| 06/17/1997 | USRE35538 A hard constituent comprising a carbide, nitride and/or carbonitride of a metal of groups 4, 5 or 6b on the periodic table and a binder metal of cobalt, nickel or iron |
| 06/11/1997 | EP0763143A4 Method of treating titanium parts |
| 06/11/1997 | CN1151447A Laser modifying method of iron-carbon alloy surface Fuller carbon coating |
| 06/11/1997 | CN1151446A Pump head inner wall strengthening process for plunger pump |
| 06/05/1997 | DE19544295A1 Production of structures within a submicron range e.g. grating |
| 06/04/1997 | CN1151192A Method of treating titanium parts |
| 06/04/1997 | CN1035071C Method of pretreating metallic works |
| 05/29/1997 | WO1997019203A1 Plasma-assisted thermochemical surface-treatment method, installation for carrying out the method and use of the method and installation |
| 05/27/1997 | US5632868 Providing feed gas of oxygen supplemented with carbon dioxide, carbon monoxide or mixtures, applying voltage to produce ozone not contaminated with chromium compounds |
| 05/22/1997 | WO1997018344A1 Surface treatment method and device therefor |
| 05/21/1997 | EP0750530A4 Low-temperature oxidation at surfaces using ozone decomposition products formed by microwave discharge |
| 05/21/1997 | EP0626467B1 Method of continuously carburizing steel strip |
| 05/20/1997 | US5630887 Treatment of furnace tubes |
| 05/09/1997 | WO1997016692A1 Modification of metal surfaces |
| 05/09/1997 | WO1997016579A1 Living body contacting metal material |
| 05/09/1997 | WO1996041897A3 Durable plasma treatment apparatus and method |
| 05/07/1997 | DE19644967A1 Method for manufacturing of drive roller for Torus-type stageless gear |
| 05/06/1997 | US5626974 High carbon steel, surface carbonitride |
| 05/02/1997 | EP0770702A1 Process for increasing the corrosion-resistance of TiAl based alloys |
| 05/01/1997 | WO1997015402A1 Apparatus and method for manufacturing a packaging material |
| 05/01/1997 | CA2169146A1 Method of depositing chromium and silicon on a metal to form a diffusion coating |
| 04/30/1997 | CN1034745C Method for nitriding austenitic stainless steel products |
| 04/29/1997 | US5624255 Multipurpose controlled atmosphere heat treatment system |
| 04/24/1997 | WO1997014820A1 Method of treating titanium parts |
| 04/24/1997 | DE19539305A1 Titanium@-aluminium@ alloy parts with improved high temperature corrosion resistance |
| 04/23/1997 | EP0769569A2 Process for stabilisation of a patina layer |
| 04/22/1997 | US5622683 Chemically modified carbonaceous materials made by the defluorination of graphite fluoride and process therefor |
| 04/17/1997 | WO1997014172A1 Method and apparatus for plasma processing |
| 04/10/1997 | WO1997013002A1 Method for nitriding surface of aluminum material and assistant for nitriding |
| 04/10/1997 | DE19538591C1 Carburisation of sponge iron |
| 04/09/1997 | EP0707739B1 Cobalt/rare earth type magnetic powders containing fluorine and corresponding densified permanent magnets and process for the preparation thereof |
| 04/08/1997 | US5618388 Geometries and configurations for magnetron sputtering apparatus |
| 04/02/1997 | EP0621906B1 Silver-metal oxide materials for electrical contacts |
| 04/02/1997 | CN1146499A Cold-moulding die steel of medium-carbon high-alloyc arburization |
| 04/02/1997 | CN1146498A Nitrizing for steel |
| 04/02/1997 | CN1146496A Aluminium alloy |
| 03/26/1997 | CN1034349C Quick gas thin layer carbonitriding for hacksaw blade |
| 03/25/1997 | US5614270 Silicon dioxide film on substrate by treatment with oxygen and hydrogen |
| 03/19/1997 | EP0763606A1 Long-lived carburized bearing steel |
| 03/19/1997 | EP0763146A1 LOW TEMPERATURE PLASMA-ENHANCED FORMATION OF TiN FILMS |
| 03/19/1997 | EP0763143A1 Method of treating titanium parts |
| 03/19/1997 | EP0738313A4 Cracking processes |
| 03/19/1997 | CN1145643A Long-lived carburized bearing steel |
| 03/19/1997 | CN1145416A Combustion fast carbon nitrogen coosmolar cream |
| 03/18/1997 | US5611872 Magnetic strips and methods for making the same |
| 03/13/1997 | DE19533410A1 Corrosion protective lining for copper@ pipe during drawing |
| 03/13/1997 | DE19532938A1 Sludge remover for mixed salt liq. |
| 03/12/1997 | CN1144987A Manufacturing method for thrust screw special used on electric boss rod and thrust screw |
| 03/04/1997 | US5608766 Co-deposition of palladium during oxide film growth in high-temperature water to mitigate stress corrosion cracking |
| 03/04/1997 | US5607522 Internally oxidizing first metal layer of metal composite through first external surface portion while forming barrier to internal oxidizing in second metal layer on second external surface portion, removing barrier to form contact |
| 02/27/1997 | WO1997007651A1 Metallic high temperature resistant material and a method of producing it |
| 02/26/1997 | CN1143981A Composite article, alloy and method |
| 02/25/1997 | US5605742 Metal material formed with fluorocarbon film, process for preparing the material and apparatus made with use of the material |
| 02/25/1997 | US5605741 Multilayer |
| 02/25/1997 | US5605580 Uniformity coating; alternating carburizing, decarburizingcycles |
| 02/19/1997 | EP0758410A1 Process for incorporating material into the surface of a solid body and altering it, in particular the surface of a material |
| 02/18/1997 | US5603772 Furnace equipped with independently controllable heater elements for uniformly heating semiconductor wafers |
| 02/12/1997 | EP0757884A1 Method of forming a fluorinated silicon oxide layer using plasma chemical vapor deposition |
| 02/04/1997 | US5599404 Stability |
| 02/04/1997 | US5598968 Method for preventing recrystallization after cold working a superalloy article |
| 01/28/1997 | US5597109 Welding method for forming chromium oxide passivated film at welded portion, welding apparatus, and process apparatus |
| 01/23/1997 | WO1997002367A1 Base material for producing blades for circular saws, cutting-off wheels, mill saws as well as cutting and scraping devices |
| 01/23/1997 | DE19525965A1 Providing the contact surfaces of roller bearing ring races with adhesive coating |
| 01/23/1997 | CA2226145A1 Base material for producing blades for circular saws, cutting-off wheels, mill saws as well as cutting and scraping devices |