| Patents for C23C 22 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals (14,001) |
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| 09/02/1980 | US4220486 Conversion coating solution for treating metallic surfaces |
| 09/02/1980 | US4220485 Process for sealing phosphatized metal components |
| 08/26/1980 | CA1084391A1 Preparation of aluminum for cold working |
| 08/05/1980 | US4216032 Oil composition and method for treating phosphated metal surfaces |
| 08/05/1980 | CA1083018A1 Compositions and processes for producing chromium conversion coatings on surfaces of zinc/iron alloy |
| 07/29/1980 | CA1082576A1 Black chromate coatings |
| 07/29/1980 | CA1082575A1 Process for phosphate conversion coating treatment |
| 07/23/1980 | EP0013328A1 Method for treatment of a metal surface |
| 07/22/1980 | US4213792 Coating solution for applying tensioning coatings to electrical steel strip |
| 07/22/1980 | CA1082220A1 Corrosion inhibitors |
| 07/15/1980 | US4212685 Treatment with ferric citrate |
| 07/15/1980 | CA1081555A1 Vapor treatment of metal tire cord |
| 07/15/1980 | CA1081407A1 Treating zinc with aqueous tannin and silica or alumina |
| 07/08/1980 | CA1081096A1 Passivating metal surfaces |
| 07/01/1980 | US4210499 Method of forming colored patterns on aluminum or its alloys |
| 06/25/1980 | EP0012695A1 Composition and method for sealing phosphatized metal components |
| 06/24/1980 | CA1080152A1 Electrochemical finishing of stainless steel |
| 06/24/1980 | CA1080093A1 Compositions and process for treatment of metallic surfaces by means of fluorophosphate salts |
| 06/24/1980 | CA1080051A1 Method of treating steel sheets for forming |
| 06/17/1980 | US4208223 Method of painting aluminum surfaces |
| 06/10/1980 | CA1079164A2 Ferruginous substrate with methylene chloride phosphatized coating |
| 05/27/1980 | US4204913 Solvent recovery apparatus |
| 05/20/1980 | US4203809 Copper foil hypochlorite treatment method and product produced |
| 05/13/1980 | US4202706 Corrosion resistance treatment of aluminum with N-alkyl-fluoroaliphaticsulfonamidophosphonic acids and salts thereof |
| 04/29/1980 | US4200475 Process for dyeing aluminum-containing zinc-based alloys |
| 04/29/1980 | CA1076462A1 Technique for stabilizing contact resistance of gold plated electrical contacts |
| 04/22/1980 | US4199488 Metal treating |
| 04/22/1980 | US4199381 Preparation of metals for cold forming |
| 04/15/1980 | CA1075569A1 Solvent phosphatizing compositions yielding non water soluble coatings |
| 04/08/1980 | US4197340 Drawing composition and process |
| 04/08/1980 | CA1075134A1 Phosphating process |
| 04/02/1980 | EP0009175A1 Process for the production of zinc phosphate as a corrosion inhibiting pigment |
| 04/01/1980 | US4196023 Treating automobile bodies |
| 03/25/1980 | US4195124 Copper oxide coating on copper or copper alloy substrate |
| 03/25/1980 | US4194929 Technique for passivating stainless steel |
| 03/19/1980 | EP0008942A1 Compositions and processes for coating aluminium |
| 03/18/1980 | CA1073610A1 Low-temperature curing coating composition |
| 03/11/1980 | US4192694 Benzotriazole, adhesion, corrosion resistance |
| 03/11/1980 | CA1073322A1 Ceramic treating process and product produced thereby |
| 03/04/1980 | US4191596 Method and compositions for coating aluminum |
| 02/26/1980 | US4190469 Applying water slurry containing calcium oxide and magnesium oxide, adjusting water content relative to calcium oxide content, drying, coiling, annealing |
| 02/26/1980 | CA1072412A1 Chrome removal and recovery |
| 02/20/1980 | EP0008211A1 A method for calcite coating on the inner surface of pipes |
| 02/19/1980 | US4189330 Method for making humidity and heat exchanger apparatus |
| 02/19/1980 | CA1071984A1 Protective coating for aluminum products |
| 02/05/1980 | US4187127 Surface processing solution and surface treatment of aluminum or aluminum alloy substrate |
| 02/05/1980 | CA1071110A1 Tone arm assembly with vibration control |
| 02/05/1980 | CA1071070A1 Phosphatation of metallic surfaces |
| 02/05/1980 | CA1071039A1 Method for producing coated electrical steel sheets having excellent punchability, weldability, electrical insulation and heat resistance |
| 01/29/1980 | US4186035 Chromium containing coating |
| 01/15/1980 | US4183772 Corrosion resistance and improved paint adhesion |
| 01/15/1980 | CA1069805A1 Electrically insulating coatings |
| 01/08/1980 | US4182639 Method for improving the adhesion of brass-coated steel cord to rubber |
| 01/08/1980 | US4182638 Coating process with voltammetric sensing of the coating solution |
| 01/08/1980 | US4182637 Citric acid and sodium sodium nitrite |
| 01/01/1980 | US4181539 Process of phosphating an iron substrate in a closed system using aromatic nitro compound accelerators |
| 12/25/1979 | US4180417 Phosphating of metallic substrate |
| 12/25/1979 | US4180406 Post treating zinc surfaces |
| 12/18/1979 | CA1068180A1 Method for treating oxidized steel surfaces |
| 11/27/1979 | CA1066998A1 Methylene chloride phosphatizing |
| 11/20/1979 | US4174980 Melamine-formaldehyde and tannin treatment of metal surfaces |
| 11/13/1979 | CA1066442A1 Post-treatment of conversion-coated metal surfaces |
| 11/06/1979 | CA1065696A1 Articles including passivated metal particles and their production |
| 10/16/1979 | US4171231 Coating solutions of trivalent chromium for coating zinc surfaces |
| 10/09/1979 | US4170671 Corrosion resistance, acrylic polymer and chromium compound |
| 10/09/1979 | US4170493 Method for treatment of oxidized metal surfaces |
| 10/02/1979 | US4169916 Steel sheets and method of treating steel sheets |
| 10/02/1979 | US4169741 Method for the surface treatment of metals |
| 09/25/1979 | US4168983 Phosphate coating composition |
| 09/25/1979 | CA1062970A1 Method for improving hydrolytic stability of the bond between steel surfaces and organic adhesives |
| 09/18/1979 | CA1062560A1 Method for the manufacture of a steel sheet adapted for use in ironing processing having good lubrication property |
| 09/11/1979 | CA1062098A1 Melamine-formaldehyde and tannin treatment of metal surfaces |
| 09/04/1979 | CA1061689A1 Premix for coating composition for metal substrates |
| 09/04/1979 | CA1061657A1 Steel sheets and strips having good paintability and a production method therefor |
| 08/21/1979 | US4165242 Treatment of metal parts to provide rust-inhibiting coatings by phosphating and electrophoretically depositing a siccative organic coating |
| 08/07/1979 | US4163679 Aluminum treatment with alkaline solution and tannin |
| 08/07/1979 | CA1059881A1 Formation of nickel phosphate coatings on iron or steel |
| 07/17/1979 | CA1058551A1 Method for manufacturing chromated electro-galvanized steel sheet |
| 06/26/1979 | US4159230 Treatment of chromium electrodeposit |
| 06/26/1979 | CA1057174A1 Grain-oriented silicon steel and processing therefor |
| 06/19/1979 | US4158578 Method for forming a carbide layer of a Va-Group element of the periodic table or chromium on the surface of a ferrous alloy article |
| 06/19/1979 | CA1056659A1 Method of forming a hydrophilic coating on an aluminum surface |
| 06/12/1979 | CA1056106A1 Insulative coatings for electrical steel |
| 05/15/1979 | CA1054309A1 Chemical surface coating bath |
| 05/08/1979 | US4153479 Oxidant-free with citric or tartaric acids or salts as antisludging agents |
| 05/08/1979 | US4153478 Process for treatment of metallic surfaces by means of fluorophosphate salts |
| 05/08/1979 | CA1053996A1 Chromium oxide densification, hardening and strengthening of formed bodies and coatings having interconnected porosity |
| 05/01/1979 | US4152176 Method of preparing titanium-containing phosphate conditioner for metal surfaces |
| 04/17/1979 | US4149909 Sodium acid phosphate, sodium chlorate oxidizer, hydroxylamine sulfate reducing agent |
| 04/17/1979 | US4149908 Coating with an oxidizing alkali metal nitrate, bromate or chlorate composition and heat fusing to form oxide |
| 04/17/1979 | CA1052672A1 Plant for surface treating, in particular pickling and phosphatizing, metallic work pieces |
| 04/10/1979 | US4148707 Electrochemical finishing of stainless steel |
| 04/10/1979 | US4148699 Cutlery |
| 04/10/1979 | US4148670 Containing phosphates, fluorides, and zirconium or titanium compound |
| 04/03/1979 | US4147567 Applying phosphate coating to metal substrate with an acidic zin phosphate solution a lignosulfonate salt |
| 03/27/1979 | US4146410 Corrosion resistant and improved paint adhesion |
| 03/27/1979 | CA1051290A1 Method for the production of black plate with improved surface lubricity |
| 03/21/1979 | EP0001198A1 Process for the manufacture of articles by the thermoforming of aluminium or magnesium or of aluminium or magnesium base alloys |
| 03/20/1979 | US4145462 Process for producing solar collectors |
| 03/20/1979 | US4145234 Process for providing aluminum substrates with light-absorptive surface layer |