| Patents for C25D 11 - Electrolytic coating by surface reaction, i.e. forming conversion layers (8,800) |
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| 09/05/1978 | US4111762 Optically black coating and process for forming it |
| 08/22/1978 | USRE29739 Process for forming an anodic oxide coating on metals |
| 08/22/1978 | US4109287 Aluminum or alloy |
| 08/22/1978 | US4108736 Depositing metals or their alloys, subjecting to anodic oxidation |
| 08/08/1978 | US4105512 Method for the manufacture of a superconductive Nb3 Sn layer on a niobium surface for high frequency applications |
| 08/08/1978 | US4105511 Process for treating the surface of aluminum or aluminum alloy |
| 07/25/1978 | US4103048 Ammonia vapors, solution of chromic and phosphoric acids |
| 07/11/1978 | US4100041 Sulfofumaric acid, sulfuric acid, oxalic acid, metal sulfate |
| 07/04/1978 | US4098194 Hypervelocity projectile with aluminum components of high resistance to thermodynamic ablation |
| 05/30/1978 | US4092637 Liquid electrolyte type electrochromic display device |
| 05/23/1978 | US4091126 Method of dyeing a pattern like the grain of wood on the surface of an aluminum |
| 05/23/1978 | US4090934 Gold plating with electrochemical passivation |
| 05/23/1978 | US4090929 Rapid chromic acid anodization |
| 05/16/1978 | US4090231 Screen printed solid electrolytic capacitor |
| 05/16/1978 | US4089756 Hard anodizing process |
| 04/18/1978 | US4085012 Anodizing in phosphoric acid |
| 04/11/1978 | US4084014 Process for sealing anodic oxidation layers on aluminium surfaces and its alloys |
| 04/11/1978 | US4083756 Anodizing aluminum or its alloys, sealing with a perfluorinated polycarboxylic acid |
| 04/04/1978 | US4082626 Process for forming a silicate coating on metal |
| 04/04/1978 | US4082620 Process for chromating metallic surfaces |
| 01/31/1978 | US4071417 Process for decreasing the porosity of gold |
| 01/24/1978 | US4070255 Process for electrolytically coloring aluminum and aluminum alloys |
| 01/10/1978 | US4067786 Method and apparatus for reforming solid electrolytic capacitors |
| 01/10/1978 | US4067106 Apparatus for placing insulators |
| 01/03/1978 | US4066816 Electrolytic coloring of anodized aluminium by means of optical interference effects |
| 01/03/1978 | US4066516 Anodizing, barriers |
| 12/27/1977 | US4065364 Process for anodizing aluminum |
| 12/20/1977 | US4064020 Anodizing in sulfuric acidchromic acid bath |
| 11/29/1977 | US4060462 Color anodizing of aluminum |
| 11/22/1977 | US4059494 Process for continuous electrolytic coloring of aluminum or aluminum base alloy strip and wire |
| 10/04/1977 | US4052273 Method of anodizing porous tantalum |
| 09/13/1977 | US4048025 Electrolytic process for silver oxidation |
| 09/06/1977 | US4046649 Forward-reverse pulse cycling anodizing and electroplating process |
| 08/30/1977 | US4045599 Low temperature sealing of anodized aluminum |
| 08/30/1977 | US4045302 Multilevel metallization process |
| 08/23/1977 | US4043880 Method for producing green-colored anodic oxide film on aluminum or aluminum base alloy articles |
| 08/16/1977 | US4042471 Anodizing |
| 08/16/1977 | US4042469 Process for electrolytically coloring aluminum and aluminum alloys in gold |
| 08/16/1977 | US4042468 Process for electrolytically coloring aluminum and aluminum alloys |
| 07/12/1977 | US4035248 Method for the manufacture of a steel sheet having a Ni-diffused base layer which is treated with a chromic acid |
| 06/21/1977 | US4031275 Low temperature vapor sealing of anodized aluminum |
| 06/21/1977 | US4031027 Chemical surface coating bath |
| 05/31/1977 | US4026781 Positive and negative current pulses |
| 05/31/1977 | US4026741 Technique for preparation of stoichiometric III-V compound semiconductor surfaces |
| 05/31/1977 | US4026728 Steel sheets and strips having a surface layer of M-Si-R |
| 05/24/1977 | US4025681 Aluminum coated with a polymer |
| 05/17/1977 | US4024039 Electric current |
| 05/17/1977 | US4023986 Boron trifluoride, trifluoro-alkaryl amine |
| 05/10/1977 | US4022671 Electrolytic coloring of anodized aluminum |
| 05/10/1977 | US4022670 Aluminum |
| 05/03/1977 | US4021592 Porosity |
| 05/03/1977 | US4021315 Process for electrolytic coloring of the anodic oxide film on aluminum or aluminum base alloys |
| 03/29/1977 | US4014758 Continuous electrolytical treatment of aluminum or its alloys |
| 03/08/1977 | US4011152 System for autocontrolling and regulating the average value of the voltage applied to processes for the electrolytic coloring of anodized aluminum |
| 02/22/1977 | US4009085 Lubricating coating for metal sheet |
| 01/11/1977 | US4002549 Apparatus and method for continuous electrolytic coloring of aluminum articles |
| 01/11/1977 | US4002541 Aluminum-silicon alloy, etching, anodizing |
| 12/28/1976 | US4000053 Method for treatment of aluminum substrate |
| 12/21/1976 | US3998779 Coating method and composition for the sacrificial protection of metal substrates |
| 12/21/1976 | US3998601 Thin foil |
| 12/14/1976 | US3997412 Method of forming oxide film on aluminum or aluminum alloy |
| 12/14/1976 | US3997301 Tin-electroplated steel sheets and method for making them |
| 12/07/1976 | US3996125 Apparatus for electrolytically processing aluminium material |
| 12/07/1976 | US3996115 Process for forming an anodic oxide coating on metals |
| 11/02/1976 | US3989876 Aqueous solution containing fluoride ions and an oxidizing electrolyte |
| 11/02/1976 | US3989605 Method for continuous electrolytic coloring of aluminum articles |
| 11/02/1976 | US3989603 Anodizing aluminum, embossing, removal of aluminum oxide layer |
| 10/26/1976 | US3988215 Method for recording potential capacity of a formed foil in a continuous foil forming process |
| 10/19/1976 | US3986940 Process for manufacturing electrolytically chromated steel sheet |
| 10/19/1976 | US3986843 Process for manufacturing chromated electro-galvanized steel sheet and sheet made thereby |
| 10/12/1976 | US3985629 Sulfosalicylic-sulfophthalic-sulfuric-citric-succinic acids |
| 09/28/1976 | US3983014 Anodizing means and techniques |
| 08/31/1976 | US3977948 Process for coloring, by electrolysis, an anodized aluminum or aluminum alloy piece |
| 08/17/1976 | US3975254 Forward-reverse pulse cycling anodizing and electroplating process power supply |
| 07/27/1976 | US3971710 Electroconductive |
| 07/13/1976 | US3969211 Continuous apparatus for electrolytic treatment on a long structure of aluminum or its alloys |
| 06/29/1976 | US3966570 Electrolytic post-treating method of electrolytically chromate treated or metallic chromium plated steel sheet |
| 06/15/1976 | US3963591 Method of coloring of anodized aluminum and aluminum alloys by electrolytic treatment in the metal salt solutions |
| 06/08/1976 | US3962061 Process for coating aluminum or aluminum alloy |
| 06/08/1976 | US3962049 Process for coloring aluminum anodic oxide film |
| 06/08/1976 | US3962048 Method for forming a uniform oxide film on a valve metal |
| 06/01/1976 | US3961111 Method of increasing corrosion resistance of anodized aluminum |
| 06/01/1976 | US3960676 Water soluble oxyacid salt, polar resin |
| 05/25/1976 | US3959091 Fluoride ions |
| 05/25/1976 | US3959090 Continuous electrolyte coloring of a pre-anodised aluminum foil or strip |
| 05/11/1976 | US3956095 Sacrificial anode |
| 05/11/1976 | US3956082 Anodizing bath for composite metal material composed of aluminum or aluminum alloy and different metal having a lower ionization tendency |
| 05/11/1976 | US3956081 Method of high speed resistor trimming |
| 05/11/1976 | US3956080 Coated valve metal article formed by spark anodizing |
| 03/23/1976 | US3945899 Process for coating aluminum or aluminum alloy |
| 03/23/1976 | US3945895 Method of producing colored anodic coating on aluminum and its alloys |
| 03/09/1976 | US3943041 Anodized coating |
| 03/09/1976 | US3943039 Anodizing pretreatment for nickel plating |
| 02/24/1976 | US3940321 Methods of treating aluminium |
| 02/17/1976 | US3939010 Manganese dioxide cathode |
| 01/27/1976 | US3935349 Process of coating an aluminum article |
| 01/27/1976 | US3935084 Colored oxide film on aluminum or alloy |
| 01/27/1976 | US3935080 Graining, cleaning, anodizing |
| 01/06/1976 | US3930966 Method of forming colored oxide film on aluminum or aluminum alloy |
| 01/06/1976 | US3930964 Method for painting aluminum or aluminum-based alloy material |