| 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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| 11/02/1982 | CA1134725A1 Non-chromate conversion coatings |
| 10/26/1982 | CA1134246A1 Phosphatizing prior to cathodic electropainting |
| 10/19/1982 | CA1133808A1 Process for increasing the corrosion resistance of nitrided component parts of iron material |
| 10/19/1982 | CA1133806A1 Detergent phosphatizer composition and method of using same |
| 10/13/1982 | EP0062513A1 A method of providing an anti-stick coating on non-oriented, semi-processed electrical steels to be subjected to a quality anneal |
| 10/12/1982 | CA1133362A1 Chromium-free metal surface treatment |
| 10/06/1982 | EP0061911A1 Process and composition for treating phosphated metal surfaces |
| 10/05/1982 | CA1132887A1 Composition and method for coating metal surfaces |
| 09/28/1982 | US4351883 Compositions for treating aluminum surfaces for tarnish resistance |
| 09/28/1982 | US4351675 Conversion coatings for zinc and cadmium surfaces |
| 09/22/1982 | EP0060716A1 Phosphating metal surfaces |
| 09/21/1982 | CA1132033A1 Composition and process for inhibiting corrosion of ferrous or non-ferrous metal surfaced articles and providing receptive surface for synthetic resin coating compositions |
| 09/15/1982 | EP0059994A1 Process for the production of phosphate coatings on metal surfaces |
| 09/14/1982 | US4349612 Having a pyrophoric surface with a pyrophoric-intensifying coating |
| 09/14/1982 | US4349514 Process for recovery of reusable chromic acid from the waste chromic acid solution containing impurities |
| 09/14/1982 | US4349392 Trivalent chromium passivate solution and process |
| 09/08/1982 | EP0059273A1 Composite bearing |
| 09/01/1982 | EP0058711A1 Process and product for the passivation of iron and steel surfaces. |
| 08/31/1982 | US4347085 Insulative coatings for electrical steels |
| 08/24/1982 | CA1130148A1 Adhesion of brass-coated tire cord to rubber |
| 08/18/1982 | EP0057983A2 Method for producing coated grain oriented silicon steel |
| 08/17/1982 | US4344308 Method for cold rolling and cleaning steel plates |
| 08/11/1982 | EP0057334A2 Pretreatment process for galvanized metal prior to its coating with organic powder |
| 08/04/1982 | EP0056881A1 Method of phosphating metals |
| 07/28/1982 | EP0056675A2 Pretreatment composition for phosphatising ferrous metals, and method of preparing the same |
| 07/27/1982 | US4341878 Compositions for treating aluminum surfaces for tarnish resistance |
| 07/27/1982 | US4341558 Metal surface coating agent |
| 07/21/1982 | EP0056269A1 Silicate treatment for coated substrate |
| 07/20/1982 | CA1127916A1 Method for calcite coating on the inner surface of pipes |
| 07/14/1982 | EP0055881A1 Method for the treatment of metal surfaces |
| 07/14/1982 | EP0055801A2 Process for thickening aqueous systems |
| 07/13/1982 | US4339310 Silicon, titanium, zirconium |
| 07/07/1982 | EP0055615A1 A method for forming a conversion coating on a metal surface |
| 07/06/1982 | US4338141 Formation of zinc phosphate coating on metallic surface |
| 07/06/1982 | US4338140 Coating composition and method |
| 06/29/1982 | US4337097 Method for making a selective absorption film for solar energy |
| 06/24/1982 | WO1982002064A1 Phosphate coating process and composition |
| 06/15/1982 | US4334936 Liquid composition for phosphating metal surfaces |
| 06/09/1982 | EP0053351A1 A method for forming a protective coating film on the surface of the elements of a slide fastener chain made of aluminum |
| 06/09/1982 | EP0053279A1 Method of preparing a printed circuit |
| 06/01/1982 | US4332628 Selective absorber of solar energy and process for producing same |
| 05/25/1982 | US4331487 Conductive coatings for metal substrates |
| 05/25/1982 | CA1124163A1 Iron phosphate accelerator |
| 05/19/1982 | EP0052056A1 Method for producing a selective absorption sheet of solar radiation and the product |
| 05/18/1982 | US4330345 Buffered zinc phosphate solution and an alkali metal phosphate; crystal structure; phosphating; automobiles |
| 05/18/1982 | US4330344 Selective absorber of solar energy and process for producing same |
| 05/18/1982 | CA1123717A1 Continuous phosphate coating process for ferrous or zinciferous metal substrate |
| 05/11/1982 | US4329402 Micro-throwing alloy undercoatings and method for improving corrosion resistance |
| 05/04/1982 | US4328047 Corrosion resistance, sodium fluoride and chromic acid |
| 05/04/1982 | US4328046 Chromate conversion coatings |
| 05/04/1982 | CA1122888A1 Metal phosphatizing employing chlorate and aromatic nitro compound accelerator |
| 04/27/1982 | US4326894 Process for the production of conversion layers on metal surfaces by the spray method |
| 04/21/1982 | EP0049730A1 An apparatus for surface treatment of a steel strip |
| 04/21/1982 | EP0049706A1 Method and apparatus for continuously forming color display layer on stainless steel strip |
| 04/20/1982 | US4325749 Method of treating welding rod for corrosion resistance |
| 04/20/1982 | US4325320 Apparatus employed in surface treatment |
| 04/13/1982 | US4324598 Coating with separator of limited water content, drying, coiling |
| 04/13/1982 | CA1121700A1 Producing hydrous oxide of controlled thickness on aluminum capacitor foil |
| 04/13/1982 | CA1121699A1 Process for dyeing zinc and zinc alloys |
| 04/07/1982 | EP0049077A1 Interlaminar coating compositions cured at low temperatures |
| 03/30/1982 | US4322251 Maintaining a zone of vaporized low-boiling solvent to degrease, clean, or phosphatize metal; heat pumps; themodynamics |
| 03/23/1982 | CA1120251A1 Corrosion inhibiting hafnium compositions |
| 03/16/1982 | US4319924 Low-temperature curing coating composition |
| 03/10/1982 | EP0047129A1 Grain-oriented silicon steel sheets having a very low iron loss and methods for producing the same |
| 03/10/1982 | EP0046867A1 Process for phosphating of objects |
| 03/09/1982 | US4318828 Enhanced oxide whisker growth on cold-rolled aluminum-containing stainless steel foil |
| 03/04/1982 | WO1982000665A1 Process and product for the passivation of iron and steel surfaces |
| 03/02/1982 | CA1119248A1 Voltammetric monitoring of coating solutions |
| 02/24/1982 | EP0046229A2 Cleaning and priming compositions and method of use |
| 02/23/1982 | US4316752 Oxalic acid treatment of carbon steel, galvanized steel and aluminum surfaces |
| 02/23/1982 | US4316751 Nitrate and phosphate anions, curing |
| 02/09/1982 | US4314859 Process for dyeing zinc and zinc alloys |
| 02/03/1982 | EP0045110A1 Method for the production of phosphate coatings on iron and steel surfaces, and its use |
| 02/02/1982 | US4313769 Contains zirconium, titanium or hafnium and fluoride which is corrosion resistant and resist discoloration |
| 02/02/1982 | CA1117260A1 Coating solution for electrical steels |
| 01/26/1982 | US4312922 Lubricated cupreous sheet comprising an organophosphonate layer and process therefor |
| 01/21/1982 | WO1982000160A1 Method of producing conversion coatings |
| 01/20/1982 | EP0044171A1 Method of producing conversion coatings |
| 01/19/1982 | US4311538 Method of sealing an inner cover arranged in a box annealing furnace used for producing grain-oriented silicon steel sheets |
| 01/19/1982 | US4311536 Processes of phosphating surfaces of iron and of steel with manganese |
| 01/19/1982 | US4311535 Composition for forming zinc phosphate coating over metal surface |
| 01/19/1982 | CA1116475A1 Method for the manufacture of parts from aluminium or magnesium based alloys by keat forming |
| 01/12/1982 | CA1116163A1 Rotor for regenerative heat and/or moisture exchanger |
| 01/12/1982 | CA1116119A1 Treatment of chromium electrodeposit |
| 12/30/1981 | EP0042783A1 Method of producing bioactive coatings on bone prostheses, and prostheses so obtained |
| 12/30/1981 | EP0042631A1 Method of phosphating metallic surfaces |
| 12/29/1981 | US4308160 Protecting metals |
| 12/29/1981 | US4308079 Treating with an amino phosphonate compound corrosion inhibitor |
| 12/22/1981 | US4306917 Conversion coating solutions for treating metallic surfaces |
| 12/15/1981 | US4305791 Method for the manufacture of capacitive electronic discs |
| 11/25/1981 | EP0040461A1 Electroplating of titanium and titanium alloy |
| 11/25/1981 | EP0040369A1 Apparatus for the surface treatment of an object |
| 11/24/1981 | CA1113075A1 Hanging device for bar materials |
| 11/17/1981 | CA1112432A1 Protective coating for metals |
| 11/11/1981 | EP0039360A1 A process for the preparation of a dark-coloured, weave-length selective oxide film on aluminium. |
| 11/10/1981 | US4299640 Rubber-brass adhesion improved through treatment of the metal with amino carboxylic acid or salt thereof |
| 11/10/1981 | CA1112137A1 Method for the surface treatment of metals |
| 11/10/1981 | CA1112136A1 Method of stabilizing viscosity and increasing concentration of aqueous magnesia slurry |
| 11/10/1981 | CA1112135A1 Aluminum treatment |
| 11/04/1981 | EP0039093A1 Method of phosphating the surfaces of metals, and its use |