| 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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| 09/15/1992 | US5147472 Method for sealing conversion coated metal components |
| 09/09/1992 | EP0465593A4 Process and composition for forming black oxide layers |
| 09/09/1992 | CN1064320A Nickel alloy electroplated cold-rolled steel sheet excellent in press-firmability and phosphating-treatability and method for manufacturing same |
| 09/03/1992 | WO1992014868A1 Two-step chemical/electrochemical process for coating magnesium |
| 09/01/1992 | US5143806 Process for forming barium metaplumbate |
| 09/01/1992 | US5143562 Broadly applicable phosphate conversion coating composition and process |
| 09/01/1992 | CA1306929C Process of producing phosphate coatings |
| 09/01/1992 | CA1306907C Aluminum heat exchanger coating |
| 08/29/1992 | WO1992015724A1 Aluminum based phosphate final rinse |
| 08/26/1992 | CN1063989A Adhesion method of copper to resin |
| 08/26/1992 | CN1063908A Surface treating liquid for rust removal and corrosion prevention of iron and steel products |
| 08/25/1992 | US5141822 Precoated steel sheet having improved corrosion resistance and formability |
| 08/25/1992 | US5141576 Titanium composite materials coated with calcium phosphate compound and process for production thereof |
| 08/25/1992 | US5141575 Surface treatment for zinciferous surfaces |
| 08/18/1992 | US5139586 Phosphating solution containing phosphate esters, zirconium and fluoride ions, esterified polyoxyethylene glycol, nitric acid |
| 08/13/1992 | CA2059962A1 Method and composition for treatment of aluminum |
| 08/12/1992 | CN1063510A Water-base priming coating liquor for zinc-plated iron and its technology of production |
| 08/11/1992 | US5137589 Method and composition for depositing heavy iron phosphate coatings |
| 08/06/1992 | DE4103460A1 Metal and phosphoric acid recovery from metal phosphatisation sludge - by alkaline hydrolysis, solid liquid sepn. and recovery of acid and alkali from liquid |
| 08/05/1992 | EP0497663A1 Method of manufacturing corrosion resistant steel components and keeping their friction properties by nitriding and then oxidizing them |
| 08/05/1992 | CN1017727B Process of micro-chromium passivaion free from nitrate radical and sulfate radical |
| 08/04/1992 | US5135817 Zn-Mg alloy vapor deposition plated metals of high corrosion resistance, as well as method of producing them |
| 08/04/1992 | US5135583 Phosphating process |
| 07/30/1992 | CA2039887A1 Heterocyclic alcohol composition and method for sealing conversion coated metal components |
| 07/29/1992 | EP0496416A1 Nickel alloy electroplated cold-rolled steel sheet excellent in press-formability and phosphating-treatability and method for manufacturing same |
| 07/29/1992 | CN1063129A Liquid for treating metallic surface |
| 07/21/1992 | US5132181 Phosphonic/phosphinic acid bonded to aluminum hydroxide layer |
| 07/21/1992 | US5131948 Anticorrosion coating composition |
| 07/15/1992 | EP0494431A1 Method for producing chromate-treated plate steel material |
| 07/15/1992 | CN1062771A Face treating method of iron wire for civil engineering |
| 07/14/1992 | US5129967 Composition and method for non-chromate coating of aluminum |
| 07/08/1992 | EP0493945A2 Process for producing grain-oriented electrical steel sheet having low watt loss |
| 07/08/1992 | EP0493482A1 Articles with zinciferous surfaces with improved unpainted corrosion resistance, and processes for making and using the same |
| 07/08/1992 | CN1062559A Rust-proof solution for iron and steel materials |
| 07/07/1992 | US5128211 Aluminum based phosphate final rinse |
| 07/07/1992 | US5128177 Injection, drainage; automobiles |
| 07/01/1992 | EP0493280A1 Copper tube with improved corrosion resistance and process for manufacturing the same |
| 07/01/1992 | EP0492713A1 Process for rinsing conversion coatings |
| 07/01/1992 | EP0492566A1 Method of producing a green protecting coating on copper-containing materials |
| 07/01/1992 | EP0492306A2 Steel sheet with enhanced corrosion resistance having a silane treated silicate coating |
| 06/30/1992 | US5125989 Method and composition for coating aluminum |
| 06/30/1992 | CA1304413C Metal-chelating diphenolamine oligomers for corrosion inhibition of metal substrates |
| 06/26/1992 | WO1992014862A1 Method for treating aluminum containing surfaces |
| 06/26/1992 | CA2099110A1 Method for treating aluminum containing surfaces |
| 06/24/1992 | EP0491279A1 Process for the treatment of surfaces of technical elements and hollow bodies designed for the containment of liquid or gaseous media, for reducing microbial growth on said surfaces |
| 06/23/1992 | US5123978 Corrosion resistant chromate conversion coatings for heat-treated aluminum alloys |
| 06/23/1992 | US5123930 1:2 chromium and cobalt complexes of monoazo compounds for drying porous oxide layers on aluminum and aluminum alloy substrates |
| 06/23/1992 | CA1303917C Highly corrosion resistant surface treated steel plate |
| 06/22/1992 | CA2057825A1 Process of postrinsing conversion layers |
| 06/16/1992 | US5122202 Method and compositions for coating non-ferrous metals |
| 06/11/1992 | WO1992009720A1 Composition and method for treating tin plated steel surface |
| 06/09/1992 | CA1302662C Metal particle |
| 06/03/1992 | EP0488430A2 Non-chromated cobalt conversion coating |
| 06/03/1992 | EP0488353A1 Method for treatment of metal surfaces |
| 06/03/1992 | EP0488280A2 Weldable colored steel sheet |
| 06/03/1992 | CN1061626A New style phosphating liquid and its preparation metbod |
| 06/02/1992 | US5118367 Zinc phosphate coating; corrosion resistance and improved adhesion to rubber after vulcanization |
| 06/02/1992 | US5117850 Device for surface treating of metal parts |
| 05/31/1992 | CA2056639A1 Weldable colored steel sheet |
| 05/29/1992 | WO1992009721A1 Composition and process for chromating metal surfaces |
| 05/29/1992 | CA2096642A1 Composition and process for chromating metal surfaces |
| 05/27/1992 | EP0487200A1 Fluoropolymer aluminium laminate |
| 05/27/1992 | EP0486778A1 Non-chrome final rinse for phosphated metal |
| 05/26/1992 | US5117370 Quantitative analysis of aqueous phosphate conversion coating bath by purifying; determining concentrations of zinc, phosphate and nitrite ions; determining pH |
| 05/26/1992 | US5116672 Organic polymer, ion-realtive pigment of metal spheroid particles; aerospace, construction materials |
| 05/20/1992 | EP0486476A2 Processes and products for surface treatment |
| 05/20/1992 | EP0485972A1 Method for producing organic composite-plated steel sheet |
| 05/19/1992 | US5114799 Ferritic stainless steels with zinc layer for corrosion resistance and phosphate coatings |
| 05/19/1992 | CA1300989C Corrosion resistant coating |
| 05/14/1992 | WO1992007974A1 Phosphate conversion coating composition and process |
| 05/13/1992 | EP0434757A4 Improved fluoropolymer-metal laminates |
| 05/12/1992 | US5112414 Titanium free composition and process for activating metal surfaces prior to zinc phosphating |
| 05/12/1992 | US5112413 N,N-Substituted Glycine Polymers |
| 05/12/1992 | US5112395 Compositions and process for metal treatment |
| 05/11/1992 | WO1992008822A1 Coating composition and process |
| 05/11/1992 | CA2095810A1 Coating composition and process |
| 05/06/1992 | EP0483568A1 Method of producing brown coating layers on copper |
| 05/05/1992 | US5110689 Excellent paint adhesion and corrosion resistance |
| 05/03/1992 | WO1992007973A1 Improved chromium-free composition and process for corrosion resisting treatments for aluminum surfaces |
| 05/03/1992 | CA2093923A1 Chromium-free composition and process for corrosion resisting treatments for aluminum surfaces |
| 04/30/1992 | WO1992007107A1 Preatment for zinc and zinc alloy pior to chromating |
| 04/30/1992 | WO1992007106A1 Method of recycling phosphating sludges |
| 04/30/1992 | WO1992006856A1 Composition and method for improving adherence of copper foil to resinous substrates |
| 04/29/1992 | EP0482614A1 Method of controlled passivation of the inside walls of a carbon steel cooling system and use of the process to check both the passivation of the metal and the cooling water quality |
| 04/28/1992 | US5108793 Steel sheet with enhanced corrosion resistance having a silane treated silicate coating |
| 04/28/1992 | US5108554 Conveying by means of a hanger through zinc electroplating, chromate and resin coating |
| 04/23/1992 | DE4033490A1 Redn. of gas evolved by zinc@ dissolution in alkaline batteries - by treating zinc@ starting material in alkaline soln. with dissolved zinc-oxide before battery construction |
| 04/23/1992 | DE4032956A1 Verfahren zum recycling von phospatierschlamm Method for recycling phospatierschlamm |
| 04/21/1992 | US5106435 Treating with aqueous phosphate solution before annealing |
| 04/16/1992 | WO1992006226A1 Process for the passivating post-treatment of phosphatised metal surfaces |
| 04/16/1992 | WO1992006225A1 Method for chromating treatment of zinc coated steel |
| 04/15/1992 | EP0480141A1 Method for chemical treatment of aluminium pieces |
| 04/14/1992 | US5104577 Surface treatment chemicals and bath for aluminum or its alloy and surface treatment method |
| 04/14/1992 | US5104463 Surface oxidation treatment |
| 04/14/1992 | US5103550 Coating aluminum base with aluminum oxide or hydroxide; treating with organic phosphorus-containing compound; applying polymer |
| 04/09/1992 | DE4031817A1 Verfahren zur passivierenden nachbehandlung von phosphatierten metalloberflaechen A method for passivating aftertreatment of phosphated metal surfaces |
| 04/09/1992 | DE4031710A1 Corrosion protection medium for aluminium@ surfaces - process for making corrosion protecting layers on aluminium |
| 04/08/1992 | EP0479289A1 Chromating method of zincbased plated steel sheet |
| 04/08/1992 | EP0478648A1 Process for producing zinc phosphate coatings containing manganese and magnesium. |
| 04/07/1992 | US5102746 For use in automobiles and appliances |