| 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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| 05/20/1999 | DE19750301A1 Aqueous acid, phosphatising solution containing an organic N-oxide accelerator |
| 05/19/1999 | EP0917222A2 Method of producing double oxide film, double oxide/metal composite body, double oxide film and functional conductive material |
| 05/19/1999 | EP0915996A1 Chromate passivating and storage stable concentrate solutions therefor |
| 05/19/1999 | EP0859872A4 Non-chromate corrosion inhibitors for aluminum alloys |
| 05/19/1999 | EP0673445B1 Composition and process for treating tinplate |
| 05/19/1999 | CN1217032A Chromate passivating and storage stable concentrate solutions thereof |
| 05/19/1999 | CN1216782A Motley-coloured tin alloy and method for preparing same |
| 05/18/1999 | US5905105 Comprising polyvinyl alcohol, acid, weak base, ammonium salt and hydrofluoric acid |
| 05/18/1999 | US5904786 Method of applying phosphate coatings to metal surfaces |
| 05/18/1999 | US5904785 Using fluoride phosphate coating liquids for aluminum surfaces, coagulation |
| 05/18/1999 | US5904784 Aqueous liquid containing phosphate ions, zirconium and titanium compounds, fluoride anions, polyamides forming corrosion resistance, paint-adherent coating |
| 05/18/1999 | CA2032541C Method of phosphating metal surface with zinc phosphate |
| 05/14/1999 | WO1999022894A1 Coated powder and process for the preparation thereof |
| 05/12/1999 | DE19749508A1 Korrosionsschutz von verzinkten und legierungsverzinkten Stahlbändern Corrosion protection of galvanized and alloy galvanized steel strips |
| 05/12/1999 | CN1043368C Stainless steel low temp. chemical dyeing technology |
| 05/11/1999 | US5902645 Aqueous protective and adhesion promoting composition |
| 05/11/1999 | CA2104058C Organic composite coated steel plates having improved corrosion resistance in as-worked state |
| 05/11/1999 | CA2030126C Process for the chemical conversion of metallic substrates, conversion bath adapted to be used in the same process and concentrate adapted for the preparation of the bath |
| 05/11/1999 | CA2018631C Process for a passivating postrinsing of phosphate layers |
| 05/06/1999 | EP0913488A2 Grain oriented electrical steel sheet and method |
| 05/06/1999 | EP0913213A1 Metalworking method and product obtained with the method |
| 05/06/1999 | EP0912776A1 Composition and process for treating metal |
| 05/05/1999 | CN1043255C Composition and process for treating metals |
| 05/05/1999 | CN1043242C Treating composition of metallic surface having excellent lubricity |
| 05/04/1999 | US5900186 Bonding copper to resin using cyclic borane reducting agent |
| 05/04/1999 | US5900074 Treatment with a ph 2.0-5.0 aqueous bath that contains phosphoric acid, manganese ion, and amine, thereby forming a conversion coating that contains p--mn and mn--n and/or other nitrogen compounds. |
| 05/04/1999 | US5900073 Aqueous liquid mixture |
| 05/04/1999 | CA2038403C Composition and method for surface refinement of titanium and nickel |
| 04/29/1999 | WO1999020705A1 Rubber to metal bonding by silane coupling agents |
| 04/29/1999 | WO1999020696A1 Method for coating metals and metal coated using said method |
| 04/28/1999 | EP0911427A1 Process for surface-treating an aluminium-containing metal |
| 04/28/1999 | EP0911088A2 Process for coating a surface |
| 04/28/1999 | EP0799293A4 Cleaning and surface conditioning of formed metal surfaces |
| 04/28/1999 | CA2249749A1 Grain oriented electrical steel sheet and method |
| 04/27/1999 | US5897948 Nonleached protective coatings comprising a matrix resin with dispersed chromate colloid particles; corrosion resistance, stability |
| 04/27/1999 | US5897716 Chromate-free aqueous solution containing fluometallic, fluosilicic and/or fluoboric acid(s), and polyhydroxy carboxylic acid(s) for imparting corrosion resistance to treated metal substrate |
| 04/27/1999 | US5896664 Process for producing aluminum alloy bearing |
| 04/22/1999 | WO1999019083A1 Composition and process for multi-purpose treatment of metal surfaces |
| 04/22/1999 | DE19745801A1 Method for coating metals with organic film-former solutions or dispersions containing corrosion inhibitor pigment precursors |
| 04/22/1999 | CA2305261A1 Composition and process for multi-purpose treatment of metal surfaces |
| 04/21/1999 | EP0792392B1 Treatment of aluminium or aluminium alloys |
| 04/21/1999 | EP0707664B1 Storage stable titanium phosphate containing activating composition |
| 04/21/1999 | EP0686246B1 Piping element for burried conduit, corresponding burried conduit, and method for manufacturing said piping element |
| 04/20/1999 | US5895532 Process for treating the surface of aluminum sheet for cap manufacturing |
| 04/15/1999 | WO1999018257A1 Conversion coating zinciferous surfaces to resist blackening and white rust |
| 04/15/1999 | WO1999018256A1 Surface treatment composition for metallic material and method for treatment |
| 04/14/1999 | EP0907763A1 Process for the reduction of copper oxide |
| 04/14/1999 | EP0907762A1 Chromate-free conversion layer and process for producing the same |
| 04/14/1999 | EP0793738B1 Anticorrosive and friction-reducing treatment of metallic surfaces |
| 04/14/1999 | EP0723602B1 Hydrophilic coatings for aluminum |
| 04/13/1999 | US5894403 Aerosolspray; increased surface area that results in increased capacitance |
| 04/08/1999 | DE19743933A1 Method for surface treatment of components, in particular, automobile body structures |
| 04/07/1999 | EP0880410A4 Passivation composition and process for coating |
| 04/07/1999 | EP0656958B1 Method of manufacturing metal components protected against corrosion |
| 04/07/1999 | CN1213410A Surface-treated metallic material with corrosion resistance and surface treatment used thereof |
| 04/07/1999 | CN1213015A Method for producing electrogalvanizing steel plate with high anti-black property |
| 04/06/1999 | US5891268 High coating weight iron phosphating, compositions therefor, and use of the coating formed as a lubricant carrier |
| 03/31/1999 | EP0905286A2 Dip surface-treatment system |
| 03/31/1999 | EP0905279A1 Phosphate bonding composition |
| 03/31/1999 | EP0904425A1 Moderate temperature manganese phosphate conversion coating composition and process |
| 03/31/1999 | EP0904421A1 Process for the preparation of hydroxyapatite coatings |
| 03/31/1999 | EP0637309B1 Metal coatings |
| 03/31/1999 | EP0614715B1 Wheel speed measuring gear and method of manufacturing the same |
| 03/30/1999 | US5888315 Composition and process for forming an underpaint coating on metals |
| 03/25/1999 | WO1999014399A1 Method and compositions for preventing corrosion of metal substrates |
| 03/25/1999 | WO1999014398A1 CHROMATE TREATMENT OR POSTPASSIVATION WITH STABILISED SOLUTIONS BASED ON Cr (III)/(VI) |
| 03/25/1999 | WO1999014397A1 Method for phosphatizing a steel strip |
| 03/25/1999 | CA2303877A1 Method for phosphatizing a steel strip |
| 03/25/1999 | CA2303101A1 Chromate treatment or postpassivation with stabilised solutions based on cr (iii)/(vi) |
| 03/24/1999 | EP0902844A1 Composition and method for treatment of phosphated metal surfaces |
| 03/24/1999 | CN1212027A Composition and method for treatment of phosphated metal surfaces |
| 03/24/1999 | CN1211943A Phosphate coated iron powder and method for manufacturing thereof |
| 03/24/1999 | CN1211896A Surface treatment method for copper and copper alloy |
| 03/23/1999 | US5885436 Contacting metal foil with solution containing oxidizer and hydroxide, forming cathodic chromium coating in electrolysis bath, then coating with silane compound coupling agent |
| 03/23/1999 | US5885373 Chromium free, low organic content post-rinse for conversion coatings |
| 03/18/1999 | WO1999012889A1 Quaternary ammonium phosphate compound and method of preparing the same |
| 03/18/1999 | WO1999012661A1 Pretreatment before painting of composite metal structures containing aluminum portions |
| 03/18/1999 | DE19740953A1 High speed spray or dip phosphating of steel strip |
| 03/18/1999 | DE19740248A1 Aqueous chromating or post-passivating solution |
| 03/17/1999 | EP0902103A1 Surface-treated metallic material with corrosion resistance and surface treatment used therefor |
| 03/17/1999 | CN1211289A Zinc phosphatizing with low quantity of copper and manganese |
| 03/17/1999 | CN1211288A Zinc-phosphatizing method using low nickel and/or cobalt concentrations |
| 03/17/1999 | CN1210904A Zinc-calcium series phosphorization liquid for metal plastic working |
| 03/17/1999 | CN1210903A Multifunctional pretreatment liquid and its producing method |
| 03/16/1999 | CA2027402C Pretreating composition containing s-triazine compound |
| 03/10/1999 | EP0900790A1 Triazine thiol derivatives having a perfluoro group for treating metal surfaces |
| 03/09/1999 | US5879816 Metallic sliding material |
| 03/09/1999 | US5879745 Method for stabilizing a patina layer |
| 03/02/1999 | US5876517 Mixture of sodium dichromate, sodium sulfate, cobalt sulfate and an acid |
| 02/25/1999 | WO1999008807A1 Hydrophilicizing surfaces, especially aluminum |
| 02/25/1999 | WO1999008806A1 Process for coating and/or touching up coatings on metal surfaces |
| 02/25/1999 | CA2301063A1 Hydrophilicizing surfaces, especially aluminum |
| 02/24/1999 | EP0877832A4 Chromate treatment bath composition and process for application to metals |
| 02/23/1999 | US5873953 Non-chromated oxide coating for aluminum substrates |
| 02/23/1999 | US5873952 Process for forming a protective coating on zinciferous metal surfaces |
| 02/19/1999 | CA2242095A1 Phosphate bonding composition |
| 02/18/1999 | WO1999007917A1 Alkaline strip passivation |
| 02/18/1999 | WO1999007916A1 Phosphating method accelerated by n-oxides |
| 02/18/1999 | CA2300276A1 Phosphating method accelerated by n-oxides |
| 02/18/1999 | CA2300275A1 Alkaline strip passivation |