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)
10/1996
10/31/1996WO1996034127A1 Alkaline nitrate salt bath composition for oxidising a ferrous metal and improving the corrosion resistance thereof
10/30/1996EP0739429A1 Process for the joint pretreatment of steel, galvanised steel, magnesium and aluminium before their bonding to rubber
10/30/1996EP0739428A1 Composition and process for treating metal
10/30/1996EP0739389A1 Simplified process for producing an anticorrosive paint with a good adhesiveness and workpieces thus obtained
10/24/1996DE4244823C2 Values and water recovery from aq. process liq.
10/24/1996DE19512749A1 Corrosion protection treatment of chromated metal surfaces
10/23/1996EP0738790A1 Galvanized steel sheet and process for producing the same
10/23/1996CN1133901A Anticorrosion technique for cold exchanger
10/22/1996US5567534 Copper foil for printed circuits, zinc alloy of nickel and/or cobalt, a layer of benzotriazole and phosphorous compound
10/22/1996US5567354 Inhibitor of the corrosion of a metal material such as steel
10/21/1996CA2174471A1 Electroless method of antiquing a zinc or pewter component
10/17/1996WO1996032522A1 Corrosion inhibition and improvement of adhesion characteristics of reinforcing metals
10/16/1996EP0737594A2 Improved process for the surface treatment of lithographic printing plate precursors
10/16/1996CN1133351A Aluminium and aluminium alloy decoration plate and making method
10/15/1996US5565272 Surface glass film formed during secondary recrystallization annealing is composed of forsterite and spinel
10/15/1996US5565042 Black chromate solution
10/11/1996CA2173653A1 Process for the surface treatment of lithographic printing plate precursors
10/10/1996WO1994001593A3 Hydrophilicizing treatment for metal objects
10/09/1996EP0736579A2 Method for rust inhibition treatment and rust inhibiting coating composition forsteel plate
10/09/1996CN1132802A Metal-derusting antirust liquid
10/09/1996CN1132801A Acid aqueous phosphatic solution and process using same for phosphating metal surface
10/08/1996CA2047786C Anticorrosion coating composition
10/03/1996WO1996030559A1 Phosphating process with a metalliferous re-rinsing stage
10/03/1996WO1996030558A1 Corrosion protective cleaning agent for tin-plated steel
10/03/1996CA2216925A1 Phosphating process with metalliferous after-rinse
10/03/1996CA2216462A1 Corrosion protective cleaning agent for tin-plated steel
10/02/1996DE19511573A1 Verfahren zur Phosphatierung mit metallhaltiger Nachspülung Phosphating process with metal-rinse
10/02/1996CN1132531A Composition and process for treating metal
10/02/1996CN1132519A Simplified process for producing an anticorrosive paint with a good adhesiveness and workpieces thus obtained
10/02/1996CN1132268A Aqueous zinc phosphate chemical conversion treatment liquid and process
10/01/1996CA2147101A1 Process for applying a coating to a magnesium alloy product
10/01/1996CA1338621C Method for producing zn-ni alloy plated steel plate having superior press formability
09/1996
09/30/1996CA2171238A1 Passivation method and composition for galvanized metal surfaces
09/26/1996WO1996029448A1 Compositions and processes for forming a solid adherent protective coating on metal surfaces
09/26/1996DE19510825A1 Korrosionsschützender Reiniger für verzinnten Stahl Corrosion Protective cleaner for tin-plated steel
09/26/1996CA2215299A1 Compositions and processes for forming a solid adherent protective coating on metal surfaces
09/25/1996EP0733722A1 Process and solution for chemically passivating nuclear steam generator surfaces
09/25/1996CN1131971A Composition and method for treatment of phosphated metal surfaces
09/25/1996CN1131704A Meter panel treatment agent and its preparation process
09/24/1996US5558724 Forming manganese iron phosphate coating
09/18/1996EP0732425A1 Passivation treatment of tinplate
09/18/1996EP0633949B1 Method of treating nonferrous metal surfaces by means of an acid activating agent and an organophosphate or organophosphonate and substrates treated by such method
09/18/1996CN1131444A Phosphate treatment process for steel strip with one galvanised surface
09/18/1996CN1131205A Organic rust-proof treating copper foil
09/17/1996US5556715 Weldable colored steel sheet
09/17/1996US5556710 Metal coating useful for rendering the surface of the metal biocompatible
09/12/1996WO1996027693A1 Composition and process for simultaneously cleaning and conversion coating metal surfaces
09/12/1996WO1996027692A1 Composition and process for forming an underpaint coating on metals
09/12/1996CA2214834A1 Composition and process for simultaneously cleaning and conversion coating metal surfaces
09/12/1996CA2214654A1 Composition and process for forming an underpaint coating on metals
09/11/1996EP0730673A1 Anticorrosion treatment of metal coated steel having coatings of aluminium, zinc or alloys thereof
09/11/1996EP0730672A1 Composition and process for treating magnesium-containing metals and product therefrom
09/11/1996CN1130925A Pre-rinsing liquid for phosphating metal surfaces
09/10/1996US5554294 Method for dissolving sludge and recovering constituents therefrom
09/10/1996US5554231 Corrosion resistant aluminum and aluminum coating
09/06/1996WO1996027034A1 Reducing or avoiding surface irregularities in electrophoretic painting of phosphated metal surfaces
09/06/1996CA2213824A1 Reducing or avoiding surface irregularities in electrophoretic painting of phosphated metal surfaces
09/04/1996EP0730039A1 Magnesia coating and process for producing grain oriented electrical steel for punching quality
09/03/1996US5551994 Non-chromated oxide coating for aluminum substrates
09/03/1996US5551585 Process for the surface treatment of lithographic printing plate precursors
08/1996
08/29/1996WO1996026304A1 Method of preparing iron-phosphate conversion surfaces
08/29/1996WO1996026256A1 Composition for cleaning and coating the interior of an internal combustion engine and method for cleaning and coating the interior of an internal combustion engine therewith
08/29/1996CA2169914A1 Magnesia coating and process for producing grain oriented electrical steel for punching quality
08/28/1996EP0728851A1 Environmentally friendly coating compositions
08/28/1996EP0728225A1 Composition and process for treating metal
08/28/1996CN1129961A Nickel-free phosphatization process
08/27/1996US5550006 Contacting metal surface with aqueous solution containing phosphoric acid and vanadium, niobium, tungsten and/or tantalum compound for time to produce phosphate conversion coating
08/21/1996EP0726969A1 Secondary protective treatments for metal surfaces
08/21/1996EP0726968A1 Composition and process for treating tinplate and aluminum
08/21/1996EP0719350A4 Metal treatment with acidic, rare earth ion containing cleaning solution
08/21/1996EP0713540A4 Composition and process for treating metals
08/20/1996US5547770 Multiplex aluminide-silicide coating
08/20/1996US5547709 Introducing roller into bath of sealing material to fill all voids, rinsing, heat treating to evaporate solvent and harden sealing material, deburring, applying antiwear coating; corrosion resistance
08/20/1996US5547519 Magnesia coating and process for producing grain oriented electrical steel for punching quality
08/14/1996EP0726334A1 Coating preparation for pretreating metal surfaces, and method employing said preparation
08/14/1996EP0725844A1 A process for activating a metal surface for conversion coating
08/14/1996CN1129017A Zinc coated steel plate and mfg. method thereof
08/13/1996US5545489 Steel backing, phosphate film, aluminum bearing alloy, overlay layer; wear resistance
08/13/1996US5545438 Hydrophilic treatment for aluminum
08/08/1996DE19504723A1 Aq. acidic soln. contg. phosphate ions and ozone
08/08/1996DE19504172A1 Protecting chromium@-based alloy body
08/07/1996EP0724653A1 A method for post-treatment of an article with a metallic surface as well as a treatment solution to be used in the method
08/07/1996EP0724488A1 Process for treating zinciferous surfaces
08/07/1996CN1128547A Surface coating method
08/07/1996CN1032486C Coating formed on iron base and its forming method
07/1996
07/31/1996EP0723603A1 Conversion coatings for metal surfaces
07/31/1996EP0723602A1 Hydrophilic coatings for aluminum
07/31/1996CN1128053A Composition and process for treating metals
07/31/1996CN1127800A Cold black coslettising liquid
07/30/1996US5540788 Method of preparing iron-phosphate conversion surfaces
07/30/1996EP0739428A4 Composition and process for treating metal
07/25/1996WO1996022406A1 Lithium-containing zinc phosphating solution
07/24/1996CN1127308A Wide temp. range phosphorized solution for oil and stain removing and inactivating
07/23/1996US5538078 Aluminum-containing metal composite material and process for producing same
07/18/1996WO1996021753A1 Composition and process for forming a solid adherent protective coating on metal surfaces
07/18/1996WO1996021752A1 A process of coating metal surfaces to produce a highly hydrophilic, highly corrosion resistant surface with bioresistance and low odor impact characteristics
07/18/1996WO1996021523A1 Process for imparting liquid repellency to metal surface and ultra-liquid-repellent metal material
07/18/1996DE19500927A1 Lithiumhaltige Zinkphosphatierlösung Lithium containing zinc phosphating
07/18/1996DE19500562A1 Phosphating solution
07/18/1996CA2209924A1 A process of coating metal surfaces to produce a highly hydrophilic, highly corrosion resistant surface with bioresistance and low odor impact characteristics