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| Number | Title | Issue Date |
| 8066824 | Covalent modification of metal surfaces The present invention provides modified metal surfaces, methods of preparing the same, and intermediates thereto. These materials are useful in a variety of applications including biomaterials. ... | 11/29/2011 |
| 7390847 | Polymer derivatives for the treatment of metals A composition for the treatment of metal surfaces and for the deposition of metals or metal alloys on plastics surfaces contains a) at least one polymer as component A, composed of the structural element (1) ... | 06/24/2008 |
| 7232528 | Surface treatment agent for copper and copper alloy The surface treatment agent for copper and copper alloys contains hydrogen peroxide, a mineral acid, an azole compound, silver ion and a halide ion. The surface treatment agent for copper and copper alloys is useful in the production of printed wiring boards in elec... | 06/19/2007 |
| 7208053 | Method for applying a phosphate covering and use of metal parts thus phospated Metallic surfaces are coated with an aqueous, acidic phosphate solution containing 10 to 60 g/l zinc, 0.5 to 40 g/l manganese, 50 to 300 g/l phosphate ions calculated as P2O5, and optionally other components. ... | 04/24/2007 |
| 7189336 | Etchant, method for roughening copper surface and method for producing printed wiring board An etchant and a method for roughening a copper surface each capable of permitting copper with roughened surface which exhibits acid resistance and permits a copper conductive pattern and an outer layer material to be firmly bonded to each other therethrough in manu... | 03/13/2007 |
| 7189433 | Process for preparing a film having alternatively monolayers of a metal-metal bonded complex monolayer and an organic monolayer by layer-by layer growth The present invention provides a process for preparing a thin film having alternating monolayers of a metal-metal bonded complex monolayer and an organic monolayer by layer-by-layer growth. The process comprises the steps of: (1) applying onto a surface of a substra... | 03/13/2007 |
| 7186305 | Process for improving the adhesion of polymeric materials to metal surfaces A process is described for treating metal surfaces with a composition comprising an oxidizer, an acid, a corrosion inhibitor, an unsaturated alkyl substituted with an aromatic or non-aromatic cyclic groups, and optionally but preferably a source of adhesion enhancin... | 03/06/2007 |
| 7179398 | Etchant for wires, a method for manufacturing the wires using the etchant, a thin film transistor array substrate and a method for manufacturing the same including the method First, a lower film of AlNd Alloy and an upper film of MoW alloy are deposited in succession, and then patterned by an etchant including HNO3 of 0.1–10%, H3PO4 of 65–55%, CH3COOH of 5–20%, a stabilizer of 0.1–5% an... | 02/20/2007 |
| 7153348 | Hexavalent chromium-free surface-treating agent for Sn or Al-based coated steel sheet, and surface treated steel sheet A hexavalent chromium-free surface treating agent for Sn- or Al-based coated steel sheet, comprising a trivalent chromium compound (A), a water-dispersible silica (B), a lubricity imparting component (C) made of one or more waxes of polyolefin wax, fluorine-containi... | 12/26/2006 |
| 7109265 | Autodepositable adhesive A method for bonding two substrates that includes applying an autodepositable adhesive to one of the substrates and then bonding the substrates together. This method is especially useful for bonding elastomers to metals. According to a first embodiment, the autodepo... | 09/19/2006 |
| 7105472 | Coating solution for metals and metal alloys The present invention relates to a coating solution to be applied on the surface of metals or metal alloys, a process for cold forming of metals and metal alloys using said coating solution, and a coated blank made of a metal or a metal alloy. ... | 09/12/2006 |
| 7048822 | Packaging material for polymer cell and method for producing the same A polymer battery module packaging sheet includes, as essential components, a base layer (61), an aluminum layer (62), chemical conversion coatings (64a, 64b) coating the opposite surfaces of the aluminum layer (62), ... | 05/23/2006 |
| 7037385 | Aqueous metal treatment composition An aqueous metal surface treatment composition comprising the following ingredients: (A) an aqueous dispersion of a phenolic resin that includes a reaction product of (i) a phenolic resin precursor; | 05/02/2006 |
| 6946201 | Chromium (VI)-free conversion layer and method for producing it A chromium(VI)-free, chromium(III)-containing and substantially coherent conversion layer on zinc or zinc alloys presenting, even in the absence of further components such as silicate, cerium, aluminum and borate, a corrosion protection of approx. 100 to 1000 h in t... | 09/20/2005 |
| 6929705 | Antimicrobial coated metal sheet The present invention relates to metallic sheets having an improved antimicrobial property and also related to a method of manufacturing such sheets. More particularly, it relates to the continuous coating on metallic sheets with a resin composition containing antim... | 08/16/2005 |
| 6902766 | Two-part aqueous metal protection treatment A two-part metal protection composition includes: an aqueous metal treatment conversion coating component that includes an admixture of an acid and a coating forming component; and an aqueous protective coating component that is applied over metal treated with the a... | 06/07/2005 |
| 6835460 | Dry-in-place zinc phosphating compositions and processes that produce phosphate conversion coatings with improved adhesion to subsequently applied paint, sealants, and other elastomers Excellent adhesion to subsequently applied paint or elastomer is obtained by coating a metal substrate with a phosphate conversion coating by contact with a liquid phosphating solution that contains zinc cations, phosphate anions, and at least one adhesion promoter ... | 12/28/2004 |
| 6821633 | Non-chromate conversion coating compositions, process for conversion coating metals, and articles so coated In at least one aspect, the invention relates to an entirely or substantially chromium-free conversion coating composition and process for conversion coating metal surfaces that provides corrosion resistance. In at least another aspect, the present invention relates... | 11/23/2004 |
| 6802913 | Composition and process for multi-purpose treatment of metal surfaces A multipurpose treatment composition for metal surfaces comprises phosphate ions, fluorometallate ions, water soluble polymers containing substituted aminomethylene moieties bonded to benzene rings which also have an oxygen atom bonded to another carbon atom in the ... | 10/12/2004 |
| 6767413 | Metal surface treating agent The present invention provides a non-chromium metal surface treating agent which has excellent adhesion with a coating and corrosion resistance, and also has excellent workability and stability. A metal surface treating agent comprising a water-soluble zircon... | 07/27/2004 |
| 6758916 | Composition and process for treating metals A chromium free conversion coating at least equivalent in corrosion protective quality to conventional chromate conversion coatings can be formed on metals, particularly cold rolled steel, by a dry-in-place aqueous acidic liquid that preferably has a pH value betwee... | 07/06/2004 |
| 6743302 | Dry-in-place zinc phosphating compositions including adhesion-promoting polymers Excellent adhesion to subsequently applied paint or elastomer is obtained by coating a metal substrate with a phosphate conversion coating by contact with a liquid phosphating solution that contains zinc cations, phosphate anions, and at least one adhesion promoter ... | 06/01/2004 |
| 6733896 | Process for treating steel-, zinc- and aluminum-based metals using a two-step coating system The present invention comprises a method for treating one or more multi-metal articles. The method comprises exposing the one or more articles to a first treatment composition capable of providing a conversion coating on steel- and zinc-based metal, and exposing the... | 05/11/2004 |
| 6720032 | Pretreatment before painting of composite metal structures containing aluminum portions In a process for the chemical pretreatment before painting of composite metal structures that contain aluminum or aluminum alloy portions together with steel, galvanized steel and/or alloy-galvanized steel portions, in a first step the metal structure is treated wit... | 04/13/2004 |
| 6677053 | Surface-treated steel sheet and production method therefor A surface-treated steel sheet includes a steel sheet, an Al--Zn-base alloy plating layer formed on the steel sheet, a chemical conversion film provided on the alloy plating layer, and a concentric layer of a Cr compound that is formed on the alloy plating... | 01/13/2004 |
| 6656607 | Method for anticorrosive coating and treatment of metal parts The invention concerns a method for producing an anticorrosive coating for metal parts, free of chromium and chromium-based derivatives and in particular hexavalent chromium, preferably to be applied in thin layers while providing highly efficient protect... | 12/02/2003 |
| 6565671 | Surface-treated steel sheet coated with chromate film for fuel tanks and method of fabricating the same The present invention relates to a surface-treated steel sheet coated with a chromate layer having excellent corrosion resistance, fuel resistance and seam weldability, and a chromate solution used for preparing the surface-treated steel sheet. Specifical... | 05/20/2003 |
| 6558480 | Process and composition for conversion coating with improved heat stability A conversion coating that does not substantially diminish the luster of a metal surface on which it is coated nor impair adhesion to the surface of lacquers and printing inks commonly used on beverage containers may be provided by contacting the metal sur... | 05/06/2003 |
| 6554916 | Treatment method for making heat exchanger hydrophilic and heat exchanger treated to be hydrophilic A treatment method for hydrophilicity for a heat exchanger which can maintain the deodorizing property and hydrohilicity even after a long-time use, and a heat exchanger thus treated for hydrophilicity by said method are provided. After a previous acidic ... | 04/29/2003 |
| 6537387 | Corrosion protection for galvanized and alloy galvanized steel strips A process for the corrosion protection of steel strips coated with zinc or zinc alloy, characterised in that the steel strips coated with zinc or zinc alloy are brought into contact with an aqueous treatment solution having a pH within the range of from 1... | 03/25/2003 |
| 6514357 | Composition for metal surface treatment and surface treated metallic material A composition for metal surface treatment which comprises an aluminum ion, a magnesium ion, a manganese ion, a water-soluble organic resin, an acid and water; and a surface treated metal material which has been treated with the composition. The resultant ... | 02/04/2003 |
| 6508890 | Method of enhancing the conductivity of a conductive surface The present invention is drawn to a method of lowering the net resistivity of an interconnect by depositing a monomer layer upon an aluminum bonding pad, the treatment thereof to cross link the monomer to form an electrically conductive polymer, and simul... | 01/21/2003 |
| 6491766 | Activated nickel screens and foils A coating composition and process have been developed to provide an activated coating on nickel screen for use as cathodes in electrolytic cells for the generation of hydrogen and oxygen. Compared to the earlier Classical Pack Cementation process, the dis... | 12/10/2002 |
| 6488989 | Hydrophilicizing surfaces, especially aluminum An especially effective hydrophilicizing treatment for solid surfaces, particularly those of conversion coated aluminum, is a liquid mixture of water, organic polymer molecules that include sulfonyl/ate moieties, and preferably also a substance made by mi... | 12/03/2002 |
| 6478885 | Phosphating processes and products therefrom with improved mechanical formability When a phosphate ester or a dispersed wax is added to a conventional liquid phosphate conversion coating composition, the resulting phosphate coating formed on a metal substrate has a lower coefficient of friction after being oiled than it would have had ... | 11/12/2002 |
| 6464800 | Visible chromium- and phosphorus-free conversion coating for aluminum and its alloys A visible colored chromium- and phosphorus-free conversion coating can be formed on a metal surface by contacting it with an aqueous liquid composition that comprises an alizarine dye and a product of chemical interaction between a first initial reagent c... | 10/15/2002 |
| 6447620 | Water-based surface-treating agent for metallic material A water-based surface-treating agent for metallic materials which gives a film highly satisfactory in corrosion resistance, blackening resistance, wet secondary adhesion to topcoatings, low-pollution characteristics (amount of fixed chromium), chemical re... | 09/10/2002 |
| 6383307 | Aqueous metal treatment composition An aqueous metal surface treatment composition that includes (A) an aqueous dispersion of a phenolic novolak resin that includes water and a reaction product of a phenolic resin precursor, a modifying agent and a multi-hydroxy phenolic compound wherein th... | 05/07/2002 |
| 6369149 | Aqueous treatment process and bath for aluminiferous surfaces An aqueous surface treatment bath that has a pH from 2.5 to 4.5 and contains at least 0.1 g/L of orthophosphate ions, from 0.1 to 3 g/L of condensed phosphate ions, from 0.1 to 0.5 g/L of free hydrofluonc acid, and at least 0.1 g/L of water-soluble polyme... | 04/09/2002 |
| 6362135 | Catalyzed compositions and methods for use in vehicle surface anti-icing and other applications This invention discloses novel catalyzed surface composition altering formulations and methods and catalyzed surface coating formulations and methods, which contain one or more catalysts, along with optional other ingredients, wherein the catalysts serve ... | 03/26/2002 |
