Class / Patent application number | Description | Number of patent applications / Date published |
427435000 | Metal base | 28 |
20080226831 | PROCESS FOR DIFFUSING TITANIUM AND NITRIDE INTO A STEEL OR STEEL ALLOY BY ALTERING THE CONTENT OF SUCH - An improved method is provided for diffusing titanium and nitride into a base material comprising a steel or steel alloy. The composition of the base material generally comprises at least one of the following: more than about 1.95% vanadium, less than about 4.1% chromium, and a presence of cobalt. The method generally includes the steps of providing such a base material; providing a salt bath which includes sodium dioxide and a salt selected from the group consisting of sodium cyanate and potassium cyanate; dispersing metallic titanium formed by electrolysis of a titanium compound in the bath; heating the salt bath to a temperature ranging from about 430° C. to about 670° C.; and soaking the base material in the salt bath for a time of from about 10 minutes to about 24 hours. | 09-18-2008 |
20100040795 | PROCESS FOR SEALING MICRO PORES OF MICRO-ARC OXIDE FILMS - A process for sealing micro pores of micro-arc oxide film is disclosed in the present disclosure. The process may comprise the following steps: providing a metal coated with a micro-arc oxide film; providing a dipping solution including polyester methacrylate monomer for use as a sealing agent; and dipping the metal in the sealing agent to form a coating on the oxide film's surface. | 02-18-2010 |
20100129560 | SEALING REAGENT FOR ALUMINUM ALLOY - A nickel-free sealing reagent comprises an alkyl sodium sulfonate compound, a dispersing agent, and a siloxane defoaming agent. A method of sealing an alloy comprises applying a nickel-free sealing reagent to the alloy, wherein the sealing agent comprises an alkyl sodium sulfonate compound, a dispersing agent, and a siloxane defoaming agent. | 05-27-2010 |
20110097503 | ALKALINE COATING COMPOSITION FOR AUTODEPOSITION - Embodiments of the present disclosure include processes for autodepositing a coating on a metal surface, a method of producing a coating on a non-stainless steel metal substrate surface, and an alkaline coating composition, where the process for autodepositing a coating on a metal substrate surface includes immersing at least a portion of the metal substrate surface in a coating composition that includes a latex and an amount of base sufficient to raise the pH of the composition to an alkaline pH, where the coating autodeposits on the metal substrate surface, as metal ions from the metal substrate surface interact with the alkaline coating composition. | 04-28-2011 |
20120301623 | Meniscus Coating Apparatus and Method - A meniscus coating apparatus and method for coating at least one surface of a metal strip includes an apparatus having an adjustable coating tray, a roll enclosure disposed adjacent the coating tray, an adjustable baffle, and/or a gas delivery device operable to help seal the roll enclosure. | 11-29-2012 |
20130216720 | Coatings Having Enhanced Corrosion Performance and Method of Using the Same - A method of plating a part comprised of aluminum, alloys of aluminum, magnesium or alloys of magnesium to improve the corrosion resistance of the part. The method comprises the steps of plating the part with a plating bath comprising: (i) particles selected from the group consisting of polytetrafluoroethylene (PTFE), colloidal silica, colloidal graphite, ceramics, carbon nanotubes, silicon carbide, nano-diamond, diamond and combinations of one or more of the foregoing, which have been treated with a corrosion inhibitor and are dispersed in said plating bath; and (ii) metal ions to be plated. The dispersed particles co-deposit with the plated metal. | 08-22-2013 |
20140363582 | METHOD OF PREPARING YTTRIA SOLUTION FOR BUFFER LAYER OF SUBSTRATE - Disclosed herein is a method of preparing a yttria solution for a buffer layer of a substrate, including the steps of: (a) mixing yttrium acetate tetrahydrate with methanol to form a mixture and then stirring the mixture; (b) injecting diethanolamine as a chelating agent into the mixture of the step (a) and then stirring the mixture to synthesize a composite; and (c) filtering the composite synthesized in the step (b) using a filter to obtain a sol. The method is advantageous in that the yttria solution prepared in this method is applied onto a substrate to flatten the substrate, and is used to form a diffusion barrier serving as a buffer layer for preventing the diffusion of a substrate material. | 12-11-2014 |
20160129465 | VEHICLE HOOD FIXTURE - A temporary supporting fixture for use during painting of a vehicle hood. The fixture has a first elongated beam with a first length and includes at least two adjustable length hook members extending from an engagement side for releasable attachment to the hood. A second elongated beam having a second length greater than the first length is also provided and includes at least two hook elements extending from the engagement side of the fixture and configured for releasable attachment to the hood. The second elongated beam further includes at least two adjustable extensions protruding from the engagement side of the fixture and configured for engagement with a surface of the hood. The second beam further includes an at least generally tangential projection configured to engage a striker of the hood. At least two struts extend between the first and second elongated beams. An extension beam including an adjustable length hook member configured for releasable attachment to the hood extends from the first elongated beam in a direction away from the second elongated beam. | 05-12-2016 |
427436000 | Metal coating | 20 |
20090252883 | METHOD OF PREVENTING CORROSION DEGRADATION USING NI OR NI-ALLOY PLATING - Disclosed herein is a method of preventing corrosion degradation in a defective region including an expansion transition region and/or an expansion region of a heat transfer tube of a steam generator in a nuclear power plant by using nickel (Ni) plating or nickel (Ni) alloy plating. The method can prevent various types of corrosion damage, such as pitting corrosion, abrasion, stress corrosion cracking, lead-induced stress corrosion cracking and the like, occurring during the operation of the steam generator, and particularly, pitting corrosion or primary and secondary stress corrosion cracking, so that the life span of the steam generator is increased, maintenance costs are reduced, and the operation rate of a nuclear power plant is increased, with the result that the unit cost of the production of electric power can be decreased, thereby improving economic efficiency. Further, the method can be usefully used to prevent the corrosion damage of parts and equipment of nuclear, hydroelectric or thermoelectric power plants or of petrochemical plants, and that of industrial and machine parts and equipment, and parts and equipment in a defense industry. | 10-08-2009 |
20110217476 | CONVERSION LAYERS FOR SURFACES CONTAINING ZINC - The invention relates to a process for producing a coating layer which protects against corrosion, in which a surface to be treated is brought into contact with an aqueous treatment solution containing at least one source of chromium(III) ions and also at least one organic compound which oxidizes zinc in weakly acidic or acidic solution. Here, the decorative and functional properties of the surface are retained or improved. In addition, the known problems associated with the use of chromium(VI)-containing compounds are avoided. | 09-08-2011 |
20120156386 | ANIONIC WETTING AGENTS FOR STABILIZING SELF-DEPOSITING COMPOSITIONS COMPRISING OXIDIC PIGMENTS - The present invention relates to an acidic aqueous particulate composition containing, in addition to iron(III) ions, fluoride ions and at least one water-insoluble, dispersed organic binder, a water-insoluble, dispersed oxide pigment with elevated resistance to agglomeration for the autophoretic deposition of organic-inorganic hybrid layers onto metal surfaces, the composition additionally containing at least one anionic wetting agent which comprises functional groups selected from sulfonates, phosphonates and/or carboxylates. The invention furthermore comprises the use of such a composition for the autodeposition of a film-forming organic-inorganic hybrid coating onto metal surfaces which are at least in part selected from surfaces, the main constituents of which are iron, zinc and/or aluminum. | 06-21-2012 |
20140037856 | Method and apparatus for producing zinc-aluminum alloy-coated steel sheet with superior workability and corrosion resistance - Disclosed is a method for producing a zinc-aluminum-based alloy-coated steel sheet with superior workability and corrosion resistance by coating a base zinc-aluminum-based alloy-coated steel sheet in a coating bath comprising 35 to 55% by weight of zinc, 0.5 to 3% by weight of silicon, 0.005 to 1.0% by weight of chromium, 0.01 to 3.0% by weight of magnesium, 0.001 to 0.1% by weight of titanium, and the balance of aluminum and inevitable impurities. | 02-06-2014 |
20150140226 | PROCESS FOR DIFFUSING A SUBSTRATE INTO A BASE MATERIAL - An improved process for diffusing a substrate into a base material is described. Generally, a process is provided for introducing a base material into a salt bath having a substrate with a catalyst. A select amount of catalyst and desired salt bath temperature are provided sufficient to lower the activation energy of the base material such that the substrate is able to easily diffuse into the surface of the base material. Nevertheless, certain substances within the base material may inhibit the diffusion of the substrate into the surface of the base material. Accordingly, a select amount of catalyst and desired salt bath temperature are further provided sufficient to promote leaching of such select substances that inhibit the diffusion of such substrate into such base material. The leached substances are substantially replaced by the diffused substrate. | 05-21-2015 |
427437000 | Chemical compound reducing agent utilized (i.e., electroless deposition) | 15 |
20080199627 | CATALYTIC TREATMENT METHOD, ELECTROLESS PLATING METHOD, AND METHOD FOR FORMING CIRCUIT USING ELECTROLESS PLATING - A catalyst layer which enables an electroless plating method to be carried out can be formed by an inexpensive and simple process without using palladium. | 08-21-2008 |
20080299322 | Copper (I) Complexes for Deposition of Copper Films by Atomic Layer Deposition - The present invention relates to novel 1,3-diimine copper complexes and the use of 1,3-diimine copper complexes for the deposition of copper on substrates or in or on porous solids in an Atomic Layer Deposition process. | 12-04-2008 |
20090004400 | Effect of Ternary Additions on the Structure and Properties of Coatings Produced by a High Aluminum Galvanizing Bath - A zinc-aluminum eutectoid galvanized steel has been developed. The basic composition of the bath is selected close to the eutectoid point in the binary Zn—Al system, together with ternary additions in the form of bismuth, rare-earths and silicon. | 01-01-2009 |
20120156387 | BETA-AMINO ACID COMPRISING ELECTROLYTE AND METHOD FOR THE DEPOSITION OF A METAL LAYER - The present invention relates to an electrolyte for the electroless deposition of a metal layer on a substrate, wherein the electrolyte is free of heavy metal stabilizers, cyanides, selenium compounds and sulfur compounds comprising sulfur in an oxidation state between −2 and +5, and in which instead a β-amino acid is used as stabilizer. In particular, the inventive electrolyte can comprise 3-aminopropionic acid, 3-aminobutyric acid, 3-amino-4-methylvaleric acid, and 2-aminoethane-sulfonic acid. Furthermore, the invention is directed to a method for the electroless deposition of metal layers utilizing an inventive electrolyte as well as the use of β-amino acids as stabilizer in electrolytes for the electroless deposition of metal layers in general. | 06-21-2012 |
20120164341 | METHOD FOR REMOVING IMPURITIES FROM PLATING SOLUTIONS - Impurities are removed from electroless tin and tin alloy plating solutions by generating precipitates through the addition of sufficient amounts of benzenesulfonic acid, benzenesulfonic acid hydrate or salts thereof to the electroless tin and tin alloy plating solutions. The precipitates may then be removed from the electroless plating solutions using conventional apparatus. | 06-28-2012 |
20120164342 | METHOD FOR REMOVING IMPURITIES FROM PLATING SOLUTION - A method of regenerating an electroless tin or tin alloy plating solution containing thiourea or thiourea compounds by reducing impurities by adding organosulfonic acid, organosulfonic acid compound, or salts thereof in certain amounts and then cooling the solution to form precipitates. The precipitates are then removed from the tin or tin alloy solution. | 06-28-2012 |
20130295294 | ELECTROLESS COPPER PLATING BATH AND ELECTROLESS COPPER PLATING METHOD - Provided are an electroless copper plating bath and an electroless copper plating method using the electroless copper plating bath, the electroless copper plating bath not containing formaldehyde; being usable under approximately neutral pH conditions; improving plating bath stability; and capable of forming a plating film with a good thickness while controlling deposition outside a pattern. The electroless copper plating bath according to the present invention contains a water-soluble copper salt, and amine borane or a substituted derivative thereof as a reducing agent; does not contain formaldehyde; and has a pH of 4 to 9, wherein polyaminopolyphosphonic acid as a complexing agent, an anionic surface-active agent, an antimony compound, and a nitrogen-containing aromatic compound are contained. | 11-07-2013 |
20160130702 | METHOD OF OPERATING AN ELECTROLESS PLATING APPARATUS - A method of operating an electroless plating apparatus is disclosed. The operating method includes: storing in the electroless plating apparatus an order of priority of the plurality of processes which has been predetermined based on a stability of a processed substrate with respect to pure water; supplying pure water into the holder storage bath when any of the plurality of processing baths malfunctions; determining whether or not a relieving process can be performed, the relieving process being a process of performing a higher-priority process on a substrate; if the relieving process can be performed, performing the relieving process and then immersing the substrate holder holding the substrate in the pure water in the holder storage bath; and if the relieving process cannot be performed, immersing the substrate holder, holding the substrate, in the pure water held in the holder storage bath without performing the relieving process. | 05-12-2016 |
20160153290 | GAS TURBINE BLADE AND METHOD OF PROTECTING SAME | 06-02-2016 |
20160160354 | COATINGS FOR TURBINE PARTS - A method and a turbine part having a coating with a matrix layer that includes a high temperature resistant hydrophobic polysiloxane filler, wherein the coating has superior mechanical strength and temperature resistance. | 06-09-2016 |
427438000 | Nickel coating | 5 |
20080241410 | Method of recycling electroless nickel waste - An electroless nickel plating bath is provided that utilizes hypophosphite ions as a reducing agent and is substantially free of sulphate and sodium ions. Spent nickel in the plating bath is removed using an ion exchange resin and the remaining effluent solution is usable for manufacturing fertilizer compositions. The nickel is processed for inclusion back into the plating bath. Thus, the process of the invention allows for the indefinite use of the solutions without discharging hazardous waste. | 10-02-2008 |
20080274294 | COPPER-METALLIZED INTEGRATED CIRCUITS HAVING ELECTROLESS THICK COPPER BOND PADS - A metal structure ( | 11-06-2008 |
20090232999 | Method of Electrolytically Dissolving Nickel into Electroless Nickel Plating Solutions - A method of extending the lifetime of an electroless nickel plating bath by avoiding the addition of unwanted anions to the process and of improving the pH stability of the bath and minimizing additions of pH correcting additives. The method includes the steps of (a) depositing electroless nickel from an electroless nickel plating bath onto a substrate, wherein the electroless nickel plating bath preferably contains a source of nickel ions and a source of hypophosphite ions; (2) immersing a nickel anode in the plating bath; (3) completing the circuit by utilizing a cathode separated from the nickel bath by an ion exchange membrane and using a catholyte comprising an acid or a salt thereof; and (4) passing a current through the bath. Nickel is dissolved into the plating bath to maintain the nickel concentration and hydrogen is discharged from the cathode. | 09-17-2009 |
20090317556 | Method of Chrome Plating Magnesium and Magnesium Alloys - A process for chrome plating magnesium and its alloys. The process uses a combination of electroless nickel plating, a multi-stage copper coating transition system and multiple layers of electrodeposited nickel to form a corrosion resistant system of substantial impermeability and interlayer adherence suitable for direct chromium electroplating. | 12-24-2009 |
20130216721 | Process for Electroless Deposition on Magnesium Using a Nickel Hydrate Plating Bath - A plating process using an electroless plating bath formed from a single component solution used to effect nickel or nickel alloy plating on magnesium. The plating solution is provided with a nickel hydrate compound as a source of plating ions, a sodium hydrate compound and ammonium hydroxide. The bath solution is heated to a temperature of 50° C. or more, and the substrate is immersed therein for upto ten minutes to allow for formation of the heating layer. | 08-22-2013 |