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| Number | Title | Issue Date |
| 8377236 | Stabilized lithium metal powder for Li-ion application, composition and process The present invention provides a stabilized lithium metal powder having a substantially continuous protective layer of lithium phosphate on the lithium metal powder. ... | 02/19/2013 |
| 8349092 | Process for coating metallic surfaces A method for treating or pre-treating parts, profiled-pieces, strips, sheet metals or wires having metallic surfaces, in which at least 5% of these surfaces consists of aluminum or of at least one aluminum alloy with an acid aqueous solution which contains fluoride,... | 01/08/2013 |
| 8262810 | Method for conversion treating surface of magnesium alloy workpiece A method for conversion treating a surface of a magnesium alloy workpiece includes the steps of degreasing, acid pickling, alkali pickling, and chemical converting. A phosphating solution is used in the step of chemical converting and includes the following solution... | 09/11/2012 |
| 8163105 | Corrosion inhibition method The present invention provides a corrosion inhibition method which minimizes environmental adverse effects by using phosphate base anticorrosives without using zinc salt base anticorrosives and by reducing the concentration of the phosphate base anticorrosives, enab... | 04/24/2012 |
| 8062435 | Phosphating operation Operational problems such as scale and sludge formation which are encountered in phosphating processes using compositions containing zinc and at least one of Ni, Co, or Zn may be alleviated by maintaining an effective level of dissolved iron cations in such composit... | 11/22/2011 |
| 8021496 | Stabilized lithium metal powder for Li-ion application, composition and process The present invention provides a method for stabilizing lithium metal powder. The method comprises the steps of heating the lithium metal powder to above its melting point to provide molten lithium metal, dispersing the molten lithium metal, and contacting the dispe... | 09/20/2011 |
| 7942983 | Phosphating solution and method for conversion treating surface of magnesium alloy workpiece An exemplary phosphating solution is used for conversion treating a surface of a magnesium alloy workpiece. The phosphating solution includes: 2.89 gram/liter to 8.67 gram/liter of phosphoric acid, 0.3 gram/liter to 1.0 gram/liter of carbamide, 0.39 gram/liter to 1.... | 05/17/2011 |
| 7422793 | Non-toxic corrosion-protection rinses and seals based on rare earth elements Rinsing or sealing solutions comprising a rare earth element and a valence stabilizer for barrier films. The treated films contain a rare earth/valence stabilizer complex. The rare earth element is selected from cerium, praseodymium, terbium, or combinations thereof... | 09/09/2008 |
| 7422629 | Nonsludging zinc phosphating composition and process Electrolysis using a suitable electrolyte provides a completely nonsludging zinc phosphate conversion coating process that produces a high quality conversion coating in a very short time. The suitable electrolyte contains at least water, dissolved nitric acid, and d... | 09/09/2008 |
| 7407711 | Non-toxic corrosion-protection conversion coats based on rare earth elements Conversion coatings comprising a rare earth element and a valence stabilizer combined to form a rare earth/valence stabilizer complex are described for substrate metals. The rare earth element is selected from cerium, praseodymium, terbium, or combinations thereof, ... | 08/05/2008 |
| 7381281 | Surface treatment method of metal member, and metal goods A method of surface-treating a metal member involves heating, or heating under pressure, the metal member in an aqueous alkaline solution having a pH of 9 or more and containing a manganese compound and a chelating agent dissolved in water, whereby a mold release ag... | 06/03/2008 |
| 7368065 | Implants with textured surface and methods for producing the same Compositions and methods are provided for preparing a metal substrate having a uniform textured surface with a plurality of indentations with a diameter in the nanometer and micrometer range. The textured surface is produced by exposing the substrate to an etching f... | 05/06/2008 |
| 7344607 | Non-chromate conversion coating treatment for metals Chromate-free treatments and compositions, for applying a conversion or passivation coating to zinc coated metal surfaces. The compositions comprise a polyamidoamine/epihalohydrin polymer or cationic polyamine/epihalohydrin polymer component, fluoacid, H3... | 03/18/2008 |
| 7341677 | Non-carcinogenic corrosion inhibiting additive A non-carcinogenic corrosion inhibiting additive includes an anodic corrosion inhibitor and/or a cathodic corrosion inhibitor and a solubility enhancer for the inhibitors in the form of a metal complexing agent. ... | 03/11/2008 |
| 7294211 | Non-toxic corrosion-protection conversion coats based on cobalt Conversion coatings based on cobalt are described for substrate metals such as aluminum, zinc, magnesium, titanium, cadmium, silver, copper, tin, lead, cobalt, zirconium, beryllium, or indium, their alloys, or items coated with these metals. The conversion coating c... | 11/13/2007 |
| 7294210 | Use of substituted hydroxylamines in metal phosphating processes Alkyl-substituted hydroxylamines are useful as aids in the phosphating of metal substrates. In particular, the rate of phosphating and the rate at which manganese compounds are dissolved into aqueous phosphoric acid solutions may be accelerated by alkyl-substituted ... | 11/13/2007 |
| 7291217 | Non-toxic corrosion-protection pigments based on rare earth elements A corrosion-inhibiting pigment comprising a rare earth element and a valence stabilizer combinded to form a rare earth/valence stabilizer complex. The rare earth element is selected from cerium, terbium, praseodymium, or a combination thereof, and at least one rare ... | 11/06/2007 |
| 7235142 | Non-toxic corrosion-protection rinses and seals based on cobalt Rinsing or sealing solutions based on cobalt are described for barrier films such as anodic coatings, phosphate coatings, or “black oxide” coatings. The treated films contain a trivalent or tetravalent cobalt/valence stabilizer complex. The rinsing or sealing ba... | 06/26/2007 |
| 7228800 | Doctor beam having a corrosion-resistant fiber coated channel A doctor beam (1) is provided for a doctor blade for application in a printing unit. The doctor beam comprises a U-shaped channel. At least the U-shaped channel (3), which is formed in a metal beam, is provided with a fibre coating (6) preferabl... | 06/12/2007 |
| 7208054 | Concentrated solution for preparing a surface conditioner, surface conditioner and method of surface conditioning A concentrated solution (liquid concentrate) for preparing a surface conditioner, a surface conditioner (a treatment solution for preparing a surface), which have the excellent stability of dispersion and a method of a surface conditioning using this surface conditi... | 04/24/2007 |
| 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 |
| 7192656 | Zinc galvanizing method for a single surface of a metal tube A zinc galvanizing method for a single surface of a metal tube includes a first step of preparing metal tubes, a second step of galvanizing the metal tubes, a third step of acid washing, a fourth step of washing the metal tubes with water, and a final fifth step of ... | 03/20/2007 |
| 7144637 | Multilayer, corrosion-resistant finish and method The present invention provides a black, chrome-free, multilayer corrosion protection finish designed to meet extended corrosion properties. This corrosion-resistant finish is engineered to meet a minimum of 500 salt spray testing hours to white corrosion, and 1500 s... | 12/05/2006 |
| 7135075 | Corrosion resistant coating with self-healing characteristics An aqueous solution for depositing an inorganic corrosion resistant coating on a metal substrate is disclosed. The aqueous solution comprises a film-forming agent, a supplemental anion, and a substrate activator. The film-forming agent is a vanadate salt that forms ... | 11/14/2006 |
| 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 |
| 7089768 | Washing machine with conveyor device A cabinet-shaped washing machine includes a conveyor belt to move laundry goods in circulation, with the laundry goods passing through various successive steps of the laundry cycle. Following the actual washing process, a downstream pre-dehumidification as well as a... | 08/15/2006 |
| 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 |
| 7030183 | Surface treating method and surface treating agent A plating solution containing zinc, an electrically conductive salt, an adsorbent, and at least one of mono- to hexavalent metal ions. A treatment using either a solution which contains, all per liter, 2–60 g Zn, 40–300 g caustic alkali, 0.01–50 g adsorbent, 0... | 04/18/2006 |
| 7008917 | Cleaning composition in a concentrated form comprising tetrahydrofurfuryl alcohol A cleaning composition, in a concentrated form comprising a water-soluble organic solvent, an ionic surfactant, a nonionic surfactant, a chelating agent, and distilled water. ... | 03/07/2006 |
| 6923153 | Piston and connecting rod assembly having phosphatized bushingless connecting rod and profiled piston pin The present invention relates to a connecting rod and piston pin assembly for an internal combustion engine to improve wear of the piston/connecting rod pivot point and reduce deformation of the pin bore. To this end, the assembly includes a piston having a pin bore... | 08/02/2005 |
| 6887320 | Corrosion resistant, chromate-free conversion coating for magnesium alloys The present invention relates to a process for forming a chromate-free, corrosion resistant coating on a product formed from magnesium or a magnesium alloy and to a solution used for forming the coating. The solution has phosphate and fluoride ions and contains from... | 05/03/2005 |
| 6881279 | High performance non-chrome pretreatment for can-end stock aluminum A chemically and thermally stable chromate free aqueous liquid treatment for metals, especially aluminum, that imparts corrosion resistance as good as that from conventional chromate containing treatments, contains water and a fluoroacid selected from the group cons... | 04/19/2005 |
| 6875334 | Method of anodizing of magnesium and magnesium alloys and producing conductive layers on an anodized surface A method, a composition and a method for making the composition for anodizing metal surfaces, especially magnesium surfaces is disclosed. The composition is a basic aqueous solution including hydroxylamine, phosphate anions and nonionic surfactants. A complementary ... | 04/05/2005 |
| 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 |
| 6818313 | Corrosion-inhibiting coating A corrosion-inhibiting coating, process, and system that provides a tight, adherent zinc- or zinc-alloy coating that is directly deposited onto steel or cast iron surfaces for enhanced corrosion protection. A process for applying the coating is also provided. The pr... | 11/16/2004 |
| 6819005 | Chemical treatment of helical splines in starter In a starter, a barrel of a one-way clutch fits on an outer circumference of an output shaft. The barrel and the output shaft have spline portions and engage with each other. A chemical conversion coating is formed on at least one of the spline portion of the output... | 11/16/2004 |
| 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 |
| 6756092 | Surface treated steel material, a method for its manufacture, and a chemical conversion treatment liquid A chemical conversion treatment liquid which can stably form a phosphate-type chemical conversion film on a steel material for a joint portion of an oil well steel pipe containing 0.5-13% Cr is developed. Using a chemical conversion treatment liquid to which ... | 06/29/2004 |
| 6753095 | Zinc-based metal plated steel sheet treated with phosphate being excellent in formability and method for production thereof The aim of the present invention is to provide a phosphate treated zinc coated steel sheet with excellent workability. A steel sheet coated with a zinc based alloy has a phosphate treated coating on the surface thereof. The phosphate treated coating comprises mainly... | 06/22/2004 |
| 6740424 | Surface coated aluminum fine powder and aqueous chromium-free corrosion inhibiting coating composition including the same A chromium-free corrosion inhibiting coating composition, which does not utilize harmful chromium compounds and can be used for corrosion inhibition of a metal surface, comprising a slurry mixture in which coated aluminum fine powder treated with a hydrophilic coupl... | 05/25/2004 |
