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| Number | Title | Issue Date |
| 8142897 | Paint adhesion by polyvinyl amines in acidic aqueous corrosion protection product containing polymers The invention relates to an aqueous, chromium-free and curable corrosion protection agent for the first coating of metal surfaces, said agent containing at least one organic polymer or copolymer of at least partially acylated vinyl amines, for improving the properti... | 03/27/2012 |
| 8142841 | Apparatus and methods for deoxidizing metal surfaces Methods for deoxidizing metallic surfaces are disclosed. Such a method may include contacting a surface of a metal strip with one or more chemical solutions until a potential drop across a thickness of the metal strip is less than a pre-selected value. To process a ... | 03/27/2012 |
| 8137500 | Sprayable low-viscosity rubber damping compounds Sprayable low-viscosity rubber damping compounds based on liquid rubbers or elastomers and vulcanization agents, which contain small quantities of structure-reinforcing fiber fillers, are notable for the absence of previously usual solid rubbers and have a very low ... | 03/20/2012 |
| 8092617 | Composition and processes of a dry-in-place trivalent chromium corrosion-resistant coating for use on metal surfaces Corrosion resistant coatings are formed on aluminum by contacting with aqueous solutions containing trivalent chromium ions and fluorometallate ions, the solutions being substantially free of hexavalent chromium. Trivalent chromium films formed on the aluminum surfa... | 01/10/2012 |
| 8087916 | Holding jig for a foamable material The invention provides a holding jig for supporting and fixing a solid material capable of being foamed by application of heat in a cavity of a hollow structure. The holding jig may be provided with a plate-like base body made smaller in diameter than the cavity of ... | 01/03/2012 |
| 8079442 | Acoustic baffle A heat expandable baffle for sealing automotive cavities comprising a carrier plate with an outer perimeter and a strand of a heat expandable material along the major part of the outer perimeter, this strand circumscribing a central section of the carrier plate whic... | 12/20/2011 |
| 7981314 | Corrosion inhibitor formulations with improved performance, lower toxicity and reduced manufacturing hazards Aqueous corrosion inhibitor compositions, preferably storage-stable, useful in acidic cleaning solutions for cleaning the surfaces of metal, comprising reaction products of at least one rosin amine component, at least one non-flammable liquid ketone component, at le... | 07/19/2011 |
| 7960474 | High strength adhesives with impact peel strength A single-component high-temperature-curing reactive composition based on natural and/or synthetic elastomers having olefinic double bonds and on vulcanizing agents is provided. Such compositions contain at least one liquid polyene with a molecular weight between 400... | 06/14/2011 |
| 7926867 | Reinforcing component A lengthwise extended component contains of a support that possesses flow channels in the direction of its longitudinal axis. The support additionally possesses external surfaces that are offset to each other in the direction of the longitudinal axis as well as a la... | 04/19/2011 |
| 7919181 | Conductive, organic coatings with low layer thickness and good plasticity The invention relates to a metal sheet, or a component made of a metallic material, comprising a layer system on the surface with at least the following layers: a) a conversion layer, comprising no more than 1 mg chromium per m2, b) a layer of a cross-lin... | 04/05/2011 |
| 7913814 | Acoustic baffle assembly An acoustic baffle assembly for sealing or baffling a hollow body having a mass of heat activated expandable material that is capable of activating at a predetermined temperature. A substrate supports the mass. The substrate has a central portion and spaced apart pr... | 03/29/2011 |
| 7902298 | Bonding agents and sealants based on liquid rubbers High-temperature-curing reactive compositions based on natural and/or synthetic elastomers containing olefinic double bonds, and on vulcanizing agents, are described, which contain at least one liquid polyene having a molecular weight between 400 and 80,000 and at l... | 03/08/2011 |
| 7851025 | Silicate treatment of sealed anodized aluminum The present invention describes a method for the post-treatment of fully sealed anodized aluminum parts, especially for the automotive industry, characterized in that an aqueous silicate solution is applied to fully sealed anodized aluminum layers, where said fully ... | 12/14/2010 |
| 7741413 | Curable compositions having improved adhesion performance The present invention relates to adhesion-improved, curable compositions comprising a cyclic ether, a cyclic thiocarbonate, an amine and a carboxylic acid. A method of making such compositions and their use in adhesives, sealants and coatings are also provided. ... | 06/22/2010 |
| 7736743 | Heat curable, thermally expandable composition with high degree of expansion Compositions containing at least one liquid epoxy resin, at least one solid epoxy resin, at least one propellant, at least one curing agent and at least one mica-containing filler produce expandable, thermally curable binder systems which may be used without the add... | 06/15/2010 |
| 7709058 | Process for coating metal sheet, especially zinc sheet A process for coating metals, selected from aluminum and its alloys, zinc and its alloys, and galvanized or alloy-galvanized steel, in which the metal is given a weather-resistant protective coating, wherein the metal is cleaned if necessary, and thereafter subjecte... | 05/04/2010 |
| 7670442 | Iron phosphating process that reduces laser scale resulting in improved paint adhesion A process for iron phosphating ferrous metal substrates having undesirable ferrous oxides thereon, such as that formed by laser cutting, that eliminates at least the pickling step in the phosphating process and provides good paint adhesion, and compositions of matte... | 03/02/2010 |
| 7651556 | Treating agent for forming a protective coating and metallic materials with a protective coating A protective coating is formed on a metallic material surface by applying a treating agent comprising water, an alkali silicate, and, optionally, a lubricating component to the surface and drying the treating agent. The coating film thereby formed has excellent anti... | 01/26/2010 |
| 7578921 | Process for anodically coating aluminum and/or titanium with ceramic oxides An article of manufacture and a process for making the article by generating corrosion-, heat- and abrasion-resistant ceramic coatings comprising titanium and/or zirconium dioxide using direct and alternating current on anodes comprising aluminum and/or titanium. Op... | 08/25/2009 |
| 7569132 | Process for anodically coating an aluminum substrate with ceramic oxides prior to polytetrafluoroethylene or silicone coating An article of manufacture and a process for making the article by the anodization of aluminum and aluminum alloy workpieces to provide corrosion-, heat- and abrasion-resistant ceramic coatings comprising titanium and/or zirconium oxides, and the subsequent coating o... | 08/04/2009 |
| 7510613 | Composition and process for treating metals Metal surfaces are treated with acidic aqueous compositions to form conversion coatings. The acidic aqueous compositions contain fluorometallate anions, divalent and/or trivalent cations of certain elements such as zinc, phosphorus-containing inorganic oxyanions, ph... | 03/31/2009 |
| 7479177 | Coating for cold working metals The invention involves a composition for forming a combined conversion and lubricating coating on a metal substrate with which the composition is brought into contact. The composition comprises (a) an oxyethylated aliphatic alcohol whose aliphatic hydrocarbon moiety... | 01/20/2009 |
| 7473717 | Expandable epoxy resin-based systems modified with thermoplastic polymers Expandable thermosettable compositions containing at least one epoxy resin, at least one finely divided thermoplastic polymer powder, at least one blowing agent, at least one curing agent, and at least one filler are suitable for the production of thermosetting lami... | 01/06/2009 |
| 7473324 | Corrosion resistant coatings Autodeposition of a coating containing an epoxy resin is accomplished over a metal substrate that has been coated with a zinc phosphate conversion coating without significant removal of the zinc phosphate conversion coating. ... | 01/06/2009 |
| 7462582 | Waterborne composition for forming protective coatings A waterborne composition for forming protective coatings to provide, by a simple method comprising coating and drying onto a metal surface, a coating that is uniform with little unevenness and that has an excellent galling resistance and workability that are at leas... | 12/09/2008 |
| 7452428 | Method for coating metal substrates with a radically polymerizable coating agent and coated substrates The invention relates to a method and coating agents used in the method which provide good adherence to and good corrosion protection of metal substrates; the coating coating agents are cross-linkable via radical polymerization. Adhesion promoting compounds are pres... | 11/18/2008 |
| 7452852 | Water-based paint-removing solution Paint residues may be removed from spraying equipment and the like by flushing with aqueous compositions containing alkoxylated aromatic alcohols wherein the aromatic ring moieties of such alcohols do not bear any alkyl substituent containing more than 4 carbon atom... | 11/18/2008 |
| 7452454 | Anodized coating over aluminum and aluminum alloy coated substrates Using aqueous electrolytes containing complex fluorides or oxyfluorides such as fluorozirconates and fluorotitanates, ferrous metal articles and non-metallic articles having a first coating containing aluminum may be rapidly anodized to form a second protective surf... | 11/18/2008 |
| 7414012 | Aqueous lubricant for plastic working of metallic material and method for forming lubricant film A waterborne lubricant, useful in the plastic working of metals, which imparts a lubricating behavior to the surface of metals in the absence of a conversion coating contains (A) water-soluble inorganic salt and (B) wax, wherein these components are dissolved or dis... | 08/19/2008 |
| RE40406 | Process for coating and/or touching up coatings on metallic surfaces A composition and method for coating and touching up a metal surface is provided. The composition contains from about 0.5 to about 240 millimoles per kilogram of a fluorometallate ion, from about 0.5 grams/liters to about 10 grams/liter of phosphorous-containing ino... | 07/01/2008 |
| 7337788 | Compositions useful for cleaning solvent-based paint from paint delivery installations Uncured solvent-based paint may be flushed from a paint delivery installation using a substantially non-aqueous composition containing one or more organic solvents and a polymer having acid and/or amine functional groups. ... | 03/04/2008 |
| 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 |
| 7229506 | Process for pickling martensitic or ferritic stainless steel A process for pickling martensitic or ferritic stainless steel, preferably in the form of wires, tubes or rods, wherein the stainless steel is placed in contact with a pickling solution which has a temperature in the range 15 to 29° C. and contains 50 to 120 g/l of... | 06/12/2007 |
| 7204890 | Process for removing fine particulate soil from hard surfaces Many prior art processes for cleaning predominantly organic hard surfaces have been found to be considerably less effective in removing very fine particles on such surfaces than are the best cleaners for metallic surfaces. However, it has been found, and forms the b... | 04/17/2007 |
| 7179775 | Coating removal compositions An aqueous coating removal composition containing: a) an alkoxylated aromatic alcohol, b) an amine; and c) an inorganic base is provided. The coating removal compositions are useful in cleaning coatings such as paint from substrate surfaces and may be formulated to ... | 02/20/2007 |
| 7179385 | Method for treating paint booth water systems The invention is a composition and method for treating paint booth water systems to facilitate paint removal. The composition comprises water, solid particles of insoluble organic polymer, such as, by way of non-limiting example, urea methanal copolymer, preferably ... | 02/20/2007 |
| 7175882 | Process for coating metal surfaces A protective coating is formed on a metallic surface by contacting the surface with an aqueous solution of fluorometallate followed by an aqueous solution containing vanadate ions. The process does not require the use of any organic substances, but provides a corros... | 02/13/2007 |
| 7091166 | Acidic, phosphate-free plastic cleaner composition with reduced mild steel equipment etch for cleaning plastic parts An aqueous liquid composition comprising water; at least one acid selected from the group consisting of carboxylic acids, hydroxycarboxylic acids, and inorganic acids other than phosphoric acid wherein the at least one acid is present in an amount from about 1.0 to ... | 08/15/2006 |
| 7091163 | Flushing solutions for coatings removal A flushing solution containing: a) a solvent component, b) an alkaline source; and c) a corrosion inhibitor component is provided. The solvent component preferably contains an alkoxylated aromatic alcohol. The corrosion inhibitor component may contain a fatty acid s... | 08/15/2006 |
| 6916414 | Light metal anodization Using pulsed current and relatively low average voltages, articles containing light metals such as magnesium may be rapidly anodized to form protective surface coatings. The anodizing solutions employed may contain phosphate, permanganate, silicate, zirconate, vanad... | 07/12/2005 |
