Patent application number | Description | Published |
20090032144 | PRETREATMENT COMPOSITIONS AND METHODS FOR COATING A METAL SUBSTRATE - Disclosed are methods for treating metal substrates, including ferrous substrates, such as cold rolled steel and electrogalvanized steel. The methods include contacting the substrate with a pretreatment composition that includes: (a) a group IIIB and/or IVB metal; (b) free fluorine; (c) a metal fluoride salt formed from a metal which forms a fluoride salt having a pK | 02-05-2009 |
20090084682 | METHODS FOR COATING A METAL SUBSTRATE AND RELATED COATED METAL SUBSTRATES - Disclosed are methods for treating metal substrates, including ferrous substrates, such as cold rolled steel and electrogalvanized steel. The methods include depositing an electropositive metal onto at least a portion of the substrate, and then contacting the substrate with a pretreatment composition that is substantially free of crystalline phosphates and chromates. The present invention also relates to coated substrates produced thereby. | 04-02-2009 |
20100159258 | METHODS FOR PASSIVATING A METAL SUBSTRATE AND RELATED COATED METAL SUBSTRATES - Disclosed are methods for passivating metal substrates, including ferrous substrates, such as cold rolled steel and electrogalvanized steel. The methods comprise the steps of depositing an electropositive metal onto at least a portion of the substrate, followed immediately by electrophoretically depositing on the substrate a curable, electrodepositable coating composition. The present invention also relates to coated substrates produced by the above methods. | 06-24-2010 |
20100243108 | METHOD FOR TREATING AND/OR COATING A SUBSTRATE WITH NON-CHROME MATERIALS - The present invention is directed to a method for coating a substrate comprising: (a) applying a caustic cleaner onto at least a portion of the substrate; (b) rinsing at least a portion of the substrate that was subjected to step (a) with water; (c) applying an acid cleaner onto at least a portion of the caustically cleaned substrate; (d) rinsing at least a portion of the substrate that was subjected to step (c) with water; and (e) applying a conversion coating comprising zirconium onto at least a portion of the acid cleaned substrate; and wherein at least one of the materials used in steps (c) and (e) is substantially chrome free. The present invention is also directed to a substrate, such as an aluminum substrate, that has been coated using the aforementioned method. | 09-30-2010 |
20120145039 | REPLENISHING COMPOSITIONS AND METHODS OF REPLENISHING PRETREATMENT COMPOSITIONS - Disclosed are replenisher compositions and methods of replenishing pretreatment compositions. The methods include adding a replenisher composition to a pretreatment composition wherein the replenisher composition includes (a) a zirconium complex and also optionally includes: (b) a dissolved complex metal fluoride ion wherein the metal ion comprises a Group IIIA metal, Group IVA metal, Group IVB metal, or combinations thereof; (c) a component comprising an oxide, hydroxide, or carbonate of Group IIIA, Group IVA, Group IVB metals; or combinations thereof; and/or (d) a dissolved metal ion comprising a Group IB metal, Group IIB metal, Group VIIB metal, Group VIII metal, Lanthanide Series metal, or combinations thereof. | 06-14-2012 |
20120183806 | Pretreatment Compositions and Methods For Coating A Metal Substrate - Disclosed are pretreatment compositions and associated methods for treating metal substrates with pretreatment compositions, including ferrous substrates, such as cold rolled steel and electrogalvanized steel. The pretreatment composition includes: (a) a group IIIB and/or IVB metal; (b) free fluorine; (c) a source of aluminum ions; and (d) water. The methods include contacting the metal substrates with the pretreatment composition. | 07-19-2012 |
20130034742 | ZIRCONIUM PRETREATMENT COMPOSITIONS CONTAINING A RARE EARTH METAL, ASSOCIATED METHODS FOR TREATING METAL SUBSTRATES, AND RELATED COATED METAL SUBSTRATES - Disclosed are methods for treating metal substrates that include contacting the substrate with a pretreatment composition comprising a rare earth metal and a zirconyl compound. The present invention also relates to coated substrates produced thereby and further to substrates additionally coated with an electrophoretically applied coating composition. | 02-07-2013 |
20140272405 | METHOD FOR PREPARING AND TREATING A STEEL SUBSTRATE - Disclosed are methods for treating metal substrates, including ferrous substrates, such as cold rolled steel and electrogalvanized steel. The methods include contacting the metal substrates with a conditioning composition including a free fluoride source and then depositing a pretreatment composition including a Group IIIB and/or IVB metal on a portion of the substrate contacted with the conditioning composition. Also disclosed are electrophoretically coated substrates treated by the methods. | 09-18-2014 |
20140305803 | PRETREATMENT COMPOSITIONS AND METHODS FOR COATING A METAL SUBSTRATE - Disclosed are pretreatment compositions and associated methods for treating metal substrates with pretreatment compositions, including ferrous substrates, such as cold rolled steel and electrogalvanized steel. The pretreatment composition includes: (a) a group IIIB and/or IVB metal; (b) free fluorine; (c) a source of aluminum ions; and (d) water. The methods include contacting the metal substrates with the pretreatment composition. | 10-16-2014 |
20150064445 | ACTIVATING RINSE AND METHOD FOR TREATING A SUBSTRATE - An activating rinse for treating a substrate is disclosed. The activating rinse comprises a first component comprising a dispersion of divalent or trivalent metal phosphate particles having an average particle size that is not greater than 10 μm, and a second component comprising first and second copolymers. The first copolymer is formed by the polymerization of ethylene oxide, propylene oxide, or combinations thereof, wherein one end of the first copolymer is terminated by an amine group, a hydroxyl group, or an alkyl group. The second copolymer is formed by the polymerization of styrene and a second monomer containing at least one carboxylate group, anhydride group, or combinations thereof. The second monomer is present in an amount of less than 50 percent by weight of the total weight of the second component. Also disclosed are methods for treating a substrate with the activating rinse and substrates treated with the activating rinse. | 03-05-2015 |