| Patent application number | Description | Published |
|---|
| 20080197020 | Method for Producing Painted, Flat Metallic Moulded Bodies - Flat shaped bodies which comprise at least one metallic layer, a conversion coat applied thereto, and at least one paint coat, and methods for producing such bodies starting from flat, metallic, semifinished products. | 08-21-2008 |
| 20080199714 | Method For the Passivation of Metal Surfaces With Compositions Comprising Polymers With Acid Groups and Waxes - Process for the passivation of metallic surfaces, in particular of strip metals, by treatment of the surface with an acidic, aqueous preparation which comprises at least one water-soluble acid group-containing polymer and at least one wax. | 08-21-2008 |
| 20080233390 | Polymer Composition For Corrosion Protection - The present invention relates to a composition for coating metallic surfaces, comprising a binder component; a corrosion inhibitor polymer based on an ethylenically monocarboxylic and dicarboxylic acid and, if appropriate, further ethylenical monomers, a solvent component, and, if appropriate, crosslinkable components, and also pigment/filler components. The invention further relates to processes for its preparation and also to methods of coating a metallic surface using the composition, to coated metallic surfaces thus obtained, and to the use of the composition as a primer, particularly in coil coating or in atmospheric corrosion control. After drying, the applied layer preferably has a thickness of at least 3.1 μm and is therefore thicker than a typical pretreatment layer. | 09-25-2008 |
| 20080269446 | Method for Producing Carboxylate-Rich Copolymers from Monoethylenically Unsaturated Monocarboxylic and Dicarboxylic Acids and Carboxylate-Rich Copolymers Having a Low Neurtralization Degree - Partially neutralized carboxylate-rich copolymers, processes for their preparation and methods of using the same are disclosed, the copolymers comprising: monomers (A), (B), and (C); wherein monomer (A) comprises at least one monoethylenically unsaturated monocarboxylic acid, and is present in an amount of 30% to 79.99% by weight; wherein monomer (B) comprises at least one monoethylenically unsaturated dicarboxylic acid selected from the group consisting of acids corresponding to general formula I, acids corresponding to general formula II, anhydrides thereof, and other hydrolyzable derivatives thereof, and is present in an amount of 20.01% to 70% by weight: | 10-30-2008 |
| 20090007990 | METHOD FOR PASSIVATING METALLIC SURFACES BY USING ITACONIC ACID HOMOPOLYMERS OR COPOLYMERS - A process for passivating a metallic surface by treating it with an acidic aqueous preparation comprising at least one itaconic acid homo- or copolymer. Passivating layers and metallic surfaces obtainable by means of the process. | 01-08-2009 |
| 20090029155 | Preparation For And Method Of Applying Corrosion Control Coats - Preparation for and a method of applying corrosion control coats to metallic surfaces, particularly the surfaces of metallic structures or metal constructions, the preparation comprising at least one binder system curable under atmospheric conditions, a dicarboxylic acid-olefin copolymer, and a finely divided filler, pigment or dye. Coated metallic surface obtainable by means of the method, especially the surface of metallic structures or metal constructions. | 01-29-2009 |
| 20090078087 | PROCESS FOR THE ACID DIGESTION OF METAL-CONTAINING COMPOUNDS - Aqueous leachant compositions and processes for using the same comprising: (a) providing a metal-containing compound; and (b) subjecting the metal-containing compound to an acid digestion comprising contacting the metal-containing compound with an aqueous leachant; wherein the aqueous leachant comprises a mixture selected from the group consisting of: (i) sulfuric acid and one or more alkanesulfonic acids having alkane moieties selected from the group consisting of propyl, ethyl and methyl groups, at a weight ratio of alkanesulfonic acid to sulfuric acid of 1:1000 to 1:1; (ii) sulfuric acid and one or more salts of alkanesulfonic acids having alkane moieties selected from the group consisting of propyl, ethyl and methyl groups, at a weight ratio of salt of alkanesulfonic acid to sulfuric acid of 1:9 to 1:99. | 03-26-2009 |
| 20090186231 | PROCESS FOR COATING PLASTIC OR METAL SURFACES - A method of coating surfaces of plastic or metal, which comprises treating the plastic or metal surface in question with an aqueous dispersion comprising
| 07-23-2009 |
| 20090208735 | Method for Coating Metals - Process for coating metallic surfaces with a copolymer of olefins and/or dienes, acidic monomers and, optionally, further monomers, the metal surfaces being contaminated with oil and/or grease, and the contamination not being removed prior to coating. Metallic surface obtainable by means of the process. | 08-20-2009 |
| 20090324839 | METHOD OF PASSIVATING METALLIC SURFACES BY MEANS OF COPOLYMERS HAVING PHOSPHORIC ACID AND/OR PHOSPHONIC ACID GROUPS - Process for passivating metallic surfaces, and a preparation suitable for implementing the process, comprising at least water, an acid, and a copolymer of functionalized (meth)acrylic esters, monomers containing phosphoric and/or phosphonic acid groups, monomers having COOH groups, and, if appropriate, further monomers. Copolymer which comprises said monomers. | 12-31-2009 |
| 20100143632 | COATING COMPOSITION COMPRISING POLYETHYLENIMINE AND POLY(METH)ACRYLIC ACID - A composition comprising polyethylenimine, poly(meth)acrylic acid or salts thereof and, if appropriate, auxiliaries and additives typical for coating materials or paints, and also solvents, is used for corrosion control for the coating of carbon steel/black steel. | 06-10-2010 |
| 20100175792 | CARBOXYLATE-CONTAINING POLYMERS FOR METAL SURFACE TREATMENT - The present invention relates to a composition for treating surfaces, comprising a copolymer as component A, synthesized from (meth)acrylic acid or salts thereof, a carboxylate-containing monomer and/or monomers containing groups containing phosphoric and/or phosphoric acid or salts thereof, and further comonomers if desired, to a passivating layer on a metal surface, which comprises component A, to a process for forming said passivating layer, and to the use of the composition of the invention to passivate a metal surface. | 07-15-2010 |
| 20100227179 | METHOD FOR TREATING SURFACES - A method of treating surfaces using one or more than one copolymer (A) comprising as comonomers in copolymerized form:
| 09-09-2010 |
| 20100273015 | COPOLYMERS, METHOD FOR PRODUCING THEM AND THEIR USE FOR TREATING SURFACES - Copolymers comprising as comonomers in copolymerized form: | 10-28-2010 |
| 20110017352 | CONTINUOUS METHOD FOR TREATING THE SURFACE OF METAL STRIPS - A continuous method for surface treatment of metal strips applies a finish coat having a thickness of not more than 3 μm, the apparatus employed for application being equipped with at least one IR sensor which faces a coated side of the strip, operates in reflection geometry, and serves to measure the coat thickness of the finish coat, with the strip running. | 01-27-2011 |
| 20110151266 | ANTICORROSION PIGMENTS WITH POSITIVE ZETA POTENTIAL - The present invention relates to the use of oxidic nanoparticles having an average particle size of 2 to 2000 nm in combination with at least one polycationic polymer as corrosion protection for metallic surfaces and also to a method of protecting metallic surfaces from corrosion, comprising the steps of:
| 06-23-2011 |
