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| Number | Title | Issue Date |
| 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 |
| 5545264 | Method of and apparatus for processing metal material The invention relates to a method and apparatus for processing a metal material. In the present invention, a chlorine hydrocarbon solution, water and surfactant solution are mixed together. As an alternative to chlorine hydrocarbon solution, methylene chl... | 08/13/1996 |
| 4931109 | Method and apparatus for depositing an inorganic phosphate coating A method and an apparatus for depositing an inorganic phosphate coating on a metal substrate includes providing a first composition in a first bath having a high water and a high alcohol content and providing a second composition in a second bath having a... | 06/05/1990 |
| 4678518 | Non-aqueous degreasing and chromating solution for metal treatment A non-aqueous chromating treatment solution comprising a chlorofluorocarbon solvent, chromic acid anhydride, an alcohol solubilizer, and an organic carboxylic acid reaction promotor gives a higher coating amount of chromate film and better corrosion resis... | 07/07/1987 |
| 4675054 | Process for treating metal surface In the process of chromate treatment, a metallic material which has been immersed in a chromate treatment solution is allowed to stand in an atmosphere substantially free from any ingredient of the chromate treatment solution for at least 30 seconds and t... | 06/23/1987 |
| 4540448 | Microemulsion-based acid composition and its uses, particularly for cleaning operations Composition comprising a hydrophobic liquid, an aqueous acid solution, a surfactant agent and a cosurfactant, a microemulsion being formed between the hydrophobic liquid and the aqueous solution; the surfactant comprises one or more surface-active phospho... | 09/10/1985 |
| 4508756 | Method for inhibiting oxidation of a copper film on ceramic body A method for inhibiting oxidation of copper electrodes of a ceramic capacitor, comprising the step of subjecting copper films formed by an electroless plating process or the like and serving as opposed electrodes of a ceramic capacitor to a hydrocarbon ha... | 04/02/1985 |
| 4451301 | Organic phosphating solution for the phosphating of metallic surfaces Homogeneous phosphating solutions comprise low-boiling halogenated hydrocarbons, aqueous phosphoric acid, methanol or an alcohol mixture consisting predominantly of methanol, nitroaromatics, ureas, optional conventional stabilizers, inhibitors, or acceler... | 05/29/1984 |
| 4447273 | Process for phosphating metallic surfaces in nonaqueous phosphating baths A process for phosphating metallic surfaces in nonaqueous phosphating baths comprising low-boiling halogenated hydrocarbons, aqueous phosphoric acid as the phosphating agent, alcohols as the solubilizer, and, optionally, further known components, e.g., st... | 05/08/1984 |
| 4334936 | Liquid composition for phosphating metal surfaces A liquid composition for phosphating metal surfaces is disclosed which composition contains a major amount of methylene chloride, a phosphating proportion of phosphoric acid, water in an amount exceeding the proportion of phosphoric acid, an aliphatic solvent which... | 06/15/1982 |
| 4257828 | Non-aqueous composition for chemical treatment of a metallic substrate A non-aqueous composition for chemical treatment of the surface of a metallic substrate which comprises a chlorinated hydrocarbon solvent, chromic anhydride, phosphoric acid, a solubilizer and a stabilizer. By the use of such non-aqueous composition, chem... | 03/24/1981 |
| 4186035 | Chromium containing coating A chromium-containing treating composition, which is especially useful for rinsing phosphatized metal surfaces, contains hexavalent chromium-containing compound, methylene chloride and a substance that can be acetamide, N,N-dimethylformamide, acetone oxim... | 01/29/1980 |
| 4143205 | Phosphatized and painted metal articles Metal substrates, and particularly ferrous metal substrates, are now protected by having on their surface composite coatings wherein the base coating comprises a water-insoluble phosphatized coating from an organic phosphatizing composition. Over the phos... | 03/06/1979 |
| 4118253 | Non-flammable solvent phosphatizing compositions yielding non water soluble coatings A liquid phosphatizing composition, containing organic solvent such as 1,1,1-trichlorethane or trichlorofluoromethane, can provide phosphate coatings on metal articles. In addition to the organic solvent, the composition contains a phosphatizing proportio... | 10/03/1978 |
| 4102710 | Adjuvant composition for solvent phosphatizing solution Topcoat adhesion is now increased for coatings applied over a solvent phosphatized metallic surface. The phosphatized surface is obtained from a composition that can contain methylene chloride, as well as water in minor amount, and yet maintain a continuo... | 07/25/1978 |
| 4056409 | Increasing topcoat adhesion for solvent phosphatized surfaces Topcoat adhesion is now increased for coatings applied over a solvent phosphatized metallic surface. The phosphatized surface is obtained from a composition that can contain methylene chloride, as well as water in minor amount, and yet maintain a continuo... | 11/01/1977 |
| 4029523 | Solvent phosphatizing compositions yielding non water soluble coatings A liquid phosphatizing composition, containing organic solvent such as 1,1,1-trichlorethane or trichlorofluoromethane, can provide phosphate coatings on metal articles. In addition to the organic solvent, the composition contains a phosphatizing proportio... | 06/14/1977 |
| 4023986 | Chemical surface coating bath Efficiency of chemical surface finishing baths for metal articles, particularly electrolytic baths for anodizing metals such as aluminum, magnesium or titanium is improved by incorporating into the bath an effective amount, typically from 0.1 to 50 grams ... | 05/17/1977 |
| 4008101 | Methylene chloride phosphatizing A liquid composition, containing methylene chloride, can provide phosphate coatings on metal articles. In addition to the methylene chloride, the composition contains a phosphatizing proportion of phosphoric acid and a solubilizing solvent capable of solu... | 02/15/1977 |
