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| Number | Title | Issue Date |
| 7278063 | Method and system for performing a hardware trace An embodiment of the invention is a method for capturing hardware trace data. A wrap-back address space is defined and during compression mode, trace data is circularly stored in the wrap-back address space. Upon exiting compression mode, a write address is establis... | 10/02/2007 |
| 7115221 | Method for producing graphite powder with an increased bulk density A method for increasing the Scott density of synthetic and/or natural graphite powders of any particle size distribution, preferably of highly-pure graphite, by subjecting the graphite powder to an autogenous surface treatment. The powder is used, in particular, for... | 10/03/2006 |
| 7032849 | Fluidized bed pulverizing and classifying apparatus, and method of pulverizing and classifying solids A fluidized bed pulverizing and classifying apparatus is disclosed having a vessel that includes a pulverizing section having a pulverizing nozzle spraying compressed air to pulverize a powder, a classifying section located over the pulverizing section, including a ... | 04/25/2006 |
| 6911188 | Production of two alkali metal salts by a combined ion exchange and crystallization process The invention relates a process for producing an alkali metal nitrate and an alkali metal phosphate in the same process from a phosphate raw material and a nitrate raw material comprising the steps of: a) reacting the phosphate raw... | 06/28/2005 |
| 5676005 | Wire-drawing lubricant and method of use A process for drawing wire employing a lubricant comprising perfluorocarbon compounds (PFCs), including aliphatic perfluorocarbon compounds (-PFCs) having the general formula Cn F2n+2, perfluoromorpholines having the general f... | 10/14/1997 |
| 5098461 | Phosphatic and nitrogen fertilizers via HNO3 processing A process for producing high-analysis dicalcium phosphate containing phosphatic fertilizers and by-product calcium nitrate. It comprises reacting phosphate rock with nitric acid, followed by pyrolysis of the resulting acidulate to effect liberation of app... | 03/24/1992 |
| 4515615 | Manufacturing and using nitrogen fertilizer solutions on a farm To make non-pressure nitrogenous fertilizer solutions, nitrogen oxides are prepared in a continuous process by burning ammonia in contact with a cobalt oxide catalyst started by an electric arc without preheating the gases. This burning forms nitrogen oxi... | 05/07/1985 |
| 4512794 | Manufacturing and using nitrogen fertilizer solutions on a farm To make non-pressure nitrogenous fertilizer solutions, nitrogen oxides are prepared in a continuous process by burning ammonia in contact with a cobalt oxide catalyst started by an electric arc without pre-heating the gases. This burning forms nitrogen ox... | 04/23/1985 |
| 4511389 | Manufacturing and using nitrogen fertilizer solutions on a farm To make and use nitrogenous fertilizer on a farm, nitrogen dioxide is prepared in a continuous process from air or from ammonia in a reactor, with the ammonia either being transported to the farm or being prepared on the farm in a continuous process from ... | 04/16/1985 |
| 4323386 | Method of manufacturing NP- or NPK-containing fertilizers from magnesium containing phosphate NP- or NPK-containing fertilizers are manufactured from low-grade phosphate ore digested by nitric acid. Substantial problems have been experienced during previous attempts to produce fertilizers from phosphate ore having a high content of magnesium. The ... | 04/06/1982 |
| 4308049 | Process for the absorption of ammonia in acid solutions or slurries A process is disclosed for the absorption of gaseous or liquid ammonia in acid solutions or slurries, including an ammonia absorption zone separated from a water vapor generation zone disposed at a higher level. A pressure difference is created between th... | 12/29/1981 |
| 4177053 | Method for the production of phosphoric acid with high contents of fertilizer-nutrients Phosphoric acid with a high fertilizer-nutrient content is produced by decomposing phosphate rock with nitric acid followed by precipitation of calcium ions with sulfate. The steps of the process are as follows: A. Decomposing phosphate rock with (7-2x) to (17... | 12/04/1979 |
| 4175944 | Removal of fluorine during production of fertilizer The invention provides a novel process for the removal of fluorine during the production of fertilizer by precipitating the ion during the ammoniation step and recovering same by pyrolysis. To recover the fluorine the fertilizer is first separated out as a fil... | 11/27/1979 |
| 4073635 | Process for producing a slurry suitable for the manufacture of a mixed fertilizer containing nitrogen plus phosphorus Crude phosphate is leached with nitric acid to produce an acid slurry, which is thereafter neutralized with ammonia in two successive stages while simultaneously cooling it and adding acid, part of the crude phosphate phosphorus being replaced with phosph... | 02/14/1978 |
| 4063920 | Reducing settling rate of post-precipitate in fertilizer solution by chloride addition Precipitate settling in ammonium polyphosphate liquid fertilizer solutions containing magnesium, iron, aluminum compound impurities, prepared by concentrating and ammoniating wet process orthophosphoric acid, is impeded by addition to the ammonium polypho... | 12/20/1977 |
| 4043789 | Process for manufacturing of phosphoric acid The invention relates to a process for the production of phosphoric acid containing calcium phosphates, i.e. Ca-containing phosphoric acid, by evaporating Ca-containing mother liquor from Odda process, whereby practically all the remaining nitrate and flu... | 08/23/1977 |
| 4008315 | Process for reducing nitrogen oxide losses from certain slurries and solutions by the addition of phosphate salts Nitrous oxide losses are reduced by bringing acid to weakly alkaline salt solutions or suspensions into media containing nitrous oxide or media which develop nitrous oxide.... | 02/15/1977 |
| 3993466 | Fertilizer production Multinutrient synthetic fertilizers, containing potassium and phosphorus and, if desired, other elements of fertilizing value, are produced from phosphate rock or ore and potassium chloride in a method, in which calcium and chlorine are simultaneously rem... | 11/23/1976 |
| 3967948 | Purification of phosphoric acid with urea and nitric acid My invention relates to a new method for purification of wet-process phosphoric acid with co-production of nitrogen solution. The crude acid is treated with urea by known processes to form urea phosphate free of most of the impurities in the crude acid. T... | 07/06/1976 |
