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| Number | Title | Issue Date |
| 6858058 | Fertilizer with excess free sequestering agents In a dry or concentrated liquid fertilizer when local water is added to dilute to a working concentration, the hardness components (e.g., Ca/Mg) in the local water react with the fertilizer components and begin to form low-solubility salts. These low-solubility salt... | 02/22/2005 |
| 6565860 | Surfactant coated products and methods for their use in promoting plant growth and soil remediation Novel mixed agricultural compositions, and methods for their use are disclosed. The agricultural compositions are prepared by a process comprising mixing together a carrier, such as a solid fertilizer or liquid solvent, and a carbohydrate-based surfactant... | 05/20/2003 |
| 6541421 | Buffered phosphorus containing solution This invention relates to a buffered phosphorus containing solution comprising at least one phosphorus compound selected from the group consisting of phosphorous acid, hypophosphorous acid, polyphosphorous acid polyhypophosphorous acid, and salts thereof.... | 04/01/2003 |
| 6322607 | Zinc-ammonium phosphate fertilizers A process of obtaining a co-granulate of zinc and ammonium phosphate having a N/P ratio of 0.6-1.9 which includes initially feeding ammonium phosphate in finely divided form with a zinc source such as zinc oxide or zinc sulphate into a granulator wherein ... | 11/27/2001 |
| 6217629 | Phosphate sulfur fertilizer particles and methods for making same Provided herein are novel porous phosphate sulfur fertilizer particles which are in a continuous phase, and have applications in supplying soluble phosphates to plants and crops, thus increasing the yield of such crops. Also provided are novel methods of ... | 04/17/2001 |
| 6045810 | Reinforced-resin coated plant food granules A reinforced-resin coated, attrition resistant controlled release plant food containing water soluble central spheroids of plant nutrients amounting to between 75 and 98 percent and water insoluble resin coatings amounting to between 2 and 25 percent cove... | 04/04/2000 |
| 5997602 | Aqueous fertilzer suspension containing at least phosphate ions and calcium or magnesium ions and a use of the suspension The invention relates to a stable, concentrated aqueous fertilizer suspension, which can be diluted with water to provide a working solution. The suspension contains 10 to 60% by weight of water and 40 to 90% by weight of a plant nutrient composition base... | 12/07/1999 |
| 5851260 | Suspension fertilizer suitable for irrigation fertilization, and a process for its preparation The invention relates to a stable aqueous fertilizer suspension suitable for drip irrigation, which suspension contains 5-55% by weight water and 45-95% by weight of one or several plant-nutrient containing substances, of which at least one contains water... | 12/22/1998 |
| 4440560 | Mixed phosphatic fertilizer and process for producing the same In producing a mixed phosphatic fertilizer, humic acid is mixed with fused phosphate to cause the humic acid to react on alkaline ingredients of the fused phosphate for turning these alkaline ingredients into chelate compounds, so that water-soluble phosp... | 04/03/1984 |
| 4239523 | Method for manufacturing phosphatic fertilizers having a high concentration, particularly calcium metaphosphate Ca(PO3)2 A fertilizer rich in calcium metaphosphate is produced by reacting phosphorite or other calcium phosphate-bearing mineral, with ammonium bisulphate to produce a precipitate of calcium sulphate and an aqueous solution rich in ammonium mono- and biphosphate... | 12/16/1980 |
| 4039614 | Method of preparing vanadium pentoxide from metallurgical slags containing vanadium A method for extracting vanadium pentoxide from metallurgical slags containing vanadium with a ratio of (V2 O5 /CaO) being greater than 0.05 including roasting in an oxidizing medium a slag which has been disintegrated to a particle ... | 08/02/1977 |
| 4006006 | Fertilizer Fertilizers with controlled nutrient release produced from the treatment of solid waste with a phosphate to derive paper pulp and precipitated inks, coatings and waxes removed from the paper fibers.... | 02/01/1977 |
| 3963472 | Process for preventing corrosion by incorporative soluble metal chromates in fertilizer solutions A soluble chromate or dichromate is incorporated in a system comprising a metal and an orthophosphate-containing liquid to inhibit corrosion of the system under highly turbulent conditions. The system in which the chromate or dichromate is incorporated is... | 06/15/1976 |
