| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 071029000 | With phosphorus-containing substances | 22 |
| 20080289384 | TUNGSTATE BASED CORROSION INHIBITORS - A trace amount of a tungstate added together with an ortho-phosphate and/or phosphonite is disclosed for inhibiting corrosion by a nitrogen fertilizer solution. In particular, an ammonium nitrate fertilizer solution is in contact with ferrous metal storage tanks, piping, and equipment surfaces. Tungstate added with an iron stabilizer including a dispersant polymer is also effective for inhibiting corrosion. | 11-27-2008 |
| 20090095040 | Urea phosphite fertilizer - A new fertilizer comprising Urea Phosphite, which is made by reacting phosphorous acid with urea. Urea Phosphite is characterized by being a liquid produced in an unprocessed reaction, and by having phosphite as a phosphorus source and urea as a nitrogen source. The reaction product may be blended with an admix and spray dried, or dissolved in water. | 04-16-2009 |
| 20110259068 | Amino alcohol solutions of N-(n-butyl)thiophosphoric triamide (NBPT) and urea fertilizers using such solutions as urease inhibitors - A method of producing reduced volatility of urea fertilizers comprising: dissolving N-(n-butyl)-thiophosphoric triamide (NBPT) in an amino alcohol having the formula 1ā(H) | 10-27-2011 |
| 20110296885 | COMPOSITIONS FOR SUSTAINED RELEASE OF AGRICULTURAL MACRONUTRIENTS AND PROCESS THEREOF - A macronutrient sustained release composition for a plant locus containing a nanocomposite wherein a nitrogen containing macronutrient compound adsorbed on the surface of hydroxy apatite phosphate nanoparticles is intercalated within the interlayer spacing of a nanoclay. The nanocomposite containing the adsorbed macronutrient compounds is slowly released in a sustained manner when contacted with an acidic soil. | 12-08-2011 |
| 20110296886 | REACTION PRODUCTS AND METHODS FOR MAKING AND USING THE SAME - Reaction products and methods for making and using the same are provided. In at least one specific embodiment, the fertilizer can include a nitrogen source comprising urea, ammonia, ammonium nitrate, or any combination thereof and a reaction product of formaldehyde, an ammonia source, and a nitrification inhibitor. | 12-08-2011 |
| 20110296887 | CELLULOSE BASED SUSTAINED RELEASE MACRONUTRIENT COMPOSITION FOR FERTILIZER APPLICATION - A macronutrient sustained release composition for a plant locus having nitrogen containing macronutrient compound adsorbed on the surface of hydroxyapatite phosphate nanoparticles, and a process for preparation thereof. The macronutrient adsorbed hydroxyapatite phosphate nanoparticles are encapsulated within cavities present in wood such that the biodegradation of the wood releases the adsorbed macronutrient compounds in a slow and sustained manner to the soil. Further, the macronutrient particles are encapsulated within the cell cavities of wood and wood is coated with cellulose modified hydroxyapatite phosphate nanoparticles such that the rupture of the nanocoating initiates the nitrogen release followed by the biodegradation of the wood releases the rest of the adsorbed macronutrient compounds in a slow and sustained manner to the soil. | 12-08-2011 |
| 20110314883 | Buffered amino alcohol solutions of N-(n-butyl)thiophosphoric triamide (NBPT) and urea fertilizers using such solutions as urease inhibitors - Reduced volatility of urea fertilizers are prepared in accordance with the present invention by first preparing an N-(n-butyl)-thiophosphoric triamide (NBPT) solution by dissolving NBPT in a mixture of an amino alcohol having the formula 1ā(H) | 12-29-2011 |
| 20120017659 | FERTILIZERS CONTAINING ANIMAL NUTRIENT CORE PACKET - A fertilizer supplying animal nutrients including a core particle having an outer surface and comprising compounds containing animal nutrients, and a coating of urea on the outer surface of the core particle, and further a process of making the fertilizer including the steps of: screening animal nutrient core particles comprising a powdered substance containing an animal nutrient, to a preselected particle size; spraying melted urea onto the surface of the nutrient core particles to produce a coating on the nutrient core particles; granulating the nutrient core particles with sprayed melted urea to produce nutrient core granules; and cooling the nutrient core granules. | 01-26-2012 |
| 20120067094 | UREA FERTILIZER CONTAINING CENTRAL VOLATILIZATION INHIBITOR PARTICLES TO REDUCE RELEASE OF AMMONIA AND PROCESSES FOR MAKING SAME - A urea fertilizer having reduced ammonia volatilization upon application to soil including a central particle having an outer surface and comprising ammonia volatilization inhibiting compounds containing one or more of boron and iodine, and a coating of urea on the outer surface of the central particle, and further a process of making the fertilizer including the steps of: granulating ammonia volatilization inhibiting compounds containing one or more of boron and iodine, with a binder to produce volatilization inhibitor particles; screening the inhibitor particles to a preselected particle size; spraying melted urea onto the surface of the inhibitor particles to produce a coating on the inhibitor particles; granulating the coated inhibitor particles with sprayed melted urea to produce granules of urea coated central volatilization particles; and cooling the granules. | 03-22-2012 |
| 20120096912 | METHOD FOR INCREASING CROP YIELD - The method for increasing yield of crop plants uses foliar application to the plants during the plant growth stage of a granular fertilizer consisting essentially of urea, ammonium sulfate and a fertilizer stabilizing agent. The stabilizing agent regulates and slows down decomposition nitrogen in urea and/or ammonium sulfate to maximize use thereof. The granular fertilizer has a urea/ammonium sulfate weight ratio of about 4/1 and contains at least 40% nitrogen and at least 4% sulfur. The relatively high NāS fertilizer is applied at relatively high rates of about 100 to 150 pounds per acre to ensure that the fertilizer nutrients are always available to the plants at several stages of growth. | 04-26-2012 |
| 20120131971 | Nutrient Delivery with an Aluminosilicate Substrate - Plant nutrients are captured by means of cation exchange and are rendered water insoluble and held indefinitely by electrostatic ionic attraction within the confines of the delivery medium, to wit: zeolites substrate. These nutrients are released or accessible upon plant demand, minimizing leaching into surrounding soil or groundwater. A delivery method provides a naturally occurring zeolites substrate. The substrate possesses a valence charge of minus 2 (ā2). The substrate is doped with one or a number of chemical agents that through natural cationic exchange allow the substrate to encapsulate and hold by means of electrostatic ionic attraction one or a number of nutrient elements or compounds. | 05-31-2012 |
| 20120180538 | STABILIZED COMPOSITIONS COMPRISING AMMONIUM NITRATE - Preferred aspects of the present invention provide ammonium nitrate compositions comprising ammonium nitrate and at least one stabilizing agent, and preferably a third compound. In certain preferred embodiments, the stabilizing agent, together with third compound, is present under conditions and in amounts effective to substantially reduce the detonation sensitivity of the composition and/or to otherwise improve a desired property of the composition. | 07-19-2012 |
| 20130098125 | COMPOSITION AND METHOD FOR SUSTAINED RELEASE OF AGRICULTURAL MACRONUTRIENTS - A fertilizer composition wherein a nitrogen containing macronutrient is adsorbed on the surface of hydroxyapatite phosphate nanoparticles. Said fertilizer composition slowly releases the nitrogen containing macronutrient to soil. | 04-25-2013 |
| 20130174623 | CONDITIONED UREA-BASED GRANULAR FERTILIZERS AND METHODS OF MAKING THEREOF - The present invention provides methods for preparing flowable urea-based granular fertilizers, wherein the urea-based granular fertilizer has become wet; comprising contacting the urea-based granular fertilizer with a conditioner; and optionally other components to form a more flowable urea-base granular fertilizer. Methods for preventing urea-based granular fertilizer caking and urea-based granular fertilizer compositions are also disclosed. | 07-11-2013 |
| 20130174624 | DUAL SALT FERTILIZER GIVING ENHANCED CROP YIELDS - Multiple-component fertilizer materials and methods of use are provided, wherein the fertilizer materials include first and second fertilizer products respectively including an ammoniacal fertilizer (e.g., urea) in combination with a partial calcium salt of a selected copolymer, and a phosphorous fertilizer (e.g., DAP) in combination with a partial sodium salt of a selected copolymer. The copolymer fractions of the first and second fertilizer products are most preferably copolymers of itaconic acid and maleic anhydride. The fertilizer materials give synergistically enhanced crop yields when applied to soil or growing plants. | 07-11-2013 |
| 20130283873 | ADDITIVE CONTAINING N-(N-BUTYL)THIOPHOSPHORIC TRIAMIDE FOR UREA-BASED FERTILIZER - A dry flowable additive for aqueous urea-based fertilizers made of solid urea formaldehyde polymer (UFP), N-(n-butyl)thiophosphoric triamide (NBPT), and, optionally, dicyandiamide (DCD), wherein the liquid fertilizer containing the additive provides reduced nitrogen loss from the soil. Optionally, the dry additive may also be blended with molten or solid urea to form a solid urea-based fertilizer with reduced nitrogen loss from the soil. | 10-31-2013 |
| 20140060134 | Dust Suppressing Aggregate - A dust suppressing aggregate includes a core particle and a dust suppressing agent. The dust suppressing agent comprises polycarbodiimide and is disposed about the core particle for suppressing dusting of the core particle. A method of forming the dust suppressing aggregate includes the steps of reacting isocyanates in the presence of a catalyst to form the polycarbodiimide and encapsulating the core particle with the polycarbodiimide to form the dust suppressing agent. A system for producing the dust suppressing aggregate includes the core particle, the isocyanates, and the catalyst. | 03-06-2014 |
| 20140165683 | COMPOSITIONS AND METHODS FOR SUSTAINED RELEASE OF AGRICULTURAL MACRONUTRIENTS - A solid fertilizer composition wherein a nitrogen-containing macronutrient is adsorbed on the surface of hydroxyapatite phosphate nanoparticles and wherein the ratio of the nitrogen-containing macronutrient to the hydroxyapatite phosphate is between 1:1 and 10:1. In certain embodiments, said solid fertilizer composition slowly releases the nitrogen-containing macronutrient to soil. | 06-19-2014 |
| 20140366598 | ENCAPSULATED NITROGEN FERTILIZER COMPOSITION WITH FIRE-EXTINGUISHING AND FIRE-SPREADING PREVENTING OPTION CORRESPONDING MANUFACTURE PROCESS AND APPLICATION PROCESS - An encapsulated fertilizing composition can provide for slow and gradual release of nitrogen in the form of ammonium, can be applied via dilution in water, and can act as a fire extinguisher and a fire spread preventer. | 12-18-2014 |
| 20150329433 | ENVIRONMENT-FRIENDLY SLOW-RELEASE SULFUR-BASED NITROGEN POTASSIUM COMPOUND FERTILIZER - Provided is an environment-friendly slow-release sulfur-based nitrogen potassium compound fertilizer. The preparation includes first preparing sulfur-based nitrogen potassium compound fertilizer granules, and then conducting primary coating of stearic acid and secondary surface powder dusting of modified zeolite powder on the sulfur-based nitrogen potassium compound fertilizer granules, to obtain the slow-release sulfur-based nitrogen potassium compound fertilizer. The sulfur-based nitrogen potassium compound fertilizer granules are prepared from the following raw materials in parts by weight: 31 to 57 parts of urea, 10 to 20 parts of ammonium sulfate, 20 to 50 parts of potassium sulfate, 6 to 12 parts of a granulating auxiliary agent, and a proper amount of water. | 11-19-2015 |
| 20160002118 | POLYPHOSPHATE FERTILIZER COMBINATIONS - A composite particle and a population of particles comprising a water-insoluble polyphosphate composition, methods of producing, and methods of using the same are provided. The polyphosphate composition may comprise at least one alkaline earth metal selected from calcium and magnesium and optionally at least one nutrient ion selected from the group consisting of potassium, ammonium, zinc, iron, manganese, copper, boron, chlorine, iodine, molybdenum, selenium or sulfur. | 01-07-2016 |
| 20160083308 | FERTILIZER COMPOSITION CONTAINING MICRONUTRIENTS AND METHODS OF MAKING SAME - A fertilizer composition including a base fertilizer granule with a barrier coating and one or more micronutrients. The base fertilizer material is coated with a barrier coating, and then a coating of one or more micronutrients. Alternatively, the base fertilizer material is coated with a barrier coating having discrete particles of micronutrients dispersed throughout. The barrier coating acts to physically and chemically isolate the micronutrient particles from the underlying fertilizer composition such that more of the micronutrient is available to the soil solution, and ultimately to the root zone of the plant. | 03-24-2016 |
