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| Number | Title | Issue Date |
| 7674313 | Controlled release fertilizer and system and method In a method for fertilizing plants, a water source is attached to a fertilizer distribution device including a controlled release fertilizer, the water source is activated, and a controlled release fertilizer enriched solution of water is distributed from the fertil... | 03/09/2010 |
| 7615093 | Controlled release product and method for the production thereof A controlled release product and a method for producing the controlled release product. The product includes a substrate material for release to a surrounding environment and a composition coating the substrate material in a coating layer for providing a controlled ... | 11/10/2009 |
| 7494526 | Plant protection and growth stimulation by nanoscalar particle folial delivery A technique is provided for delivering plant supportive materials to plants. The technique utilizes encapsulation of a plant growth facilitator, such as a plant nutrient, water or pesticide, in small structures that may be taken in through the stomata of plants. Thi... | 02/24/2009 |
| 7416785 | Polyurethane-encapsulated particle comprising polyol derived from aromatic amine-based initiator An encapsulated particle includes a core particle. The core particle includes a fertilizer selected from the group of nitrogen, phosphate, potash, and sulfur, and combinations thereof. The core particle may also include herbicides, insecticides, and fungicides. The ... | 08/26/2008 |
| 7402190 | Method for making formulated nitrogenous and complex fertilizer in highly homogenized spherical granule form starting from urea-formaldehyde liquid resins and the fertilizer made thereby The present invention relates to a method for making formulated nitrogenous and complex fertilizers, in granule form, suitable for slowly releasing nitrogen, comprising the steps of preparing an aqueous urea/formaldehyde dispersion with a molar ratio from 0.8:1 to 2... | 07/22/2008 |
| 7320724 | Compositions for the staged release of nutrients to plants A fertilizer composition is adapted to stage the controlled release of nutrients such that the composition need only be applied once in a plant's growth cycle, but with individual nutrients releasing at predetermined, staged intervals targeted to the precise needs o... | 01/22/2008 |
| 7267707 | Polyurethane encapsulated fertilizer A polyurethane encapsulated, slow release fertilizer with a coating based upon an isocyanate component and an isocyanate-reactive component comprising a polyether polyol. The process for producing such particles comprises applying an isocyanate-reactive component co... | 09/11/2007 |
| 7252697 | Methods for making controlled-release ammonium phosphate fertilizer A method for making controlled-release ammonium phosphate fertilizer has the following acts of: cracking, pulverizing, blending, aging, drying, and adding release-controlling materials into an ammonium phosphate slurry during preparing processes or adding release-co... | 08/07/2007 |
| 7250455 | Physical methods of dispersing characteristic use particles and compositions thereof The present invention provides compositions that are capable of being dispersed in a target medium. The compositions include characteristic use particles entrapped within a physical entrapment phase, wherein the physical entrapment phase is dispersible in the target... | 07/31/2007 |
| 7189275 | Permeable composition, controlled release product and methods for the production thereof A permeable composition, a controlled release product, and methods for producing the permeable composition and controlled release product. The permeable composition includes a matrix material, a particulate filler material, and interfacial passageways between the ma... | 03/13/2007 |
| 7087674 | Controlled release of perfluoropolyether antifoam additives from compounded rubber Antifoam compositions for functional fluids contain antifoam agents comprising perfluoropolyether compounds (PFPE). An automatic transmission fluid is provided containing the antifoam composition in a lubricating base oil, along with conventional additives such as a... | 08/08/2006 |
| 7056865 | Method of and products for promoting improved growth of plants and more water-efficient growing soil or other media and the like with zeolite crystals treated with preferably water-based plant-derived nutrient extractions and the like Improved cation exchange zeolite crystalline and zeolite-like plant bed structures are disclosed, preferably saturated with water-based extracts of particular plant/herb materials exhibiting plant growth acceleration properties and synergistically providing also nut... | 06/06/2006 |
| 7056870 | Controlled release of antifoam additives from compounded rubber A rubber composition contains an antifoam compound that leaches out of the rubber composition when placed in contact with a functional fluid. The antifoam compound is delivered into a functional fluid such as an automatic transmission fluid or an engine oil by conta... | 06/06/2006 |
| 7018441 | Granular coated fertilizer The present invention provides a granular fertilizer which is coated with a thermosetting resin layer (first thermosetting resin layer), a water-insoluble material layer and a thermosetting resin layer (second thermosetting resin layer) from inner to outer layers, a... | 03/28/2006 |
| 7018440 | Granular coated fertilizer The present invention provides a granular fertilizer which is coated with a water-insoluble material layer (first water-insoluble material layer), a thermosetting resin layer (first thermosetting resin layer), a water-insoluble material layer (second water-insoluble... | 03/28/2006 |
| 7001531 | Sustained release coolant additive composition A coolant additive composition comprising a sustained release component and an additive component, the additive component is effective to provide at least one benefit to a coolant when released into the coolant, the sustained release component includes a polymeric m... | 02/21/2006 |
| 6930139 | Anti-explosive fertilizer coatings Coatings for agricultural grade fertilizer particles and industrial grade ammonium nitrate are provided which when applied to particles form a protective film which acts as a barrier to inhibit or prevent hydrocarbon infiltration of the fertilizer particle pores and... | 08/16/2005 |
| 6911488 | Physical methods of dispersing characteristic use particles and compositions thereof The present invention provides compositions that are capable of being dispersed in a target medium. The compositions include characteristic use particles entrapped within a physical entrapment phase, wherein the physical entrapment phase is dispersible in the target... | 06/28/2005 |
| 6890888 | Controlled release agricultural products and processes for making same A controlled release agricultural absorbent based product including particles of an absorbent material containing capillaries/voids between 10-200 microns in cross-sectional diameter which is impregnated in an amount of 40-95% of the capillaries/voids volume with an... | 05/10/2005 |
| 6841515 | Production and use of biosolid granules This invention relates to the production and use of encapsulated and/or concentrically-constructed fertilizer or bioremediation granules such as, for example, granules of 0.5 mm to 10 mm in diameter constructed so that there are at least two components to the granul... | 01/11/2005 |
| 6808557 | Cellulose matrix encapsulation and method A regenerated cellulose-encapsulated active substance and a method for encapsulating an active substance in a regenerated cellulose matrix are disclosed. The distribution of the active substance is preferably substantially homogeneous within the matrix of regenerate... | 10/26/2004 |
| 6749659 | Controlled release rate fertilizers and methods of making same A fertilizer granule comprises: i) an elemental sulfur and swelling clay matrix, and ii) at least one additional fertilizer material incorporated into said matrix. ... | 06/15/2004 |
| 6663686 | Controlled release fertilizer and method for production thereof A controlled release fertilizer material comprising a particulate plant nutrient surrounded by a coating which is the reaction product of a mixture comprising: a polyol, an isocyanate and an organic wax.... | 12/16/2003 |
| 6632262 | Controlled release urea-formaldehyde liquid fertilizer resins A controlled release urea-formaldehyde liquid resin having a nitrogen level of at least 28 wt % and its method of manufacture. The controlled release urea-formaldehyde resin is useful as a fertilizer.... | 10/14/2003 |
| 6617412 | Fertilizer encapsulation using sulfur containing polyols This invention relates to fertilizer encapsulation with polyurethanes wherein the isocyanate-reactive composition contains sulfur. The process of the present invention comprises applying a polyisocyanate composition to fertilizer particles, applying an is... | 09/09/2003 |
| 6606821 | Horticultural drainage method and system A method of draining moisture from a soil includes steps of providing a first surface in contact with the soil, wherein the first surface is permeable and non-absorbent; providing a plurality of granules in contact with the first surface, wherein the plur... | 08/19/2003 |
| 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 |
| 6558445 | Dry fertilizer compositions and method for making the same The present invention describes a composition which has as its base a dry, granular fertilizer and to which is added a flowing agent and further to which is added a hydrophobic agent. The present invention also describes methods for making this compositio... | 05/06/2003 |
| 6544313 | Sulfur-containing fertilizer composition and method for preparing same A fertilizer composition that includes a plurality of particles in which the particles feature a plurality of sulfur platelets embedded within a fertilizer portion, and a method for preparing this composition in which fertilizer-containing particles are s... | 04/08/2003 |
| 6540808 | Controlled release fertilizers based on self-assembled molecule coatings Controlled release fertilizers are provided and methods for their preparation, wherein the controlled release fertilizers are obtained through self-assembling molecules on the surfaces of the fertilizer particles, and then, preferably, linking these molec... | 04/01/2003 |
| 6515177 | Method of coating materials and materials formed thereby A method of forming a methylol urea prepolymer and a particle coated in with the prepolymer. The method involves providing a source of methylol urea and a source of aldehyde and reacting the urea and the aldehyde in the presence of an excess of urea to fo... | 02/04/2003 |
| 6503288 | Process for the production of biodegradable encapsulated fertilizers This invention relates to a process for the preparation of polyurethane encapsulated fertilizer particles. This process comprises applying an isocyanate-reactive component to fertilizer particles, and applying an aliphatic polyisocyanate to fertilizer par... | 01/07/2003 |
| 6500223 | Granular fertilizer coated with decomposable coating film and process for producing the same A coated granular fertilizer which comprises a degradable film containing 10% by weight or more of a polyolefin and/or petroleum wax having a weight-average molecular weight of 300-10,000 and an inorganic filler and/or a surface active agent and a granula... | 12/31/2002 |
| 6464746 | Homogeneous granules of slow-release fertilizer and method of making the same A process for making homogeneous granules of slow-release fertilizer to deliver high doses of slow-release nitrogen in pellets that disperse or fall apart when contacted by moisture. The method includes mixing particles of slow-release nitrogen with parti... | 10/15/2002 |
| 6432156 | Method of coating materials and materials formed thereby A method of forming a methylol prepolymer and a particle coated in with the prepolymer. The method involves providing a source of methylol urea and a source of aldehyde and reacting the urea and the aldehyde in the presence of an excess of urea to form th... | 08/13/2002 |
| 6413292 | Use of an aqueous dispersion from a biodegradable polyester as a sheathing material for granulated fertilizer A polyester dispersion comprising water and a biodegradable copolyester which contains structural units derived from both aliphatic and aromatic carboxylic acids or their derivatives, and the coated fertilizer granules prepared using this polyester disper... | 07/02/2002 |
| 6391454 | Controlled release urea-based products Controlled release urea-based feed supplements for ruminant animals and controlled release urea-based plant nutrients are comprised of particles or granules comprised in whole or in principal part of urea or having urea at or on the exterior surfaces ther... | 05/21/2002 |
| 6364925 | Polyurethane encapsulated fertilizer having improved slow-release properties The present invention relates to polyurethane encapsulated fertilizer particles which exhibit slow-release properties and to a process for their production. The process comprises applying an isocyanate-reactive component to fertilizer particles, to form f... | 04/02/2002 |
| 6358296 | Slow-release polyurethane encapsulated fertilizer using oleo polyols This invention relates to polyurethane encapsulated fertilizer particles which exhibit slow-release properties and to a process for their production. The process comprises (1) applying an isocyanate-reactive component or a polyisocyanate component to fert... | 03/19/2002 |
| 6358295 | Method for producing granular coated fertilizer The present invention provides a method for producing a controlled-release coated fertilizer which provides few floats when applied in water, gives uniform coat and makes it possible to release fertilizer ingredient constantly in a short time at ordinary ... | 03/19/2002 |
