Class 71/33 - Phosphates

Subclass of Class 71 - Chemistry: fertilizers
Definition: Methods directed to the preparation of inorganic fertilizers
No. of patents: 102
Last issue date: 12/13/2011

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Number	Title	Issue Date
8075660	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, i...	12/13/2011
7967889	Soluble and solubilizing, free-flowing, solid fertilizer compositions, and the preparation thereof A solid free-flowing particulate fertilizer composition is provided, as well as a method of manufacturing same. The composition has low tendency to caking, is easy for storage and manipulation, dissolves rapidly and completely in water, and can be used directly as a...	06/28/2011
7744672	Process for producing a nitrogen-potash fertilizer The invention relates to the chemical industry and can be used while producing granulated nitrogen-potash fertilizers. An ammonia nitrate melt in the amount of 33-69 weight %, potassium chloride in the amount of 22-65 weight %, and a specific mineral admixture—pho...	06/29/2010
7497891	Method for producing a fertilizer with micronutrients According to a method of producing a phosphate fertilizer, a first portion of the phosphate is produced in a pipe cross reactor, and a second portion of the phosphate is produced in a pre-neutralizer. Both the first and second portions of the phosphate are supplied ...	03/03/2009
7410589	Hog manure treatment method The invention relates to a method of treating manure such that odor from the manure is significantly reduced or eliminated and producing therefrom recyclable water, value-added biosolids and ammonia. Specifically, the manure is combined with lime at high pH. The mat...	08/12/2008
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
7183237	Method for the use of distiller's grain as herbicide and fertilizer A method of weed control using a biological paradigm. A method for the use of dried distiller's grain and soluble as an herbicide and a fertilizer in the use of crop production. A method for the processing of corn and other crops including the re-use of the dried gr...	02/27/2007
7128880	Organic recycling with a pipe-cross or tubular reactor The invention is directed to a process for enhancing the plant nutrient value of relatively low analysis organic waste material (e.g. sewage sludge) involves treating the waste material with an acid and base in a pipe-cross reactor or tubular to form a melt; sprayin...	10/31/2006
7021864	Soil binding and revegetation compositions and methods of making and using such compositions Soil binding and revegetation compositions useful for stabilizing soil and promoting vegetation or revegetation of soil comprise water, an endosperm, an iron compound, a strong base, and a fibrous material comprising at least two different types of fibers. The endos...	04/04/2006
6936087	Soil conditioning agglomerates containing calcium Mechanically strong, water-disintegrable agglomerates made from a particulate calcium source, a water-soluble binder and optionally containing a primary plant nutrient source and/or micronutrient source and a process for forming such agglomerates are disclosed. The ...	08/30/2005
6843020	Fertilizer spike and method and apparatus for inserting same into soil A fertilizer spike is insertable into soil utilizing a tool having prongs. The fertilizer spike comprises a fertilizer body comprised of fertilizer material having a base end with an outer surface that converges toward a tip end, in which at least two channels are f...	01/18/2005
6824584	Ammonium phosphate/phosphite fertilizer compound A high concentration, stable, neutral liquid fertilizer solution containing ammonium phosphite with a preferred composition of 9.8-34-0 for use as a fertilizer and a method for production and use of such a compound is disclosed. ...	11/30/2004
6818039	Anionic polymers composed of dicarboxylic acids and uses thereof Biodegradable anionic polymers are disclosed which include recurring polymeric subunits preferably made up of dicarboxylic monomers such as maleic anhydride, itaconic anhydride or citraconic anhydride. Free radical polymerization is used in the synthesis of the poly...	11/16/2004
6753395	Anionic polymers composed of dicarboxylic acids and uses thereof Biodegradable anionic polymers are disclosed which include recurring polymeric subunits preferably made up of dicarboxylic monomers such as maleic anhydride, itaconic anhydride or citraconic anhydride. Free radical polymerization is used in the synthesis of the poly...	06/22/2004
6749660	Solid-chemical composition and method of preparation for the anaerobic bioremediation of environmental contaminants coupled to denitrification This invention concerns the formulation and preparation of ammonium- and urea-free solid-chemical compositions for the anaerobic bioremediation of environmental contamination using the biological process of denitrification. The composition includes nitrate salts and...	06/15/2004
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
6733560	Water soluble complex fertilizers, method for their preparation and related use The present invention relates to a method for the preparation of a complex NPK fertilizer in the form of granules or prills, and to a method for its preparation and to the related use of the fertilizer thereby obtained. In particular the present invention relates to...	05/11/2004
6706837	Anionic polymers composed of dicarboxylic acids and uses thereof Biodegradable anionic polymers are disclosed which include recurring polymeric subunits preferably made up of dicarboxylic monomers such as maleic anhydride, itaconic anhydride or citraconic anhydride. Free radical polymerization is used in the synthesis of the poly...	03/16/2004
6703469	Anionic polymers composed of dicarboxylic acids and uses thereof Biodegradable anionic polymers are disclosed which include recurring polymeric subunits preferably made up of dicarboxylic monomers such as maleic anhydride, itaconic anhydride or citraconic anhydride. Free radical polymerization is used in the synthesis ...	03/09/2004
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
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
6506805	Magnesium ammonium phosphate hexahydrate and monohydrate slurries A magnesium ammonium phosphate slurry and method of producing magnesium ammonium phosphate slurries. The method provides for obtaining a magnesium hydroxide supply having a small particle size of about 2 microns. Aqua ammonia and phosphoric acid are seque...	01/14/2003
6503287	System and method of soil distribution, such as a soil blend, capable of being blown into place A soil distribution system, and particularly a method of blowing topsoil, using an improved topsoil blend and specialized equipment, onto selected surfaces, including sloped surfaces. The topsoil blend may be placed either via traditional or selected plac...	01/07/2003
6476082	Magnesium ammonium phosphate hexahydrate slurry A magnesium ammonium phosphate slurry and method of producing magnesium ammonium phosphate slurries. The method provides for obtaining a magnesium hydroxide supply having a small particle size of about 1 to 2 microns. Aqua ammonia and phosphoric acid are ...	11/05/2002
6471741	Liquid soil enrichment microbial compositions Shelf-stable soil enrichment solutions contain beneficial soil and plant microbial spores or colonies, e.g. Bacillus bacteria and/or Trichoderma fungal species, that remain at least about 90% viable for at least 12, preferably 18, months at room temperatu...	10/29/2002
6436165	Foliar phosphate fertilizers Foliar fertilizers which include a phosphate ester in concentrations greater than approximately 1/2 molar with water. The phosphate esters are preferably polyhydroxy alcohol orthophosphate esters, such as ethylene glycol phosphate esters. The fertilizer s...	08/20/2002
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
6387272	Process for utilizing liquid manure material A process for utilizing the material of ammonium-containing effluent which contains further soluble constituents and, possible additional solids, comprising: a) optionally separating off the solids, b) concentrating the substantially solids-free ammonium-conta...	05/14/2002
6355083	Dust control composition for fertilizer and method of treatment of fertilizer A dust control composition for and method of treating fertilizer particles, the composition comprising 10-100% by weight oxidized oil, 0-90% by weight non-oxidized oil, and 0-90% by weight wax. The fertilizer particle is selected from the group consisting...	03/12/2002
6346131	Fertilizer compositions for administering phosphates to plants A plant fertilizer composition that includes an acid whereby said acid may react with, chelate, or block any metal ions in the soil in which the plants grow during administration of the fertilizer. This reaction renders the metal ions substantially ineffe...	02/12/2002
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
6287357	Solid-phase phosphorus buffer for sustained, low-leaching phosphorus fertilization of field-grown plants A method of providing a continuous, buffered, low-leaching phosphorus fertilization of field plants in soil has been developed. The method is broadly applicable to field soils, but is particularly well-suited to soil that has inherently low phosphorus (P)...	09/11/2001
6231633	Granular coated fertilizer and method for producing the same Provided is a granular fertilizer coated with a thermosetting resin coating, characterized in that a dissolution rate of the fertilizer is retarded by containing a hydrophobic compound in at least one of the coating portion and the fertilizer portion ther...	05/15/2001
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
6168643	Inorganic phosphorus fertilizer Concentrated phosphorus fertilizers of the phosphorous variety are described which are absorbed quickly into plant systems and improve plant growth. Particularly described are fertilizers having a combination of phosphorous acid or its salts thereof, and ...	01/02/2001
6120574	Slow release fertilizer spike An attrition resistant fertilizer spike composition, exhibiting a mechanical strength which allows the spike to be hammered unsupported into the soil without suffering damage, to provide an effective source of slow releasing plant nutrients to the soil. T...	09/19/2000
6080221	Vacuum coated particulate fertilizers A method of coating fertilizer particles exhibiting porous surfaces under vacuum to form attrition resistant controlled release particulate fertilizers, by drawing a vacuum on the fertilizer particles and applying thereto a water insoluble fluid resin at ...	06/27/2000
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
6039782	Preparing organic powder by anaerobically treating fermentation waste fluid and aerobically treating the digested fermentation liquor The present invention relates to a process for producing granulated organic matters wherein a precipitated fraction obtaied in a settling tank from a methane fermentation fluid having been treated aerobically in an aeration tank is added to a fermentation...	03/21/2000
6036740	Concentrated gypsum slurries for use in drip irrigation Concentrated aqueous gypsum slurries containing small amounts of water soluble phosphonates are non-clogging when used in drip irrigation systems....	03/14/2000

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Class 71/33 - Phosphates