Class 71/32 - Phosphorus-containing

Subclass of Class 71 - Chemistry: fertilizers
Definition: Methods and products in which the fertilizer contains P.
No. of patents: 81
Last issue date: 01/03/2012

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Number	Title	Issue Date
8088191	Potassium polyphosphite composition for agricultural use and associated methods A bactericidal and fungicidal composition having fertilizer properties, the composition containing a high percentage of potassium polyphosphite is disclosed. The composition is useful as a fungicide, bactericide, and as a fertilizer for application to plants and, pa...	01/03/2012
8034149	Process for obtaining a fertilizer with sustained release of phosphorus The present invention relates to obtaining a fertilizer with sustained release of phosphorus, enriched with other macro and micronutrients, which can be produced by pyrolysis of pyrobituminous shale, in combination with calcareous shale and with natural phosphatidic...	10/11/2011
7887616	Potassium polyphosphite composition for agricultural use and associated methods A fungicidal composition having fertilizer properties, the composition containing a high percentage of potassium polyphosphate is disclosed. The composition is useful as a fungicide and as a fertilizer for application to plants and, particularly, commercial crops. A...	02/15/2011
7485171	Use of solid-phase buffer to improve plant cultivation The present invention provides a phosphorus solid-phase buffering system that can be spatially localized, i.e., banded on top of, or at specific depths, in media, e.g., soil, by which phosphorus concentrations in the media are reduced or maintained at levels suffici...	02/03/2009
7452398	Phosphate and potash(PK)-containing compound fertilizer The primary object of the invention is to provide a method of producing novel phosphate and potash (PK) containing compound fertilizers in the form of powders showing good handle-ability by which method the phosphate components contained in an incinerated ash residu...	11/18/2008
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
7160349	Formulation of phosphorus fertilizer for plants Concentrated phosphorus fertilizers are disclosed that comprise a buffered composition of an organic acid and salts thereof and a phosphorous-containing acid and salts thereof. The concentrated phosphorus fertilizers can be diluted with water of pH ranging from abou...	01/09/2007
7160350	Formulation of phosphorus fertilizer for plants Concentrated phosphorus fertilizers are disclosed that comprise a buffered composition of an organic acid and salts thereof and a phosphorous-containing acid and salts thereof. The concentrated phosphorus fertilizers can be diluted with water of pH ranging from abou...	01/09/2007
7147361	Methods for injecting dry bulk amendments for water and soil treatment The present invention includes methods for introducing a dry material into a fluid stream in a way that ensures a predictable, highly accurate and consistent application of the material. The invention applies variable amounts of dry material regardless of whether th...	12/12/2006
7108732	Process for producing fertilizer comprising sparingly water-soluble phosphatic fertilizer, urea/aliphatic aldehyde condensation product and water-repellent substance The fertilizer of the invention is a fertilizer containing a sparingly water-soluble phosphatic fertilizer and a urea/aliphatic aldehyde condensation product. The process for controlling inoganizing speed of urea/aliphatic aldehyde condensation product of the invent...	09/19/2006
6994850	Method for preparing a biological fertilizer composition comprising swine manure The present invention provides a method for preparing a biological fertilizer composition that comprises yeast cells and swine manure. The yeast cells of the invention have an enhanced ability to fix atmospheric nitrogen, decompose phosphorus minerals and compounds,...	02/07/2006
6979444	Method for preparing a biological fertilizer composition comprising poultry manure The present invention provides a method for preparing a biological fertilizer composition that comprises yeast cells and poultry manure. The yeast cells of the invention have an enhanced ability to fix atmospheric nitrogen, decompose phosphorus minerals and compound...	12/27/2005
6929673	Formulation of phosphorus fertilizer for plants Concentrated phosphorus fertilizers are disclosed that comprise a buffered composition of an organic acid and salts thereof and a phosphorous-containing acid and salts thereof. The concentrated phosphorus fertilizers can be diluted with water of pH ranging from abou...	08/16/2005
6908495	Low oxygen organic waste bioconversion system The present invention is directed to a substantially odorless biological treatment process for solid and liquid organic wastes. The present invention also provides for a novel nutrient rich humus material produced from the biological treatment process. The bioconver...	06/21/2005
6896714	Formulation of phosphorus fertilizer for plants Concentrated phosphorus fertilizers are disclosed that comprise a buffered composition of an organic acid and salts thereof and a phosphorous-containing acid and salts thereof. The concentrated phosphorus fertilizers can be diluted with water of pH ranging from abou...	05/24/2005
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
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
6770593	Fertilizer The present invention provides a liquid fertilizer comprising a mixture of a salt of phosphorous acid together with either a thiosulphate such as ammonium or potassium thiosulphate and/or a salt of salicylic acid or salicyle amide. The use of this combination as a f...	08/03/2004
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
6695892	Organic fertilizer having humic properties its method of production and its use The invention concerns a method for the production of an organic fertilizer of humic-like nature, by oxidising and ammoniating treatment of lignite, characterised by the fact that lignite is suspended in a aqueous ammoniacal medium of pH>9 to 12 and in th...	02/24/2004
6645268	Formulation of phosphorus fertilizer for plants Concentrated phosphorus fertilizers are disclosed that comprise a buffered composition of an organic acid and salts thereof and a phosphorous-containing acid and salts thereof. The concentrated phosphorus fertilizers can be diluted with water of pH rangin...	11/11/2003
6566304	Biogenic control and limitation of the reproduction of parasitic earth nematodes in stock culture The invention relates to use of (a) compounds of phosphorus containing at least partly lipophilic organic radicals together with (b) urea and/or urea derivatives in selected quantity ratios of (a) to (b) as a soil additive for biologically controlling pla...	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
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
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
6537340	Process for recycling materials used in water treatment A conditioned alum-type water treatment residual is disclosed. A process for the conditioning of alum-type water treatment residual is likewise disclosed. The process includes dewatering the alum-type water treatment residual and conditioning by at least ...	03/25/2003
6490826	Methods of utilizing a finely divided mineral composite A mineral composite consists essentially of a naturally occurring glacial deposit comprising not more than 20 weight percent Si, 10-20 weight percent Ca, 2-10 weight percent Mg, 2-10 weight percent Fe, 1-10 weight percent K, 1-5 weight percent Al, 0-3.0 w...	12/10/2002
6488735	Fertilizer compound having a glass matrix A fertilizer compound having a glass matrix comprises, among the forming oxides of the glass matrix, a phosphorus pentoxide (P2 O5) as partial and/or full replacement of silica (SiO2); among the modifier oxides of the said...	12/03/2002
6432155	Compositions containing phosphate and xanthan gum variants Compositions containing phosphate and xanthan gum variants useful as liquid fertilizers, fire retardant coating materials and animal feed....	08/13/2002
6391238	Method of producing algae cultivating medium Raw material of algae cultivating medium molded body is manufactured by mixing a mixture containing inorganic material, curing material and algae cultivating nutriment, molding the mixture to molded bodies and curing the molded bodies. The molded bodies a...	05/21/2002
6391080	Phosphate, phosphatic fertilizers manufacturing process The new process is a process designed to produce P205 (the basic component in phosphoric acid, phosphate chemicals and fertilizers) in the gas phase in lieu of the state of the art (liquid phase) wet process. The new process is much less polluting than th...	05/21/2002
6391079	Fertilizer with a chelate element Fertilizer with a chelate element is provided which comprises 0.01 to 4 parts of a compound of a metal for forming the central metal of a chelate compound, 1 to 5 parts of an oxycarboxylic acid, 2 to 8 parts of a potassic element, 0.1 to 1 part of a nitro...	05/21/2002
6387146	Granular fertilizer for plants containing a type of mycorrhizal fungus The invention relates to a granular fertilizer for plants, the grains of said fertilizer containing spores and/or mycellium of at least one type of mycorrhizal fungus in sufficient amounts to ensure symbiosis....	05/14/2002
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
6293047	Finely divided mineral composite, and methods of making and utilizing same A mineral composite consists essentially of a naturally occuring glacial deposit comprising not more than 20 weight percent Si-containing compounds, 10-20 weight percent Ca-containing compounds, 2-10 weight percent Mg-containing compounds, 2-10 weight per...	09/25/2001
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
6241795	Soluble fertilizer formulation A dry, concentrated, fertilizer which is readily water-soluble and a method of applying the solubilized dilute fertilizer to crops to enhance crop production are described. The dry fertilizer contains a contains nitrogen, phosphorus and potassium compound...	06/05/2001
6207615	Lawn fertilizer for canine waste damage A lawn fertilizer to minimize or negate canine waste damage consisting of nitrogen, phosphorus and potash. The dry fertilizer is sprinkled over the canine waste damage and is compounded depending upon the season to provide starter fertilizer, summer ferti...	03/27/2001

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Class 71/32 - Phosphorus-containing