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7534281 |
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...
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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...
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6987082 |
Controlled release products and processes for the preparation thereof
A controlled release product is provided having a suppressed initial release period and a predetermined longevity. The product includes a particulate water soluble core material and a...
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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...
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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...
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6830603 |
Volatility-inhibited urea fertilizers
Volatility-inhibited fertilizers are prepared by coating granular urea with a coating that includes a binding agent having a boron anion and a hydrogen bonding group to adhere the binding agent to...
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6776832 |
Coating compositions for free-flowing dry materials and methods of using same
Coating compositions containing an oxidized oil and an effective amount of a diluent selected from one of: the group of methyl and ethyl esters of fatty acids, oils and combinations thereof; the...
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6591767 |
Seed treatment method
A method of stimulating root growth of seeds is disclosed in which seeds are treated with an effective amount of an aqueous ammoniacal ionic solution of metal alkanoates. Alkanoates having from 2...
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6582637 |
Compost granulation method
Method of granulating compost for the formulation of fertilizers. In one embodiment, the compost is ground to dust and pan granulated. A variety of ancillary materials may be incorporated into the...
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6576035 |
Stabilized enhanced efficiency controllable release calcium cyanamide compositions
Calcium cyanamide compositions and methods for their use are disclosed. The compositions and methods stabilize active ionic compositions comprising calcium cyanamide and enhance the effectiveness...
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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...
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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...
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6261996 |
Pregerminated rice seed
A pregerminated rice seed comprising a plant growth regulator, optionally further comprising a phytoprotection product, especially an insecticide.
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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...
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6132484 |
Wet granulation method for generating fertilizer granules
A method of wet granulation of fertilizer and other materials into granules. The method involves formation of the granule directly on the pan from the feedstock without intermediate steps or the...
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5994265 |
Seed coating composition of gypsum with molybdenum
Embodiments of a coating composition and coating method for seeds are described, the coating including molybdenum and a sulfur-containing component and being for improving seed and seedling...
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5984994 |
Sulfur coated fertilizers with improved abrasion resistance
Sealant compositions for sulfur coated fertilizer particles are mixtures of wax materials and additives which provide improved moisture barrier properties and abrasion resistance. The sealants have...
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5976210 |
Method of manufacture for biological carrier with wicking action and controlled release plant food and microbe food source
A granular fertilizer which provides plant assimilatable nutrients by both hydrolysis and bacterial activity, and which includes biological growth promoting nutrients. The fertilizer is made by...
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5833733 |
Agrochemical formulations for water surface application
New agrochemical formulations for application to the water of paddy fields, which formulations comprise A) at least one solid core material having an apparent specific density of less than 1 and...
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5766302 |
Fertilizer coating process
A process for coating fertilizer granules in which a mixture of adhesive and additive is provided and the particles of the additive in the adhesive are ground to a desired size. The mixture of...
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5698211 |
Stabilized agchemical concentrate and use thereof
The present invention relates to the stabilization of an agricultural chemical concentrate in aqueous solution and the stabilized concentrate which comprises: (a) between about 0.1 and about 20 wt....
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5698002 |
Controlled release fertilizers utilizing an epoxy polymer primer coat and methods of production
Controlled release, particulate fertilizer products having a water soluble fertilizer central mass encased in a plurality of water insoluble, abrasion resistant coatings plus coating compositions...
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5653782 |
Process for the manufacture of sulfur-containing fertilizers
The invention relates to a process for obtaining sulfur-containing fertilizers. According to the invention, a substrate containing fertilizer particles is heated to a temperature above the melting...
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5654033 |
Solid fertilizer with a modifier bound to its surface
A surface-modified solid fertilizer product is produced by preparing a mixture of a modifier, a water-soluble calcium salt, and water. The modifier is desirably a nitrification inhibitor such as...
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5628945 |
Multicomponent powder mixing process and compositions produced thereby
A method for controlling chemical distribution of substances in a solid state (and products produced thereby), the method comprising the steps of mixing particles of a first powder and a...
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5628813 |
Abrasion resistant topcoats for control release coatings
The present invention provides for controlled release chemical compositions having improved controlled release properties wherein core substrate particles comprising a water soluble chemical...
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5597574 |
UV protective aqueous emulsion and emulsifiable solids for cosmetic and agrichemical formulations
This invention relates to a sunscreen composition comprising between about 1 and about 40 wt. % of a hydrophobic aromatic compound having extended conjugation in its structure and selected from the...
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5478375 |
Sealants for fertilizer compositions containing natural waxes
Novel sealants for sulfur coated urea fertilizer are comprised mixtures of fatty esters of polyhydric alcohols and polymers which are soluble therein and contain ester, carboxylate, or hydroxyl...
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5399186 |
Apparatus and process for coating particles
An apparatus and method for continuously producing polymer coated particles, and in particular, a polymer coated fertilizer, wherein the coating material used is, for example, an aqueous film...
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5395449 |
Apparatus and process for coating particles
An apparatus and method for continuously producing polymer coated particles, and in particular, a polymer coated fertilizer, wherein the coating material used is, for example, an aqueous film...
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5215670 |
Process of drying and pelletizing sludge in indirect dryer having recycled sweep air
Dewatered municipal sludge is dried and simultaneously pelletized in an indirect dryer. A sweep air is introduced into the dryer to extract a water vapor and air mixture. The water vapor and air...
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5211985 |
Multi-stage process for continuous coating of fertilizer particles
An apparatus and method for continuously producing polymer coated particles, and in particular, a polymer coated fertilizer, wherein the coating material used is, for example, an aqueous film...
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5204183 |
Composition comprising polymer encapsulant for sealing layer encapsulated substrate
An encapsulated breaker chemical composition used in a fracturing process in an oil or gas stimulation operation which comprises: (a) a breaker chemical; (b) a water soluble sealing layer, such as...
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5192615 |
Composition comprising encapsulated substrate and thermoplastic polymer overcoating
An encapsulated breaker chemical composition used in a fracturing process in the protection of an oil or gas stimulation operation which comprises: a breaker chemical; and a pinhole free coating of...
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5187011 |
Composition comprising encapsulated substrate with thermoplastic polymer overcoating
An encapsulated breaker chemical composition used in an oil or gas stimulation operation which comprises: a breaker chemical; and a pinhole free coating of an ionically and covalently crosslinked...
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5176734 |
Granular fertilizer with a decomposable coating and process for producing the same
A granular fertilizer with a coating which is decomposable by soil microorganisms, preferably a coating which is decomposed and degraded both on the surface layer of the soil and in the soil, and a...
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5152821 |
Addition of supplemental macro & micro nutrients to granular phosphatic fertilizers
A granular fertilizer is prepared by coating particles of a base fertilizer, selected from orthophosphates of calcium, ammonium and potassium and mixtures thereof, with: (a) a first layer...
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5133797 |
Coated granular fertilizer composition and its production
A coated granular fertilizer composition comprising fertilizer granules, of which each particle being coated with a copolymer comprising units of vinyl chloride and units of ethylene in a weight...
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5127186 |
Encapsulated earthworm cocoons
Gel capsules having a size approximately equal to that of the seed being planted and which contain: (a) an earthworm cocoon having one or more viable eggs; and (b) a material to provide a density...
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5120345 |
Process for producing fertilizer granules
A process for producing fertilizer granules containing urea and ammonium sulphate by granulation in a fluidized bed of particles is described. Ammonium sulphate particles are introduced into a...
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5102441 |
Method of making a langbeinite slurry as a binder for MgO-containing fertilizers and fertilizers therefrom
A process of making a granulated MgO-containing potassium salt fertilizer containing potassium sulfate, and having a high abrasion resistance and high compression resistance, includes preparing a...
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5019148 |
Homogeneous mineral granules by acid-base reaction
A stepwise method of preparing homogeneous mineral granules for agriculture by coreaction of commodity acids and bases which have properties to chemically form a transient fluid adhesive which will...
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5006147 |
Biodegradable barrier films of ionomer polymer
An encapsulated water soluble fertilizer which comprises a polymeric film of about 2 to about 100 micrometers coated on a surface of said fertilizer, said polymeric film comprising a sulfonated...
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4988377 |
Coatings with sulfonated polymers
A composite comprising a substrate and an elastomeric coating adhered to at least one surface of said substrate, said elastomeric coating having a thickness of about 1 to about 100 micrometers,...
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4842790 |
Method and apparatus for producing high-strength grannular particulates from low-strength prills
The present invention teaches a technique and provides for apparatus eminently useful for producing closely sized, high-strength granular particulates from low-strength prills such as, for example,...
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4746513 |
Microcapsules and method for their production
Dump release microcapsules are formed of a water-reswellable gel having dispersed therein a sorbtive filler material having a median particle size of not more than 1 micron, such as fumed or...
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4743448 |
Organic carrier with integrated active substances
The present invention relates to a method for applying and using plant protection agents, preferably in agriculture and horticulture, in the form of sheets, webs and fabrics of organic material...
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4690834 |
Process for coating solid particles
The present invention relates to a process for coating solid particles using a material being highly viscous or solid at room temperature, whereby a melt of a material being highly viscous or solid...
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4686115 |
Process for granulating chemical products and apparatus therefor
Process for granulating chemical products, according to which process, recycled granules are conveyed to a rotary drum through an end thereof and are lifted by blades protruding from the drum inner...
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4571254 |
Method for producing fertilizer from tree ash and softwood bark or from other tree waste
The present invention relates to a method for producing fertilizer from softwood bark and/or tree waste in which the softwood bark is decomposed at a temperature of 70° . . . 140° C., when the...
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