"Transmission of documents via telephone wires is possible in principle, but the apparatus required is so expensive that it will never become a practical proposition."
Dennis Gabor, British physicist
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8152891 | Method for the combined production of a sulfur oxide containing product and a fertilizer The invention provides a method for the combined production of (I) a sulfur oxide containing product and (II) a fertilizer selected from a group consisting of ammonium nitrate, ammonium phosphates and a combination thereof, through an indirect neutralization of ammo... | 04/10/2012 |
| 7972408 | Process and apparatus for further processing of sewage sludge and other materials to reduce pathogens and toxins An apparatus and a method for treating a composition containing toxic materials or biosolids, wherein the apparatus has a hydraulically sealable top that can be opened to allow loading of the composition or closed to seal the apparatus. The apparatus also includes a... | 07/05/2011 |
| 7789932 | Dispersible potash pellets A water-dispersible particle is provided that includes a sulfate or phosphate of potash in an amount ranging from 5% to 99.9% by weight of the total dry weight of the particle. A binder component is present in an amount from 1% to 95% by weight. The sulfate or phosp... | 09/07/2010 |
| 7470304 | Process for the manufacture of sulphur-containing ammonium phosphate fertilizers The invention relates to a process for the manufacture of sulphur-containing fertilizers comprising the steps of: (a) mixing ammonia, phosphoric acid and water in a reactor unit to obtain an ammonium phosphate mixture; (b) introducing the mixture obtained in step (a... | 12/30/2008 |
| 7273555 | Process for continuous ion exchange A process for continuous countercurrent ion exchange comprises piping a contaminated feed stream into a closed loop ion exchange contactor. The contactor is an ion exchange bed that has three or more reaction segments. The segments are comprised of at least an adsor... | 09/25/2007 |
| 7261942 | Photocatalytically-active, self-cleaning aqueous coating compositions and methods Method for producing novel photochemically-active metal oxide-containing aqueous compositions such as TiO2 compositions coated or sprayed and dried under ambient conditions to form novel photochemically-active, colorless coatings having strong wetability ... | 08/28/2007 |
| 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 |
| 7169204 | Sewage sludge recycling with a pipe cross-reactor An improved 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. The process more particularly involves mixing the w... | 01/30/2007 |
| 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 |
| 6953537 | Corrosion inhibitor A corrosion inhibitor for use with Urea Ammonium Nitrate solutions is disclosed, comprising a blend of molybdate and one or more of the inorganic phosphates (including phosphates, polyphosphates, and pyrophosphates) and organic phosphates or phosphonates. Inorganic ... | 10/11/2005 |
| 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 |
| 6915664 | Method of manufacturing a fluorine-doped silica powder The invention relates to a method of doping silica with fluorine. The method described comprises mixing a powder of silica granules with a solid fluorine compound, thermally decomposing the solid fluorine compound under an inert atmosphere, and densifying the granul... | 07/12/2005 |
| 6852142 | Organic-based fertilizer The subject invention provides methods for producing homogenous organic base fertilizer for plant nutrition and soil fertility. Also provided by the subject invention are value added fertilizer products for plant nutrition and soil fertility and concentrated liquid ... | 02/08/2005 |
| 6826866 | Fully compatible water-soluble fertilizer and use The use of dilute aqueous water-soluble fertilizer compositions are disclosed to enhance the rewetting of water, uniformity and nutrient retention characteristics of initially untreated plant culture media and soil. The aqueous fertilizer compositions contain... | 12/07/2004 |
| 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 |
| 6821311 | Method for treating fertilizer process solutions A method for manufacturing a solid product containing nitrogen and phosphor, particular a solid ammonium phosphate and/or urea ammonium phosphate product, in which method the solution containing urea and phosphoric acid is heated. Water then evaporates from the solu... | 11/23/2004 |
| 6776816 | Methods for accelerating production of magnesium ammonium phosphate while attaining higher yields thereof and a slow-release fertilizer produced therefrom Magnesium ammonium phosphate (struvite), suitable for use as a slow-release fertilizer for example, is produced by mixing animal manure with a pre-specified amount of a magnesium-rich compound. A pre-specified amount of an enzyme, such as an urease or uricase, is ad... | 08/17/2004 |
| 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 |
| 6645267 | Plant growing media A process for converting composted organic materials produced by optimized composting procedures into plant growing media for agronomic and other uses. The raw organic matter is first processed into compost by optimized standard methods. If desired, the r... | 11/11/2003 |
| 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 |
| 6488734 | Nitrification inhibitors, and the use of polyacids which contain a nitrification inhibitor for the treatment of inorganic fertilizers The use of inorganic or organic polyacids for the treatment of inorganic fertilizers, in particular the use of the polyacids as a mixture with at least one nitrification inhibitor for the treatment of inorganic fertilizers; the use of selected pyrazole de... | 12/03/2002 |
| 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 |
| 6460290 | Fully compatible surfactant-impregnated water-soluble fertilizer; concentrate; and use Solid surfactant-impregnated, water-soluble fertilizer compositions are disclosed together with aqueous concentrates made therefrom. The use of dilute aqueous compositions made from said concentrates to enhance the rewetting of water uniformity and nutrie... | 10/08/2002 |
| 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 |
| 6423109 | Free flowing fertilizer composition with enhanced deposition/anti drift characteristics A free-flowing fertilizer comprising: i) from 25 to 99.5% by weight of a powdered water soluble nitrogen containing fertilizer. ii) from 0.05 to 1.5% by weight of a polyacrylamide liquid emulsion/dispersion. iii) from 0.1 to 3.0% by weight of a polyacrylamide ... | 07/23/2002 |
| 6413291 | 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 disc... | 07/02/2002 |
| 6365120 | Method for hardening granular inorganic salt compounds Solid inorganic particulate salts having increased hardness are produced by incorporating a novel additive composition comprised of ammonium sulfate and a naphthalene sulfonate compound.... | 04/02/2002 |
| 6364926 | Concentrated liquid adjuvant and fertilizer A concentrated liquid adjuvant and fertilizer composition containing a nitrogen source, an ampholytic surfactant, a drift control agent/deposition aid, and a carrier is disclosed. The concentrated composition is phase stable, and provides a nitrogen sourc... | 04/02/2002 |
| 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 |
| 6344066 | Process for the preparation of fertilizers and sulfur compounds A method for the combined production of (I) a fertilizer selected from a group consisting of ammonium nitrate, ammonium phosphates or a combination thereof through an indirect neutralization of ammonia with an acid selected form a group consisting of nitr... | 02/05/2002 |
| 6331198 | Composition useful as nitrification inhibiting additive for ammonia producing fertilizers The invention provides a synergistic composition useful as a nitrification inhibiting additive for ammonium producing fertilizers which comprises: (a) benzotriazole in the range of 2.5 to 50% (by wt % of the ammonium fertilizer), (b) metal chelating agent (coo... | 12/18/2001 |
| 6325836 | Soil conditioning agglomerates containing calcium Mechanically strong, water-disintegrable agglomerates for use as a soil conditioner produced from cement kiln dust and other particulate calcium sources containing CaO or Ca(OH)2 and other calcium-containing compounds having the potential to be... | 12/04/2001 |
| 6322606 | Coated granular fertilizer and method for producing same The invention relates to a coated granular fertilizer having a film covering fertilizer granules. This film comprises a polyurethane resin prepared by a method comprising the steps of (a) reacting an aromatic polyisocyanate with a first polyol component (... | 11/27/2001 |
| 6312492 | Beneficiation of animal manure A process for treating animal manure, particularly poultry feces, with concentrated sulfuric acid (about 93 to 95% H2 SO4). The product of the process can be used for treating agricultural soils.... | 11/06/2001 |
| 6299663 | Granulation method and apparatus therefor Granulated particles by making use an initial feedstock having particle size of -150 mesh and 90% or greater particle size of 200 mesh. The feedstock may be contacted in a pan granulator which includes a minor amount of nucleating material of about -35 me... | 10/09/2001 |
| 6280494 | Method for producing fertilizer grade DAP having an increased nitrogen concentration in a spray column A process of forming a mixture of diammonium phosphate and triammonium phosphate by the reaction of phosphoric acid with gaseous ammonia in a spray column. In the process, the reaction occurs under pressure. With the appropriate selection of the ammonia p... | 08/28/2001 |
| 6274105 | Process for producing high-purity potassium salts The present invention relates to a new selective process for producing high-purity potassium nitrate or potassium phosphate. The process uses a liquid agricultural or fermentation by-product, such as molasses, vinasse or potato thick juice as its potassiu... | 08/14/2001 |
| 6241796 | Method for producing fertilizer grade DAP having an increased nitrogen concentration from recycle A process for the preparation of granular fertilizer grade DAP (a product composed of ammonium phosphates, principally diammonium phosphate, resulting from the ammoniation of phosphoric acid, as defined in Official Publication No. 52 of the Association of... | 06/05/2001 |
| 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 |