Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 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 compost mix for a wide range of possible applications. An ... | 06/24/2003 |
| 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 |
| 6273929 | Extrusion process The present invention provides an improved process for making extruded granules containing an agriculturally active ingredient.... | 08/14/2001 |
| 6254654 | Soil improver composition and plant growth enhancer A soil improver composition produced by digesting a mixture comprising leguminous plant material, igneous rock powder of particle size less than 350 microns, a biodegradable surfactant and water with composting microbes to produce said soil improver compo... | 07/03/2001 |
| 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 |
| 5720794 | Ammonium nitrate particulate fertilizer and method for producing the same An improved particulate, ammonium nitrate is prepared with 2.0-6.0 percent by weight potassium sulfate. The potassium sulfate suppresses crystalline phase IV.revreaction.III transitions in the ammonium nitrate particles while undergoing temperature variat... | 02/24/1998 |
| 5688742 | Water based formation of a beaded product A method for preparing a dust-free beaded product from a low melting material is disclosed. The method is particularly applicable to manufacturing processes in which the last step in preparation of a product is a water wash step.... | 11/18/1997 |
| 5653781 | Process for the production of urea granules A process for the production of urea granules from a melt or solution of urea by spraying the urea melt or solution, which also contains as granulation additive formaldehyde, methylolureum, urea-formaldehyde precondensates, or hexamethylenetetramine, in t... | 08/05/1997 |
| 5652196 | Timed release of water-soluble plant nutrients Products for the variable controlled release of water soluble agents are disclosed. The products have a core of water soluble agent and a first and second coating. The first coating has a permeability such that the agent can be released at a controlled ra... | 07/29/1997 |
| 5411568 | Highly available waste based nitrogen fertilizer A new method of preparing granular slow release nitrogen fertilizer, exhibiting substantially complete nitrogen availability as a plant nutrient, from nitrogenous organic wastes, such as animal excretia, by coreacting particulate dry conditioned nitrogeno... | 05/02/1995 |
| 5378259 | Process for granulating ammonium nitrate fertilizer The invention relates to a process for granulating ammonium nitrate fertilizer with a nitrogen content of between 25% and 34% by weight, by forming a mix of NH4 NO3, limestone and/or dolomite, ammonium sulphate and/or ammonium phosph... | 01/03/1995 |
| 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 forming latex. The coating process is conducted with a pluralit... | 05/18/1993 |
| 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 comprising 1 to 5% (by weight of the total composition) of water or... | 10/06/1992 |
| 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 fluidized bed and urea is applied to the particles in the flui... | 06/09/1992 |
| 5118337 | Method for preparing granular fertilizer from manure The invention relates to a method for preparing a granular fertilizer from manure, comprising the steps of: i) acidifying the manure; ii) dehydrating the acidified manure and evaporating the carrier liquid; and iii) forming granules from the fertilizer obtaine... | 06/02/1992 |
| 5112379 | Multicomponent soil supplement A particulate soil supplement comprising, as a discontinous phase, solid particles of a water-soluble plant nutrient dispersed throughout a continous sulfur phase or matrix. Preferably, said particulate soil supplement additionally comprises solid particl... | 05/12/1992 |
| 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 langbeinite slurry binder without an evaporation of a magne... | 04/07/1992 |
| 5102440 | Granular slow release fertilizer composition and process A carrierless granular slow release fertilizer composition is prepared by spraying a urea-formaldehyde resin composition having a U/F molar ratio ranging from 2.4 to 13.3 onto finely divided solid particulate raw materials and cooling the resulting spraye... | 04/07/1992 |
| 5078779 | Binder for the granulation of fertilizers such as ammonium sulfate A binder composition is taught for the granulation of fine particulate fertilizer, which binder comprises an admixture of reactive carbonate, sulfate, silicate strengthener, and water dispersant, said binder being reactive in the presence of an acid activ... | 01/07/1992 |
| 5043007 | Process for the production of fertilizer and the fertilizer produced thereby A method for forming a binder-free granular or semi-granular fertilizer is disclosed, which comprises mixing a seed material and primary and secondary nutrient sources in a blender under heat until a slurry is formed, transferring the slurry to a long dry... | 08/27/1991 |
| 5039328 | Process for producing a granular slow-acting nitrogenous fertilizer A process for producing a granular slow-acting nitrogenous fertilizer, which comprises blending an aqueous methylol urea solution to a urea-isobutyraldehyde condensate powder or a mixture thereof with a urea-formaldehyde condensate powder, and granulating... | 08/13/1991 |
| 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 harden to form a strong granule binding cement. Water may... | 05/28/1991 |
| 4867930 | Priller method A process for producing desired sized product granules characterized by dispensing on a flat moving horizontal bed product particulates from a heat exchange assembly, then mixing the product particulates with seed material by a mixing means for a period o... | 09/19/1989 |
| 4857098 | Sulfur-coated fertilizer granules and process of making same Sulfur coated plant fertilizer granules, each such granule including a core granule of fertilizer having a crystalline component, a bonding layer having a mixture of the fertilizer granule crystalline component and crystalline sulfur, coating the granule,... | 08/15/1989 |
| 4789391 | Controlled release formulation for fertilizers A hydrolyzed lignosulfonate-acrylonitrile graft copolymer matrix providing a slow release solubility to fertilizers. The hydrolysis of the graft copolymer of lignosulfonate and acrylonitrile may be carried out in the presence of an alkali in situ during t... | 12/06/1988 |
| 4758261 | Diammonium phosphate produced with a high-pressure pipe reactor Improved, simple, energy-efficient, and easy-to-operate process for producing granular diammonium phosphate (DAP) fertilizers from anhydrous ammonia, phosphoric acid, sulfuric acid, and water utilizing a rotating drum granulator and a pipe reactor in comb... | 07/19/1988 |
| 4756738 | Controlled release formulation for fertilizers A hydrolyzed lignosulfonate-acrylonitrile graft copolymer matrix providing a slow release solubility to fertilizers. The hydrolysis of the graft copolymer of lignosulfonate and acrylonitrile may be carried out in the presence of an alkali in situ during t... | 07/12/1988 |
| 4701353 | Process for the preparation of granules Preparation of granules by making nuclei grow, in a fluidized bed, by causing a liquid material to solidify thereon. The liquid material is sprayed in the bed upwards, with the aid of a spraying device provided with a central channel through which the liq... | 10/20/1987 |
| 4619843 | Process for the preparation of granules Preparation of granules by making solid nuclei grow in a fluidized bed, by causing a liquid material to solidify thereon, the liquid material being introduced into the bed from the bottom upwards with the aid of a feeding device provided with a central ch... | 10/28/1986 |
| 4619684 | Pressure reactor for producing diammonium phosphate Process for producing diammonium phosphate (DAP) fertilizer from phosphoric and sulfuric acids, anhydrous ammonia, and water in a specially designed reactor operated at high pressures to granulate diammonium phosphate at low recycle ratios and with relati... | 10/28/1986 |
| 4604126 | NP/NPK fertilizer granules comprised of ammonium phosphate Granular fertilizer solids comprising ammonium phosphate, advantageously particulate NP/NPK fertilizers, are prepared by (i) granulating a liquid/dry solids admixture of fertilizer values in a granulation zone, (ii) next transferring said admixture to, an... | 08/05/1986 |
| 4501773 | Granulation process A spouted bed granulation process in which the average particle size of the final product is controlled by employing, as seed particles fed to the granulator, a mixture of particles of at least two different average particle sizes and changing the mixing ... | 02/26/1985 |
| 4449900 | Prilling Prilling apparatus for producing prills of ammonium nitrate or urea in which a diverging shroud extends from each prilling head. Means for supplying ammonia is connected to the shroud. The prills pass through a quiescent zone of ammonia in the shroud and ... | 05/22/1984 |
| 4424072 | Prilling The emission of fumes is suppressed from a prilling tower for producing prills of ammonium nitrate or urea by conducting particles from a spray of a melt of the material countercurrent through a stream of air. The spray of the material, as it leaves the p... | 01/03/1984 |
| 4420319 | Mushroom growth enhancers and method for preparing same The present invention is a process for preparing growth and nutritional enhancement additives for use with mushroom cultivation and products prepared therefrom. The process includes subprocesses for preparing an activator particle containing ingredients w... | 12/13/1983 |
| 4409016 | Process for preparing thermally stable ammonium nitrate-containing granules of high bulk density A process for preparing thermally stable ammonium nitrate-containing granules having high bulk density, high impact resistance, high crushing resistance, and little or no tendency to cake by spraying a liquid composition containing at most 15% by weight w... | 10/11/1983 |
| 4398936 | Process for the preparation of a granular NPK fertilizer and granular NPK fertilizers obtained by this process Storage-stable nitrogen-phosphorous-potassium fertilizer granules and prills are made by adding to a molten or aqueous solution mixture of ammonium nitrate and ammonium phosphate, a particulate potassium salt, typically potassium chloride, in which the pa... | 08/16/1983 |
| 4395273 | Preparation of multi-trace element fertilizers A multi-trace element fertilizer which contains magnesium as a further nutrient and in which the complex-forming trace elements are present in the form of anionic chelates with one or more N-carboxyalkylaminoacids is prepared by a process wherein the N-ca... | 07/26/1983 |
| 4353730 | Granulating process Disclosed is a granulating process which comprises the steps of providing a plurality of spouted bed granulation zones arranged in series and one or more fluidizing zones for cooling and drying purposes each disposed between two adjacent ones of the granu... | 10/12/1982 |
| 4353709 | Granulation process There is disclosed a process of granulation comprising dropping as liquid droplets the melt of a substance solidifiable by cooling or drying through a zone having a sufficient vertical distance to allow solidification of the droplets, forming a fluidized ... | 10/12/1982 |
