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| Number | Title | Issue Date |
| 7014828 | Process for stabilizing ammonium nitrate The invention relates to a method for producing thermally and mechanically stable ammonium nitrate by dissolving in nitric acid 1–3% by weight of reticulated metal silicate, before treatment with ammonia. The ammonium nitrate granules produced by this method swell... | 03/21/2006 |
| 6949236 | Aminosulfonate product-treated nitrogen-containing salt particles Addition of an aminosulfonate product to an inorganic nitrogen-containing salt provides a composition of matter with improved properties. In particular, 2-acrylamido-2-methylpropanesulfonic acid and its derivatives can be added to ammonium nitrate to provide improve... | 09/27/2005 |
| 6800263 | Non-caking sodium chloride crystals, a process to make them, and their use in an electrolysis process The invention relates to specific non-caking salt (NaCl) compositions with a pH of 1-10 comprising at least one metal (iron, titanium and/or chromium) complex of a hydroxypolycarboxylic acid, a process to make such compositions, as well as the use of such compositio... | 10/05/2004 |
| 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 |
| 5698005 | Composition which is simultaneously anticlumping and water-repellant for salts, simple and complex fertilizers and process for the use thereof The invention relates to a composition, which is simultaneously anticlumping and water-repellent, for salts, simple and complex fertilizers. This composition contains: on the one hand, an anticlumping product chosen from fatty amines, amine salts of phosp... | 12/16/1997 |
| 5630992 | Anti-caking agents for ammonium thiocyanate A composition comprising ammonium thiocyanate and an amount of an anti-caking agent selected from amines and amine salts, which is effective to reduce the caking of the ammonium thiocyanate, is disclosed. Also disclosed is a method for reducing the caking... | 05/20/1997 |
| 5468460 | Stabilization of calcium-based slurries for sox reduction by in-furnace injection More reliable removal of sulfur oxides (SOx) from combustion effluents by in furnace injection is achieved by stabilizing slurries of calcium carbonate (limestone), calcium oxide (lime) and calcium hydroxide (hydrated lime) for extended periods... | 11/21/1995 |
| 5416141 | Cationic modified layer compounds Halogen-containing synthetic resins can be stabilized with calcium and/or zinc soaps. Co-stabilizers are necessary for enhancing their stabilizing effect. The invention relates to special cationic layered hydrotalcite compounds having a specific BET surfa... | 05/16/1995 |
| 5277886 | Method for reducing the risk in transporting and storing liquid ammonia The addition of a nucleating or coalescing agent (e.g., urea) to liquid ammonia reduces the size and persistence of a deadly, fog-like cloud of ammonia droplets that tend to form when liquid ammonia is accidentally released to the atmosphere. In addition,... | 01/11/1994 |
| 5270370 | Red phosphorus Evolution of phosphine from red phosphorus is reduced by means of acyclic, aliphatic compounds having at least one carbon-to-carbon double bond, in the alpha-position relative to an electron-withdrawing group. A preferred example of such a compound is tra... | 12/14/1993 |
| 5258133 | Sodium percarbonate stabilized with a coating of an alkalimetal citrate A stable coated percarbonate bleach product is described wherein sodium percarbonate particles are coated with at least 1% by weight of an alkalimetal citrate wherein the product is formed by spraying a solution of the alkalimetal citrate onto the sodium ... | 11/02/1993 |
| 5232678 | Precipitated calcium carbonate The calcium carbonate is prepared by: (a) slaking quicklime in an aqueous medium; (b) carbonating and neutralizing the suspension of slaked lime formed in step (a) using a gas comprising carbon dioxide; and (c) separating the precipitated calcium carbonate formed i... | 08/03/1993 |
| 5230822 | Wax-encapsulated particles Solid core particles encapsulated in a single coat of paraffin wax, the wax having a melting point of about 40° to about 50° C. and a solids content of from 100 to about 35% at 40° C. and from 0 to about 15% at 50° C. The paraffin coat may comprise 20... | 07/27/1993 |
| 5200236 | Method for wax encapsulating particles Solid core particles encapsulated in a single coat of paraffin wax, the wax having a melting point of about 40° to about 50° C. and a solids content of from 100 to about 35% at 40° C. and from 0 to about 15% at 50° C. The paraffin coat may comprise 20... | 04/06/1993 |
| 5183648 | Process for preparing magnesia having reduced hydration tendency, hydration resistant magnesia, dry mixture for preparing magnesia based castables and magnesia based castable The invention concerns a process for preparing magnesia having reduced hydration tendency, wherein magnesia particles are treated with a solution of an inorganic acid, an organic acid an/or salts thereof, as well as hydration resistant magnesia thus obtai... | 02/02/1993 |
| 4923689 | Aluminum nitride power having improved water-resistance Disclosed herein is an aluminum nitride powder having the improved water-resistance, which is obtained by treating the aluminum nitride powder with an inorganic or organic phosphoric acid compound followed by heating at about 150° to 800° C. when the or... | 05/08/1990 |
| 4853144 | Moisturized compositions of hydrate-forming phosphates and methods for preparation thereof A composition of matter in particulate, crystalline form. The composition comprises a hydrate-forming phosphate selected from the group consisting of sodium tripolyphosphate, sodium pyrophosphate and trisodium phosphate, between about 0.1% by weight and a... | 08/01/1989 |
| 4849198 | Method of reducing the tendency of particulate active oxygen compounds to cake Particulate, active-oxygen compounds, especially sodium percarbonate, tend to cake during storage, which makes it more difficult to handle them. The invention reduces this caking tendency while the active-oxygen content remains essentially unchanged. The ... | 07/18/1989 |
| 4834957 | Concentrated suspension of aqueous magnesium oxide An aqueous magnesium oxide suspension is disclosed which comprises from about 15 to about 50 percent by weight MgO, based on the combined weight of water, MgO, suspension aid, and anti-hydration agent. Suspension aids such as Xzanthan gum and guar gum are... | 05/30/1989 |
| 4804484 | Antifloc additives for sodium bromide compositions Solid sodium bromide and aqueous sodium bromide solutions incorporate sodium tartrate and one or more amides of nitrolotriacetic acid in order to inhibit floc formation in aqueous sodium bromide solutions in the pH range 6-12 and in order to insure that t... | 02/14/1989 |
| 4803058 | Moisturized compositions of hydrate-forming phosphates and methods for preparation thereof A composition of matter in particulate, crystalline form. The composition comprises a hydrate-forming phosphate selected from the group consisting of sodium tripolyphosphate, sodium pyrophosphate and trisodium phosphate, between about 0.1% by weight and a... | 02/07/1989 |
| 4717555 | Anticaking and antidusting composition for ammonium nitrate An aqueous liquid anticaking and antidusting composition is disclosed which comprises from 20 to 30 parts of a sodium naphthalene sulfonate, from 17 to 28 parts of an ammonium naphthalene sulfonate, and from 30 to 80 parts of water. In preferred practice,... | 01/05/1988 |
| 4652435 | Stabilized ferrous compound composition A composition comprising a ferrous compound and as a stabilizer, at least one compound selected from the group consisting of (A) erythorbic acid compounds, (B) hydroxycarboxylic acid compounds and (c) oxocarboxylic acid compounds.... | 03/24/1987 |
| 4569834 | Carbon black pellets having enhanced dispersion properties A pelletized carbon black having enhanced dispersion properties is prepared by replacing conventional pelletizing binders with a binder material which is thermally stable at the pellet drying temperature, thermally liquefiable at the mixing temperature of... | 02/11/1986 |
| 4492679 | Cyanuric chloride having improved shelf life A cyanuric chloride of improved shelf life is described, which contains 0.1 to 10% of dicyandiamide by weight. The cyanuric chloride of the invention shows both a decidedly lesser tendency to cake up and an improved resistance to hydrolysis in the presenc... | 01/08/1985 |
| 4451383 | Recyclable hot pad A liquid melt becomes converted to crystalline form at a particular temperature either spontaneously or when artificially nucleated. The liquid releases heat at crystallization. If the liquid is in a supercooled state when it begins to crystallize, its te... | 05/29/1984 |
| 4402862 | Stabilization of hygroscopic salts The invention relates to the stabilization against water uptake of hygroscopic salts useful as catalysts by formation of anhydrous adducts with particulate support materials in order to facilitate manipulation and storage. The adducts comprise a particula... | 09/06/1983 |
| 4360571 | X-Ray intensifying screen Improved performance of rare earth oxyhalide phosphors in x-ray image intensifying screens may be realized by admixing a small but effective amount of certain fatty acids and fatty acid derivative with the phosphor prior to the preparation of the screen. ... | 11/23/1982 |
| 4356020 | Fertilizer compositions containing alkylene oxide adduct anticaking agents This invention relates to fertilizer compositions containing alkylene oxide anticaking agents. More particularly, this invention relates to a method of decreasing the caking during storage in a hygroscopic salt or fertilizer which normally cakes on storag... | 10/26/1982 |
| 4331556 | Heat storage material A liquid melt becomes converted to crystalline form at a particular temperature either spontaneously or when artificially nucleated. The liquid releases heat at crystallization. If the liquid is in a supercooled state when it begins to crystallize, its te... | 05/25/1982 |
| 4321243 | Method of producing stabilized aqueous dispersions of silica fume Silica fume, the by-product from the manufacture of silicon and ferrosilicon alloys, is dispersed in water and the aqueous dispersion is stabilized to retain its fluidity and redispersibility by treatment with an acid or with a chelating agent.... | 03/23/1982 |
| 4321152 | Grinding of titaniferous ores to enhance recovery of titanium dioxide Significant enhancement of titanium dioxide recovery from a titaniferous ore is achieved by improving the efficiency of the comminution of the ore with the use of polyols of the formula: wherein R is alkyl (C1 -C4), or hydroxyalkyl (C | 03/23/1982 |
| 4298585 | Process of making sodium perborate In a process of making sodium perborate, crystallization is performed in the presence of an organic polymer with a high potential content of free carboxylic groups derived from maleic anhydride, selected from the copolymers of maleic anhydride with an org... | 11/03/1981 |
| 4265854 | Process inhibiting the coalescence of flowable phosphorus pentachloride in closed containers A process inhibiting the coalescence of flowable phosphorus pentachloride in a closed container. To this end, the invention provides for a readily volatizable organic liquid boiling within the range about 20° to 200° C. and being inert with respect to p... | 05/05/1981 |
| 4252735 | Stable aqueous alkali metal aluminate solutions The specification discloses a method of stabilizing aqueous alkali metal aluminate solutions against precipitation of solids and/or the development of a cloudy appearance over a period of standing. The method comprises dissolving hydrated alumina and an a... | 02/24/1981 |
| 4234552 | Stabilization of sulphur Sulphur is stabilized in a form wholly or partially insoluble in carbon disulphide by incorporating therewith a dixanthogen of the formula ##STR1## wherein R and R1 are each independently an alkyl, cycloalkyl, aralkyl or aryl group and may... | 11/18/1980 |
| 4219590 | Method for improving calcium carbonate A method for improving calcium carbonate by causing calcium carbonate particles to undergo contact reaction with an acid gas capable of reacting with calcium carbonate for finely uniformizing the calcium carbonate particle size and, at the same time, coat... | 08/26/1980 |
| 4215097 | Process for the manufacture of sodium perborate monohydrate and product thereof Abrasion resistant granules of sodium perborate monohydrate are made by introducing an aqueous solution containing hydrogen peroxide and an aqueous solution containing sodium metaborate simultaneously into a fluidized bed dryer which contains seeds of a s... | 07/29/1980 |
| 4208388 | Flow aid The flowability of particulate lime is enhanced by treatment with effective amounts of selected fluid polymethylhydrogensiloxanes, polydimethylsiloxanes, and/or mixtures thereof.... | 06/17/1980 |
| 4201756 | Granular calcium hypochlorite coated with an inorganic salt A coated, rounded, solid calcium hypochlorite granule is described which is comprised of granular calcium hypochlorite encapsulated with a plurality of layers of an inorganic salt other than calcium hypochlorite. The inorganic salt is admixed with suffici... | 05/06/1980 |
