| Patents for C05D 1 - Fertilisers containing potassium (1,475) |
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| 04/02/1998 | WO1998013308A1 Process for the treatment and decontamination of acid waters which contain dissolved metals and their conversion into fertilizers (pidra process) |
| 02/11/1998 | EP0506885B1 Metallic peroxides with phosphates as supplements for plants |
| 02/11/1998 | CN1037338C Method for producing compound fertilizer |
| 01/21/1998 | CN1037086C Process for preparing potassium dihydrogen phosphate |
| 12/24/1997 | CN1168350A Production process of agricultural potassium sulfate |
| 09/17/1997 | EP0795526A2 Fertiliser |
| 09/10/1997 | EP0794246A1 Process for recovering valuable compounds from vinasse produced during fermentation |
| 08/14/1997 | WO1997029061A1 Process for production of fertilizer granules containing ammonium nitrate, potassium and/or magnesium and a fertilizer product |
| 08/12/1997 | US5656673 Applying potassium thiosulfate solution to the surface of soil which is injected with fumigant chloropicrin or 1,3-dichloropropene |
| 05/07/1997 | DE19609941C1 Fertiliser useful as soil improver, e.g. as peat substitute |
| 05/07/1997 | CN1149040A Production of chlorideless potassic fertilizer |
| 04/29/1997 | US5624649 Process for reduction of sulfur dioxide emission from combustion gases combined with production of potassium sulfate |
| 04/09/1997 | CN1146982A Process for producing potassium sulfate and its by-product using potassium ore |
| 04/02/1997 | EP0431091B1 Process for binding dust in fertilizer granules |
| 03/25/1997 | US5614104 Process and apparatus for the continuous determination of the sylvine saturation of hot solutions for monitoring and controlling the hot solubilizing of a crude potash salt |
| 02/18/1997 | US5603744 Pulverizing mineral mixture containing insoluble potassium, magnesium, phosphate and silicate, grinding plant and animal waste, micronizing while mixing with minerals, microbially fermenting in presence of pulverized calcium compound, clay |
| 01/22/1997 | EP0663891A4 High water solubility potassium sulfate and method of producing same. |
| 12/25/1996 | CN1138567A Wetting decomposition process of potash feldspar ore |
| 11/13/1996 | CN1135469A Organic potassium fertilizer |
| 10/30/1996 | CN1134407A Composition for fertilizer |
| 10/30/1996 | CN1033157C Granular potassium sulfate and process for producing the same |
| 10/16/1996 | CN1133274A Method of extracting potassium from potash feldspar |
| 10/02/1996 | CN1032914C Prodn. method of granular compound fertilizer by directly using phosphorus ore powder as source |
| 09/26/1996 | WO1996029287A1 Process for the production of granulated potassium chloride |
| 09/11/1996 | CN1130610A Long-acting granular potash fertilizer |
| 08/14/1996 | CN1032531C Method for prodn. of fertilizer containing potassium and calcium |
| 08/07/1996 | CN1128247A Continuous production method of potassium sulphate type ternary granulated complex fertilizer by using potassium chloride |
| 07/16/1996 | CA2074450C Potassium fertilizer from aluminum reclamation by-products |
| 06/05/1996 | DE4442563A1 Treating by-pass dust produced in mfr. of cement |
| 04/10/1996 | CN1120033A A manganese fertilizer |
| 11/29/1995 | EP0684219A1 Manganese fertilizer |
| 11/29/1995 | CN1112535A Technology for producing potassium sulfate by gas-liquid reaction method |
| 11/07/1995 | US5464805 Method of controlling mildew in cultivated plants |
| 09/12/1995 | CA2056649C Fertilizers having a high hardness and storage stability |
| 08/30/1995 | EP0608287B1 Process for establishing optimum soil conditions by naturally forming tilth |
| 08/30/1995 | CN1107452A Flyash-Si-K fertilizer and its producing process |
| 08/29/1995 | US5446179 Neutralization alkali metal Edta; salt forming with metal compound |
| 07/26/1995 | EP0663891A1 High water solubility potassium sulfate and method of producing same |
| 07/11/1995 | US5431708 Process for preventing a formation of dust during the loading and shipping of sulfate fertilizer granulates |
| 06/07/1995 | CN1103380A Process for preparing potassium dihydrogen phosphate by intermediate-temp. metathesis oxidation precipitation |
| 05/31/1995 | CN1102946A Diseases curing and output increasing agent (Zhibiling) and preparation for seasame etc. crops |
| 05/18/1995 | WO1995012975A1 Method of controlling mildew in cultivated plants |
| 04/19/1995 | EP0648775A1 Process for the preparation of micronutrient blends |
| 03/07/1995 | US5395419 Treating with composition comprising metal peroxide intercalated with a source of simple phosphate ion |
| 02/08/1995 | CN1098398A Method for producing potassium fertilizer from potash feldspar |
| 02/01/1995 | CN1098079A Method for producing mixed fertilizer of potassium ammonium sulfate |
| 01/24/1995 | US5383952 Process for binding dust in fertilizer granules |
| 11/22/1994 | US5366534 Granular potassium sulfate preparation and process for production thereof |
| 11/16/1994 | CN1095055A Process for producing potassium sulfate and ammonium chloride by ardealite conversion method |
| 10/06/1994 | DE4304342C1 Process for the preparation of a sewage-sludge-based fertiliser |
| 10/05/1994 | CN1093076A Synergist for raising continuous-cropped soybean yield |
| 08/03/1994 | EP0608287A1 Process for establishing optimum soil conditions by naturally forming tilth. |
| 05/11/1994 | EP0595902A1 Fertiliser |
| 05/11/1994 | CN1086578A Production of potassium from brine out of earth surface or underground through artificial vaporing pump |
| 04/28/1994 | WO1994008901A1 High water solubility potassium sulfate and method of producing same |
| 04/06/1994 | CN1084842A Method for producing potassium calcium fertilizer |
| 04/05/1994 | US5300136 Potassium fertilizer from aluminum reclamation by-products |
| 03/29/1994 | US5298050 Fertilizer |
| 02/23/1994 | CN1082524A Method for producing multicomponent long effect compound fertilizer using k extracted from sea water with kieselguhr |
| 02/10/1994 | DE4232567C1 Granular sulphate fertiliser treatment to prevent dust formation during bulk transformation - comprises spraying with conc. urea soln. |
| 12/23/1993 | DE4243376C1 Candles with hardened coating for use as night-lights, etc. - are dipped in mixt. based on equal parts of water-glass soln. and mineral powder or lime soln. |
| 11/23/1993 | US5264018 Use of metallic peroxides in biormediation |
| 09/22/1993 | CN1076435A Producing soft leonite and potassium sulfate by saline method |
| 06/02/1993 | CN1021042C Process for producing high effective silica fertilizer |
| 05/25/1993 | CA1318146C Method and mixture for controlling the growth and preventing growth disturbances of plants as well as a method for producing the said mixture |
| 04/29/1993 | WO1993008143A1 Process for establishing optimum soil conditions by naturally forming tilth |
| 04/29/1993 | CA2121244A1 Process for establishing optimum soil conditions by naturally forming tilth |
| 04/15/1993 | DE4133984A1 Verfahren zum biologischen aufschluss von mineralien A method for biological revealing of minerals |
| 04/08/1993 | DE4132620A1 Rapid acting fertiliser prodn. - from potassium chloride contg. fertiliser, calcium sulphate hydrate, calcium cpd. and opt. magnesium cpd. |
| 02/18/1993 | WO1993000311A3 Therapeutic and preventative treatment of anaerobic plant and soil conditions |
| 02/17/1993 | EP0527644A1 Potassium fertilizer from aluminum reclamation by-products |
| 02/04/1993 | WO1993002023A1 Fertiliser |
| 01/20/1993 | CN1068098A Potassium sulphate prodn. directly from hardly soluble potassium ore |
| 01/07/1993 | WO1993000311A2 Therapeutic and preventative treatment of anaerobic plant and soil conditions |
| 12/09/1992 | EP0506885A4 Metallic peroxides with enzyme active metals as supplements for plants |
| 12/02/1992 | CN1066645A Potash and nitrogenous fertilizer mfg. process from illite |
| 11/04/1992 | CN1018915B Process for preparing chlorine-free high-k compound fertilizer |
| 11/04/1992 | CN1018914B Preparation method of chlorine-free high-potash complex fertilizer |
| 10/14/1992 | CN1018627B Granular potassium sulfate and process for producing same |
| 10/07/1992 | EP0506885A1 Metallic peroxides with phosphates as supplements for plants |
| 09/16/1992 | CN1064459A Method for comprehensive utilization of sodium sulfate containing chromium |
| 09/09/1992 | CN1064264A Production and use of efficient composite potassium fertilizer |
| 09/09/1992 | CN1064262A Process for producing potassium fertilizer from potash feldspar |
| 08/19/1992 | CN1063674A Granular compound fertilizer and tech. made by part acidic phosphorus mine one step method |
| 07/07/1992 | USH1070 Granulation of potash materials |
| 06/03/1992 | EP0488199A1 Process for granulating potassium salts |
| 05/28/1992 | CA2056240A1 Process for granulating potassium salts |
| 05/27/1992 | CN1016774B Dry process for neutralizing potassium sulfate produced from potassium chloride and sulfuric acid |
| 05/20/1992 | EP0485565A1 Silicates |
| 12/12/1991 | WO1991018834A1 Silicates |
| 11/27/1991 | CN1056484A Process for preparing chlorine-free high-k compound fertilizer |
| 11/21/1991 | EP0277162B1 A method and mixture for controlling the growth and preventing growth disturbances of plants |
| 09/25/1991 | CN1054759A Manufacturing potassium fertilizer from pisolite and its comprehensive utilization process |
| 09/25/1991 | CN1014052B Preparation of potassium phosphate from phosphorus ore and potassic rock |
| 09/25/1991 | CN1014051B Producing potassium phosphate from ores containing potassium and phosphate |
| 09/18/1991 | CN1013973B Process for preparation of potassium salts from pulping of lignocellulosic materials |
| 08/28/1991 | CN1054069A Improvement method for synthesis of phosphoric acid diester |
| 07/11/1991 | WO1991009821A1 Metallic peroxides with enzyme active metals as supplements for plants |
| 06/04/1991 | CA1284590C Plant food and method for its use |
| 05/08/1991 | CN1012579B Comprehensive utilization of cr dregs by detoxicated melting cr dregs |