| Patents for C05D 1 - Fertilisers containing potassium (1,475) |
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| 09/18/2002 | CN1369467A Fertilizer for promoting blossom of longan tree in irregular season and its preparing process |
| 09/04/2002 | EP1236706A1 Potassium chloride for fertilizer and process for producing the same |
| 09/04/2002 | EP1235743A1 Production of two alkali metal salts by a combined ion exchange and crystallisation process |
| 08/29/2002 | WO2002066402A1 Process for producing slow-release potassium fertilizer and slow-release potassium fertilizers |
| 08/28/2002 | CN1365958A Process for preparing K fertilizer (K salt) from K-enriched rock and lime by hydrothermal method |
| 08/28/2002 | CN1365957A Process for preparing K fertilizer or K salt from K-enriched rock and lime by hydrothermal method |
| 08/28/2002 | CN1089737C Long-acting granular potash fertilizer and its preparing process |
| 08/15/2002 | US20020110512 Process for manufacturing potassium nitrate fertilizer and other metal nitrates |
| 07/11/2002 | DE10065699A1 Granulierung von Mineraldüngern unter Zugabe von Granulierhilfsmitteln Granulation of mineral fertilizers with the addition of granulating |
| 07/03/2002 | EP1219581A2 Granulation of mineral fertilizers by adding a granulating aid |
| 06/20/2002 | US20020076375 Metal carbonates, bicarbonate, and oxides reacted with a fluidized hydrogen halide gas at a velocity that forms a fluidized bed and at a temperature of 250-800 degrees F |
| 06/13/2002 | US20020069983 Pulp is bleached using potassium hydroxide; bleach concentrate is obtained from bleach filtrate, which is combined with ashes obtained from burning of lignin and organic matter recovered from pulp production to obtain fertilizer |
| 05/29/2002 | CN1351686A Process for producing cellulose pulp and fertiliser containing potassium |
| 04/30/2002 | US6379414 Process for producing pressed fertilizer granulates |
| 04/10/2002 | CN1344236A Method and appts. for producing fertilizer from flue gas contg. sulfur oxides |
| 04/02/2002 | US6365122 Process for manufacturing potassium sulfate fertilizer and other metal sulfates |
| 02/28/2002 | WO2002015945A1 Concept for slurry separation and biogas production |
| 02/20/2002 | CN1336323A Method and equipment of preparing potassium sulfate and ammonium potassium chloride with industrial effluent containing ammonium sulfate |
| 01/09/2002 | CN1330612A Method of formulating alkali metal salts |
| 12/19/2001 | CN1326911A Multiple element potash fertilizer and its producing method |
| 11/08/2001 | WO2001083401A1 Carnallite having reduced moisture absorption and method of producing it |
| 10/31/2001 | CN1073974C Glauconite potash fertilizer and productive process thereof |
| 10/03/2001 | CN1072197C Wetting decomposition process of potash feldspar ore |
| 09/27/2001 | WO2001070648A1 Novel agents and dust free compositions, method for obtaining same and use in particular for soil amendment |
| 09/12/2001 | EP1040087A4 Stabilized liquid lime dispersion for sewage treatment |
| 09/04/2001 | US6284709 Mixture of potassium silicate, sodium silicate, potassium carbonate, sodium carbonate, potassium chloride and reducing sugar |
| 08/29/2001 | EP1127035A1 A process for the preparation of compound fertilizer granules |
| 08/16/2001 | EP1123910A2 Method for the preparation of plant nutrient granules |
| 08/08/2001 | EP1121327A1 Method of formulating alkali metal salts |
| 08/08/2001 | CN1307550A Process for preparation of compound fertilizer granules |
| 08/08/2001 | CN1306953A Foliage fertilizer for tobacco |
| 07/19/2001 | WO2001051431A1 Method for producing nitrogenous-potash fertiliser |
| 07/19/2001 | WO2001051430A1 Method for producing nitrogenous-potash fertiliser |
| 07/11/2001 | CN2438717Y Apparatus for producing potassium sulfate and potassium ammonium chloride from industrial waste water containing ammonium sulfate |
| 06/13/2001 | CN1298850A Fertilizer for spray or drip irrigation and its preparing process |
| 06/13/2001 | CN1298848A Process for preparing K fertilizer from non-soluble potassium ore and waste ammonia-soda solution |
| 06/07/2001 | WO2001040112A1 Production of two alkali metal salts by a combined ion exchange and crystallisation process |
| 06/07/2001 | CA2393324A1 Production of two alkali metal salts by a combined ion exchange and crystallisation process |
| 05/30/2001 | EP1103535A2 Fertilizer containing polyphosphate-metal chelates |
| 05/30/2001 | CN1297371A Wet granulation method for generating granules |
| 05/24/2001 | CA2326524A1 Fertilizer with chelate and crops cultivated thereby |
| 05/10/2001 | WO2001032585A1 Potassium chloride for fertilizer and process for producing the same |
| 04/11/2001 | CN1290673A Method for producing bacterial potash fertilizer by microbial solid fermentation to decompose in-soluble potassium ore |
| 04/04/2001 | CN1064033C Organic potassium fertilizer |
| 03/21/2001 | EP1084999A2 Fertilizer with a chelate element |
| 03/20/2001 | US6203722 For treatment of biological solids in sewage |
| 03/17/2001 | CA2318702A1 Fertilizer with a chelate element |
| 03/07/2001 | CN1062844C Process for producing potassium sulfate and its by-product using potash feldspar |
| 02/28/2001 | EP1077761A1 Wet granulation method for generating granules |
| 02/21/2001 | CN1062252C Patash fertilizer producing method by using potassium-rock |
| 01/31/2001 | CN2416956Y Agitator for reactor |
| 01/24/2001 | CN1280967A Process for preparing powdered composite potassium sulfate fertilizer |
| 01/10/2001 | CN1279224A Multi-element K fertilizer |
| 12/21/2000 | WO2000076941A1 Phosphorus and potassium fertilizer for all forms of perennial trees, vines, and annual crops |
| 12/19/2000 | CA2265922C Wet granulation method for generating granules |
| 11/09/2000 | WO2000066516A1 Method and apparatus for producing fertilizer from flue gas containing sulfur oxides |
| 11/02/2000 | EP1048634A2 Process for preparing fertiliser granules by compaction |
| 11/02/2000 | DE19919233A1 Verfahren zur Herstellung von Düngemittelpressgranulaten A process for the preparation of fertilizer granules Press |
| 10/12/2000 | WO2000060160A1 Process for producing cellulose pulp and fertiliser containing potassium |
| 10/04/2000 | EP1040087A1 Stabilized liquid lime dispersion for sewage treatment |
| 09/20/2000 | CN1266829A Conversion process for potassium chloride |
| 08/02/2000 | CN1261601A Process for producing potassium chloride from alkaline slag and potassium feldspar |
| 07/26/2000 | CN1261065A Non-chlorine high-potassium compound organic liquid fertilizer and its preparing process |
| 07/19/2000 | EP0879217B1 Process for production of fertilizer granules containing ammonium nitrate, potassium and magnesium and a fertilizer product |
| 07/12/2000 | CN1259501A Glauconite potassium ore fertilizer |
| 04/20/2000 | WO2000021887A1 Method of formulating alkali metal salts |
| 04/13/2000 | CA2284967A1 Method of formulating alkali earth salts |
| 03/22/2000 | CN1247844A Long-acting granular potash fertilizer |
| 03/14/2000 | US6036881 Stabilized liquid lime dispersion for sewage treatment |
| 02/23/2000 | CN1245156A Potassium sulfate fertilizer containing more trace elements |
| 01/19/2000 | CN1048470C Process for producing agricultural potassium sulfate |
| 01/06/2000 | WO2000000452A1 A process for the preparation of compound fertilizer granules |
| 01/06/2000 | CA2336352A1 A process for the preparation of compound fertilizer granules |
| 10/28/1999 | WO1999054028A1 Wet granulation method for generating granules |
| 10/27/1999 | CN1232859A Water solution composite with potassium compound as main component and its preparation and use |
| 10/13/1999 | CN1231272A Glauconite potash fertilizer and productive process thereof |
| 08/31/1999 | US5944868 Reacting ammonium thiosulfate with ion exchange resin; forming potassium thiosulfate |
| 08/17/1999 | CA2033326C Process for binding dust in fertilizer granules |
| 08/11/1999 | CN1044549C Disease curing and output increasing agent for seasame etc. corps, and prepn. method therefor |
| 08/05/1999 | WO1999038799A1 Production of liquid fertilizers by ion exchange |
| 07/27/1999 | US5928491 Electrolysis of aqueous potassium chloride, calcium chloride and magnesium chloride to remove chlorine from solution; applying electrolyte solution to plants to stimulate growth |
| 07/21/1999 | CN1044222C Method for comprehensive utilization of sodium sulfate containing chromium |
| 07/14/1999 | CN1044111C Potash and nitrogenous fertilizer mfg. process from illite |
| 07/07/1999 | CN1221718A Fertilizer additive for shortening maize bald top |
| 06/23/1999 | CN1220249A Method for preparing potassium sulfate by double conversion of ammonium sulfate |
| 05/26/1999 | CN1217306A Floatation separating technology for potassium feldspar wet decomposing materials |
| 05/18/1999 | CA2144219C Method and device for continuous determination of the sylvite saturation of hot solutions for monitoring and control of the hot dissolving of a crude potassium salt |
| 05/06/1999 | WO1999021804A1 Stabilized liquid lime dispersion for sewage treatment |
| 04/14/1999 | CN1213646A One-step process of preparing lemery salt and one-step process of preparing azophoska |
| 02/03/1999 | CN1206704A Potassium fertilizer and multi-element potassium fertilizer preparation process |
| 12/16/1998 | EP0884092A1 Process for removing sulfur dioxide from an exhaust gas |
| 12/13/1998 | CA2240765A1 Process for removing sulfur dioxide from flue gasses |
| 11/25/1998 | EP0879217A1 Process for production of fertilizer granules containing ammonium nitrate, potassium and/or magnesium and a fertilizer product |
| 10/29/1998 | DE19717425A1 Homeopathic activation of soil |
| 10/29/1998 | DE19717219A1 Fertiliser useful for soil conditioning |
| 10/28/1998 | CN1197039A One-step process for prodn. of farm potassium sulphate |
| 06/10/1998 | CN1184091A Potash fertilizer producing method by using potassium-rock |
| 06/02/1998 | US5760078 Process for the fractioning and recovery of valuable compounds from vinasse produced in fermentations |
| 05/12/1998 | US5749935 Manganese fertilizer |
| 04/07/1998 | US5735929 Potassium sulfate and potassium nitrate in combination with the surfactant selected from disulfonate and oxyalkylated alcohol-carboxylic acid adduct; used as a fertilizer |