| Patents for C05B 11 - Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes (304) |
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| 12/28/2006 | WO2006137084A2 Process for the manufacture of bio-release fertilizers of zinc-iron-manganese, iron-manganese copper and zinc-iron-manganese-copper |
| 12/20/2006 | CN1880217A Direct method potassium biphosphate production technology |
| 11/22/2006 | CN1865194A Phosphor ammonium slurry reaction-concentration evaporator disposal method |
| 11/02/2006 | WO2006114978A1 Novel potassium phosphate balanced fertilizer |
| 09/08/2006 | WO2006092720A1 Fertilizer |
| 09/07/2006 | US20060196241 High nitrogen liquid fertilizer |
| 09/06/2006 | CN2813607Y Phospham production neutralization reactor by ammoniumcarbon process |
| 08/17/2006 | DE10304973B4 Vorrichtungen, Regelvorrichtung und Regelverfahren für die Läuterung von Glas Devices, control apparatus and control method for the purification of glass |
| 06/14/2006 | CN1259286C Complex utilization method for coal burning boiler smoke and ash slag |
| 05/31/2006 | CN1257867C Production process of S-and Fe-base multielement composite fertilizer |
| 05/24/2006 | CN1257106C Process for generation of precipitated calcium carbonate from calcium carbonate rich industrial byproduct |
| 05/18/2006 | WO2006050936A1 Method and device for obtaining sulphurous nitrogen fertiliser |
| 04/18/2006 | US7030061 Productive process for manufacturing an algal species-based organic complement for vegetal fertilization |
| 04/05/2006 | CN1756726A Fertilizer |
| 03/02/2006 | US20060042526 Apparatus for application of liquids or liquid-solid dispersions to soil, and a kit to adapt soil aeration or tillage devices to further supply liquids or liquid-solid dispersions to soil |
| 10/27/2005 | US20050238558 Method for the production of phosphoric acid and/or a salt thereof and products thus obtained |
| 09/07/2005 | CN1665745A Production method of phosphoric acid and/or phosphate and products thereof |
| 08/10/2005 | CN1651354A Preparation method of nitrogen phosphorus or nitrogen phosphorus potassium composite fertilizer |
| 07/13/2005 | CN1636946A Production process of nanometer-submicron acidifier rock phosphate mixture |
| 06/30/2005 | US20050138979 Method for producing grandular fertilisers |
| 06/28/2005 | US6911188 Producing alkali metal nitrate and phosphate in same process from phosphate and nitrate raw materials by reacting raw materials to provide nitrophosphate feed, exchanging cations in feed with alkali metal ions present on resin, crystallizing |
| 03/30/2005 | EP1517856A2 Method for the production of phosphoric acid and/or a salt thereof and products thus obtained |
| 03/23/2005 | CN2687121Y Pollutionless common calcium phosphate fertilizer producing apparatus |
| 02/16/2005 | EP1440037B1 Process for generation of precipitated calcium carbonate from calcium carbonate rich industrial by-product |
| 01/12/2005 | CN1184307C Industrial fermenting process of sphaeroid red bacteria and its fermented liquid |
| 12/01/2004 | EP1480926A2 Method for producing granular fertilisers |
| 09/01/2004 | CN1164530C Organic composite phosphate fertilizer containing amino acid |
| 08/11/2004 | CN1161302C Process for the preparation of compound fertilizer |
| 07/28/2004 | EP1440037A1 Process for generation of precipitated calcium carbonate from calcium carbonate rich industrial by-product |
| 05/26/2004 | CN1151059C Purifying process of phosphoric acid produced via wet process |
| 02/26/2004 | WO2004002888A3 Method for the production of phosphoric acid and/or a salt thereof and products thus obtained |
| 02/25/2004 | CN1477085A Method for producing high-effective organic and inorganic composite fertilizer by quickly-curing urban domestic refuse |
| 01/22/2004 | WO2003068710A3 Method for producing granular fertilisers |
| 01/08/2004 | WO2004002888A2 Method for the production of phosphoric acid and/or a salt thereof and products thus obtained |
| 01/07/2004 | CN1466546A Process for generation of precipitated calcium carbonate from calcium carbonate rich industrial byproduct |
| 12/10/2003 | CN1130321C Production method of granular N-P composite fertilizer containing secondary element |
| 12/03/2003 | EP1080054B1 Process for the preparation of compound fertilizers |
| 09/24/2003 | EP1235743B1 Production of two alkali metal salts by a combined ion exchange and crystallisation process |
| 08/21/2003 | WO2003068710A2 Method for producing granular fertilisers |
| 07/17/2003 | US20030133862 Production of two alkali metal salts by a combined ion exchange and crystallisation process |
| 05/28/2003 | CN1109668C Liquid potassium dihydrogen phosphate fertilizer and producing process thereof |
| 05/13/2003 | US6562308 Process for the recovery of phosphate from phosphate rock |
| 05/08/2003 | WO2003037795A1 Process for generation of precipitated calcium carbonate from calcium carbonate rich industrial by-product |
| 03/19/2003 | CN1403419A Slurry regulating process of preparing multicomponent composite fertilizer |
| 03/19/2003 | CN1403367A Purifying process of phosphoric acid produced via wet process |
| 01/29/2003 | CN1393546A Industrial fermenting process of sphaeroid red bacteria and its fermented liquid |
| 01/08/2003 | CN1098233C Wet process for producing ammonium phosphate by using phosphate sludge |
| 09/06/2002 | WO2002040426A3 Process for the recovery of phosphate from phosphate rock |
| 09/04/2002 | EP1235743A1 Production of two alkali metal salts by a combined ion exchange and crystallisation process |
| 09/04/2002 | CN1367158A Organic composite phosphate fertilizer containing amino acid |
| 05/23/2002 | WO2002040426A2 Process for the recovery of phosphate from phosphate rock |
| 05/23/2002 | CA2428843A1 Process for the recovery of phosphate from phosphate rock |
| 02/27/2002 | CN1337383A Liquid potassium dihydrogen phosphate and its production process |
| 02/13/2002 | CN1335289A Production process of composite azophoska fertilizer |
| 12/19/2001 | CN1326912A Complex utilization method for coal burning boiler smoke and ash slag |
| 12/05/2001 | EP1160197A1 Treatment of phosphate containing rock |
| 09/19/2001 | CN1313263A Process for preparing compound phosphorus nitrate fertilizer by spray, freeze, crystallization and decorbonizing and decalcifying hydrazidine |
| 08/29/2001 | CN1310153A Nitrophosphate fertilizer producing process eliminating calcium through direct freezing crystallization with low backpressure supersonic nozzle |
| 07/04/2001 | CN1301681A Medium concentrate sulfur-base compound fertilizer and its producing method |
| 06/27/2001 | CN1301242A Process for the preparation of compound fertilizer |
| 06/20/2001 | CN1067363C Process for preparation of products containing phosphorus-nitrogen and products obtained |
| 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 |
| 05/15/2001 | US6231767 Treatment of phosphatic wastes |
| 04/25/2001 | CN1292367A Production method of granular nitrogen-phosphorus composite fertilizer containing secondary element |
| 04/11/2001 | CN1064334C Method for producing ammonium phosphate |
| 04/04/2001 | CN1064032C Method for removing waste acid and waste slag from the titanium dioxide production by sulfuric acid method |
| 03/07/2001 | EP1080054A1 Process for the preparation of compound fertilizers |
| 03/07/2001 | CN1062843C Method for producing compound fertilizer by spraying and pelletting |
| 07/05/2000 | CN1054113C Method for improving phosphorous ore chemical processing performance |
| 03/28/2000 | US6042629 Fertilizer from brewery cleaning and rinsing solutions |
| 02/10/2000 | WO2000005945A1 Method and apparatus for destroying pathogenic and infesting organisms of crops |
| 11/25/1999 | WO1999059938A1 Process for the preparation of compound fertilizers |
| 10/13/1999 | CN1045576C Process for preparing industrial ammonium phosphate and series compound fertilizer |
| 10/06/1999 | CN1045423C Method for producing feed calcium hydrogen phosphate |
| 08/10/1999 | CA2097593C Method for obtaining phospho-nitrogenous products and products thus obtained |
| 08/04/1999 | CN1044458C Method for producing calcium dihydrogen phosphate as feed |
| 03/17/1999 | CN1210840A Wet process for producing ammonium phosphate by using phosphate sludge |
| 12/23/1998 | CN1041299C Integrated neutralizing and concentrating device for producing phospham |
| 09/16/1998 | CN1039800C Solvent sedimentation method for purifying wet method phosphoric acid |
| 07/29/1998 | CN2286752Y External circulation ammoniation reactor |
| 06/10/1998 | CN1184094A Compound nitrogen phosphate fertilizer producing method |
| 06/03/1998 | CN1183378A Method for producing feed calcium hydrogen phosphate |
| 03/04/1998 | EP0560882B1 Method for obtaining phospho-nitrogenous products |
| 01/29/1998 | DE19731505A1 Waste gas scrubber for cleaning gas generated in fertilizer production |
| 01/29/1998 | DE19731504A1 Wash tower for purification of inorganic fertiliser waste gases |
| 01/29/1998 | DE19629423A1 Neutralisation of acids from industrial processes |
| 01/21/1998 | CN1037086C Process for preparing potassium dihydrogen phosphate |
| 09/10/1997 | CN2262035Y Deflector-type wet phosphoric acid extracting bath |
| 07/30/1997 | CN1155513A Method for producing calcium hydrophosphate and monocalcium phosphate as feeds |
| 07/16/1997 | CN1154350A Art for phosphoric ore secondary decomposition by using extracted phosphoric acid |
| 05/07/1997 | CN1149040A Production of chlorideless potassic fertilizer |
| 05/01/1997 | WO1997015693A1 Method of concentrating carbonate-containing phosphate raw material |
| 02/19/1997 | CN2247658Y Apparatus for producing ammonium phosphate by slurry concentration |
| 02/19/1997 | CN1142908A Process for producing fodder calcium hydrophosphate by hydrochloric wet continous thin layer reaction |
| 02/12/1997 | CN1142465A Cycling use method for removing fluorine dreg in production of phosphates |
| 01/08/1997 | CN1139654A Organic biological composite fertilizer and preparation method |
| 12/25/1996 | CN2243465Y Energy saving slurry neutralizing and centralizing apparatus |
| 12/11/1996 | CN1033506C Method for producing phosphate-potash composite fertilizer |
| 11/06/1996 | CN1134924A Method for producing composite fertilizer by liquor jetting pelletting method |