| Patents for C05B 1 - Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly (522) |
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| 03/29/2000 | EP0988105A1 Device for mixing and dissolving solid granules in a liquid, in particular for producing nitrophosphate fertilisers |
| 01/26/2000 | CN1242352A Method for prodn. of high efficiency composite fertilizer contg. nitrogen, phosphorous and potassium |
| 11/18/1999 | WO1999058457A1 Method for treating waters, soils, sediments and/or sludges |
| 11/18/1999 | DE19821609A1 Precipitation of phosphate and heavy metals from water or sediment using alkaline earth metal peroxide, giving high level of phosphate removal |
| 11/17/1999 | CN1235135A Gingko and chestnut fruit regulator |
| 09/15/1999 | CN1228400A Process for preparing granulated composite fertilizer |
| 08/10/1999 | CA2097593C Method for obtaining phospho-nitrogenous products and products thus obtained |
| 07/28/1999 | CN1223987A Preparation of particle superphosphate with ground phosphate rock by one-step process, and process therefor |
| 07/28/1999 | CN1223986A Organic multi-element superphosphate |
| 07/14/1999 | CN1222496A Composite organic phosphate fertilizer |
| 07/07/1999 | CN1221719A Prodn. tech. of disposable multi-element compound fertilizer |
| 06/30/1999 | EP0813509B1 Sulfur-containing fertilizer and process for production thereof |
| 03/04/1999 | WO1999010084A1 Process for the preparation of fertilizers and sulfur compounds |
| 02/03/1999 | CN1206701A Process for producing calcium superphosphate from defluorinated slag |
| 12/23/1998 | CN1202474A Neutral calcium superphosphate and its producing method |
| 12/10/1998 | WO1998055213A1 Device for mixing and dissolving solid granules in a liquid, in particular for producing nitrophosphate fertilisers |
| 10/20/1998 | US5824132 Method of phosphoric acid concentration |
| 08/13/1998 | WO1998034707A1 Method of phosphoric acid concentration and fertilizer production |
| 07/29/1998 | CN2286751Y Mixing device for general calcium production |
| 07/15/1998 | CN1187480A Process of co-producing sulfonyl phosphate potassium fertilizer in superphosphate equipment |
| 05/20/1998 | CN1182411A Sulfur-containing fertilizer and process for production thereof |
| 04/28/1998 | US5743935 Conditioning composition |
| 03/04/1998 | EP0560882B1 Method for obtaining phospho-nitrogenous products |
| 03/03/1998 | US5723812 Propellant |
| 12/29/1997 | EP0813509A1 Sulfur-containing fertilizer and process for production thereof |
| 11/26/1997 | CN1036506C Silica-gel removing and fluorine recovering method and appts. |
| 07/30/1997 | EP0786434A1 Stabilised ammonium nitrate |
| 12/11/1996 | CN1033506C Method for producing phosphate-potash composite fertilizer |
| 11/06/1996 | CN1134923A Method for directly producing composite fertilizer using extracted phosphoric acid liquor |
| 11/05/1996 | US5571303 Ammonium sulfate and ammonium phosphate with sulfur |
| 10/02/1996 | CN1032914C Prodn. method of granular compound fertilizer by directly using phosphorus ore powder as source |
| 09/12/1996 | WO1996027571A1 Sulfur-containing fertilizer and process for production thereof |
| 09/12/1996 | CA2214145A1 Sulfur-containing fertilizer and process for production thereof |
| 09/04/1996 | CN1032687C Process for producing enriched calcium super phosphate fertilizer |
| 08/21/1996 | CN1129203A Five-element mixed fertilizer |
| 08/14/1996 | CN1032530C Method for prepn. of phosphate fertilizer by using igneous rock phosphous ore and zeolite as raw materials |
| 12/27/1995 | CN1113903A Phosphate-potash composite fertilizer and its producing method |
| 04/26/1995 | CN1101902A Bone fertilizer and producing process thereof |
| 04/25/1995 | US5409516 Process for the production of phospho-nitrogenous products and products thus obtained |
| 02/07/1995 | US5387401 Method and an installation for producing granulated triple superphosphate (TSP) |
| 01/03/1995 | US5378258 Method and an installation for producing granulated triple superphosphate (TSP) |
| 07/13/1994 | CN1089250A Method and apparatus for producing fodder-calcium hydrogen phosphate |
| 05/11/1994 | CN1086460A Silica-gel removing and fluorine recovering method and apparatus |
| 04/20/1994 | CN1085533A Multielement phosphate fertilizer |
| 03/09/1994 | CN1083462A Comprehensive fertilizer for controlling wheatgrass diseases and its preparation method |
| 02/02/1994 | CN1023642C Si-N-P granular fertilizer |
| 12/29/1993 | CN1079950A Technology for production of modified calcium superphosphate compounded fertilizer |
| 09/22/1993 | EP0560882A1 Method for obtaining phospho-nitrogenous products |
| 05/18/1993 | US5211735 Process for preparing phosphated or nitrophosphated fertilizers through solubilization of phosphate rock |
| 03/24/1993 | CN1020155C Method for producing ammonium sulphate |
| 03/10/1993 | CN1069718A Production process of enriched superphosphate |
| 01/13/1993 | EP0522947A1 Process and device for the production of triple superphosphate granulate |
| 01/06/1993 | CN1067644A Method for production of nitric acid phosphatic fertilizer |
| 11/11/1992 | CN1066051A Production process of active superphosphate fertilizer |
| 09/22/1992 | CA1307747C Continuous recovery of sulfur from flue gas |
| 08/19/1992 | CN1063675A Special chemical fertilizer for beet |
| 08/19/1992 | CN1063674A Granular compound fertilizer and tech. made by part acidic phosphorus mine one step method |
| 08/06/1992 | WO1992012945A1 Improved fertiliser |
| 07/29/1992 | CN1063095A Process for preparation of products containing phosphorus-nitrogen and prodcts obtained |
| 06/24/1992 | CN1017143B Granular compound fertilizer of ammonium chloride series |
| 06/06/1992 | WO1992010443A1 Method for obtaining phospho-nitrogenous products and products thus obtained |
| 04/29/1992 | CN2102927U Mixed reaction apparatus for common calcium production line |
| 04/08/1992 | CN1060084A Process for producing potassium dihydrogen phosphate and potassium sulfate |
| 10/09/1991 | CN1055167A Mfg. method for producing potassium dihydrogen phosphate compound fertilizer |
| 09/25/1991 | CN1014051B Producing potassium phosphate from ores containing potassium and phosphate |
| 09/10/1991 | US5047078 Phosphate fertilizer and antiscaling agents |
| 08/20/1991 | CA1287744C Method and compositions for increasing plant growth |
| 07/31/1991 | CN1053418A Production process of defluorinated phasphate fertilizer |
| 06/04/1991 | CA1284590C Plant food and method for its use |
| 03/27/1991 | CN1012166B Producing calcium superphosphat by activated ore pulp method |
| 02/06/1991 | CN1049010A Si-n-p granular fertilizer and productive process thereof |
| 01/30/1991 | CN1048841A Producing method of ammonium sulphate and of composite fertilizer by using of ammonium sulphate |
| 12/11/1990 | US4976767 Steep-water from wet milling of corn mixed with additional nitrogen, phosphosrus and potassium-containing nutrients |
| 11/06/1990 | US4968499 Conversion of precipitator dust into phosphorus furnace feedstock |
| 08/29/1990 | CN1009361B Multifunction compound fertilizer and its producing method |
| 04/24/1990 | US4919906 Agglomerating phosphate ore with a binder by a method which upgrades ore |
| 01/17/1990 | CN1038804A Granular compound fertilizer of ammonium chloride series |
| 07/25/1989 | US4851242 Aggregates of recent formation of organic sea limestones; phosphates formed on surface by action of phosphoric acid |
| 06/07/1989 | CN1033270A Ammonium chloride compound fertilizer and its prodn. technology |
| 08/03/1988 | CN88100149A Producing calcium superphosphat by activated ore pulp method |
| 05/18/1988 | EP0144407B1 Nutrition product, particularly for animals and soils, method and plant for manufacturing such product |
| 04/28/1988 | DE3635195A1 Process for the preparation of a combined phosphorus fertilizer and soil conditioner |
| 04/20/1988 | EP0264176A1 Continuous recovery of sulfur from flue gas |
| 03/31/1988 | DE3644164A1 Moss killer |
| 02/02/1988 | USH425 O--X--O and O--X--X suspension fertilizers from phosphoric acid, phosphate rock, and potash |
| 01/27/1988 | CN86104847A Process for preparing calcium polyphosphate |
| 01/13/1988 | CN87104072A Multifunction compound fertilizer and its producing method |
| 12/01/1987 | US4710364 Continuous recovery of sulfur oxide from flue gas |
| 12/01/1987 | US4710219 Production method of combined phosphorus fertilizer and soil conditioner |
| 09/22/1987 | EP0110931A4 Artificial fertilizer. |
| 09/09/1987 | EP0235530A2 Plant food and method for its use |
| 12/03/1986 | EP0203734A1 Methods and compositions for increasing plant growth |
| 09/17/1986 | CN85102311A Producing potassium phosphate from ores containing potassium and phosphate |
| 09/02/1986 | CA1210603A1 Fertilizer composition containing a silicon additive |
| 05/13/1986 | US4588431 Mixed phosphatic fertilizer and process for producing the same |
| 06/19/1985 | EP0144407A1 Nutrition product, particularly for animals and soils, method and plant for manufacturing such product. |
| 02/26/1985 | CA1182977A1 Method of defluorinating phosphates |
| 12/20/1984 | WO1984004871A1 Nutrition product, particularly for animals and soils, method and plant for manufacturing such product, and food composition obtained thereby |
| 10/30/1984 | US4479924 With diorganyldithiophosphoric acid and adsorbent |
| 06/20/1984 | EP0110931A1 Artificial fertilizer |