| Patents for C05D 3 - Calcareous fertilisers (935) |
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| 09/15/1993 | EP0559858A1 Method and installation for processing animal excrement and liquid manure. |
| 08/25/1993 | EP0557078A1 Process to stabilize wastewater sludge |
| 07/22/1993 | DE4201198A1 Liq. manure for slow-release fertiliser pellets prepn. - is used as pelletising liq. for hydroxide-forming cpd., pref. calcined dolomite and opt. clarified sludge |
| 07/20/1993 | US5229011 Process for pathogen reduction in waste |
| 07/20/1993 | US5228895 Fertilizer and limestone product |
| 06/24/1993 | DE4142627A1 Agricultural lime slurries - produced by crushing limestone chippings in presence of water, milling and storing for future use |
| 06/09/1993 | EP0545199A1 Use of fungal mycelia as soil conditioner |
| 06/02/1993 | CN1072672A Use of fungal mycelium as soil adjuvant. |
| 06/02/1993 | CN1021042C Process for producing high effective silica fertilizer |
| 05/28/1993 | CA2083893A1 The use of fungal mycelium as a soil adjuvant |
| 05/27/1993 | WO1993010061A1 Biologically pure, three-phase natural fertilizer and process for producing the same |
| 05/13/1993 | DE4137171A1 Biologisch reines drei-phasen-naturstoff-duengemittel und verfahren zu seiner herstellung Biologically pure three-phase-NP-fertilizers and process for its manufacture |
| 04/15/1993 | DE4134005A1 Prodn. of retarding fertiliser from excrement - involves addn. of hydraulic binding medium forming excrement into processable particles |
| 03/25/1993 | DE4131296A1 Verfahren und apparatur zur aufbereitung von tierexkrementen, guelle und jauche Method and apparatus for treatment of animal excrement, liquid manure |
| 03/21/1993 | WO1993006063A1 Method and installation for processing animal excrement and liquid manure |
| 03/21/1993 | CA2096644A1 Method and installation for processing animal excrement and liquid manure |
| 03/17/1993 | EP0524245A4 Process and apparatus for pathogen reduction in waste |
| 03/04/1993 | CA2077508A1 Organic base fertilizer from municipal sewage sludge |
| 02/24/1993 | EP0527984A1 Method for producing homogeneous, fine, pulverulent solids dispersions optionally containing active substances |
| 02/16/1993 | US5186731 Method and compositions for promoting mushroom growth |
| 01/27/1993 | EP0524245A1 Process and apparatus for pathogen reduction in waste. |
| 01/12/1993 | US5178661 Calcium or magnesium salt or complex of fulvic acid |
| 12/29/1992 | US5174806 Stirring organic acid into water, adding liquid phosphoric acid while heating, adding potassium hydroxide, adding urea, repeating twice, concentrating, adding plaster |
| 12/17/1992 | DE4219351A1 Corrector for arable land with trace element deficiency - comprises mixt. of trace elements in form of hydrated sulphate(s) whose essential metals are manganese@, iron@, magnesium@ and zinc@ |
| 12/10/1992 | WO1992021409A1 Process for immobilizing heavy metals in the soil |
| 10/27/1992 | US5158594 Granulated nitrogen-phosphorus-potassium-sulfur fertilizer from waste gypsum slurry |
| 09/02/1992 | WO1992015539A1 Method for producing homogeneous, fine, pulverulent solids dispersions optionally containing active substances |
| 09/02/1992 | CA2081307A1 Method for producing homogeneous, fine, pulverulent solids dispersions optionally containing active substances |
| 05/27/1992 | EP0486932A1 Biological soil improvement material for agricultural purposes and method of producing same |
| 03/03/1992 | US5093262 Method and apparatus for producing organic fertilizer with the use of nitrogen fixing bacillus |
| 02/12/1992 | EP0470112A1 Process for obtaining a solid fertilizer product from liquid manure |
| 02/04/1992 | US5085681 Fertilizer materials based on metallurgical slags and methods of making the same |
| 12/10/1991 | US5071462 Method and apparatus for producing organic fertilizer with the use of nitrogen fixing bacillus |
| 10/07/1991 | WO1991015432A1 Process and apparatus for pathogen reduction in waste |
| 10/01/1991 | US5053144 Method for the multistage, waste-free processing of red mud to recover basic materials of chemical industry |
| 09/26/1991 | DE4021416C1 Fertiliser which can be applied below 0 deg. C - based on calcium carbonate and/or magnesium carbonate contg. sodium in form which plants can take e.g. sodium chloride or sulphate |
| 07/31/1991 | EP0439373A1 Low density agglomerate utilizing a carbohydrate binder |
| 07/30/1991 | US5035872 Reaction of calcium dihydrogen phosphate with potassium sulfate and magnesium oxide or hydroxide |
| 06/05/1991 | EP0430751A1 Process and apparatus for the manufacture of a mixed limestone soil conditioner for agricultural soils in granitic regions |
| 05/15/1991 | EP0427700A1 Method for the manufacture of a fertilizer |
| 05/15/1991 | EP0426783A1 Process for manufacturing pelletized materials for use in chemical reactions in industry or agriculture |
| 05/07/1991 | US5013458 Heating sludge by exothermic hydration of calcium oxide |
| 05/02/1991 | EP0424596A1 A method for processing manure and a substance used therewith |
| 03/05/1991 | US4997572 High rate method for alkaline stabilization, beneficiating and pelletizing of wastewater treatment plant sludges |
| 01/31/1991 | DE3925230A1 Fertilisers prepd. from quicklime - by slaking with waste water from starch mfr. |
| 01/17/1991 | DE4018637A1 Prodn. of non-dusting alkaline earth fertiliser granules - by granulation of powdered alkaline earth mixture with magnesium salt soln. and/or sulphate waste liquor |
| 01/10/1991 | DE3922310A1 Using waste from sugar beet - by processing to desulphurise chimney gas giving prod. suitable as improver for acidified soil |
| 12/13/1990 | WO1990012771A3 Process for obtaining a solid fertilizer product from liquid manure |
| 11/15/1990 | WO1990011264A3 Process for manufacturing pelletized materials for use in chemical reactions in industry or agriculture |
| 11/08/1990 | DE3913883A1 Fertiliser pellets based on slurry or sewage - contg. lime, perlite, cement and fly ash |
| 11/07/1990 | EP0396043A2 Method for the production of potassium magnesium phosphate |
| 11/01/1990 | WO1990012771A2 Process for obtaining a solid fertilizer product from liquid manure |
| 10/31/1990 | EP0394953A2 Lime fertilizer |
| 10/31/1990 | DE3913657A1 Verfahren zur verarbeitung von guelle zu einem festen duengemittel-produkt A method for processing of guelle fixed to a fertilizer product |
| 10/03/1990 | CN1045766A Use of calcium sulphate to improve fermentation of organic waste |
| 09/27/1990 | DE3909587A1 Nitrogen fertilizer based on calcium cyanamide |
| 09/24/1990 | WO1990011264A2 Process for manufacturing pelletized materials for use in chemical reactions in industry or agriculture |
| 09/24/1990 | CA2029887A1 Process for manufacturing pelletized materials for use in chemical reactions in industry or agriculture |
| 09/04/1990 | US4954134 Agglomeration of gypsum, limestone, or gypsum-limestone mix |
| 08/14/1990 | CA1272613A1 Use of ammonium syngenite as a slow-acting nitrogen fertilizer |
| 05/31/1990 | DE3840059A1 Method for further processing waste products from the purification of waste water, process water and exhaust air and use thereof in the agricultural sector |
| 05/23/1990 | EP0368919A1 Method for the multistage, waste-free processing of red mud to recover basic materials of chemical industry |
| 02/28/1990 | CN1040019A Process for producing high effective silica fertilizer |
| 02/14/1990 | CN1006781B Slaked lime composition and method for preparing |
| 01/18/1990 | DE3921805A1 Composition for fertilisation, soil improvement and protection of waterways |
| 11/28/1989 | US4883530 Use of ammonium syngenite as a slow-acting nitrogen fertilizer |
| 11/23/1989 | DE3816138A1 Fertiliser for controlling the death of plants |
| 11/23/1989 | DE3816137A1 Fertiliser for preventing and controlling the death of plants |
| 11/14/1989 | US4880212 Device for detecting the level of the slag in a metal pool |
| 07/25/1989 | US4851242 Aggregates of recent formation of organic sea limestones; phosphates formed on surface by action of phosphoric acid |
| 07/13/1989 | WO1989006223A1 Use of calcium sulphate to improve the fermentation of organic fertilizers |
| 07/05/1989 | EP0322831A1 Use of calcium sulphate to improve the fermentation of organic wastes |
| 05/24/1989 | DE3738938A1 Fertiliser |
| 02/09/1989 | WO1989000980A1 Method for the multistage, waste-free processing of red mud to recover basic materials of chemical industry |
| 12/14/1988 | EP0294857A1 Breeding ground stabilizer and method for improving a breeding ground |
| 11/10/1988 | DE3714444A1 Method and preparation for combating damage to plants, in particular damage to forests, caused by undue natural and/or anthropogenic acidification of the environment |
| 11/09/1988 | EP0289539A1 Process for combating the harmful effects on plants of toxic substances in the air. |
| 10/05/1988 | EP0285208A1 A process for treating manure and/or waste water sludge, manure granule produced using said process, and a method of fertilizing land |
| 09/15/1988 | DE3813336A1 Environmentally friendly winter gritting and soil improvement composition |
| 07/28/1988 | DE3701401A1 Use of blast furnace slag as a carrier for other fertilizers |
| 07/13/1988 | EP0274020A1 Process and apparatus for the production of suspended alkaline-earth carbonates |
| 06/22/1988 | EP0272242A2 Agglomerated product, its production and its use |
| 05/19/1988 | WO1988003426A1 Process for combating the harmful effects on plants of toxic substances in the air |
| 05/18/1988 | EP0144407B1 Nutrition product, particularly for animals and soils, method and plant for manufacturing such product |
| 03/16/1988 | EP0259608A2 Fertilizer and method for producing the same |
| 03/03/1988 | DE3723095A1 Composition for feeding (dressing) woody plants with alkaline earth metals |
| 12/23/1987 | DE3620814A1 Covering material for the recultivation of dumps, sandpits, quarries, embankments, earth banks or landfills of the most varied type |
| 11/05/1987 | DE3628611A1 Process and preparation for the treatment of damage to plants, in particular to forests, to the soil and/or to water, caused by air pollution |
| 10/22/1987 | DE3703634A1 Environmentally friendly winter gritting and soil improvement composition |
| 07/16/1987 | DE3600400A1 Process for conditioning lime slurry |
| 03/25/1987 | CN85106732A Slaked lime composition and method for preparing |
| 01/07/1987 | EP0207928A2 Fertilizer and method for its preparation |
| 12/03/1986 | EP0203464A1 Use of ammonium syngenite as a slowly active nitrogen fertilizer |
| 01/28/1986 | US4566896 Method and media for stimulating growth in foliage plants |
| 06/19/1985 | EP0144407A1 Nutrition product, particularly for animals and soils, method and plant for manufacturing such product. |
| 12/20/1984 | WO1984004871A1 Nutrition product, particularly for animals and soils, method and plant for manufacturing such product, and food composition obtained thereby |
| 12/18/1984 | US4488971 Process for even division of substances and mixtures of substances in the course of manufacture of pulverulent preparations by chemical reaction |
| 11/21/1984 | EP0125440A2 Fertiliser based on poultry manure, and method for its preparation |
| 09/04/1984 | US4469502 Ion exchanger fertilizers and a process for supplying plants with nutrients uniformly and over a long period of time |
| 12/07/1983 | EP0095624A2 Ion-exchange fertiliser, and process for a long duration, regular plant nutrient administration to plants |