| Patents for C05D 3 - Calcareous fertilisers (935) |
|---|
| 01/29/1998 | DE19629423A1 Neutralisation of acids from industrial processes |
| 01/21/1998 | CN1170517A Method for producing feed calcium by acid-saving decalcification and defluorination |
| 01/15/1998 | DE19649021A1 Gas concrete lime production from bricks or rubble |
| 12/18/1997 | WO1997047179A1 Vegetal soil mixture for cultivated turf and method for producing the same |
| 12/11/1997 | WO1997046498A1 Oyster shell based products and methods for improving soils |
| 10/30/1997 | DE19711983A1 Preparation of liquid or solid lime fertilisers used in e.g. agriculture |
| 10/21/1997 | US5679262 Method for alkaline treatment of sewage sludge for beneficial use |
| 09/10/1997 | EP0793631A1 Composition for the treatment of waste materials |
| 09/03/1997 | CN1158595A Process and appts. for treatment of sewage sludge |
| 07/16/1997 | EP0783462A1 Process and apparatus for treatment of sewage sludge |
| 07/09/1997 | EP0782556A1 Vitalizing granules containing ash and gypsum and a method for producing the granules |
| 06/10/1997 | CA2035325C Low density agglomerate utilizing a carbohydrate binder |
| 06/03/1997 | US5634959 Soluble plant food containing micronutrients |
| 05/13/1997 | US5628811 Method of ameliorating acid soil to enhance plant growth |
| 05/06/1997 | US5627133 Environmentally beneficial soil amendment |
| 05/01/1997 | WO1997015398A1 Method for producing a lime product from mussel- and/or seashells |
| 04/23/1997 | EP0717799A4 Process and apparatus for manufacturing absorbent granular material |
| 04/22/1997 | US5622600 Remocal of fibers from ejection stream of papermaking liquids |
| 04/15/1997 | US5620498 Use of fungal mycelium as a soil adjuvant |
| 04/08/1997 | US5618442 Mixing with alkaline additive, pasteurizing |
| 03/26/1997 | EP0764619A1 Treatment method for urban refuse |
| 03/20/1997 | WO1997010191A1 Composition for the treatment of waste materials |
| 03/20/1997 | CA2205049A1 Composition for the treatment of waste materials |
| 02/25/1997 | CA2016048C Method for the production of potassium magnesium phosphate |
| 02/12/1997 | EP0559858B1 Method and installation for processing animal excrement and liquid manure |
| 01/28/1997 | US5597399 Soil enhancing compound and method for producing same |
| 01/02/1997 | EP0751253A2 Absorbent granular material and process and apparatus for making the absorbent granular material |
| 12/25/1996 | CN1138567A Wetting decomposition process of potash feldspar ore |
| 12/17/1996 | US5584905 Preparation of amendments and fertilizer products for agricultural soils by entrapment of acid gases by solid waste material |
| 12/11/1996 | EP0747526A2 Dyed particulate or granular materials from recycled paper and process for making the materials |
| 12/08/1996 | CA2176422A1 Dyed particulate or granular materials from recycled paper and process for making the materials |
| 11/20/1996 | EP0742784A1 Sludge conditioning method |
| 10/31/1996 | WO1996033961A1 Fertilizer and process for production thereof |
| 10/31/1996 | CA2219167A1 Fertilizer and process for production thereof |
| 10/17/1996 | DE19513511A1 Prepn of a metal oxide mixts contg magnesium carbonate and calcium carbonate |
| 10/09/1996 | EP0736496A2 Process for conditioning industrial sludge, especially sewage sludge |
| 10/02/1996 | DE19511319A1 Compsns. for liming and/or improving soil |
| 09/10/1996 | US5554279 Apparatus for treatment of sewage sludge |
| 07/11/1996 | WO1996020779A1 Fertilizers for agricultural soils by entrapment of acid gases |
| 06/26/1996 | EP0717799A1 Process and apparatus for manufacturing absorbent granular material |
| 05/07/1996 | US5514201 Microelement deficiency corrector for farmland and process for preparation thereof |
| 04/23/1996 | US5510310 Floor dry material and method of manufacture |
| 04/23/1996 | US5510094 Desulfurization of flue gas to form gypsum and ammonium sulfate |
| 04/17/1996 | EP0707056A1 A soil ameliorant and a method of ameliorating acid soil to enhance plant growth |
| 04/04/1996 | WO1996009991A1 Process and apparatus for treatment of sewage sludge |
| 03/28/1996 | WO1996009268A1 Vitalizing granules containing ash and gypsum and a method for producing the granules |
| 03/26/1996 | US5501719 Ground strengthening/soil-improving material |
| 03/07/1996 | DE4431465A1 Egg shell treatment process for their safe disposal |
| 03/05/1996 | US5496566 Slurry of alkaline earth carbonates, absorption of low frequency electromagnetic radiation in homes, other buildings |
| 12/06/1995 | CN1113072A Method of cultivation of coal and lignite infields formed by uncovering (open cast mining) |
| 11/22/1995 | EP0581854B1 Process for immobilizing heavy metals in the soil |
| 11/21/1995 | US5468277 Mixing powder with water in enclosure; scattering on soil; agriculture; dustless |
| 10/10/1995 | US5456737 Soil supplement and method of manufacture |
| 10/03/1995 | US5454849 Soil treatment composition |
| 09/27/1995 | EP0673903A2 Process for manufacturing a fertiliser for soil basic conditioning |
| 09/27/1995 | EP0673902A1 Product for treating organic wastes |
| 09/20/1995 | EP0672027A1 Ground vegetating method |
| 08/03/1995 | WO1995020552A1 Sludge conditioning method |
| 07/25/1995 | US5435923 Method for the treatment of sewage sludge and the like |
| 07/18/1995 | US5433844 Apparatus for pathogen reduction in waste |
| 05/24/1995 | EP0653910A1 Method of cultivation of coal and lignite infields formed by uncovering (open cast mining) |
| 05/24/1995 | DE4409649C1 Treatment of wet clarified sewage sludge used in agriculture |
| 05/23/1995 | US5417861 Process to stabilize bioorganic, raw or treated wastewater sludge |
| 05/10/1995 | EP0652192A1 Process of manufacturing a fertiliser and soil conditioner material |
| 05/03/1995 | CN1102172A Multielement compound fertilizer and making method thereof |
| 04/11/1995 | US5405536 By heating |
| 04/06/1995 | WO1995009137A1 Ground vegetating method |
| 03/16/1995 | WO1995007384A1 Process and apparatus for manufacturing absorbent granular material |
| 03/08/1995 | EP0641752A2 Process for making a fertiliser |
| 03/01/1995 | EP0289539B1 Process for combating the harmful effects on plants of toxic substances in the air |
| 02/22/1995 | CN1099009A Chloride process producing polyaluminum chloride and compound fertilizer |
| 01/18/1995 | EP0634380A2 Liquid composition for plant treatment and process of manufacturing thereof |
| 12/22/1994 | WO1994028705A1 Method of cultivation of coal and lignite infields formed by uncovering (open cast mining) |
| 12/22/1994 | CA2141681A1 Method of cultivation of coal and lignite infields formed by uncovering (open cast mining) |
| 12/15/1994 | DE4418295A1 Process for treating coal tar |
| 12/13/1994 | US5372314 Method of manufacturing waste absorbent material |
| 09/14/1994 | CN1091995A Ammonia-Limestone scrubbing with by-product for use in agriculture |
| 09/13/1994 | US5346616 Apparatus for pathogen reduction in waste |
| 09/13/1994 | US5346527 Soil treatment |
| 09/09/1994 | CA2117145A1 Ammonia-limestone scrubbing with by-product for use in agriculture |
| 08/03/1994 | EP0524245B1 Process and apparatus for pathogen reduction in waste |
| 07/14/1994 | DE4325118A1 Wood and lignite tar conversion |
| 06/08/1994 | CN1087615A Method for wet production of general calcium without filter dewatering and activator processes |
| 04/21/1994 | DE4329454C1 Plant fertiliser prodn. from waste fruit - comprises comminution and neutralisation of mash, esp. with chalk, providing fertiliser having low heavy metal content and contg. no PCB's etc. |
| 04/20/1994 | EP0592964A1 Calcium agent for plants |
| 03/09/1994 | CN1083460A Agricultural active calcium and its preparing technology |
| 02/24/1994 | DE4227131A1 Method of conditioning sewage sludge - by addition of clay and lime to reduce ammonia emissions |
| 02/09/1994 | EP0581854A1 Process for immobilizing heavy metals in the soil. |
| 02/02/1994 | EP0581706A1 Fertilizer and process of manufacturing thereof |
| 01/26/1994 | CN1081172A Method for preparing premium calcium-magnesium-phosorus manure with wagnerite |
| 01/04/1994 | US5275733 Odor reduction with highly adsorbent material; adjusting pH, conductivity and solids content; adding microflora to catabolize organics |
| 11/18/1993 | DE4207233A1 Prodn. of porous filter body for exhaust gas - by saturating paper and/or cardboard material with water, stirring and drying or hardening obtd. foamed pulp |
| 11/09/1993 | US5259977 Partially dewatered, mixer, alkaline material, exothermic reaction, discharge receptacle, agglomeration, pellets, moisture reduction means, recycling |
| 10/28/1993 | WO1993021132A1 Fertilizer and limestone product |
| 10/27/1993 | EP0566721A1 Biologically pure, three-phase natural fertilizer and process for producing the same |
| 10/27/1993 | CN1077704A Method and apparatus for treatment of animal dung, manure pit and sewage |
| 10/27/1993 | CN1077664A Comprehensive utilization of gypsum for flue gas desulfurizing |
| 10/13/1993 | EP0564857A1 Plant growth substrate with fertilising effect, in particulate free flowing form and process for the manufacture thereof |
| 10/12/1993 | US5252116 Organic base fertilizer from municipal sewage sludge |
| 10/05/1993 | US5249889 Soil-less method for the reclamation of disturbed areas |