| Patents for C05F 15 - Mixtures of fertilisers covered by more than one of main groups; Fertilisers from mixtures of starting materials, all the starting materials being covered by this subclass but not by the same main group (1,520) |
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| 05/09/1996 | DE4439710A1 Detoxification of contaminated wood |
| 05/09/1996 | CA2203648A1 Growth medium and method |
| 04/10/1996 | EP0705235A1 Apparatus and method for processing organic refuse |
| 04/03/1996 | EP0703824A1 Co-composting process and apparatus for treating solid waste and sewage sludge |
| 03/28/1996 | WO1996009270A1 Vegetable fiber planted organic crude fertilizer, method of manufacturing the same, and treatment apparatus for the same |
| 02/01/1996 | DE4420500A1 Reintroduction of slightly contaminated materials into eco-system |
| 01/11/1996 | DE19507204C1 Prepn. of compost using keratin-contg. waste material |
| 11/29/1995 | CN1112537A Processing method of compound organic liquid spray fertilizer |
| 07/20/1995 | WO1995019328A1 Cultivation substrate and process for producing it |
| 07/20/1995 | DE4340517A1 Rottable moulded prods., esp. rottable plant pots |
| 06/28/1995 | CN1104196A Active column-type chengji full importance fertilizer |
| 06/22/1995 | DE4409594A1 Recovering fertiliser, free from heavy metals, from sewage sludge |
| 06/15/1995 | CA2111431A1 Method and apparatus for producing solid fertilizer from liquid substances such as manure from livestock or sludge |
| 06/14/1995 | EP0657405A1 Process and device for the obtention for fertiliser from liquid and crop wastes |
| 04/20/1995 | DE4402692C1 Use of lightweight building products made of wood wool |
| 04/13/1995 | DE4401279C1 Culture substrate and its preparation |
| 03/23/1995 | DE4331546A1 Sewage sludges enriched with nutrients, their preparation and their use |
| 01/19/1995 | DE4323737A1 Method of suppressing weeds |
| 12/22/1994 | WO1994029014A1 Co-composting process and apparatus for treating solid waste and sewage sludge |
| 12/22/1994 | CA2165179A1 Co-composting process and apparatus for treating solid waste and sewage sludge |
| 11/23/1994 | EP0625494A1 Process of treatment of plant wastes or wastes from manufactured products of vegetal origine, especially food |
| 07/21/1994 | DE4327831C1 Prodn. of materials for soil reclamation |
| 06/01/1994 | EP0480030B1 Method and apparatus for composting mixture of livestock excretion and barn mat |
| 05/18/1994 | EP0597417A1 Organic or organomineral fertiliser comprising compost |
| 05/11/1994 | DE4334249A1 Conversion of compost to marketable press - comprises granulating the compost by rolling in rotating plates or drums followed by sorting according to granule size. |
| 05/05/1994 | DE4231685A1 Prepn. of high quality compost from untreated organic wastes - comprises mixing paper and or cardboard waste having low content of harmful substances |
| 04/07/1994 | DE4316260C1 Disposal of old railway sleepers - by composting with added organic material, sewage sludge, etc. |
| 03/03/1994 | DE4239297A1 Composting clarifier sludge or organic waste - by mixing with excavated soil and straw or chaff |
| 02/03/1994 | DE4324518A1 Compsn. for encouraging plant colonisation of barren soil - contains protein, mineral etc. by products of starch recovery from potatoes etc., partic. for treating fire damaged areas |
| 12/29/1993 | EP0576389A2 Process for transforming liquid manure and sewage into compost |
| 11/04/1993 | DE4236736A1 Use of comminuted paper and cardboard as a peat substitute or soil conditioner - which may be formed into blocks for propagation of individual plants |
| 10/13/1993 | CN1077184A Process and installation for the utilization of organic substances |
| 10/07/1993 | DE4211013A1 Granulate matter - is a liquid waste mixed with absorbent waste material and adhesive to give granules |
| 07/22/1993 | DE4201410A1 Material for fodder, scattering or ground cover - comprises chopped straw and/or hay compressed into light wood type pellets |
| 07/22/1993 | DE4201399A1 Rapid composting of biological and organic waste - by controlled two=stage rotting process comprising pre-sorting according to size and nature, mixing with vegetable matter, etc. |
| 07/22/1993 | DE4201166A1 Simultaneous treatment of organic waste prods., e.g. sewage - by subjecting streams of coarse prod. free waste to hydrolysing rotting, densifying and composting |
| 05/26/1993 | CN1020892C Organic granulated fertilizer and preparation method thereof |
| 05/06/1993 | DE4232872A1 Organic mineral fertiliser esp. suitable for desert and plain - uses waste from coal mining and processing mixed with waste from animal husbandry or sewage clarification plants |
| 03/03/1993 | EP0408547B1 Process for the production of fertiliser |
| 02/03/1993 | EP0525088A1 Concentrated nutrient for fungus cultivation and process for making it |
| 12/10/1992 | DE4118919A1 Nutrient contg. soils prepn. - by granulating inorganic and organic waste components with liq. that contains plant nutrients. |
| 12/08/1992 | US5169782 Rotating cylinder having vanes for agitation and air intake tubes, for composting or aerobic fermentation of biomass |
| 10/22/1992 | DE4121104A1 Composting e.g. municipal waste - by moistening coarse fraction after initial sieving and sieving to separate paper fibres which are added to fire fraction and composted |
| 10/08/1992 | DE4111204A1 Urine-faeces mixts. disposal and conditioning - by adjusting moisture content, pH etc, pressing to coarse pellet form, and bio-reacting in stacked ventilated containers |
| 09/24/1992 | DE4104625A1 Cultivating fungal mycelia - on e.g. doughy potato pulp with defined extracellular water content |
| 09/23/1992 | EP0504762A1 Bar-shaped plant growth support |
| 09/23/1992 | EP0504644A1 Plant growth substrate and base material for production thereof |
| 09/17/1992 | CA2063036A1 Basic material for a plant cultivating substrate and cultivating substrate for plants |
| 09/10/1992 | DE4134018A1 Composting system for organic waste material and contaminated soils - has crane-mounted mixing head in form of grab and/or mixing rollers which move over composting material and provide continuous mixing |
| 08/20/1992 | WO1992013814A1 Apparatus and method for processing organic refuse |
| 08/20/1992 | CA2103713A1 Apparatus and method for processing organic refuse |
| 07/22/1992 | CN1062894A Composition fertilizer and its production |
| 04/29/1992 | EP0482407A2 Process for the production of an animal and/or vegetable nutritive substance from organic waste |
| 04/15/1992 | EP0480030A1 Method and apparatus for composting mixture of livestock excretion and barn mat |
| 03/03/1992 | US5093262 Method and apparatus for producing organic fertilizer with the use of nitrogen fixing bacillus |
| 02/10/1992 | CA2022984A1 Seeding composition and process for preparation |
| 01/23/1992 | DE4021865A1 Hygienic compost prodn. with improved speed and efficiency - comprises microbial degradation of rotting waste with aeration and re-cyclisation of spent air |
| 12/10/1991 | US5071462 Method and apparatus for producing organic fertilizer with the use of nitrogen fixing bacillus |
| 11/14/1991 | DE4021868A1 Process for composting wastes by microbial decomposition - comprises recycling air from the composting process during the initial phase to ensure rapid and reliable composting, even in winter |
| 11/14/1991 | DE4021867A1 Composting waste material microbially with passage of air - with control to yield max. amt. of carbon di:oxide per unit of time |
| 10/31/1991 | WO1991016279A1 Method and apparatus for composting mixture of livestock excretion and barn mat |
| 10/24/1991 | DE4012671A1 Naehrstoffkonzentrat fuer die aufwertung von pilzkultursubstraten und verfahren zu dessen herstellung Naehrstoffkonzentrat for the appreciation of mushroom culture substrates and process for its manufacture |
| 10/21/1991 | WO1991016281A1 Concentrated nutrient for fungus cultivation and process for making it |
| 10/21/1991 | CA2080919A1 Nutrient concentrate for fungus cultivation, and method of producing same |
| 08/29/1991 | DE4006239A1 Disposal of manure, sewage sludge and refuse by compositing - in aerated reactor with constant stirring after pre-conditioning raw material to 60-65 wt. per cent water content |
| 06/05/1991 | EP0429744A2 Process for producing pasteurized substrates and apparatus therefor |
| 05/23/1991 | WO1991007365A1 Process and installation for manufacturing a pasteurized substrate |
| 05/23/1991 | CA2045633A1 Process and installation for manufacturing a pasteurized substrate |
| 04/25/1991 | DE3935249A1 Removing water from animal slurry - by mixing slurry with composting material in fermentation container and evaporating water by heat produced by microorganisms in compost |
| 01/23/1991 | EP0408547A1 Process for the production of fertiliser. |
| 12/19/1990 | CN1047851A Technology for making high-efficiency comprehensive compound fertilizer |
| 10/03/1990 | CN1045764A Biochemical compound fertilizer and preparation thereof |
| 09/05/1990 | CN1045086A Oganic granulated fertilizer |
| 08/29/1990 | EP0384290A1 Process for adding value to feather waste |
| 08/23/1990 | DE3905174A1 Process for starting up a device for the continuous generation of biogas |
| 10/05/1989 | WO1989009199A1 Process for the production of fertiliser |
| 04/05/1989 | EP0309872A2 Process for composting urban waste |
| 03/08/1989 | EP0167522B1 A plant nutrient product |
| 02/14/1989 | US4804401 Heating and reacting comminuted phosphate rock and alioic orga nic waste |
| 01/03/1989 | US4795711 Fermentation of organic materials for producing heat and fertilizer |
| 10/11/1988 | US4776131 Plant nutrient product |
| 09/22/1988 | DE3708123A1 Method for disposing of crude oil-containing wastes |
| 07/21/1988 | DE3800078A1 Organic fertiliser, process for its preparation, and method for improving the soil |
| 07/19/1988 | CA1239292A1 Growth promoting material, method of preparing the same, and use of materials of this kind |
| 05/10/1988 | US4743287 Humic acid, wastes, lignite, leonhardite, coal, analyzing, acidolysis, bases, molecular clusters |
| 04/13/1988 | EP0263330A2 Compost made from organic material, and method for producing the same |
| 01/28/1988 | DE3624234A1 Method and device for producing high-quality compost or straw-based degradation product (straw peat) |
| 12/17/1987 | DE3628228C1 Process for the preparation of a high-quality potting compound |
| 10/21/1987 | EP0241802A2 Putrefaction and heat recuperation plant for organic waste products |
| 10/06/1987 | CA1227892A1 Process for the treatment of sewage sludge |
| 09/24/1987 | DE3609162A1 Process for the preparation of a high-grade fertiliser, and fertiliser prepared by the process |
| 10/07/1986 | US4615711 Sewage sludge fuel briquette |
| 05/21/1986 | EP0181615A2 Method and plant for the treatment and the recycling of sewage sludge and biowaste |
| 01/15/1986 | EP0167522A1 A plant nutrient product. |
| 11/12/1985 | US4552666 Process for the treatment of sewage sludge |
| 10/02/1985 | EP0156244A1 Process for making a soil-improving agent |
| 10/01/1985 | CA1194333A1 Composting compositions |
| 09/26/1985 | WO1985004166A1 Process for producing a soil improving agent |
| 08/27/1985 | US4537613 Product for the fertilization of mycorhizal mushrooms and application to the fertilization of truffle-beds |
| 07/18/1985 | WO1985003071A1 A plant nutrient product |