| Patents for C05C 3 - Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor (1,108) |
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| 04/01/1997 | US5616163 Method for processing animal excrement and liquid manure |
| 02/12/1997 | EP0559858B1 Method and installation for processing animal excrement and liquid manure |
| 11/05/1996 | US5571303 Ammonium sulfate and ammonium phosphate with sulfur |
| 09/12/1996 | WO1996027571A1 Sulfur-containing fertilizer and process for production thereof |
| 09/12/1996 | CA2214145A1 Sulfur-containing fertilizer and process for production thereof |
| 08/28/1996 | CN1129684A Combinating process for producing ammonium-potassium sulfate and nitrogen-phosphorus-potassium composite fertilizer |
| 08/08/1996 | WO1996023746A1 Dry-bonded nonionic adjuvants |
| 08/08/1996 | WO1996023408A1 Pesticidal granules containing fertilizer and surfactant |
| 08/08/1996 | CA2211996A1 Pesticidal granules containing fertilizer and surfactant |
| 07/30/1996 | US5541152 Mixture with an aqueous ammononical solution of a metal alkanoate |
| 07/10/1996 | CN2230761Y Simple apparatus for producing liquid nitrogenous fertilizer |
| 06/26/1996 | CN1125212A Carbon ammonium physical property improving method |
| 06/12/1996 | EP0716056A1 Method of producing slow-release nitrogenous organic fertilizer from biomass |
| 04/23/1996 | US5510094 Desulfurization of flue gas to form gypsum and ammonium sulfate |
| 04/17/1996 | CN1031561C Process for preparation of large grain ammonium sulphate |
| 11/08/1995 | CN1111223A Copper-washing ammonification process for use in nitrogen fertilizer plant |
| 09/27/1995 | CN1109038A Durable potentiating agent for nitrogen fertilizer |
| 09/20/1995 | CN1108744A Heat generation process and plant with absorbent regeneration and production of a fertilizing agent |
| 08/08/1995 | US5439497 Utilization of low-quality ammonium sulfates |
| 06/07/1995 | CN1028764C Method and apparatus for removal of carbon dioxide by partial desorption from carbonized mother liquor |
| 05/13/1995 | CA2135579A1 Solid fertilizer with a modifier bound to its surfaces |
| 04/26/1995 | EP0649674A1 Heat generation process and installation with adsorbent regeneration producing a fertilizer |
| 03/28/1995 | US5401480 Reaction of sulfur oxides with ammonia to produce ammonium sulfate |
| 02/28/1995 | CA1334561C Granular ammonium sulfate and process for the production thereof |
| 02/01/1995 | CN1098079A Method for producing mixed fertilizer of potassium ammonium sulfate |
| 01/24/1995 | US5384106 Method for removing pollutants from a gas stream using a fractional condensing heat exchanger |
| 01/24/1995 | US5383951 Production of granular ammonium sulphate using stripped zinc electrolyte as a granulating aid |
| 01/19/1995 | WO1995001943A1 Method for increasing crop yield |
| 12/07/1994 | EP0386043B1 Granular ammonium sulphate and process for the production thereof |
| 11/17/1994 | DE4314328C1 Method for controlling undesired plants in cultivated and uncultivated land |
| 11/16/1994 | CN1095055A Process for producing potassium sulfate and ammonium chloride by ardealite conversion method |
| 11/15/1994 | US5364439 Method to treat geothermal fluid streams |
| 09/14/1994 | CN1091995A Ammonia-Limestone scrubbing with by-product for use in agriculture |
| 09/09/1994 | CA2117145A1 Ammonia-limestone scrubbing with by-product for use in agriculture |
| 08/17/1994 | CN1025671C Long-acting ammonium bicarbonate and its preparation method |
| 07/27/1994 | CN1089932A Granulated ammonium bicarbonate complex mixed fertilizer production method |
| 07/19/1994 | US5330552 Applying a granular fertilizer of urea and ammonium sulfate to rice plants |
| 06/29/1994 | EP0603684A1 Process for treating liquid manure |
| 05/11/1994 | EP0595902A1 Fertiliser |
| 04/21/1994 | DE4234909A1 Strengthening and conditioning of granulated ammonium sulphate with improved storage properties - by coating the granulate with dicyandiamide, calcium stearate, polyvinyl alcohol, glues and 2-methylstyrene-maleic anhydride copolymers |
| 04/19/1994 | US5303503 Irrigation and fertilization system |
| 02/09/1994 | CN2155372Y internal element of ammonia synthetic tower for use in small nitrogen fertilizer plants |
| 02/02/1994 | CN1081434A High effiency fertilizer of ammonium bicarbonate and its prodn. method |
| 12/28/1993 | US5273727 Flue gas purification and production of dry ammonium bisulfites and bisulfates |
| 11/11/1993 | WO1993022032A1 Method to treat geothermal fluid streams |
| 10/27/1993 | CN1077705A Stable ammonium carbonate compound fertilizer and producing method thereof |
| 10/27/1993 | CN1077704A Method and apparatus for treatment of animal dung, manure pit and sewage |
| 09/30/1993 | DE4222362C1 Supplying nitrogen and carbon to plants - comprises leading ammonia gas and carbon di:oxide into gas into water to be used for watering plants |
| 09/15/1993 | EP0559858A1 Method and installation for processing animal excrement and liquid manure. |
| 09/15/1993 | CN1076183A Desorption process for partially removing CO2 from carbonized mother liquid and apparatus thereof |
| 08/11/1993 | CN1075132A Carbonizing technology for production of agricultural ammonium bicarbonate |
| 06/09/1993 | EP0308505B1 Method and device for flue gas treatment by irradiation with electron beams |
| 03/25/1993 | DE4131296A1 Verfahren und apparatur zur aufbereitung von tierexkrementen, guelle und jauche Method and apparatus for treatment of animal excrement, liquid manure |
| 03/24/1993 | CN1020155C Method for producing ammonium sulphate |
| 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 |
| 03/03/1993 | CN1069481A Powdered ammonium-carbon additive producing method |
| 03/03/1993 | CN1019948C Method of inhibiting adhesion of by-producct inside duct in treatment of waste gas by electron beam irradiation |
| 02/11/1993 | DE4126808A1 Granulated ammonium sulphate prepn. with improved storage, transport etc. - by adding mixt. contg. urea, blue clay and disperse silica or PVA to crystalline ammonium sulphate before granulation |
| 02/11/1993 | DE4126807A1 Elevation of grain strength of ammonium sulphate granules - by addn. of a urea-formaldehyde precondensate in powdered from |
| 02/11/1993 | DE4126806A1 Granulated ammonium sulphate prepn. with better storage properties - by addn. of dicyandiamide and/or oligomeric caprolactam |
| 02/11/1993 | DE4126805A1 Granulated ammonium sulphate prepn. with improved storage properties - by addn. of hexa methylene tetramine and/or methyl cellulose prior to granulation |
| 02/11/1993 | DE4126804A1 Storable, granulated ammonim sulphate fertiliser prepn. - by adding starch (deriv.) to crystalline ammonium sulphate prior to granulation |
| 02/11/1993 | DE4126803A1 Granulated ammonium sulphate prodn. for use as fertiliser - by addn. of propene-maleic anhydride to crystallise ammonium sulphate prior to granulation |
| 02/11/1993 | DE4126802A1 Granulated ammonium sulphate prep. with improved spreading properties - by addn. of clay followed by thermal treatment, or by addn. of silicon di:oxide |
| 02/11/1993 | DE4126801A1 Storable, granulated ammonium sulphate fertiliser prepn. - by adding of a urea deriv. to crystalline ammonium sulphate |
| 02/04/1993 | WO1993002023A1 Fertiliser |
| 12/22/1992 | US5173157 Method for processing residual fixing-baths |
| 11/18/1992 | CN1066261A Surpassing urea |
| 10/27/1992 | CA1309269C Process for producing fertilizer granules |
| 09/16/1992 | CN1064459A Method for comprehensive utilization of sodium sulfate containing chromium |
| 08/12/1992 | CN1063478A Mixed and composite granular fertilizer of ammonium carbonate and its process of production |
| 08/04/1992 | US5135561 Mixing water, base, gelling agent, ammonium sulfate; storing for further mixing with urea and/or ammonium nitrate to form fertilizer solution |
| 06/09/1992 | US5120345 Spraying urea solution to ammonium sulphate particles |
| 05/21/1992 | DE4036812A1 Removal of ammonia from aq. solns. from liq. manure work up - by reacting aq. solns. of nitrogen cpds. with high mol. acids, but sepg. the reactants with semipermeable membrane |
| 03/31/1992 | US5100634 Scrubbing with ammonium sulfite to remove sulfur oxides, reacting nitrogen oxides with ferrous EDTA chelate |
| 03/01/1992 | WO1992004302A1 Guanidine as a nitrogen fertilizer |
| 01/07/1992 | US5078779 Mixture of reactive carbonate, sulfate and water dispersant |
| 12/04/1991 | EP0459184A2 Obtaining ammonia water |
| 09/26/1991 | DE4008763A1 Urea-potassium fertiliser complex prepn. - by heating mixt. of urea, potassium chloride, ammonium sulphate and water in two stages, cooling and comminuting |
| 07/24/1991 | CN1053225A Long-acting ammonium bicarbonate and its preparation method |
| 07/11/1991 | DE4000509A1 Treatment of waste liq. rich in ammonia - by neutralisation with strong acid and concentrating under reduced pressure to produce colourless, almost odourless slurry |
| 06/26/1991 | EP0434107A1 Method for processing residual fixing-baths |
| 06/04/1991 | CA1284590C Plant food and method for its use |
| 05/29/1991 | CN1051711A Process for preparation of large grain ammonium sulfate |
| 05/28/1991 | US5019148 Dustless plant and animal feeds; shearing, comminution, adhesion |
| 05/14/1991 | US5015443 Pollution control for waste gases, irradiation with electron beams |
| 03/27/1991 | CN1050178A Synergistic ammonium bicarbonate and the making method thereof |
| 03/26/1991 | CA1281911C Method of producing fertilizer granules containing urea and ammonium sulphate, and similar granules |
| 03/20/1991 | EP0386043A4 Granular ammonium sulphate and process for the production thereof |
| 03/06/1991 | CN1011892B Method for producing fertilizer granules containing urea and ammounium sulphate |
| 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 |
| 10/09/1990 | US4961830 Feeding gas from reactor at specific velocity |
| 09/27/1990 | DE3909587A1 Nitrogen fertilizer based on calcium cyanamide |
| 09/12/1990 | EP0386043A1 Granular ammonium sulphate and process for the production thereof. |
| 08/29/1990 | CN1009357B Technology for processing dilute ammonia water in ammonium bicarbonate production |
| 08/14/1990 | CA1272613A1 Use of ammonium syngenite as a slow-acting nitrogen fertilizer |
| 07/24/1990 | US4943308 Thickening aqueous solution, fluidized beds |
| 07/11/1990 | EP0377476A1 Method of purifying air containing ammonia and device to be used thereby |