| Patents for C05C 13 - Mixtures of nitrogenous fertilisers covered by more than one of main groups (292) |
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| 04/21/1998 | US5741345 Combination of active ingredients for inhibiting or controlling ammonia nitrification in arable topsoil and subsoil |
| 02/10/1998 | US5716591 Process for producing calcium nitrate-urea adduct |
| 08/13/1997 | EP0607363B1 Apparatus and process for coating particles |
| 07/15/1997 | US5647885 Method of complex providing user with mineral salts and/or fertilizers, and system for effecting same |
| 05/07/1997 | CN1149285A Combination of active substances for inhibiting or regulating nitrification |
| 01/28/1997 | US5597400 Methods and compositions for enhancing carbon fixation in plants |
| 12/11/1996 | EP0746537A1 Combination of active substances for inhibiting or regulating nitrification |
| 12/11/1996 | EP0746536A1 Combinations of active substances for inhibiting or regulating nitrification of ammoniacal nitrogen in arable lands or substrates |
| 12/11/1996 | EP0746535A1 Chemicals crystallisation process |
| 08/20/1996 | US5547486 Machine system and process for producing attrition resistant slow release fertilizers |
| 06/27/1996 | WO1996019421A1 Chemicals crystallisation process |
| 06/27/1996 | CA2183774A1 Chemicals crystallisation process |
| 04/03/1996 | EP0671373A4 Means for obtaining mineral salts and/or fertilizers, their transportation and storage. |
| 11/22/1995 | CN1111932A Methods and compositions for enhancing carbon fixation in plants |
| 09/13/1995 | EP0671373A1 Means for obtaining mineral salts and/or fertilizers, their transportation and storage |
| 09/12/1995 | CA2006751C Homogeneous granular nitrogen fertilizer |
| 08/24/1995 | WO1995022515A1 Combination of active substances for inhibiting or regulating nitrification |
| 08/24/1995 | WO1995022514A1 Combinations of active substances for inhibiting or regulating nitrification of ammoniacal nitrogen in arable lands or substrates |
| 08/24/1995 | DE4405393A1 Wirkstoffkombinationen zur Hemmung bzw. Regelung der Nitrifikation von Ammoniumstickstoff in Kulturböden und Substraten Drug combinations for inhibiting or controlling nitrification of ammonium nitrogen in cultivated soils and substrates |
| 07/05/1995 | EP0645962A4 Methods and compositions for enhancing carbon fixation in plants. |
| 04/05/1995 | EP0645962A1 Methods and compositions for enhancing carbon fixation in plants |
| 03/21/1995 | US5399186 Coated fertilizer particles |
| 03/07/1995 | US5395449 Apparatus and process for coating particles |
| 03/01/1995 | CN1099371A Fertilizer composition comprising dispersions or solutions of nutrient compounds |
| 01/31/1995 | US5385596 Treating of agricultural soil |
| 12/20/1994 | US5374292 Machine system and process for producing attrition resistant slow release fertilizers |
| 09/21/1994 | CN1092398A Foliar application fertilizer for growing of mulberry |
| 08/10/1994 | CN1090565A Foliar application fertilizer |
| 07/26/1994 | CA1330885C Nitrogen fertilizer |
| 07/06/1994 | EP0604720A1 Process for the elimination of ammonia from the vapours generated during treatment of proteins or of their degradation products |
| 06/01/1994 | DE4240152C1 Ammonia removal from waste steam from protein treatment - by scrubbing with soln. contg. nitric acid and ammonium nitrate |
| 03/31/1994 | WO1994006729A1 Means for obtaining mineral salts and/or fertilizers, their transportation and storage |
| 01/06/1994 | WO1994000009A1 Methods and compositions for enhancing carbon fixation in plants |
| 01/06/1994 | CA2137376A1 Methods and compositions for enhancing carbon fixation in plants |
| 09/01/1993 | EP0557568A1 Fertilizer composition comprising dispersions or solutions of nutrient compounds and method for its manufacture |
| 08/04/1993 | EP0553921A1 Improved process for producing calcium nitrate-urea adduct |
| 05/18/1993 | US5211985 Spray coating fertilizers |
| 04/15/1993 | WO1993006941A1 Apparatus and process for coating particles |
| 10/27/1992 | CA1309269C Process for producing fertilizer granules |
| 08/05/1992 | CN1017701B Non-deliquescent rare earth microelement fertilizer and preparation thereof |
| 06/09/1992 | US5120345 Spraying urea solution to ammonium sulphate particles |
| 05/20/1992 | CN1016683B Binder for granulated compound fertilizer and its production technology and equipment |
| 04/29/1992 | CN1016415B Process for treating by-product of radiation treatment of ammonia-added effluent gas |
| 01/21/1992 | US5082487 Solutions of ammonium sulfate, ammonium nitrate and urea, with high nitrogen and sulfur content, having low salt-out temperatures |
| 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 |
| 08/13/1991 | US5039328 Process for producing a granular slow-acting nitrogenous fertilizer |
| 07/23/1991 | CA1286516C Method of stimulating the growth and health of useful plants |
| 06/18/1991 | US5024689 Applying sustained release solution containing ammonium nitrate, urea, dicyandiamide, ammonium thiosulfate, phosphates |
| 05/22/1991 | CN1051545A Non-deliquescent rare earth microelement fertiliaer and preparation thereof |
| 03/26/1991 | CA1281911C Method of producing fertilizer granules containing urea and ammonium sulphate, and similar granules |
| 03/06/1991 | CN1011892B Method for producing fertilizer granules containing urea and ammounium sulphate |
| 02/19/1991 | US4994100 Homogeneous granular nitrogen fertilizer |
| 08/28/1990 | US4952231 Process for treating product of radiation treatment of ammonia-added effluent gas |
| 07/24/1990 | US4943308 Thickening aqueous solution, fluidized beds |
| 07/04/1990 | EP0376853A1 Homogeneous granular nitrogen fertilizer |
| 03/01/1990 | DE3826873A1 Process for the preparation of fertiliser from impregnated (saturated) used paper shreds |
| 08/08/1989 | CA1258189A1 Triazone fertilizer and method of making |
| 12/14/1988 | CN88102543A Binder for granulated compound fertilizer and its production technology and equipment |
| 11/02/1988 | EP0289074A1 A process for producing fertilizer granules |
| 11/02/1988 | CN88102293A Process for producing fertilizer granules |
| 08/16/1988 | US4764200 Application of finely divided dicyanodiamide onto ammonium-containing and sulfate-containing fertilizers |
| 08/09/1988 | US4762546 From ammonium sulfate and urea or ammonium nitrate |
| 07/13/1988 | CN87107407A Process for treating by-product of radiation treatment of ammonia-added effluent gas |
| 06/01/1988 | EP0269060A2 Process for treating by-product of radiation treatment of ammonia-added effluent gas |
| 05/04/1988 | CN85104656B 用于在土壤中保持氮的组合物配方和土壤的处理方法 Processing methods to keep nitrogen in the soil and soil composition formula for |
| 09/16/1987 | EP0236988A2 Process for stimulating the growth and the health of crops |
| 07/29/1987 | EP0230299A1 Process for the application of fine-grained dicyandiamide powder onto fertilizers containing ammonium and sulphate groups |
| 05/27/1987 | EP0223276A1 A method of producing fertilizer granules containing urea and ammonium sulphate |
| 04/15/1987 | CN86106555A Method of producing fertilizer granules containing urea and ammounium sulphate and similar granules |
| 12/24/1986 | CN85104656A Soil treating method and composition for conserving nitrogen in soil |
| 12/10/1986 | CN85104430A Soil treating method and composition for conserving nitrogen in soil |
| 01/02/1986 | EP0166421A2 Soil treating method and composition for conserving nitrogen in soil |
| 06/18/1985 | US4523940 Soil treating method and composition for conserving nitrogen in soil |
| 06/04/1985 | CA1188124A1 Fertilizer compositions, processes of making them, and processes of using them |
| 02/19/1985 | US4500336 Process for making granules containing urea as the main component |
| 09/04/1984 | US4469502 Ion exchanger fertilizers and a process for supplying plants with nutrients uniformly and over a long period of time |
| 09/04/1984 | CA1173660A1 Process for making granules containing urea as the main component |
| 03/27/1984 | US4439223 Production of urea-ammonium nitrate suspension fertilizer |
| 12/07/1983 | EP0095624A2 Ion-exchange fertiliser, and process for a long duration, regular plant nutrient administration to plants |
| 11/08/1983 | CA1156673A1 Compounds and compositions and methods of treating soil to suppress the nitrification of ammonium nitrogen therein |
| 08/17/1982 | CA1129667A1 Fertilizer solutions containing sulfur and having low crystallization temperature |
| 03/02/1982 | US4317672 Impregnating with a fertilizer and an alpha-methyl-alpha/2,2,2-trichloroethyl/benzyl alcohol or ester |
| 01/05/1982 | US4309206 Process for the production of odorless prilled urea-dicyandiamide fertilizers |
| 11/10/1981 | CA1112070A1 Storage-stable nitrogen-zinc foliar spray compositions |
| 01/28/1981 | EP0023087A1 Method and product for treating soil to suppress the nitrification of ammonium nitrogen therein |
| 12/16/1980 | US4239522 Ammonium nitrate, urea, ammonium sulfate |
| 10/28/1980 | US4230479 Neutralization of ammonia with nitric acid |
| 10/09/1979 | CA1063778A1 Method of pan granulation |
| 08/29/1978 | CA1037278A1 Inhibition of corrosive action of zinc-containing fertilizer solutions |
| 02/15/1977 | US4008064 Method of pan granulation |
| 05/04/1976 | US3954436 Reactive tenside soil conditioners |
| 01/06/1976 | US3930832 Inhibition of corrosive action of zinc-containing fertilizer solutions |