| Patents for C05B 13 - Fertilisers produced by pyrogenic processes from phosphatic materials (253) |
|---|
| 03/22/1983 | US4377406 Ammonium polyphosphate sulfate fertilizers from wet-process phosphoric acid |
| 12/14/1982 | US4363650 Fertilizer material from apatite |
| 11/16/1982 | CA1135524A1 Liquid foliar fertilizer compositions containing water-soluble urea-formaldehyde products |
| 06/29/1982 | US4337079 Ammoniation in a pipe reactor; low temperature storage and handling; crystal growth inhibition |
| 06/22/1982 | US4336053 Fertilizer solutions stabilized with inorganic acids |
| 04/13/1982 | US4324577 Roasting and magnetic separation of tricalcium phosphate |
| 12/29/1981 | US4308048 Fertilizers |
| 12/16/1981 | EP0041504A1 Fertilizer material from apatite. |
| 09/29/1981 | US4292067 Production of urea-ammonium polyphosphates from urea phosphate |
| 09/01/1981 | US4286982 Process of manufacturing stable ammonium polyphosphate fertilizers |
| 07/21/1981 | CA1105283A1 Plant care composition |
| 07/21/1981 | CA1105282A1 Plant treating composition |
| 07/14/1981 | CA1104790A1 Solid ammonium polyphosphate compositions and method for the manufacture thereof |
| 03/19/1981 | WO1981000711A1 Fertilizer material from apatite |
| 02/10/1981 | US4250147 Reactor for preparation of ammonium polyphosphate |
| 01/20/1981 | US4246248 Flocculation to remove particles of black char |
| 12/16/1980 | US4239523 Method for manufacturing phosphatic fertilizers having a high concentration, particularly calcium metaphosphate Ca(PO3)2 |
| 12/02/1980 | US4237106 Production of solid ammonium polyphosphate by controlled cooling |
| 08/12/1980 | US4217128 Production of urea-ammonium polyphosphates from urea phosphate |
| 08/12/1980 | CA1083375A1 Foliar applications of urea-polyphosphate-potassium solutions to crops |
| 07/23/1980 | EP0013307A1 Liquid foliar fertilizer compositions containing water-soluble urea-formaldehyde products |
| 07/08/1980 | US4211546 Process for preparation of ammonium polyphosphate |
| 07/01/1980 | CA1080499A1 Production of mixed fertilizers from crude phosphates |
| 06/17/1980 | CA1079478A1 Fertilizer solutions containing stabilized iron |
| 02/26/1980 | US4190428 Urea-formaldehyde, urea, potassium tripolyphosphate, ferrous sulfate, solid foaming agent, alcohol |
| 02/26/1980 | US4190427 Urea-formaldehyde, urea, potassium tripolyphosphate, isopropyl alcohol, long chain alpha-olefin sulfonate as foaming agent |
| 02/26/1980 | CA1072360A1 Fertilizer |
| 09/11/1979 | US4167406 High temperature decomposition process for producing an alkali-containing calcined phosphate fertilizer |
| 06/19/1979 | US4158558 Potassium polyphosphate fertilizers |
| 06/12/1979 | US4157911 Decarbonization of ammonium polyphosphate fertilizer solutions |
| 03/27/1979 | US4146383 Increases yeild of seeds |
| 01/30/1979 | US4137063 Fertilizers |
| 01/10/1979 | EP0000195A1 Process for treating sludge or ashes, especially clarified sludge sewage or clarified sewage ashes |
| 08/15/1978 | US4106922 Alkaline decomposition process for producing calcined phosphate fertilizer |
| 08/01/1978 | US4104362 From gaseous ammonia and aqueous phosphoric acid, continuous |
| 12/20/1977 | US4063920 Reducing settling rate of post-precipitate in fertilizer solution by chloride addition |
| 11/01/1977 | US4056381 From an iron salt and ammonium polyphosphate |
| 10/04/1977 | US4052167 Heating unit and fertilizer preparation |
| 07/26/1977 | US4038064 Foliar applications of urea-polyphosphate-potassium solutions to crops |
| 04/12/1977 | US4017589 Heating in ammonia atmosphere |
| 03/08/1977 | US4011301 Ammonium phosphate production and the reduction of fluorine and silicon emissions |
| 03/08/1977 | US4011300 Method of producing ammonium polyphosphate |
| 02/15/1977 | US4008065 Mineral phosphates calcined with alkali, potassium pyrophosphate |
| 01/04/1977 | US4001377 Method for producing stabilized ammonium nitrate |
| 10/26/1976 | US3988140 Process for making stable sludge-free ammonium polyphosphate fertilizer solutions |
| 10/12/1976 | US3985537 Process for making calcined alkali phosphates of high citrate solubility for use as fertilizers |
| 09/21/1976 | US3981974 Method for producing an alkali metal pyrophosphate |
| 08/31/1976 | US3978195 Process for the production of substantially water-insoluble linear ammonium polyphosphates |
| 07/13/1976 | US3969483 Removal of carbonaceous matter from ammonium polyphosphate liquids |
| 05/25/1976 | US3958973 Micronutrient metal-containing phosphate glasses |
| 03/02/1976 | US3941896 Ammonium polyphosphates |
| 02/17/1976 | US3939255 Process for production of ammonium polyphosphates |
| 01/06/1976 | US3930833 Micronutrient metal-containing phosphate glasses |