| Patents for C05B 7 - Fertilisers based essentially on alkali or ammonium orthophosphates (1,275) |
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| 03/10/1993 | EP0530409A1 Production of low-chloride alkali metal phosphates |
| 12/09/1992 | CN2124062U Turbulent type neutralizer |
| 11/04/1992 | CN1018915B Process for preparing chlorine-free high-k compound fertilizer |
| 11/04/1992 | CN1018914B Preparation method of chlorine-free high-potash complex fertilizer |
| 09/30/1992 | CN1064858A Wet process for combined production of fertilizer grade and pure ammoniwn phosphate with phosphric acid |
| 08/19/1992 | CN1017874B Pipe reactor |
| 07/02/1992 | DE4142919A1 Drying of salts for fire extinguisher powder production |
| 06/24/1992 | CN1017143B Granular compound fertilizer of ammonium chloride series |
| 05/19/1992 | US5114460 Production of low-chloride alkali metal phosphates |
| 05/06/1992 | CN2103555U Neutralization and consentration integrated device for producing ammonium phosphate |
| 03/31/1992 | US5100630 Water powered magneto generator for the production of nitrogen and phosphorus fertilizer apparatus |
| 11/27/1991 | CN1056484A Process for preparing chlorine-free high-k compound fertilizer |
| 11/06/1991 | CN1055912A Process for production of granulated di-ammonium phosphate containing fertilizer |
| 10/17/1991 | WO1991015424A1 Method for producing alkali metal phosphate |
| 10/08/1991 | US5055124 Removing hydrogen chloride by-product using two-step air and steam stripping |
| 10/02/1991 | CN1054966A Fertilizer composition for crops foliage spraying and process thereof |
| 10/02/1991 | CN1054964A Process for making ammonium phosphate from ammonium bicarbonate |
| 09/17/1991 | US5049180 High-analysis acid-type fertilizer solutions |
| 09/10/1991 | US5047078 Phosphate fertilizer and antiscaling agents |
| 08/20/1991 | CA1287744C Method and compositions for increasing plant growth |
| 08/14/1991 | CN2082722U Phosphorus ammonium boiling granulation drying tower of material slurry method |
| 08/14/1991 | CN1013490B Improved pipe reactor for the mfr. of ammonium phosphates containing ammonium sulfate |
| 07/30/1991 | US5035872 Reaction of calcium dihydrogen phosphate with potassium sulfate and magnesium oxide or hydroxide |
| 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 |
| 06/11/1991 | US5022913 Stabilized ammonium orthophosphate suspensions |
| 03/05/1991 | CA1280908C High nutrient value liquid fertilizer |
| 11/07/1990 | EP0396043A2 Method for the production of potassium magnesium phosphate |
| 11/06/1990 | US4968499 Conversion of precipitator dust into phosphorus furnace feedstock |
| 06/12/1990 | US4932993 Batch production of suspension fertilizers using lignosulfonate |
| 05/16/1990 | EP0367849A1 A process for the production of granulated di-ammonium phosphate containing fertilizer |
| 04/18/1990 | EP0363612A1 Process for removal of waste waters with a high concentration of ammoniacal nitrogen |
| 01/17/1990 | CN1038804A Granular compound fertilizer of ammonium chloride series |
| 01/10/1990 | CN1038633A Preparation method of chlorine-free high-potash complex fertilizer |
| 10/10/1989 | US4873084 Insecticidal composition |
| 09/19/1989 | US4867930 Priller method |
| 08/02/1989 | EP0325887A1 Production of fertilizer NP and NPK with NP slurry process achieving increased percentage of water solubility |
| 05/23/1989 | US4832735 High nutrient value liquid fertilizer |
| 10/12/1988 | CN85100516B Manufacture technology of upgraded ammonium bicarbonate by phosphate addition |
| 08/24/1988 | CN87107537A Improved pipe reactor for the mfr. of ammonium phosphates containing ammonium sulfate |
| 08/23/1988 | US4765822 Treating fluosilic acid with ammonia or sodium hydroxide or sodium carbonate; fertilizers |
| 07/20/1988 | CN87107538A New pipe reactor |
| 07/19/1988 | US4758261 From weak phosphoric acid and aqueous ammonia solutions in in scrubber |
| 06/29/1988 | EP0272974A2 Process of neutralisation of acids by ammoniac |
| 06/22/1988 | EP0272183A1 Production of ammonium phosphates containing ammonium sulphate |
| 01/26/1988 | US4721519 Stable ammonium polyphosphate liquid fertilizer from merchant grade phosphoric acid |
| 12/15/1987 | CA1230237A1 Solid composition of complex organo-mineral fertilizer and process for preparing it |
| 09/23/1987 | EP0237775A2 Stable ammonium Polyphosphate liquid fertilizer from merchant grade phosphoric acid |
| 07/22/1987 | EP0229535A2 High nutrient value liquid fertilizer |
| 07/08/1987 | EP0227884A2 Process for producing liquid fertilisers in high-concentration solution, and the fertilisers obtainable by the process. |
| 06/02/1987 | CA1222367A1 Method of producing di-ammonium phosphate fertilizer |
| 05/05/1987 | US4662929 Method for recovering nutrients from the flue gases of a fertilizer plant |
| 03/24/1987 | US4652295 Fertilizer manufacture |
| 01/14/1987 | CN85104948A Production of solid ammonium phosphate from low and medium grade phosphorus ore |
| 12/30/1986 | EP0205593A1 Liquid phosphate plant nutrient compositons and method of preparation thereof |
| 12/03/1986 | EP0203734A1 Methods and compositions for increasing plant growth |
| 11/18/1986 | US4623528 Recovery of fluorine from waste gases |
| 10/28/1986 | US4619684 Pressure reactor for producing diammonium phosphate |
| 09/23/1986 | US4613494 Fertilizer, air pollution control |
| 08/05/1986 | US4604126 NP/NPK fertilizer granules comprised of ammonium phosphate |
| 07/17/1986 | WO1986004053A1 Liquid phosphate plant nutrient compositons and method of preparation thereof |
| 07/02/1986 | CN85100516A Manufacture technology of upgraded ammonium bicarbonate by phosphate addition |
| 07/02/1986 | CN85100476A High mg-containing granulous ammonium phosphate |
| 06/10/1986 | US4594090 Mixing sulfuric acid, diammonium phosphate and urea in aqueous solution |
| 06/03/1986 | US4592771 Hot exhaust gases are used to vaporize ammonia |
| 04/15/1986 | US4582524 Non-caking granular mineral fertilizer and process for its production |
| 03/18/1986 | US4576627 Method of providing fertilizer from brines |
| 02/10/1986 | CN85101008A Wrapped fertilizer and its manufacture |
| 01/02/1986 | EP0166419A2 Soil treating method and composition for conserving nitrogen in soil |
| 10/30/1985 | EP0159615A2 New, permanent flame retardant and anti-smouldering compositions |
| 08/27/1985 | CA1192413A1 Process for manufacturing granular compound fertilizers |
| 07/30/1985 | US4531962 High-analysis in situ partially ammoniated liquid fertilizer solution which is reaction product of urea, phosphoric acid, commercial nitrogen solution |
| 06/25/1985 | US4525197 Fertilizer |
| 06/11/1985 | US4522642 Soil treating method and composition for conserving nitrogen in soil |
| 04/30/1985 | US4514326 Mixture of ammonium pentaborate and an alkali or alkalin sulfate, sulfite and/or hydrophosphate; cellulose insulation |
| 04/16/1985 | US4511388 Production of high-analysis ammonium orthophosphate suspension fertilizers by a new batch-type process |
| 03/19/1985 | US4505733 Process for producing liquid combined fertilizers |
| 03/12/1985 | US4504546 Method for flame retarding material with ammoniumtriborate |
| 01/15/1985 | US4493820 Clarification of scrubbing liquid |
| 12/11/1984 | CA1179163A1 Method for the manufcture of solid particles, namely np/npk fertiliser granules containing ammonum phosphate |
| 04/10/1984 | US4442081 Process for producing a stabilized phosphoric acid |
| 03/06/1984 | US4435370 Alkali fluosilicate intermediate |
| 01/03/1984 | CA1159665A1 Noncaking mineral fertiliser and the production thereof |
| 12/13/1983 | US4420321 Process for removal of carbon black floc associated with wet-process phosphoric acid in the production of fertilizers |
| 08/16/1983 | US4398936 Process for the preparation of a granular NPK fertilizer and granular NPK fertilizers obtained by this process |
| 05/17/1983 | US4383846 Stabilization of liquid fertilizer compositions |
| 05/03/1983 | US4382025 Reacting alkali metal or alkali earth metal borate with ammonium sulfite in methanol |
| 03/23/1983 | EP0074556A1 Process for recovering a cadmium-free crude phosphoric acid |
| 03/08/1983 | US4375980 Two-stage ammoniation |
| 02/09/1983 | EP0071101A2 Process for the preparation of dust-proof fertilisers containing lime and phosphates |
| 12/28/1982 | US4365988 Fluid-mixing apparatus and method |
| 12/21/1982 | CA1137776A1 Gelated fertilizers, process for their manufacture and their use in plant fertilization |
| 09/07/1982 | US4348424 Cleaning and feeding foliage |
| 09/07/1982 | US4348218 Fertilizer briquette adapted to be hammered into the ground |
| 08/24/1982 | US4345931 Polyglycol ether gelling agent |
| 08/10/1982 | US4343646 Method for producing fertilizer from waste paper |
| 07/27/1982 | US4341739 Phosphoric acid ammoniation apparatus |
| 04/20/1982 | CA1121980A1 Treatment of effluent gases from the manufacture of fertilizer |
| 03/23/1982 | CA1120282A1 Process for the preparation of a granular npk fertilizer and granular npk fertilizers obtained by this process |
| 03/09/1982 | US4318729 Stable liquid N-P-K fertilizer composition and method of use |
| 12/29/1981 | US4308049 Process for the absorption of ammonia in acid solutions or slurries |