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Inventor: Schweppe; Manfred
Address: Herne, DE
No. of patents: 3
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4505732 |
Solid, water-soluble micronutrient mixtures, their preparation and use |
March 19, 1985 |
| A fertilizer concentrate composition comprising (1) 80-90%, by weight, of water-soluble salts of plant micronutrients, 10-18 mole percent of said salts being in complexed form, and (2) 0.7-1.75%, by weight, of a stabilizer comprising a solid, water-soluble polymer in powder form having |
| 4142885 |
Method of preparing fertilizers with retarded nutrient release |
March 6, 1979 |
| An improved process in the preparation of sustained release fertilizer compositions which comprises subjecting a preponderantly water-soluble granular fertilizer composition first to accretive granulation under accretive granulation conditions with a melt, solution or slurry of one or |
| 4104362 |
Process for the manufacture of ammonium polyphosphate |
August 1, 1978 |
| Ammonium polyphosphate is manufactured on a continuous basis by reacting gaseous ammonia and aqueous phosphoric acid at elevated temperatures in a one or multiple stage falling film reaction zone in the presence of a diluting gas if desired, using wet phosphoric acid, preferably containi |
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