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Inventor: Burnell; James R.
Address: Killen, AL
No. of patents: 2
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| T998001 |
Production of urea-ammonium polyphosphates from urea phosphate |
September 2, 1980 |
| A batch process is disclosed for the production of relatively pure urea ammonium polyphosphate liquid fertilizers from crystalline urea phosphate made from wet-process acid and urea. Initially, crystalline urea phosphate is fed to a tank where it is combined with previously produced liqu |
| 4292067 |
Production of urea-ammonium polyphosphates from urea phosphate |
September 29, 1981 |
| Crystalline urea phosphate mixed with sufficient quantities of previously produced urea-ammonium polyphosphate liquid to provide fluidity is pyrolyzed batchwise in one stage to give molten urea ammonium polyphosphate containing up to 50 percent of the phosphate as polyphosphate. Wate |
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