Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6676914 | Phosphate acidulation utilizing HF acid | Samuel F. Sweat, Claude E. Breed | 2004-01-13 |
| 6395246 | Preparation of calcium silicate and sulfur dioxide | Samuel F. Sweat, Claude E. Breed | 2002-05-28 |
| 4601891 | Production of granular ammonium polyphosphate from wet-process phosphoric acid | Johnny R. Gamble | 1986-07-22 |
| 4427432 | "Clarification of black ammonium polyphosphate liquids--recycling of byproduct ""tops""" | Horace C. Mann, Jr. | 1984-01-24 |
| 4377406 | Ammonium polyphosphate sulfate fertilizers from wet-process phosphoric acid | Frank P. Achorn | 1983-03-22 |
| T101901 | Ammonium polyphosphate sulfate fertilizers from wet-process phosphoric acid | Frank P. Achorn | 1982-06-01 |
| T100805 | Clarification of black ammonium polyphosphate liquids recycling of byproduct tops | Horace C. Mann, Jr. | 1981-07-07 |
| 4246248 | Simplified batch clarification of liquid ammonium polyphosphate | Eugene B. Wright, Jr. | 1981-01-20 |