Patents per Year
Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4554144 | Removal of magnesium and/or aluminum values from impure aqueous phosphoric acid | — | 1985-11-19 | $25,569,000 |
| 4377560 | Process for producing low aluminum content phosphoric acid from high aluminum matrix | — | 1983-03-22 | $2,633,000 |
| 4220630 | Hemihydrate type process for phosphoric acid manufacture using additive to improve filterability | — | 1980-09-02 | $16,186,000 |