Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5296002 | Rhombohedral calcium carbonate and accelerated heat-aging process for the production thereof | — | 1994-03-22 |
| 5269818 | Rhombohedral calcium carbonate and accelerated heat-aging process for the production thereof | Charles J. Kunesh | 1993-12-14 |
| 5227025 | Rhombohedral calcium carbonate and accelerated heat-aging process for the production thereof | Charles J. Kunesh | 1993-07-13 |
| 5215734 | Rhombohedral calcium carbonate and accelerated heat-aging process for the production thereof | Charles J. Kunesh | 1993-06-01 |
| 5156719 | Acid-stabilized calcium carbonate, process for its production and method for its use in the manufacture of acidic paper | — | 1992-10-20 |
| 5043017 | Acid-stabilized calcium carbonate, process for its production and method for its use in the manufacture of acidic paper | — | 1991-08-27 |