Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7220789 | Talc antiblock compositions and method of preparation | — | 2007-05-22 |
| 7033428 | Acid stabilized calcium carbonate an method of making it | — | 2006-04-25 |
| 6613856 | Bifunctional polymers | Patrick Clinton Wernett | 2003-09-02 |
| 6602385 | Method of improving the brightness of calcium carbonate filled paper | — | 2003-08-05 |
| 6593400 | Talc antiblock compositions and method of preparation | — | 2003-07-15 |
| 6287423 | Paper composition for improved sheet properties | Patrick Clinton Wernett | 2001-09-11 |
| 6228161 | Use of calcium carbonate in an acidic aqueous media | — | 2001-05-08 |
| 6228249 | Electrolytic purification of calcium carbonate | — | 2001-05-08 |
| 6183650 | Synthetic mineral microparticles and retention aid and water treatment systems and methods using such particles | — | 2001-02-06 |
| 6184258 | Synthetic mineral microparticles for retention aid systems | — | 2001-02-06 |
| 6090242 | Method of improvement strength of papers | Patrick Clinton Wernett | 2000-07-18 |
| 6017991 | Polyolefin film composition and resins useable therefore and related making method | Joseph A. Radosta, Donald Richard Deutsch | 2000-01-25 |
| 5989714 | Synthetic mineral microparticles | — | 1999-11-23 |
| 5690897 | Method for purification of calcium carbonate | — | 1997-11-25 |