Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6521208 | Process for preparing a modified zeolite | David Allen Cooper, William E. Cormier, Richard J. Hinchey, Bonita K. Marcus | 2003-02-18 |
| 5601798 | Process for preparing zeolite Y with increased mesopore volume | David Allen Cooper, Thomas W. Hastings | 1997-02-11 |
| 5242677 | Stable zeolite of low unit cell constant and method of making same | David Allen Cooper, Raymond P. Denkewicz, Jr. | 1993-09-07 |
| 5073668 | Process for the dealumination and ion exchange of zeolites | Brendan Dermot Murray, Gary M. Pasquale, Bruce H. C. Winquist | 1991-12-17 |
| 4626550 | Zeolite for personal care products | — | 1986-12-02 |
| 4613578 | Porous zeolite granules stable in aqueous solutions | — | 1986-09-23 |
| 4563441 | Composition for treating beer to prevent chill haze and metal contamination | John McLaughlin | 1986-01-07 |
| 4508742 | Treating beer to prevent chill haze and metal contamination | John McLaughlin | 1985-04-02 |
| 4362715 | Cosmetic vehicle | Sabbat J. Strianse, Howard S. Sherry | 1982-12-07 |
| 4349533 | Toothpaste containing pH-adjusted zeolite | Anthony L. Dent, Howard S. Sherry | 1982-09-14 |
| 4346071 | Rehydrated silica gel dentifrice abrasive | Anthony L. Dent, M. Robert Derolf | 1982-08-24 |
| 4243545 | Detergent compositions with silane-zeolite silicate builder | Thomas C. Campbell, Howard S. Sherry | 1981-01-06 |
| 4216125 | Detergent compositions with silane-zeolite silicate builder | Thomas C. Campbell, Howard S. Sherry | 1980-08-05 |