Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5744055 | Stable monopersulfate triple salt and its method of preparation | William A. Hills, James L. Manganaro, Dean S. Thorp | 1998-04-28 |
| 5662840 | Process for making gel microbeads | William R. Thomas, Henry A. Pfeffer, Christopher J. Sewall, Stephen Tomko | 1997-09-02 |
| 5328721 | Process for manufacturing sodium carbonate perhydrate particles and coating them with sodium borosilicate | William A. Hills, Charles V. Juelke | 1994-07-12 |
| 5194176 | Peroxygen laundry bleach | William C. Copenhafer, William A. Hills, Charles V. Juekle, Stephen Tomko | 1993-03-16 |
| 4294962 | Continuous process for the manufacture of cyanuric acid | Elizabeth A. Bagnall, Henry A. Pfeffer | 1981-10-13 |
| 4282359 | Purification of cyanuric acid | Henry A. Pfeffer, Andrew D. Kurtz | 1981-08-04 |
| 4275202 | Production of a purified cyanuric acid dihydrate | Richard E. Hall | 1981-06-23 |