Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865759 | Dry peracid based bleaching product | Thomas S. Coyne, Daniel H. Klapprott, Eric A. Lutkin, Ute H. Riggin, Dale S. Steichen +1 more | 1989-09-12 |
| 4863626 | Encapsulated enzyme in dry bleach composition | Thomas S. Coyne, J. Bruce England, Blanca L. Haendler, Dale S. Steichen | 1989-09-05 |
| 4858758 | Oxidant bleach, container and fragrancing means therefor | G. Edward Campbell, Dale S. Steichen | 1989-08-22 |
| 4842757 | Thickened liquid, improved stability abrasive cleanser | Paul F. Reboa, Clement K. Choy | 1989-06-27 |