Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4977059 | Sulfonated-ethylene oxide dispersants for use in preparing amine-formaldehyde microcapsules | Rong-Chang Liang, William H. Simpson, Kenneth P. Carpenter | 1990-12-11 |
| 4910115 | Light-sensitive polymerizable compositions containing silver compounds | William H. Simpson | 1990-03-20 |
| 4910118 | Method and photosensitive material for forming metal patterns employing microcapsules | Paul C. Adair, James A. Dowler | 1990-03-20 |