Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6010639 | Controlled release supplemental coolant additive | Kurt D. Heinz, Clifford Alvin Ferrin, Jr., Narender P. Luthra | 2000-01-04 |
| 5741433 | Controlled release supplemental coolant additive | Kurt D. Heinz, Clifford Alvin Ferrin, Jr., Narender P. Luthra | 1998-04-21 |
| 5565303 | Photosensitive printing plate developed by a peel-apart process | Sonya Y. Shaw, David R. Beresford | 1996-10-15 |
| 5066568 | Method of developing negative working photographic elements | Shane Hsieh | 1991-11-19 |
| 4980271 | Developer compositions for lithographic printing plates with benzyl alcohol, potassium toluene sulfonate and sodium (xylene or cumene) sulfonate | Shane Hsieh | 1990-12-25 |
| 4786580 | Method of developing imaged diazo material with propanol containing developer composition | Shane Hsieh | 1988-11-22 |
| 4783395 | Desensitizing solution for lithographic printing plates | Shane Hsieh | 1988-11-08 |
| 4780396 | Organic solvent free developer compositions for lithographic plates having neutral pH comprising a lithium and potassium salt and an anionic surfactant | Shane Hsieh | 1988-10-25 |
| 4728597 | Desensitizing solution for lithographic printing plates | Shane Hsieh | 1988-03-01 |
| 4721532 | Removal of iron fouling in cooling water systems | Vincent Kuhn, Philip R. Engelhardt | 1988-01-26 |
| 4717542 | Inhibiting corrosion of iron base metals | — | 1988-01-05 |
| 4649025 | Anti-corrosion composition | Chih M. Hwa | 1987-03-10 |
| 4592992 | Developer compositions for lithographic plates | Shane Hsieh | 1986-06-03 |