Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5458974 | Microencapsulated composition containing solvent including triisopropyylbiphenyl | Harold W. Earhart, Gregory R. Hahn | 1995-10-17 |
| 5318940 | Carbonless paper solvent comprising diisopropylbiphenyl and triisopropylbiphenyl and products utilizing same | Harold W. Earhart, Gregory R. Hahn | 1994-06-07 |