Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5470945 | Thermally reversible isocyanate-based polymers | Richard A. Markle, George E. Cremeans, Joel D. Elhard, Donald M. Bigg, Sylvester Sowell | 1995-11-28 |
| 5387667 | Thermally-reversible isocyanate-based polymers | Richard A. Markle, Joel D. Elhard, Donald M. Bigg, Sylvester Sowell, George E. Cremeans | 1995-02-07 |
| 5097010 | Thermally-reversible isocyanate polymers | Richard A. Markle, George E. Cremeans | 1992-03-17 |
| 4943460 | Process for coating polymer surfaces and coated products produced using such process | Richard A. Markle, John H. Baker | 1990-07-24 |
| 4904749 | Preparation of PHEMA by precipitation/suspension polymerization | Richard A. Markle | 1990-02-27 |
| 4618707 | Preparation of menthane diisocyanate by addition of isocyanic acid to terpinyl monoisocyanates | Robert A. Grimm, Jai H. Kyung, Joseph G. Holehouse, Biau-Hung Chang | 1986-10-21 |
| 4374268 | Catalytic oxydehydrogenation process | Chelliah Daniel | 1983-02-15 |
| 4372934 | Production of isocyanic acid | Jai H. Kyung | 1983-02-08 |
| 4299980 | Catalytic oxydehydrogenation process | Chelliah Daniel | 1981-11-10 |