Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6569953 | Phenolic resin polyols and polymers derived from the polyols | David C. Dehm, Alan K. Randall, Mark Allen Peters | 2003-05-27 |
| 6559203 | Foundry binder systems containing an alkyl resorcinol and their use | Heimo J. Langer, Ken K. Chang, Thomas E. Dando | 2003-05-06 |