Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877829 | Liquid coatings for bridge deckings and the like | Timothy J. Martin, Andrew M. Gillanders, Bassam Sbaiti | 1989-10-31 |
| 4859735 | Castor oil based polyurethane for bridge deckings and related applications | — | 1989-08-22 |
| 4855185 | Polyurethane coatings for bridge deckings and the like | Susan P. Buxbaum, Norman Blank, Richard C. Hartwig | 1989-08-08 |
| 4804734 | Polyurethane composition consisting essentially of a polyether diol, a polyether triol, glycerol, and a polyisocyanate | Richard C. Hartwig | 1989-02-14 |