Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5026745 | Biodeteriable plastics and blends | — | 1991-06-25 |
| 4824736 | Gasoline tank of tin-free (electroplate chrome-chrome oxide coated) steel coated with a maleic anhydride modified polypropylene | Raymond J. Ehrig | 1989-04-25 |
| 4707524 | Controlled-rheology polypropylene | Raymond J. Ehrig | 1987-11-17 |
| 4230835 | Method of removing polybutadiene gels from solutions | — | 1980-10-28 |