Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829133 | Sulfide containing aliphatic epoxy resins | Robert E. Hefner, Jr. | 1989-05-09 |
| 4816546 | Mixed epoxy resins comprising sulfide containing aliphatic epoxy resins | Robert E. Hefner, Jr. | 1989-03-28 |
| 4798761 | Epoxy resin compositions for use in low temperature curing applications | Paul M. Puckett | 1989-01-17 |