Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5268223 | Toughened fiber-reinforced composites | Shahid P. Qureshi, Richard E. Hoffman | 1993-12-07 |
| 5169710 | Fiber-reinforced composites toughened with porous resin particles | Shahid P. Qureshi, Richard E. Hoffman | 1992-12-08 |
| 5089560 | Exopy resin with aromatic oligomer and rubber particles | Hugh C. Gardner | 1992-02-18 |
| 5087657 | Fiber-reinforced composites toughened with resin particles | Shahid P. Qureshi, Hugh C. Gardner | 1992-02-11 |
| 4977218 | Carboxylated rubber particles as tougheners for fiber reinforced composites | Hugh C. Gardner | 1990-12-11 |
| 4977215 | Carboxylated rubber particles as tougheners for fiber reinforced composites | Hugh C. Gardner | 1990-12-11 |
| 4931496 | Damage tolerant fiber-reinforced composites based on cyanate ester/urea thermosetting composition | Shahid P. Qureshi, Hugh C. Gardner | 1990-06-05 |
| 4918157 | Thermosetting composition comprising cyanate ester, urea compound and epoxy resin | Hugh C. Gardner | 1990-04-17 |
| 4891408 | Epoxy resins based on tetraglycidyl diamines | — | 1990-01-02 |
| 4814414 | Epoxy resins based on tetraglycidyl diamines | — | 1989-03-21 |
| 4804740 | Cyanate ester with urea latent cure accelerator | Hugh C. Gardner | 1989-02-14 |
| 4721799 | Epoxy resins based on tetraglycidyl diamines | — | 1988-01-26 |
| 4680341 | Epoxy resins based on tetraglycidyl diamines | — | 1987-07-14 |