Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5516831 | Selectively sulfonated block copolymers/extender oils | Carl L. Willis, Richard Gelles | 1996-05-14 |
| H1485 | High impact resistant blends of thermoplastic polyamides and modified | Carl L. Willis | 1995-09-05 |
| H1405 | Epoxy resin composition | Michael J. Modic | 1995-01-03 |
| 5369167 | Melt blending acid or anhydride-grafted block copolymer pellets with epoxy resin | David J. St. Clair | 1994-11-29 |
| 5349015 | Melt blending acid or anhydride-crafted block copolymer pellets with epoxy resin | David J. St. Clair | 1994-09-20 |
| 5239010 | Sulfonated block copolymers | Jaroslav G. Balas, William P. Gergen, Carl L. Willis, Richard Gelles, Robert A. Weiss | 1993-08-24 |
| 5218033 | Functionalized vinyl aromatic/conjugated diolefin block copolymer and salt of fatty acid compositions | Carl L. Willis | 1993-06-08 |
| 5002997 | Modified block copolymer/oil blends | Richard Gelles, Carl L. Willis | 1991-03-26 |
| 4988765 | High impact resistant blends of thermoplastic polyamides and modified diblock copolymers | Carl L. Willis | 1991-01-29 |
| 4983673 | High impact resistant blends of thermoplastic polyamides and modified diblock copolymers | Carl L. Willis | 1991-01-08 |
| 4970254 | Method for hydrogenating functionalized polymer and products thereof | Carl L. Willis, Dan Goodwin | 1990-11-13 |
| H731 | Blends of thermoplastic polymers and modified block copolymers | William P. Gergen, Robert G. Lutz, Carl L. Willis | 1990-02-06 |
| H724 | Blends of thermoplastic polymers and modified block copolymers | William P. Gergen, Robert G. Lutz, Carl L. Willis | 1990-01-02 |
| 4868245 | Modified block copolymers having carboxyl groups grafted on the alkenyl arene blocks | Carl L. Willis, William P. Gergen, Robert G. Lutz | 1989-09-19 |