Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882384 | Modified block copolymers | Steven S. Chin | 1989-11-21 |
| 4868243 | High impact resistant blends of thermoplastic polyesters and modified block copolymers | Richard Gelles, Michael J. Modic | 1989-09-19 |
| 4868245 | Modified block copolymers having carboxyl groups grafted on the alkenyl arene blocks | Lorelle A. Pottick, William P. Gergen, Robert G. Lutz | 1989-09-19 |
| 4851474 | Block copolymer and method of preparing same | — | 1989-07-25 |
| 4851476 | Functionalized polymers and process for modifying unsaturated polymers | — | 1989-07-25 |