Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4959481 | Flame retardant compounds and thermoplastic compositions containing the same | Robert J. Axelrod, John A. Tyrell | 1990-09-25 |
| 4743637 | Flame retardant compounds and thermoplastic compositions containing the same | Robert J. Axelrod, John A. Tyrell | 1988-05-10 |
| 4532290 | Stabilized polycarbonate-polyester compositions | Russell J. McCready, John A. Tyrell | 1985-07-30 |
| 4286085 | Process for preparing polycarbonates using substituted pyridine catalysts | Victor Mark, Lawrence C. Mitchell | 1981-08-25 |
| 4277598 | Process for preparing polycarbonates using cyclic amidine catalysts | Walter L. Hall, Victor Mark | 1981-07-07 |
| 4262113 | Process for preparing polycarbonates using amino guanidine or amino amidine catalysts | Victor Mark | 1981-04-14 |
| 4262111 | Process for preparing polycarbonates using amidine catalysts | Walter L. Hall, Victor Mark | 1981-04-14 |
| 4221728 | Stabilized polycarbonate compositions | Steven W. Scott, Howard A. Vaughn, Jr., Joseph B. Williams | 1980-09-09 |
| 4188496 | Process for preparing 2,2-bis(4-hydroxy-phenyl) propane from distillation by-products thereof | Lawrence C. Mitchell | 1980-02-12 |