Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874802 | Polycarbonate compositions resistant to gamma radiation | Charles E. Lundy, Sivaram Krishnan | 1989-10-17 |
| 4563503 | Polycarbonate compositions having improved impact performance | Mark W. Witman | 1986-01-07 |
| 4542177 | Thermoplastic polyester molding composition having an improved impact performance | George R. Kriek, James Y. J. Chung, Dieter Neuray | 1985-09-17 |
| 4506047 | Polycarbonate compositions having improved rigidity | Mark W. Witman | 1985-03-19 |
| 4500653 | Blowing agents for thermoplastic compositions | Manfred Schmidt, Mark W. Witman, In-Chun Lim | 1985-02-19 |
| 4487881 | Impact improvement of reinforced polycarbonate/ABS blends | Herbert L. Rawlings | 1984-12-11 |
| 4460733 | Polycarbonate compositions having low gloss values | Russell P. Carter, Jr., In-Chun Lim | 1984-07-17 |
| 4420584 | Glass-filled polycarbonate of improved impact strength | Herbert L. Rawlings | 1983-12-13 |
| 4410662 | Polycarbonate having an improved impact performance | Mark W. Witman | 1983-10-18 |
| 4384067 | Mineral-filled polycarbonate compositions of improved impact strength | Herbert L. Rawlings | 1983-05-17 |
| 4303575 | Flame retardant polycarbonate compositions | — | 1981-12-01 |
| 4223100 | Flame retardant aromatic polycarbonate with good mechanical properties and melt stability | — | 1980-09-16 |