Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5214078 | Gamma radiation resistant polycarbonate composition | Douglas G. Powell | 1993-05-25 |
| 5194495 | Pigmented polycarbonate composition having high impact strength and good cosmetics | Douglas G. Powell, Sivaram Krishnan | 1993-03-16 |
| 5187211 | Gamma radiation resistant polycarbonate compositions | Sivaram Krishnan, Gerald L. Robbins, Rick L. Archey | 1993-02-16 |
| 5132331 | Polycarbonate foams | Burkhart Kohler, Klaus Kircher, Ulrich Grigo, Klaus Horn, Wolfgang Ebert | 1992-07-21 |
| 5124377 | Flame retardant polycarbonate composition having improved impact strength | Ronald L. Price, Sivaram Krishnan | 1992-06-23 |
| 5120778 | Flame retardant polycarbonate composition having improved impact strength | Ronald L. Price, Sivaram Krishnan | 1992-06-09 |
| 5109045 | Flame retardant polycarbonate compositions | Ronald L. Price, Sivaram Krishnan | 1992-04-28 |
| 5025056 | Thermoplastic compositions having improved melt flow | Steven A. Jorissen, Sivaram Krishnan, Robson Mafoti, Robert A. Pyles | 1991-06-18 |
| 5006572 | Gamma radiation resistant polycarbonate composition | Roger J. White, Sivaram Krishnan | 1991-04-09 |
| 5001180 | Release agents for polycarbonate molding compositions | Sivaram Krishnan, Donald K. Booher | 1991-03-19 |
| 4963598 | Gamma radiation resistant polycarbonate compositions | Sivaram Krishnan, Richard E. Keegan, Neil H. Nodelman | 1990-10-16 |
| 4874802 | Polycarbonate compositions resistant to gamma radiation | Sivaram Krishnan, Gerard E. Reinert | 1989-10-17 |
| 4873271 | Gamma radiation rsistant polycarbonate compositions | Sivaram Krishnan | 1989-10-10 |
| 4847312 | Hydrolytically stable polycarbonate composition comprising dicyclopentadienyl epoxy ether | Sivaram Krishnan | 1989-07-11 |
| 4804692 | Gamma-radiation resistant polycarbonate compositions | Winfried Paul, Sivaram Krishnan | 1989-02-14 |