Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6589960 | Hydromorphone and hydrocodone compositions and methods for their synthesis | Robert Gault, Mark Sandison | 2003-07-08 |
| 6512117 | Hydromorphone and hydrocodone compositions and methods for their synthesis | Robert Gault, Mark Sandison | 2003-01-28 |
| 5240657 | Process for making expanded polymeric product with low level of emission of blowing agent | Eugene K. Zimmermann, Barry J. Pekich, John C. Knutsen, John V. Wiman, John Charles Voss | 1993-08-31 |
| 5115066 | Polystyrene having high degree of expandability, and formulation having a highly-expandable polymer therein | Eugene K. Zimmermann, Bernhard Wagner, William E. Volz, John V. Wiman, John Charles Voss | 1992-05-19 |
| 5114640 | Time-efficient process for making expanded polymeric products with multipass expansion of polystyrene bead | John C. Knutsen, Barry J. Pekich, John V. Wiman, John Charles Voss | 1992-05-19 |
| 5112875 | Polystyrene having high degree of expandability, and formulation having a highly-expandable polymer therein | Eugene K. Zimmermann, Bernhard Wagner, William E. Volz, John V. Wiman, John Charles Voss | 1992-05-12 |
| 5110836 | Time-efficient process for making expanded polymeric products with multipass expansion of polystyrene bead | John C. Knutsen, Barry J. Pekich, John V. Wiman, John Charles Voss | 1992-05-05 |
| 5110837 | Process for making molded polymeric product with multipass expansion of polymer bead with low blowing agent content | William E. Volz, John V. Wiman, John Charles Voss, Barry J. Pekich, John C. Knutsen | 1992-05-05 |
| 5110524 | Process for making molded polymeric product with multipass expansion of polymer bead with low blowing agent content | William E. Volz, John V. Wiman, John Charles Voss, Barry J. Pekich, John C. Knutsen | 1992-05-05 |
| 5086078 | Process for making expanded polymeric product with low level of emission of blowing agent | Eugene K. Zimmermann, Barry J. Pekich, John C. Knutsen, John V. Wiman, John Charles Voss | 1992-02-04 |