Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9193838 | High concentration pelletized additive concentrates for polymer | Zach Charlton, John Lefas | 2015-11-24 |
| 8492473 | Compound for purging residual polyamides from an extruder | Sushanta Dhar Roy, Viraj Triokekar, Ed Hindy | 2013-07-23 |
| 8361361 | Foaming agents for thermoplastic resins and method of preparing same | Art Tinson, Jianzhong Hu, John Lefas | 2013-01-29 |
| 8021585 | Liquid compositions of polymer additives and method for their preparation | Zach Charlton, Larry A. Spino, George Kalantzakis, John Lefas | 2011-09-20 |
| 7906561 | Cross-linked polyolefin foam | Jianzhong Hu, Arthur Tinson | 2011-03-15 |
| 6906137 | Process aid masterbatch for melt processable polymers | Steven R. Oriani, Viraj Pramod Trilokekar | 2005-06-14 |
| 6103153 | Production of foamed low-density polypropylene by rotational molding | Chul B. Park, Guobin Liu, Fangyi Liu, Remon Pop-Iliev, Benjamin A. Zhang | 2000-08-15 |
| 5928584 | Foamable compositions for rotational molding | Clifford C. Lee, Donald T. Beuke, Andrew R. Feder, John Lefas | 1999-07-27 |