Issued Patents All Time
Showing 51–61 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6248807 | Method for the preparation of core-shell morphologies from polybutadiene-polystyrene graft copolymers | Lu Ann Kelly | 2001-06-19 |
| 6162880 | Purification of polystyrene recycle streams | LuAnn Kelly | 2000-12-19 |
| 6143833 | Method and apparatus for producing hips using continuous polybutadiene feed | Brad Klussmann, Jon Schweinle, Doug Berti, Thanh T. Nguyen | 2000-11-07 |
| 5540813 | Method for reducing volatiles in polymerized styrene | Robert M. Scates, James N. Weguespack, Bruce P. Blackmar, Scott Davis | 1996-07-30 |
| 5531967 | Apparatus for reducing polymerization inhibitor in recycle streams | Stan Beisert | 1996-07-02 |
| 5527511 | Apparatus and processes for reducing undesirable volatiles in recycle streams of monovinyl aromatic polymerization systems | Stan Beisert | 1996-06-18 |
| 5403556 | Apparatus for injecting solid insoluble additives into polymerization streams | Stan Beisert | 1995-04-04 |
| 5200476 | Reduction of undesirable volatiles in recycle streams using partial condensation in the reactor vaporization line | Stan Beisert | 1993-04-06 |
| 4861827 | Continuous process for the production of high impact polystyrene using non-acid forming initiators | Jeffrey Morris | 1989-08-29 |
| 4857587 | Continuous process including recycle stream treatment for the production of high impact polystyrene | Jeffrey Morris | 1989-08-15 |
| 4777210 | Continuous production of high impact polystyrene | Jimmy D. Nichols | 1988-10-11 |