Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5834571 | Gas phase polymerization process | Robert J. N. Bernier, Robert Lorenz Boysen, Robert Cecil Brown, Mark G. Goode, John H. Moorhouse +4 more | 1998-11-10 |
| 5767230 | Process for removing volatiles from post-consumer recycled polyolefin chips | Richard G. Angell, Jr. | 1998-06-16 |
| 5763541 | Process for feeding particulate material to a fluidized bed reactor | Duan-Fan Wang, Robert Lorenz Boysen, Gary Harry Williams | 1998-06-09 |
| 5453471 | Gas phase polymerization process | Robert J. N. Bernier, Robert Lorenz Boysen, Robert Cecil Brown, Gary Harry Williams | 1995-09-26 |
| 5443652 | Method and apparatus for cleaning contaminants from plastics | Ernest H. Roberts, Kenneth E. Hobbs, Richard G. Angell, Jr. | 1995-08-22 |
| 5304588 | Core-shell resin particle | Robert Lorenz Boysen, Cliff R. Mure, Aaron S. Rhee | 1994-04-19 |
| 4994534 | Process for producing sticky polymers | Seung J. Rhee, Edgar C. Baker, David N. Edwards, Kiu H. Lee, John H. Moorhouse +1 more | 1991-02-19 |
| 4461734 | Process for plasticization and pumping of low bulk density plastics | David N. Jones, Urho S. Haapala | 1984-07-24 |
| 4425044 | Mixer heads for polyolefin extruders | Stuart J. Kurtz, John C. Miller | 1984-01-10 |
| 4321229 | Method for extruding linear polyolefin materials having high viscosities | Theodore R. Blakeslee, III, Stuart J. Kurtz, John C. Miller, James D. Engle, Jerome T. Horner | 1982-03-23 |
| 4302409 | Method for the extrusion of thermoplastic material composites | John C. Miller, Archibald L. Burnett | 1981-11-24 |
| 4282177 | Method for reducing sharkskin melt fracture during extrusion of ethylene polymers | Stuart J. Kurtz, Theodore R. Blakeslee, III | 1981-08-04 |
| 4267146 | Method for reducing melt fracture during extrusion of ethylene polymers | Stuart J. Kurtz, Theodore R. Blakeslee, III | 1981-05-12 |