Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5498364 | Methods and compositions for oxygen scavenging by a rigid semi-rigid article | Drew V. Speer, Charles R. Morgan | 1996-03-12 |
| 5445893 | pH control polymer | Walter B. Mueller, Cynthia L. Ebner | 1995-08-29 |
| 5425896 | Methods and compositions for oxygen scavenging | Drew V. Speer, Charles R. Morgan | 1995-06-20 |
| 5418279 | Stereoregular polystyrene compositions for use in plastisols | Jie Ren, Arthur D. Ketley | 1995-05-23 |
| 5399289 | Compositions, articles and methods for scavenging oxygen which have improved physical properties | Drew V. Speer, Charles R. Morgan, Ram K. Ramesh | 1995-03-21 |
| 5350622 | Multilayer structure for a package for scavenging oxygen | Drew V. Speer, Charles R. Morgan, Andrew W. VanPutte | 1994-09-27 |
| 5346644 | Compositions, articles & methods for scavenging oxygen | Drew V. Speer, Charles R. Morgan, Cynthia L. Ebner | 1994-09-13 |
| 5310497 | Oxygen scavenging compositions for low temperature use | Drew Ve Speer | 1994-05-10 |
| 5211875 | Methods and compositions for oxygen scavenging | Drew V. Speer, Charles R. Morgan | 1993-05-18 |
| 5171641 | Permanent antistatic acid copolymer/quaternary amine polymeric films | Marvin R. Havens | 1992-12-15 |
| 5153075 | Permanent antistatic acid copolymer/quaternary amine polymeric films | Marvin R. Havens | 1992-10-06 |
| 5096934 | Packaging material containing inherently antistatic polymeric foam and method for use thereof | Cynthia L. Ebner, Timothy G. Grasel | 1992-03-17 |
| 5096761 | Antistatically conductive masking film for electrostatic spray painting | Charles R. Morgan, Marvin R. Havens | 1992-03-17 |
| 5064699 | Semi-rigid heat-sealable laminates with permanent antistatic characteristics | Marvin R. Havens, Stephen L. Fowler, Cynthia L. Ebner | 1991-11-12 |
| 4999252 | Permanent antistatic acid copolymer/quaternary amine mixtures films | Marvin R. Havens | 1991-03-12 |
| 4604427 | Method of forming electrically conductive polymer blends | Leslie A. Schulz | 1986-08-05 |