Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8133560 | Multilayer heat sealant structures, packages and methods of making the same | Suzanne E. Schaefer, Robert J. Blemberg | 2012-03-13 |
| 8048521 | Multilayer heat sealant structures, packages and methods of making the same | Suzanne E. Schaefer, Robert J. Blemberg | 2011-11-01 |
| 6846551 | Multilayer film structures having improved seal and tear properties | Russell P. Gehrke, Erin M. Duffy | 2005-01-25 |
| 5407751 | Easy peel film structure especially for retortable lidstock | Roy A. Bubel | 1995-04-18 |
| 5160767 | Peelable packaging and sheet materials and compositions for use therein | Frank T. Bauer | 1992-11-03 |
| 5137763 | Multiple layer packaging sheet material | Frank T. Bauer, Yong Joo Kim | 1992-08-11 |
| 5110642 | Films using blends of polypropylene and polyisobutylene | — | 1992-05-05 |
| 5093164 | Multiple layer packaging sheet material | Frank T. Bauer, Yong Joo Kim | 1992-03-03 |
| 5073599 | Films using blends of polypropylene and polyisobutylene | — | 1991-12-17 |
| 5071686 | Films of polypropylene blends and polyethylene blends and articles made therewith | Yong Joo Kim, Russell P. Gehrke, Richard E. Johnson, R. Daniel Webster, Leonard F. Czuba | 1991-12-10 |
| 5006384 | Films using blends of polypropylene and polyisobutylene | — | 1991-04-09 |
| 5002811 | Multiple layer packaging sheet material | Frank T. Bauer, Yong Joo Kim | 1991-03-26 |
| 4966795 | Multiple layer sheet structures and package | Yong Joo Kim | 1990-10-30 |
| 4937139 | Peelable packaging and sheet materials and compositions for use therein | Frank T. Bauer | 1990-06-26 |
| 4894266 | Multiple layer packaging sheet material | Frank T. Bauer, Yong Joo Kim | 1990-01-16 |
| 4892911 | Films using blends of polypropylene and polyisobutylene | — | 1990-01-09 |
| 4778697 | Polymeric films | Yong Joo Kim, Russell P. Gehrke, Richard E. Johnson, R. Daniel Webster, Leonard F. Czuba | 1988-10-18 |
| 4764404 | Films having a polypropylene blend layer | Yong Joo Kim | 1988-08-16 |
| 4424256 | Retortable foil-based packaging structure | Ronald C. Christensen, Dennis E. Kester, William F. Ossian | 1984-01-03 |
| 4407873 | Retortable packaging structure | Ronald C. Christensen, Dennis E. Kester, William F. Ossian | 1983-10-04 |
| 4405667 | Retortable packaging structure | Ronald C. Christensen, Dennis E. Kester, William F. Ossian | 1983-09-20 |