Issued Patents 1982
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4340640 | Heat sealable packaging film comprising propylene polymer substrate and a surface layer blend of ethylene copolymer and propylene copolymer | — | 1982-07-20 |
| 4340641 | Heat sealable packaging film comprising propylene polymer substrate and a surface layer blend of ethylene copolymer and propylene copolymer | — | 1982-07-20 |
| 4339495 | Heat sealable packaging film comprising propylene polymer substrate and olefin surface layer blend of polybutene-1 and ethylene or a propylene copolymer | — | 1982-07-13 |
| 4339496 | Heat sealable packaging film comprising propylene polymer substrate and a surface layer blend of ethylene copolymer and propylene copolymer | — | 1982-07-13 |
| 4339493 | Heat sealable packaging film comprising propylene polymer substrate and olefin surface layer blend of polybutene-1 and an ethylene or a propylene copolymer | — | 1982-07-13 |
| 4339498 | Heat sealable packaging film comprising propylene polymer substrate and a surface layer blend of olefin copolymer or interpolymer | — | 1982-07-13 |
| 4339497 | Heat sealable packaging film comprising propylene polymer substrate and a surface layer blend of olefin copolymer or interpolymer | — | 1982-07-13 |
| 4339494 | Heat sealable packaging film comprising propylene polymer substrate and olefin surface layer blend of polybutene-1 and an ethylene or a propylene copolymer | — | 1982-07-13 |