Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5501905 | Matt biaxially stretched polypropylene film and a process for producing the same | Anton Krallmann, Thomas Blum | 1996-03-26 |
| 5425990 | Matt-effect, biaxially stretched polypropylene film and a process for its production | Thomas Blum, Anton Krallmann | 1995-06-20 |
| 5152879 | Process for the treatment of polyolefin films | Siegfried Thurm, Ulrich Reiners, Manfred Kowitz | 1992-10-06 |
| 5126197 | Heat-laminatable, high-gloss multilayer films | Ulrich Reiners | 1992-06-30 |
| 5126198 | Heat-laminatable, gas-barrier multi-layer films | Ulrich Reiners | 1992-06-30 |
| 5122415 | Sealable multilayered films with improved transparency | Jürgen Bohner | 1992-06-16 |
| 5077129 | Stretched polypropylene films having good surface slip | Ulrich Reiners, Anton Krallmann | 1991-12-31 |
| 4897235 | Process for imparting a surface coating to films | Heinrich Rosenthal | 1990-01-30 |
| 4842930 | Heat-sealable multi-layer films of polyolefins | Jürgen Bohner | 1989-06-27 |
| 4830918 | Heat-sealable, stretched composite flims | Rudi Klein | 1989-05-16 |
| 4692386 | Sealable multilayer polyolefin films | Jürgen Bohner | 1987-09-08 |
| 4668575 | Heat sealable multilayer films with low permeability to gas and their use as packaging material | J/u/ rgen B/o/ hner | 1987-05-26 |
| 4666772 | Opaque, heat sealable multilayer polyolefin films | Jürgen Bohner | 1987-05-19 |
| 4400428 | Sealable multilayer films | Heinrich Rosenthal, Gunter Eger, Wolfgang Bair | 1983-08-23 |
| 4348457 | Sealable multilayer film of polyolefins | Heinrich Rosenthal, Gunter Eger | 1982-09-07 |