Issued Patents All Time
Showing 51–62 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4975329 | Coextruded, biaxially oriented multilayer film | Lothar Bothe, Guenther Crass, Thomas Wilheim | 1990-12-04 |
| 4975315 | Metallizable multi-ply film | Lothar Bothe, Guenther Crass, Thomas Wilhelm | 1990-12-04 |
| 4925728 | Multilayer film suitable as a release sheet in the production of decorative laminate panels | Guenther Crass, Lothar Bothe | 1990-05-15 |
| 4912091 | Non-sealable polypropylene multi-layer film | Lothar Bothe, Guenther Crass | 1990-03-27 |
| 4910639 | Raw material and film prepared therefrom, having improved electrical properties | Lothar Bothe, Guenther Crass, Thomas Wilhelm, Karl-Eduard Helf | 1990-03-20 |
| 4883698 | Multilayer film containing a biaxially oriented polypropylene film | Lothar Bothe, Guenther Crass, Siegfried Janocha | 1989-11-28 |
| 4863032 | Packaging wrapper for disk-shaped magnetic information carriers | Lothar Bothe, Guenther Crass | 1989-09-05 |
| 4842187 | Opaque film for candy twist wrapping | Siegfried Janocha, Guenther Crass, Lothar Bothe | 1989-06-27 |
| 4803027 | Process for the production of biaxially stretched films and apparatus for implementation of the process | Herbert Peiffer, Guenther Crass, Wolfgang Dietz | 1989-02-07 |
| 4758396 | Process for the preparation of a biaxially oriented polypropylene film | Guenther Crass, Lothar Bothe, Herbert Peiffer | 1988-07-19 |
| 4692837 | Coextruded, biaxially oriented, multi-layer and capacitor made therefrom | Guenther Crass, Lothar Bothe | 1987-09-08 |
| 4663219 | Multi-layer opaque low density film | Siegfried Janocha, Guenther Crass, Lothar Bothe | 1987-05-05 |