Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4720420 | Sealable, transparent polyolefinic multilayer film | Lothar Bothe, Siegfried Janocha | 1988-01-19 |
| 4652489 | Sealable, opaque polyolefinic multilayer film and process therefor | Siegfried Janocha, Lothar Bothe | 1987-03-24 |
| 4595625 | Sealable multilayer film for packaging purposes | Lothar Bothe, Siegfried Janocha, Wolfgang Dietz | 1986-06-17 |
| 4525416 | Adhesive tape | Peter Hammerschmidt | 1985-06-25 |
| 4367511 | Rough electrical insulating film of polypropylene and process for the manufacture thereof | Hartmut Hensel | 1983-01-04 |
| 4303708 | Heat-sealable plastic film, process for its manufacture, and the use of the film | Dieter Gebhardt, Siegfried Janocha | 1981-12-01 |
| 4283453 | Biaxially stretched polypropylene composite film and electrical insulating film made therefrom | Walter Siefried, Siegfried Janocha | 1981-08-11 |