Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5288437 | Process to produce thin film | Guenther Crass, Gisbert Bammert | 1994-02-22 |
| 5229140 | Device for smoothing out the thickness of a sheet | Guenther Crass, Harald Mueller | 1993-07-20 |
| 5110670 | Film for transfer metallizing | Gunter Schloegi, Lothar Bothe, Guenther Crass | 1992-05-05 |
| 5026592 | Opaque multilayered film having an inherent resistance to delamination | Gunter Schloegl, Guenther Crass, Lothar Bothe | 1991-06-25 |
| 4983447 | Biaxially oriented opaque polyolefin multi-layer film | Guenther Crass, Lothar Bothe | 1991-01-08 |
| 4883698 | Multilayer film containing a biaxially oriented polypropylene film | Lothar Bothe, Guenther Crass, Gunter Schloegl | 1989-11-28 |
| 4842187 | Opaque film for candy twist wrapping | Guenther Crass, Gunter Schloegl, Lothar Bothe | 1989-06-27 |
| 4746703 | Oriented plastic film having specific surface topography | Hermann Dallmann, Walter Seifried, Werner Schaefer, Harmut Hensel | 1988-05-24 |
| 4720420 | Sealable, transparent polyolefinic multilayer film | Gunther Crass, Lothar Bothe | 1988-01-19 |
| 4663219 | Multi-layer opaque low density film | Guenther Crass, Lothar Bothe, Gunter Schloegl | 1987-05-05 |
| 4652489 | Sealable, opaque polyolefinic multilayer film and process therefor | Gunther Crass, Lothar Bothe | 1987-03-24 |
| 4595625 | Sealable multilayer film for packaging purposes | Gunther Crass, Lothar Bothe, Wolfgang Dietz | 1986-06-17 |
| 4502263 | Sealable polyolefinic multilayer film | G/u/ nther Crass, Wolfgang Dietz, Lothar Bothe | 1985-03-05 |
| 4460631 | Sealable, biaxially stretched polypropylene film having high scratch resistance, and process for its manufacture | Gerhard Stegmeier, Hartmut Hensel | 1984-07-17 |
| 4303708 | Heat-sealable plastic film, process for its manufacture, and the use of the film | Dieter Gebhardt, Gunther Crass | 1981-12-01 |
| 4283453 | Biaxially stretched polypropylene composite film and electrical insulating film made therefrom | Walter Siefried, Gunther Crass | 1981-08-11 |
| 4256784 | Heat-sealable plastic film | Dieter Gebhardt | 1981-03-17 |
| 4243724 | Thermoplastic multi-layer film | Hans Strutzel, Klaus Hoheisel | 1981-01-06 |
| 4243074 | Tubular packaging material, preferably for use as a sausage casing | Hans Strutzel, Klaus Hoheisel | 1981-01-06 |