Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6230618 | Method and apparatus for producing a screen-printing stencil | — | 2001-05-15 |
| 6121349 | Aqueous polyvinyl acetal dispersions | Matthias Mag | 2000-09-19 |
| 6038971 | Method and apparatus for producing a screen-printing stencil | — | 2000-03-21 |
| 5918540 | Method and device for producing a printing stencil | — | 1999-07-06 |
| 5822209 | Method and system for producing a stencil by storing color files and creating the needed bit sequence | — | 1998-10-13 |
| 5698351 | Method for producing a screen printing stencil | — | 1997-12-16 |
| 5553161 | Copy reproduction apparatus for screen printing with color correction | — | 1996-09-03 |
| 5434207 | Plasticizer-containing polyvinylbutyrals with improved adhesion-reducing properties with respect to silicate glass, processes for their preparation and their use | — | 1995-07-18 |
| 4395525 | Hot melt adhesives | Rolf Zimmermann | 1983-07-26 |
| 4373078 | Process for the manufacture of hardenable copolymers and the use thereof | Jurgen Ritz, Helmut Plum | 1983-02-08 |
| 4350809 | Process for the preparation of copolymers containing hydroxyl groups | Helmut Plum | 1982-09-21 |