Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10214624 | Apparatus and method for expanding thermally expandable thermoplastic microspheres to expanded thermoplastic microspheres | Jan Nordin, Per Ajdén, Frank Ong | 2019-02-26 |
| 9718939 | Method and a device for preparation of expanded thermoplastic microspheres | Per Ajdén | 2017-08-01 |
| 7192989 | Method and expansion device for preparing expanded thermoplastic microspheres | Guy Hovland, Thomas Holmlund | 2007-03-20 |
| 4397799 | Process for drying and expanding microspheres | Anders Edgren | 1983-08-09 |