Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6281258 | Sponge | Eberhard Link | 2001-08-28 |
| 6281259 | Sponge cloth | Eberhard Link | 2001-08-28 |
| 5910275 | Process for producing a sponge cloth | Eberhard Link | 1999-06-08 |
| 5906780 | Process for producing a sponge | Eberhard Link | 1999-05-25 |
| 5498471 | Flame-resistant substrate for flexible circuit boards | Thomas Kuhlmann, Rolf Schneider, Steffen Kosack, Werner Schafer, Volker Siekermann | 1996-03-12 |
| 5298128 | Process for recovering polyurethane from polyurethane waste pastes | Bardo Anselm, Steffen Kosack | 1994-03-29 |
| 5229192 | Flame-resistant cover film for flexible circuit boards | Horst Kober, Thomas Kuhlmann, Steffen Kosack, Werner Schafer, Volker Siekermann | 1993-07-20 |
| 5158984 | Method of recovering polyvinyl chloride from solvent-containing waste PVC pastes | Bardo Anselm, Steffen Kosack, Peter Schafer, Rolf Schneider, Stefan Seiderer | 1992-10-27 |
| 4799967 | Method for cleaning apparatus for fabricating reactive multiple-component mixtures containing isocyanate | Joachim Kandler, Volker Siekermann | 1989-01-24 |
| 4699945 | Self-adhesive coating for polypropylene foam materials | Joachim Kandler, Volker Siekermann, Wilfried Getrost | 1987-10-13 |