Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7446151 | Process for production of high-isoprene butyl rubber | Rui Resendes, Gabor Kaszas, Mark J. Drewitt, Stephan Glander, Gerhard Langstein | 2008-11-04 |
| 7291758 | Process for the production of highly reactive polyisobutenes | Jurgen Ismeier, Oskar Nuyken, Mario Vierle, Dirk Schon, Fritz Kuhn | 2007-11-06 |
| 7282548 | Process for production of high-isoprene butyl rubber | R. Resendes, Gabor Kaszas, Mark J. Drewitt, Stephan Glander, Gerhard Langstein | 2007-10-16 |
| 7256244 | Process for production of high-isoprene butyl rubber | R. Resendes, William E. App, Gerhard Langstein, Gabor Kaszas, Stephan Glander +1 more | 2007-08-14 |
| 6846885 | Process for the preparation of isoolefin copolymers | Gerhard Langstein | 2005-01-25 |
| 6677421 | Process for the preparation of isoolefin copolymers | Gerhard Langstein, Jurgen Ismeier, Hans Krauss, Rui Resendes | 2004-01-13 |
| 6562916 | Process for the preparation of isoolefin copolymers | Gerhard Langstein | 2003-05-13 |
| 6545100 | Halogenated, high molecular weight, gel-free isobutene copolymers with elevated double bond contents | Gerhard Langstein, Anthony Sumner, Marc Verhelst | 2003-04-08 |
| 6015841 | Initiator systems containing vanadium tetrachloride for the (co)polymerization of isoolefins | Gerhard Langstein, Uwe Denninger, Werner Obrecht, Peter Plesch | 2000-01-18 |
| 5723540 | Elastic-thermoplastic graft polymers with improved properties | Herbert Eichenauer, Adolf Schmidt, Heinrich Alberts | 1998-03-03 |
| 5668218 | Elastic-thermoplastic graft polymers with improved properties | Herbert Eichenauer, Adolf Schmidt, Heinrich Alberts | 1997-09-16 |
| 5312997 | Surface-active pereoxides and their use | Adolf Schmidt, Heinrich Alberts | 1994-05-17 |