Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6184282 | Flameproof polyamide moulding compounds containing melamine cyanurate | Brigitte Gareiss, Heiner Görrissen, Karlheinz Ulmerich | 2001-02-06 |
| 5476907 | Poly(meth) acrylimides of improved color | Siegmund Besecke, Andreas Deckers | 1995-12-19 |
| 5442109 | Preparation of oxadimethacrylic acid | Siegmund Besecke, Andreas Deckers | 1995-08-15 |
| 5395898 | N-aryl-substituted poly(meth)acrylimides | Siegmund Besecke, Andreas Deckers | 1995-03-07 |
| 5393917 | Isolation and purification of oxadimethacrylics | Siegmund Besecke, Andreas Deckers | 1995-02-28 |
| 5378765 | N-aryl-substituted poly (meth) acrylimides | Siegmund Besecke, Andreas Deckers | 1995-01-03 |
| 5374688 | Poly(meth)acrylamides | Siegmund Besecke, Andreas Deckers, Wolfgang Loth | 1994-12-20 |
| 5354814 | Polymethacrylimides having a high heat resistance | Siegmund Besecke, Andreas Deckers | 1994-10-11 |
| 5354895 | Oxadimethacrylics and preparation thereof | Siegmund Besecke, Andreas Deckers | 1994-10-11 |
| 5350808 | Poly(meth)acrylimides with different n-substitutes | Siegmund Besecke, Andreas Deckers | 1994-09-27 |
| 5338805 | Polymethacrylimides having high heat distortion resistance | Siegmund Besecke, Andreas Deckers | 1994-08-16 |
| 5262278 | Storage-stable solution of a carboxyl-containing copolymer and production of photosensitive coatings and offset printing plates | Thomas Loerzer, Axel Sanner, Joachim Roser | 1993-11-16 |
| 5247035 | Soluble polymers | Siegmund Besecke, Andreas Deckers | 1993-09-21 |
| 5176962 | Methacrylate (co)polymers containing carbazolyl side groups and electropohotographic recording elements containing the said (co)polymers | Reinhold J. Leyrer, Bernhard Nick, Peter Strohriegl, Dietrich Haarer | 1993-01-05 |
| 5116911 | Methacrylate (co)polymers containing carbazolyl side groups and electrophotographic recording elements containing the said (co)polymers | Reinhold J. Leyrer, Bernhard Nick, Peter Strohriegl, Dietrich Haarer | 1992-05-26 |
| 5100971 | Preparation of carbazole-substituted polyacrylates or polymethacrylates, the products thus prepared and their use | Reinhold J. Leyrer, Peter Strohriegl, Dietrich Haarer | 1992-03-31 |
| 5073475 | Production of plate-like, sheet-like or tape-like materials and of sensitized lithographic printing plates | Gregor Schuermann, Hartmut Sandig, Thomas Loerzer | 1991-12-17 |
| 4970138 | Damping solution for offset printing | Gregor Schuermann | 1990-11-13 |
| 4939068 | Anodic oxidation of the surface of aluminum or aluminum alloys | Bernhard Nick, Reinhold J. Leyrer | 1990-07-03 |
| 4935332 | Photosensitive element having an aluminum base and silane intermediate layer | Wilhelm Weber, Reinhold J. Leyrer, Bernhard Nick, Thomas Loerzer | 1990-06-19 |
| 4935330 | Photopolymerizable mixture, photosensitive recording element containing this mixture, and the production of lithographic printing plate using this photosensitive recording element | Gerhard Hofmann, Reiner Hoffman, Wilhelm Weber, Reinhold J. Leyrer | 1990-06-19 |
| 4782000 | Electrophotographic recording elements with hydrolyzed silane layer | Reinhold J. Leyrer, Bernhard Nick, Thomas Loerzer | 1988-11-01 |