Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5728867 | Carbonyloxy-substituted azulenesquaric acid dyes, intermediates therefor and optical recording medium | Michael Schmitt, Wolfgang Schrott, Peter Neumann, Klaus D. Schomann, Harald Kuppelmaier | 1998-03-17 |
| 5712341 | Preparation of mixtures of high molecular weight polyisobutylene and thermoplastic polymers | Jurgen Hofmann, Thomas Kessler, Bernd Lothar Marczinke, Karl-Heinz Fauth | 1998-01-27 |
| 5384369 | Partially crosslinked composition comprising polymers of propylene and of ethylene | Erhard Seiler, Harald Schwager, Gerhard Kress, Lothar Schlemmer | 1995-01-24 |
| 5371144 | Partially crosslinked plastics materials of propylene copolymers | Harald Schwager, Susanne Hahn, Bernd Lothar Marczinke | 1994-12-06 |
| 5362808 | Bismaleimide-crosslinked, flexible polyolefin blends | Bernd Lothar Marczinke, Harald Schwager | 1994-11-08 |
| 5244976 | Partially crosslinked polymer composition | Klaus-Dieter Ruempler, Erhard Seiler, Susanne Hahn, Karl Huber, Rainer A. Werner | 1993-09-14 |
| 5235573 | Repositioning laser beams in information storage media | Klaus D. Schomann, Peter Hammerschmitt, Kal-Heinz Feuerherd, Bernhard Albert, Michael Schmitt +1 more | 1993-08-10 |
| 5221751 | Heterocyclic polymethine dyes with carbamate or amide groups | Michael Acker, Bernhard Albert, Klaus D. Schomann, Harald Kuppelmaier | 1993-06-22 |
| 5169975 | Binary azulenesquaric acid dyes, their intermediates and optical recording medium | Michael Schmitt, Bernhard Albert, Klaus D. Schomann, Harald Kuppelmaier | 1992-12-08 |
| 5124240 | Optical recording medium | Bernhard Albert, Michael Schmitt, Klaus D. Schomann, Harald Kuppelmaier, Ulrich Harten | 1992-06-23 |
| 5122435 | Amido-containing azulene squaric acid dyes, intermediates therefor and optical recording medium | Michael Schmitt, Bernhard Albert, Klaus D. Schomann, Harald Kuppelmaier | 1992-06-16 |
| 5093492 | Methine dyes and optical recording medium containing same | Michael Acker, Mathias Dust, Peter Neumann, Klaus D. Schomann, Harald Kuppelmaier | 1992-03-03 |
| 5087727 | A zulenes containing a urethane group | Wolfgang Schrott, Peter Neumann, Michael Schmitt, Klaus D. Schomann, Harald Kuppelmaier | 1992-02-11 |
| 5084592 | Azulenesquaric acid dyes, azulene intermediates therefor, and optical recording medium | Wolfgang Schrott, Peter Neumann, Helmut Barzynski, Klaus D. Schomann, Harald Kuppelmaier | 1992-01-28 |
| 5064702 | Quinoxalinepentamethine dyes and optical recording medium containing same | Michael Acker, Peter Neumann, Bernhard Albert, Klaus D. Schomann, Harald Kuppelmaier | 1991-11-12 |
| 5061596 | Silicon naphthalocyanines and thin radiation sensitive coating films containing same | Bernhard Albert, Peter Neumann | 1991-10-29 |
| 5047312 | Silicon naphthalocyanines with unsaturated ligands and optical recording medium | Bernhard Albert, Peter Neumann | 1991-09-10 |
| 4990649 | Azulenesquaric acid dyes that contain urethane groups | Wolfgang Schrott, Peter Neumann, Michael Schmitt, Klaus D. Schomann, Harald Kuppelhamier | 1991-02-05 |
| 4966798 | Optical recording medium | Helmut Barzynski, Karl-Heinz Feuerherd, Wolfgang Schrott, Bernhard Albert, Michael Acker +3 more | 1990-10-30 |