Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7407728 | Alkaline cell or battery | Wolffried Wenneis, Harald Hoffmann, Birgit Severich, Helmut Keul | 2008-08-05 |
| 6800708 | Oligomeric and polymeric telechelics | Martin Melchiors, Helmut Keul, Dirk Achten | 2004-10-05 |
| 6712846 | Polymer-coated stents, processes for producing the same and their use for restenosis prevention | Werner Kraus, Jorg Lahann, Doris Klee | 2004-03-30 |
| 6632895 | Functionalized alkoxyamine initiators | Martin Melchiors, Helmut Keul, Dirk Achten | 2003-10-14 |
| 6573346 | Oligomeric and polymeric telechelics | Martin Melchiors, Helmut Keul, Dirk Achten | 2003-06-03 |
| 6455645 | Process for the production of telechelic polymers, telechelic polymers produced in this manner and use thereof | Martin Melchiors, Dieter Margotte, Helmut Keul, Andreas Neumann | 2002-09-24 |
| 6451921 | Block copolymers with sulfonated polyether sulfone units | Hilmar Weisse, Helmut Keul | 2002-09-17 |
| 6258129 | Method for enzymatic treatment of wool | Lone Dybdal, Elisabeth Heine | 2001-07-10 |
| 6258895 | Polymers having spiro orthoester groups, process of manufacturing and using | Manfred Zamzow | 2001-07-10 |
| 6103068 | Process for antifelting finishing of wool using a low-temperature plasma treatment | Thomas Merten, Helga Thomas | 2000-08-15 |
| 5973107 | Process for producing polyacrylates having a low content of residual acrylate monomers | Dieter Margotte, Christian Wamprecht, Josef Pedain, Volker Rohde | 1999-10-26 |
| 5162155 | Silane coated inorganic materials for chromatography | Heinz Berndt, Rolf Kuropka, Joachim Kinkel | 1992-11-10 |
| 5116918 | Crosslinked copolymers based on cyclic esters and carbonates | Helmut Keul, Edgar Leitz, Norbert Schon, Steffen Kuhling | 1992-05-26 |
| 5071921 | Thermoplastic block copolymers based on cyclic carbonates or esters | Herbert Eichenauer, Christian Lindner, Edgar Leitz, Karl-Heinz Ott, Hans-Josef Buysch +2 more | 1991-12-10 |
| 4859731 | Polymeric dihydroxy compounds and their use as stabilizers for polymers | Herbert Eichenauer, Thomas Heitz | 1989-08-22 |
| 4826946 | New polysiloxane block copolymers | Herbert Eichenauer, Christian Lindner, Karl-Heinz Ott, Peter Orth | 1989-05-02 |
| 4801632 | Cellulose ester moulding materials with improved toughness | Herbert Eichenauer, Christian Lindner, Friedemann Muller, Helmut Keul | 1989-01-31 |
| 4769417 | New rubber polymers with block-like structure | Herbert Eichenauer, Christian Lindner, Karl-Heinz Ott | 1988-09-06 |
| 4754017 | Process for the preparation of linear aliphatic polycarbonate from cyclic aliphatic carbonate | Edgar Leitz, Christian Lindner, Herbert Eichenauer, Karl-Heinz Ott, Hans-Josef Buysch +2 more | 1988-06-28 |
| 4699967 | Polysiloxane block copolymers | Herbert Eichenauer, Christian Lindner, Karl-Heinz Ott, Peter Orth | 1987-10-13 |