Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4914159 | Optically active (meth)acrylamides, a process for their preparation, and their use for racemate resolution | Rolf Grosser, Ulrich Schwartz, Dieter Arlt, Karl-Erwin Piejko | 1990-04-03 |
| 4879367 | Process for the preparation of aliphatic polycarbonates with alkoxy silane initiator | Karl-Erwin Piejko, Hans-Josef Buysch, Michael Hullmann | 1989-11-07 |
| 4806591 | Cationic sizing agents for paper | Joachim Probst, Heinz Baumgen, Joachim Konig, Renke Mottweiler | 1989-02-21 |
| 4800169 | Test aids and method for the preparation thereof | Karl-Erwin Piejko | 1989-01-24 |
| 4780411 | Water-absorbing, essentially water-free membrane for reagent substrates and methods of preparing the same | Karl-Erwin Piejko, Herbert Bartl, Georg Frank | 1988-10-25 |
| 4744827 | (Meth)-acrylic acid derivatives of tricyclodecanes and their use | Jens Winkel, Robert Schmitz-Josten, Gerhard Klein, Carlhans Suling, Dieter Arlt | 1988-05-17 |
| 4744828 | (Meth)-acrylic acid esters and the use thereof | Jens Winkel, Carlhans Suling, Jurgen Reiners, Wolfgang Podszun | 1988-05-17 |
| 4737549 | Terpolymers of maleic acid anhydride, (meth)acrylic acid, and (meth)acrylonitrile | Franz Schade | 1988-04-12 |
| 4440892 | Agents having a tumor-inhibiting action and their use | Gerhard D. Wolf, Robert Bierling | 1984-04-03 |
| 4437836 | Photopolymerizable dental compositions | Robert Schmitz-Josten, Carlhans Suling, Wolfgang Podszun, Manfred Borgardt, Michael Walkowiak | 1984-03-20 |
| 4420225 | Lens of a homo- or copolymer of a fluorine containing styrene polymer | Carlhans Suling, Joachim Konig, Hans Hespe, Carl Heynemann, Raimund Weber | 1983-12-13 |
| 4402856 | Microcapsules with a defined opening temperature, a process for their production and their use | Hildegard Schnoring, Manfred Dahm | 1983-09-06 |
| 4323696 | (Meth)acrylic acid esters of tricyclic decanediols containing ether groups | Robert Schmitz-Josten, Manfred Dietrich | 1982-04-06 |
| 4181639 | Polymer solutions | Hildegard Schnoring, Rolf Schmidt | 1980-01-01 |