Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5874180 | Electroluminescent arrangements and their use | Rolf Wehrmann, Andreas Elschner, Siegfried Thurm, Ralf Dujardin | 1999-02-23 |
| 5194393 | Optical biosensor and method of use | Herbert Hugl, Eberhard Kuckert, Dietmar Mobius, Holger Ohst, Meinhard Rolf +4 more | 1993-03-16 |
| 4389472 | Process for the production of documents which cannot be falsified | Karl-Friedrich Neuhaus, Hermann Perrey | 1983-06-21 |
| 4339566 | Water-dispersible, radiation-crosslinkable binding agents from urethane acrylates, a process for their production, and the use thereof in aqueous dispersions in color painting, color printing, and textile applications | Hellmut Striegler, Otto Bendszus | 1982-07-13 |
| 4308394 | Aryl-glyoxyloyloxyalkylacrylates | Karl-Ernst Shuster, Hans Rudolph, Wolfram Mayer | 1981-12-29 |
| 4302484 | Polymers crosslinkable by electron beams | — | 1981-11-24 |
| 4299755 | Non-aqueous dispersions of water-soluble polymers | Berthold Keggenhoff | 1981-11-10 |
| 4284621 | Agents for protection against light | Reinhard Preuss, Egbert Charlet, Peter Finkel | 1981-08-18 |
| 4279718 | Aryl-glyoxyloyloxyalkylacrylates and their use in photopolymerizable binders | Karl-Ernst Schuster, Hans Rudolph, Wolfram Mayer | 1981-07-21 |
| 4269967 | Semipermeable membranes of aromatic disulfimide containing polyamides | Klaus Elfert, Gerhard D. Wolf | 1981-05-26 |
| 4262082 | Positive electron beam resists | — | 1981-04-14 |
| 4253918 | Air-drying coating compositions | Hans-Joachim Traenckner, Hans Rudolph | 1981-03-03 |
| 4252652 | Process of using a semi-permeable membrane of acrylonitrile copolymers | Klaus Elfert, Gerhard D. Wolf, Francis Bentz | 1981-02-24 |
| 4244863 | Preparation of pigment concentrates | Heinz-Peter Hemmerich, Jurgen Spille, Dietmar Kranz, Peter Rasche | 1981-01-13 |
| 4235768 | Production of readily dispersible titanium dioxide pigments | Helmut Ritter, Heinz-Peter Hemmerich | 1980-11-25 |
| 4225695 | Radiation-hardenable binders based on thio-polyols | Karl-Ernst Schuster, Hans Rudolph, Karl Fuhr, Bruno Zorn, Harro Traubel | 1980-09-30 |
| 4221645 | Polycarbonates with end groups containing double bonds which can be crosslinked by UV light | Siegfried Adelmann, Dieter Margotte, Hugo Vernaleken, Werner Nouvertne, Dieter Freitag | 1980-09-09 |
| 4219626 | Accelerators for radical polymerization reactions with initiators free from peroxide groups | Heinrich Wolfers | 1980-08-26 |
| 4219674 | Peroxide initiators | Heinrich Wolfers, Oskar Walter, Hans Rudolph | 1980-08-26 |
| 4211751 | Use of an apparatus for continuous photopolymerization | Berthold Keggenhoff, Eberhard Bandtel | 1980-07-08 |
| 4182829 | Impression materials for dentistry | Michael Walkowiak, Hans-Hermann Schulz | 1980-01-08 |