Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11008414 | Polymer materials for contact lens applications | Christian Geraths | 2021-05-18 |
| 10251814 | Cefuroxime safety delivery system | — | 2019-04-09 |
| 9839719 | Biocompatible polymers and co-polymers, and uses thereof | Hans Hitz, Christoph Schäfer | 2017-12-12 |
| 8980957 | Methods for the preparation of biocompatible polymers, the polymers and their uses | Hans Hitz | 2015-03-17 |
| 8313411 | Backlash-free planetary gear unit with split planet gears, which are preloaded by spring bars arranged parallel to the planetary axis of rotation | — | 2012-11-20 |
| 7862119 | Vehicle seat with lordosis support | Torsten Aeugle, Andrew Massara, Jurgen Hofmockel, Wolfram Hofschulte, Urban Knöpfle +1 more | 2011-01-04 |
| 5696481 | Process for recording intermediate and final times in sporting events | Wolfram Pejas | 1997-12-09 |
| 5672575 | Use of pluronic surfactant to enhance the cleaning effect of pancreatin on contact lenses | — | 1997-09-30 |
| 5627214 | Use of diamines in ophthalmic compositions | Ronald L. Schlitzer, Nissanke L. Dassanayake | 1997-05-06 |
| 5415837 | Use of diamines to disinfect and clean contact lenses | Ronald L. Schlitzer, Nissanke L. Dassanayake | 1995-05-16 |
| 5318717 | Use of nonionic surfactant to enhance the cleaning effect of pancreatin on contact lenses | — | 1994-06-07 |
| 5002751 | Highly-coercive isometric iron oxides, a process for the production and the use thereof | Jurgen Wiese, Gunter Buxbaum, Fritz Rodi | 1991-03-26 |
| 4908206 | Extracts of embryonic organs, process for their preparation and pharmaceutical preparation containing them | Hans Hitz | 1990-03-13 |
| 4818440 | Novel polyether carboxylic acid derivatives, as well as their uses | Werner Schafer, Doris Schafer, Johan G. Aalbers, Jacob K. Smid | 1989-04-04 |
| 4808239 | Method of cleaning contact lens using compositions containing polyether carboxylic acid surfactant | Doris Schafer | 1989-02-28 |
| 4705991 | Method of operating a high-pressure metal vapor discharge lamp and circuit arrangement for carrying out this method | Hans G. Ganser, Reinhard Kersten, Hans Peter Stormberg | 1987-11-10 |
| 4617186 | Sustained release drug delivery system utilizing bioadhesive polymers | Doris Schafer | 1986-10-14 |
| 4609493 | Solution and method for removing inorganic and organic deposits from contact lenses | — | 1986-09-02 |
| 4599195 | Solution and method for removing protein, lipid, and calcium deposits from contact lenses | Doris Schafer | 1986-07-08 |
| 4598017 | Composite magnetic disk with Si and SiC substrate | Thomas Bayer, Holger Hinkel, Kurt Kleischmann, Ulrich Kuenzel | 1986-07-01 |
| 4546123 | Polymer hydrogels adapted for use as soft contact lenses, and method of preparing same | Doris Schafer | 1985-10-08 |
| 4521122 | Needle printer assembly | Peter Vogelhuber, Hans-Joachim Wysk | 1985-06-04 |
| 4456596 | Wound healing glycoside compositions | — | 1984-06-26 |
| 4362737 | Transdermal carrier materials | Werner Schafer, Doris Schafer | 1982-12-07 |
| 4329561 | Method of ensuring the maintenance of constant quality of spot welds | Sumanjit Singh | 1982-05-11 |