Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6624794 | Antenna with at least one vertical radiator | Dirk Wendt, Markus Pfletschinger, Peter Riedhofer | 2003-09-23 |
| 6499902 | Writing and metering device | — | 2002-12-31 |
| 6315477 | Writing device with at least two writing elements | Ulrich Mueller | 2001-11-13 |
| 5922851 | Methods of chelating or bleaching using phosphonomethylated chitosans | Thomas Maier, Albert Stehlin | 1999-07-13 |
| 5777091 | Phosphonomethylated chitosans | Thomas Maier, Albert Stehlin | 1998-07-07 |
| 5741783 | N-cyanomethylated chitosans and hydrolysates thereof | Jürg Haase | 1998-04-21 |
| 5460630 | Process for dyeing fibrous materials made of or containing wool | Philippe Ouziel | 1995-10-24 |
| 5445655 | Auxiliary for textile wet finishing processes | Philippe Ouziel | 1995-08-29 |
| 5435807 | Process for dyeing wool-containing fibre materials with anionic dyes in the presence of a wool protective agent | — | 1995-07-25 |
| 5399616 | Lubricant-containing aqueous preparations of copolymers | Philippe Ouziel, Hans-Ulrich Berendt | 1995-03-21 |
| 5356442 | Method for dyeing fibrous materials made of or containing wool | Philippe Ouziel | 1994-10-18 |
| 4996348 | N-alkenoyl enamides, their preparation and the use thereof | Philippe Ouziel | 1991-02-26 |
| 4792619 | Process for printing or dyeing cellulose-containing textile material: novel quaternary ammonium salt from sulpho-succinic acid mixed: di-ester for dye foam stability | Hans-Ulrich Berendt | 1988-12-20 |
| 4741739 | Process for printing or dyeing cellulose-containing textile material with reactive dyes in aqueous foam preparation containing a quaternary ammonium condensate | Hans-Ulrich Berendt | 1988-05-03 |
| 4734100 | Process for printing or dyeing cellulose-containing textile material | Hans-Ulrich Berendt | 1988-03-29 |
| 4556467 | Apparatus for ultrasonic processing of materials | Vernon Zeitz | 1985-12-03 |
| 4331635 | Recovery of copper and/or nickel and/or zinc | Nathaniel Arbiter | 1982-05-25 |