Issued Patents All Time
Showing 51–67 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5593660 | Cascade polymers with iodoaromatic compounds | Franz-Karl Maier, Michael Bauer, Gabriele Schuhmann-Giampieri, Wolf-Rudiger Press | 1997-01-14 |
| 5350750 | .beta.-carboline-3-hydroxyalkylcarboxylic acid ester derivatives, process for their production and their use in pharmaceutical agents | Andreas Huth, Martin Kruger, Dieter Seidelmann, Ralph Schmiechen, Herbert Schneider +1 more | 1994-09-27 |
| 5248490 | Process for the preparation of silicon nitride having a small crystallite size | — | 1993-09-28 |
| 5236684 | Process for the preparation of spherical amorphous silicon nitride | — | 1993-08-17 |
| 5124267 | Method for the determination of small substance quantities of medicines, of endogenous or other chemical compounds in biological material | Michael Humpel, Paul-Eberhard Schulze, Bob Nieuweboer | 1992-06-23 |
| 4894469 | Process for making halogenated phosphonophosphoric acid-esters and their use | Horst Staendeke | 1990-01-16 |
| 4861863 | Process for the production and purification of SH-terminated prepolymers and use thereof | Rene-Andres A. Gonzalez, Winfried Emmerling, Tore Podola, Klaus Neitzer | 1989-08-29 |
| 4525333 | Process for separating gallium and indium from aqueous solutions | Gunther Schimmel, Gero Heymer, Werner Pieper | 1985-06-25 |
| 4507249 | Process for making derivatives of vinylphosphonic acid or vinylpyrophosphonic acid | Werner Pieper | 1985-03-26 |
| 4503016 | Process for extracting heavy metal ions from aqueous solutions | G/u/ nther Schimmel, Reinhard Gradl | 1985-03-05 |
| 4486357 | Process for making vinylphosphonic acid or vinylpyrophosphonic acid | Werner Pieper | 1984-12-04 |
| 4468355 | Process for making 1-hydroxy-alkane-1-phosphonic acids | Werner Pieper | 1984-08-28 |
| 4452768 | Process for removing heavy metal ions from wet-processed phosphoric acid | Reinhard Gradl, Gunther Schimmel, Gero Heymer | 1984-06-05 |
| 4415505 | Process for making alkyl or arylthiophosphonic acid | — | 1983-11-15 |
| 4397791 | Process for reacting alcohols and/or phenols with phosphorus pentasulfide | Jurgen Grosse, Werner Klose | 1983-08-09 |
| 4262163 | Busway phase transposition assembly | James M. Durrell | 1981-04-14 |
| 4195198 | Busway ground bus joint | — | 1980-03-25 |