Issued Patents All Time
Showing 25 most recent of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7816525 | Process for the preparation of optically pure tetrahydropterins and derivatives, and specifically of optically pure tetrahydrofolic acid and derivatives thereof, by stereospecific hydrogenation | Rudolf Moser, Viola Groehn, Benoit Pugin | 2010-10-19 |
| 6858731 | Process for the preparation of pure stereoisomers of tetrahydrofolic acid esters salts and tetrahydrofolic acid by fractionated crystallization of tetrahydrofolic acid esters salts | Rudolf Moser, Viola Groehn | 2005-02-22 |
| 6849735 | Methods of synthesis for 9-substituted hypoxanthine derivatives | Alvin J. Glasky, Heinrich Bollinger | 2005-02-01 |
| 6710723 | Terrain data retrieval system | Kevin J Conner, Steven C. Johnson | 2004-03-23 |
| 6606034 | Terrain awareness system | Kevin J Conner, Steven C. Johnson | 2003-08-12 |
| 6596721 | Stable crystalline (6R) -tetrahydrofolic acid | Martin Ulmann, Rudolf Moser, Thomas Ammann | 2003-07-22 |
| 6407237 | Crystal forms of 9-substituted hypoxanthine derivatives | Alvin J. Glasky, Heinrich Bollinger | 2002-06-18 |
| 6292721 | Premature descent into terrain visual awareness enhancement to EGPWS | Kevin J Conner | 2001-09-18 |
| 6271374 | Stable crystalline (6S)- and (6R)-tetrahydrofolic acid | Martin Ulmann, Rudolf Moser, Thomas Ammann | 2001-08-07 |
| 6253925 | Mechanical gap filter | — | 2001-07-03 |
| 6194600 | Method of producing aminocyanoacetamide | Heinrich Bollinger, Peter Schwaninger, Martin Kurz | 2001-02-27 |
| 6140507 | Method for debenzylation of dibenzylbiotin | Ulrich Heywang, Heinrich Bollinger | 2000-10-31 |
| 6011040 | Use of tetrahydrofolates in natural stereoisomeric form for the production of a pharmaceutical preparation suitable for influencing the homocysteine level, particularly for assisting the remethylation of homocysteine | Martin Ulmann, Rudolf Moser | 2000-01-04 |
| 5839080 | Terrain awareness system | Kevin J Conner, Steven C. Johnson | 1998-11-17 |
| 5817659 | Stable crystalline tetrahydrofolic acid salts | Martin Ulmann, Rudolf Moser, Thomas Ammann | 1998-10-06 |
| 5455236 | 5,10-methylenetetrahydrofolic acid-cyclodextrin inclusion compounds | Martin Ulmann, Josef Conti | 1995-10-03 |
| 5324836 | Process for the preparation of (6S)- and (6R)-tetrahydrofolic acid | Martin Ulmann, Josef Conti, Gunter Murdel | 1994-06-28 |
| 5300505 | Stable salts of 5,10-methylenetetrahydrofolic acid | Martin Ulmann, Josef Conti | 1994-04-05 |
| 5248767 | Process for the preparation of a pasteurized immunoglobulin preparation using ethanol | Helmut Geiger | 1993-09-28 |
| 5220322 | Ground proximity warning system for use with aircraft having egraded performance | Charles D. Bateman, J. Howard Glover | 1993-06-15 |
| 5153588 | Warning system having low intensity wind shear enhancements | — | 1992-10-06 |
| 5085997 | Method of separating yeasts from fermentation liquors | — | 1992-02-04 |
| 5030350 | Filter medium for cake-forming filtration processes | — | 1991-07-09 |
| 5006655 | Process for the preparation of tetrahydrofolates | Martin Ulmann, Josef Conti, Gunter Murdel | 1991-04-09 |
| 4891642 | Wind shear detection system | — | 1990-01-02 |