Ripin; David H. B.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ripin; David H. B..The latest application filed is for "process for the preparation of 1,5-naphthyridine-3-carboxyamides by direct ester amidation".
- Ripin; David H. B. - Old Saybrook CT
- Ripin, David H. B. - Westbrook CT
| Patent | Date |
|---|---|
| 3-Amino-piperidine derivatives and methods of manufacture Grant 7,084,277 - Ripin August 1, 2 | 2006-08-01 |
| Process for the preparation of 1,5-naphthyridine-3-carboxyamides by direct ester amidation App 20050038065 - Karrick, Gregory L. ; et al. | 2005-02-17 |
| Processes for the preparation of substituted bicyclic derivatives App 20050026940 - Ripin, David H. B. ; et al. | 2005-02-03 |
| Process for the preparation and purification of 1,5-naphthyridine-3-carbox- yamides and purification of 1,5-naphthyridine-3-carboxyamides App 20050004364 - Castaldi, Michael J. ; et al. | 2005-01-06 |
| Crystal forms of 2-(3-difluoromethyl-5-phenyl-pyrazol-1-yl)-5-methanesulfo- nyl pyridine App 20040266832 - Li, Zheng J. ; et al. | 2004-12-30 |
| 3-Amino-piperadine derivatives and methods of manufacture App 20040102627 - Ripin, David H.B. | 2004-05-27 |
| Novel processes and intermediates for preparing triazolo-pyridines App 20040053959 - Buzon, Richard A. SR. ; et al. | 2004-03-18 |
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