Birrenbach; Gerd
Patent Applications and Registrations
Patent applications and USPTO patent grants for Birrenbach; Gerd.The latest application filed is for "photostabilization of dibenzoylmethane derivatives".
- Birrenbach; Gerd - Kappel CH
- Birrenbach; Gerd - Aesch CH
| Patent | Date |
|---|---|
| Photostabilization of dibenzoylmethane derivatives Grant 6,803,063 - Birrenbach October 12, 2 | 2004-10-12 |
| Photostabilization of dibenzoylmethane derivatives App 20030185770 - Birrenbach, Gerd | 2003-10-02 |
| Oral pharmaceutical preparation containing erythromycin base Grant 5,897,877 - Birrenbach , et al. April 27, 1 | 1999-04-27 |
| Drugs containing S(+)-ibuprofen Grant 5,631,296 - Birrenbach , et al. May 20, 1 | 1997-05-20 |
| Solid, fast-soluble pharmaceutical preparation containing S-(carboxymethyl)-L-cysteine and/or N-acetylcysteine Grant 5,401,514 - Juch , et al. March 28, 1 | 1995-03-28 |
| Microcapsules in the nanometric range and a method for their production Grant 4,021,364 - Speiser , et al. May 3, 1 | 1977-05-03 |
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