Lang; Siegfried
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lang; Siegfried.The latest application filed is for "depth-type filter for killing microorganisms and inactivating viruses and its use".
- Lang; Siegfried - Ludwigshafen DE
- Lang; Siegfried - Gartringen-Rohrau DE
| Patent | Date |
|---|---|
| Depth-type filter for killing microorganisms and inactivating viruses and its use Grant 6,627,088 - Breitenbach , et al. September 30, 2 | 2003-09-30 |
| Topical Products as prophylactic of curative agents for bacterial skin infections Grant 6,231,848 - Breitenbach , et al. May 15, 2 | 2001-05-15 |
| Polymer/hydrogen peroxide complexes Grant 5,945,032 - Breitenbach , et al. August 31, 1 | 1999-08-31 |
| Pyrrolidonyl-containing polyesters and polyamides Grant 5,880,252 - Kim , et al. March 9, 1 | 1999-03-09 |
| Direct tabletting aids Grant 5,840,769 - Kolter , et al. November 24, 1 | 1998-11-24 |
| Infrared radiation process for a high contrast in the natural grain of a naturally pale wood Grant 5,190,791 - Gunter , et al. March 2, 1 | 1993-03-02 |
| Direct tableting auxiliary Grant 5,006,345 - Lang April 9, 1 | 1991-04-09 |
| Preparation of solid pharmaceutical forms Grant 4,801,460 - Goertz , et al. January 31, 1 | 1989-01-31 |
| Preparation of polyvinylpyrrolidone Grant 4,786,699 - Nuber , et al. November 22, 1 | 1988-11-22 |
| Water-soluble polymers having a low hygroscopicity Grant 4,551,512 - Straub , et al. November 5, 1 | 1985-11-05 |
| Oxyalkylated fatty acids and their use as solubilizers Grant 4,366,151 - Oppenlaender , et al. December 28, 1 | 1982-12-28 |
| Biodegradable vinylpyrrolidone polymers, their manufacture and use Grant 4,254,239 - Straub , et al. March 3, 1 | 1981-03-03 |
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