Auhorn; Werner
Patent Applications and Registrations
Patent applications and USPTO patent grants for Auhorn; Werner.The latest application filed is for "method for producing paper".
- Auhorn; Werner - Frankenthal DE
| Patent | Date |
|---|---|
| Method for producing paper Grant 6,083,348 - Auhorn , et al. July 4, 2 | 2000-07-04 |
| Production of paper, board and cardboard Grant 5,145,559 - Auhorn , et al. September 8, 1 | 1992-09-08 |
| Making paper, board and cardboard of high dry strength Grant 4,940,514 - Stange , et al. * July 10, 1 | 1990-07-10 |
| Printability of paper Grant 4,908,240 - Auhorn , et al. March 13, 1 | 1990-03-13 |
| Production of paper, board and cardboard Grant 4,772,359 - Linhart , et al. September 20, 1 | 1988-09-20 |
| Production of paper and cardboard Grant 4,749,444 - Lorz , et al. June 7, 1 | 1988-06-07 |
| Removal of anionic compounds from water Grant 4,425,238 - Degen , et al. January 10, 1 | 1984-01-10 |
| Incorporating a crosslinked polyamidoamine condensation product into paper-making pulp Grant 4,144,123 - Scharf , et al. March 13, 1 | 1979-03-13 |
| Nitrogenous condensation products used as retention aids in papermaking Grant 4,066,494 - Scharf , et al. January 3, 1 | 1978-01-03 |
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