Kuhner; Gerhard
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kuhner; Gerhard.The latest application filed is for "carbon blacks and process for producing them".
- Kuhner; Gerhard - Hanau DE
- Kuhner; Gerhard - Grossauheim DT
| Patent | Date |
|---|---|
| Carbon blacks and process for producing them Grant 6,099,818 - Freund , et al. August 8, 2 | 2000-08-08 |
| Process for producing furnace blacks of variable carbon black structure Grant 4,636,375 - Rothbuhr , et al. January 13, 1 | 1987-01-13 |
| Process for removing extractable substances from carbon black Grant 4,435,378 - Reck , et al. March 6, 1 | 1984-03-06 |
| Resorcinol-filler preparation, process for the production and use of the same Grant 4,381,949 - Kuhner , et al. May 3, 1 | 1983-05-03 |
| Process for the production of water containing carbon black preparations Grant 4,366,139 - Kuhner , et al. December 28, 1 | 1982-12-28 |
| Carbon black for lacquers and pigments Grant 4,221,772 - Eisenmenger , et al. September 9, 1 | 1980-09-09 |
| Process For The Production Of Color Black By The Furnace Process Grant 3,717,494 - Jager , et al. February 20, 1 | 1973-02-20 |
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