Pelzl; Gerhard
Patent Applications and Registrations
Patent applications and USPTO patent grants for Pelzl; Gerhard.The latest application filed is for "liquid-crystalline, 2,5-disubstituted, 1,3,4-thiadiazoles with extended smectic c phases".
- Pelzl; Gerhard - Halle-Neustadt DD
- Pelzl; Gerhard - Halle DD
| Patent | Date |
|---|---|
| Liquid-crystalline, 2,5-disubstituted, 1,3,4-thiadiazoles with extended smectic C phases Grant 4,952,699 - Yong , et al. August 28, 1 | 1990-08-28 |
| Ferroelectric liquid crystals Grant 4,874,544 - Yong , et al. October 17, 1 | 1989-10-17 |
| Mixing component for liquid crystal substances Grant 4,615,824 - Demus , et al. October 7, 1 | 1986-10-07 |
| Nematic liquid crystal compounds Grant 4,358,589 - Schubert , et al. November 9, 1 | 1982-11-09 |
| Liquid crystals for electro-optical devices Grant 4,356,103 - Schubert , et al. October 26, 1 | 1982-10-26 |
| Nematic liquid crystal mixtures Grant 4,348,298 - Zaschke , et al. September 7, 1 | 1982-09-07 |
| Use of nematic liquid crystalline substances Grant 3,876,286 - Deutscher , et al. April 8, 1 | 1975-04-08 |
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