Steinstrasser; Ralf
Patent Applications and Registrations
Patent applications and USPTO patent grants for Steinstrasser; Ralf.The latest application filed is for "spray dried polyol composition and method of making".
- Steinstrasser; Ralf - Rossdorf DE
- Steinstrasser; Ralf - Darmstadt DT
- Steinstrasser; Ralf - Darmstadt-Eberstadt DT
| Patent | Date |
|---|---|
| Spray dried polyol composition and method of making Grant 5,958,471 - Schwarz , et al. September 28, 1 | 1999-09-28 |
| Nickel recovery process Grant 5,238,663 - Vikari , et al. August 24, 1 | 1993-08-24 |
| Modified nematic mixtures with positive dielectric anisotropy Grant 4,011,173 - Steinstrasser March 8, 1 | 1977-03-08 |
| Nematic compounds and mixtures Grant 4,002,670 - Steinstrasser January 11, 1 | 1977-01-11 |
| Nematic compounds and mixtures Grant 4,001,137 - Steinstrasser January 4, 1 | 1977-01-04 |
| Phenyl esters of 4-benzoyloxybenzoic acid Grant 3,953,491 - Steinstrasser , et al. April 27, 1 | 1976-04-27 |
| 4-(Alkyl)-4'-(alkoxy or alkylcarbonyloxy)-1,1'-azobene Grant 3,893,994 - Steinstrasser July 8, 1 | 1975-07-08 |
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