Klein; Alfons
Patent Applications and Registrations
Patent applications and USPTO patent grants for Klein; Alfons.The latest application filed is for "heat transfer fluid and process for its preparation".
- Klein; Alfons - Duesseldorf DE
| Patent | Date |
|---|---|
| Heat transfer fluid and process for its preparation Grant 5,384,059 - Klein , et al. January 24, 1 | 1995-01-24 |
| Process for the isolation of alkylated aromatic amines Grant 4,973,759 - Klein , et al. November 27, 1 | 1990-11-27 |
| Dielectric impregnating fluid and its use Grant 4,410,869 - Klein , et al. October 18, 1 | 1983-10-18 |
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