Dressler; Hans
Patent Applications and Registrations
Patent applications and USPTO patent grants for Dressler; Hans.The latest application filed is for "hydroxyalkyl aryl ethers of di- and polyhydric phenols".
- Dressler; Hans - Monroeville PA
| Patent | Date |
|---|---|
| Hydroxyalkyl aryl ethers of di- and polyhydric phenols Grant 5,244,725 - Dressler , et al. September 14, 1 | 1993-09-14 |
| Hydroxyalkylation of phenols or thiophenols with cyclic organic carbonates using triorganophosphine catalysts Grant 5,059,723 - Dressler October 22, 1 | 1991-10-22 |
| Synthetic oils Grant 4,604,491 - Dressler , et al. August 5, 1 | 1986-08-05 |
| Rust preventives Grant 4,592,783 - Dressler , et al. June 3, 1 | 1986-06-03 |
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