Orthmann; Ernst
Patent Applications and Registrations
Patent applications and USPTO patent grants for Orthmann; Ernst.The latest application filed is for "process for the continuous production of polyurethane and polyurethane urea prepolymers".
- Orthmann; Ernst - Dormagen DE
- Orthmann; Ernst - Mainz-Bretzenheim DE
| Patent | Date |
|---|---|
| Process for the continuous production of polyurethane and polyurethane urea prepolymers Grant 5,908,913 - Orthmann , et al. June 1, 1 | 1999-06-01 |
| Thermoplastic compositions of polyurethanes and partly crosslinked alkyl acrylate copolymers Grant 5,237,001 - Piejko , et al. August 17, 1 | 1993-08-17 |
| Layer elements and their production Grant 4,886,685 - Wegner , et al. December 12, 1 | 1989-12-12 |
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