Grammel; Jurgen
Patent Applications and Registrations
Patent applications and USPTO patent grants for Grammel; Jurgen.The latest application filed is for "process for the preparation of aqueous polyurethane dispersions and solutions".
- Grammel; Jurgen - Dormagen DE
- Grammel; Jurgen - Cologne DE
| Patent | Date |
|---|---|
| Process for the preparation of aqueous polyurethane dispersions and solutions Grant 4,829,122 - Pedain , et al. May 9, 1 | 1989-05-09 |
| Process for the preparation of viscosity stable polyurethane solutions Grant 4,530,990 - Halpaap , et al. July 23, 1 | 1985-07-23 |
| Process for the preparation of aqueous polyurethane dispersions and solutions Grant 4,269,748 - Nachtkamp , et al. May 26, 1 | 1981-05-26 |
| Aqueous polyurethane dispersions from solvent-free prepolymers using sulfonate diols Grant 4,108,814 - Reiff , et al. August 22, 1 | 1978-08-22 |
| Production of water-dispersible polyurethanes having ionic groups and hydrophilic side chains Grant 4,092,286 - Noll , et al. May 30, 1 | 1978-05-30 |
| Soft textile coatings resembling napa leather Grant 4,035,213 - Thoma , et al. July 12, 1 | 1977-07-12 |
| Composite materials and processes for their production Grant 4,029,534 - Bocks , et al. June 14, 1 | 1977-06-14 |
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