Roos; Ernst
Patent Applications and Registrations
Patent applications and USPTO patent grants for Roos; Ernst.The latest application filed is for "surface-active azo compounds".
- Roos; Ernst - Odenthal DE
- Roos; Ernst - Cologne DT
- Roos; Ernst - Koeln DT
| Patent | Date |
|---|---|
| Surface-active azo compounds Grant 4,476,053 - Schmidt , et al. October 9, 1 | 1984-10-09 |
| Methylol derivatives of 2,2,6,6-tetraalkylpiperidines and their production Grant 4,223,147 - Oertel , et al. September 16, 1 | 1980-09-16 |
| Permanently stabilized polymers produced by after-treatment with piperidine compounds Grant 4,153,596 - Oertel , et al. May 8, 1 | 1979-05-08 |
| Permanently stabilized polyurethanes Grant 4,145,512 - Uhrhan , et al. March 20, 1 | 1979-03-20 |
| Cyanamide stabilizers Grant 4,101,506 - Uhrhan , et al. July 18, 1 | 1978-07-18 |
| Stabilization of synthetic polymers Grant 4,088,629 - Uhrhan , et al. May 9, 1 | 1978-05-09 |
| Non-discoloring stabilizers Grant 3,960,758 - Witte , et al. June 1, 1 | 1976-06-01 |
| Process for the production of shaped structures resistant to high temperatures Grant 3,911,045 - Hartmann , et al. October 7, 1 | 1975-10-07 |
| 2,4-Bis(trifluoromethyl)-6-nitrophenol compounds Grant 3,894,074 - Wagner , et al. July 8, 1 | 1975-07-08 |
| Light-sensitive Material Having Developers Embedded Therein Grant 3,819,382 - Von Konig , et al. June 25, 1 | 1974-06-25 |
| Gelatino Silver Halide Emulsion Containing A Trimesic Aldehyde Hardening Agent Grant 3,762,926 - Himmelmann , et al. October 2, 1 | 1973-10-02 |
| Vulcanization Retarders Grant 3,671,503 - Schubart , et al. June 20, 1 | 1972-06-20 |
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