United Carbon Co Inc
United CarActive Patents
0
Total Holdings
6
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2422989A | Rotary pelleting of furnace blacks | Expired / Lapsed | 1944-12-21 | 1947-06-24 | 0 | Details |
| US2368828A | Process for producing carbon black | Expired / Lapsed | 1941-04-21 | 1945-02-06 | 0 | Details |
| US2288087A | Apparatus for forming dustless carbon black | Expired / Lapsed | 1940-07-29 | 1942-06-30 | 0 | Details |
| US2283364A | Process for agglomerating carbon black | Expired / Lapsed | 1938-04-29 | 1942-05-19 | 0 | Details |
| US2213056A | Apparatus for treating dry flocculent powders | Expired / Lapsed | 1938-04-29 | 1940-08-27 | 0 | Details |
| US2040770A | Process of forming agglomerated carbon black | Expired / Lapsed | 1933-08-22 | 1936-05-12 | 0 | Details |