National Aniline and Chemical Co Inc
National AActive Patents
0
Total Holdings
6
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2221933A | Wetting composition | Expired / Lapsed | 1937-12-30 | 1940-11-19 | 0 | Details |
| US2067019A | Phthalic anhydride recovery | Expired / Lapsed | 1933-12-29 | 1937-01-05 | 0 | Details |
| US2011710A | Apparatus for measuring temperature | Expired / Lapsed | 1928-08-18 | 1935-08-20 | 0 | Details |
| US2004569A | Electrometric determinations | Expired / Lapsed | 1926-05-14 | 1935-06-11 | 0 | Details |
| US1773110A | Stop valve | Expired / Lapsed | 1925-08-06 | 1930-08-19 | 0 | Details |
| US1744598A | Process and apparatus for heating | Expired / Lapsed | 1925-01-17 | 1930-01-21 | 0 | Details |