Hercules Powder Co
Hercules PActive Patents
0
Total Holdings
6
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3222437A | Process for simultaneously molding and expanding stereoregu… | Expired / Lapsed | 1962-06-18 | 1965-12-07 | 2 | Details |
| US3142092A | Apparatus for simultaneously extruding and cooling tubular … | Expired / Lapsed | 1961-04-28 | 1964-07-28 | 1 | Details |
| US3131176A | Manufacture of water-soluble hydroxyalkyl cellulose ethers | Expired / Lapsed | 1960-04-13 | 1964-04-28 | 2 | Details |
| US3131177A | Manufacture of water-soluble hydroxyalkyl cellulose ethers | Expired / Lapsed | 1960-04-13 | 1964-04-28 | 2 | Details |
| US2891056A | Water-soluble allyl ethyl cellulose and its preparation | Expired / Lapsed | 1956-12-05 | 1959-06-16 | 2 | Details |
| US2176053A | Sizing textile fabric | Expired / Lapsed | 1936-09-09 | 1939-10-17 | 0 | Details |