Hercules Powder Co
Hercules PActive Patents
0
Total Holdings
28
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 |
| US3214503A | Uniaxial orientation of polypropylene film | Expired / Lapsed | 1962-09-28 | 1965-10-26 | 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 |
| US3039840A | Process for manufacturing readily dyeable stereo regulated … | Expired / Lapsed | 1960-10-12 | 1962-06-19 | 1 | Details |
| US2998324A | Method of coating polypropylene | Expired / Lapsed | 1959-07-22 | 1961-08-29 | 2 | Details |
| US2891056A | Water-soluble allyl ethyl cellulose and its preparation | Expired / Lapsed | 1956-12-05 | 1959-06-16 | 2 | Details |
| US2826570A | Polyethylene composition and process of cross-linking | Expired / Lapsed | 1955-05-24 | 1958-03-11 | 2 | Details |
| US2826500A | Use of cationic-modified urea-formaldehyde resins in the ma… | Expired / Lapsed | 1954-12-30 | 1958-03-11 | 1 | Details |
| US2807975A | Vibratory packing machine | Expired / Lapsed | 1953-04-01 | 1957-10-01 | 0 | Details |
| US2624280A | Electric initiator | Expired / Lapsed | 1948-01-09 | 1953-01-06 | 2 | Details |
| US2405909A | Method of producing threaded spiral tubes | Expired / Lapsed | 1942-08-22 | 1946-08-13 | 0 | Details |
| US2405558A | Terpene polymer | Expired / Lapsed | 1941-03-11 | 1946-08-13 | 0 | Details |
| US2382439A | Color grading apparatus and method | Expired / Lapsed | 1941-06-19 | 1945-08-14 | 0 | Details |
| US2294651A | High-gloss coated material | Expired / Lapsed | 1936-10-26 | 1942-09-01 | 0 | Details |
| US2271724A | Coated cellulosic sheet material | Expired / Lapsed | 1938-09-30 | 1942-02-03 | 0 | Details |
| US2261985A | Fibrous tube | Expired / Lapsed | 1940-01-11 | 1941-11-11 | 0 | Details |
| US2235938A | Method of producing reaction products of ammonia and aldose… | Expired / Lapsed | 1938-10-15 | 1941-03-25 | 0 | Details |
| US2224204A | Shell inspecting machine | Expired / Lapsed | 1939-05-12 | 1940-12-10 | 0 | Details |
| US2197540A | Method of producing reaction products of ammonia and aldose… | Expired / Lapsed | 1938-10-15 | 1940-04-16 | 0 | Details |
| US2186454A | Lacquers containing cellulose acetobutyrate and cellulose a… | Expired / Lapsed | 1937-06-24 | 1940-01-09 | 0 | Details |
| US2176053A | Sizing textile fabric | Expired / Lapsed | 1936-09-09 | 1939-10-17 | 0 | Details |
| US2137584A | Method for the production of sulphur-containing high molecu… | Expired / Lapsed | 1936-07-27 | 1938-11-22 | 0 | Details |
| US2115496A | Condensation product and method of producing | Expired / Lapsed | 1935-07-11 | 1938-04-26 | 0 | Details |
| US2028189A | Undercoat for lacquers and lacquered material | Expired / Lapsed | 1932-10-12 | 1936-01-21 | 0 | Details |
| US1463864A | Process of making storage-battery elements | Expired / Lapsed | 1922-05-24 | 1923-08-07 | 0 | Details |
| US1458925A | Detonator | Expired / Lapsed | 1921-05-18 | 1923-06-19 | 0 | Details |