Pennwalt Corp
Pennwalt CActive Patents
0
Total Holdings
8
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4424045A | Rigid high speed flexible shaft casing assembly for tight r… | Expired / Lapsed | 1982-05-24 | 1984-01-03 | 10 | Details |
| US3883596A | Fluorine and sulfur-containing compositions | Expired / Lapsed | 1974-04-08 | 1975-05-13 | 7 | Details |
| US3575882A | Encapsulation process | Expired / Lapsed | 1968-09-25 | 1971-04-20 | 0 | Details |
| US3481156A | Power transmission assembly | Expired / Lapsed | 1968-03-29 | 1969-12-02 | 0 | Details |
| US3402427A | Apparatus for extruding plastics | Expired / Lapsed | 1964-10-30 | 1968-09-24 | 0 | Details |
| US3365355A | Tetrafluoroethylene polymer articles having one readily cem… | Expired / Lapsed | 1964-04-29 | 1968-01-23 | 0 | Details |
| US3270070A | Process for the production of hydro-fluoroaromatic compounds | Expired / Lapsed | 1964-09-01 | 1966-08-30 | 2 | Details |
| US3269928A | Perfluoroaromatic compounds | Expired / Lapsed | 1962-04-05 | 1966-08-30 | 2 | Details |