Pechiney SA
Pechiney SActive Patents
0
Total Holdings
7
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| FR2168221A1 | Polyurethane copolymers - used for coatings esp on textiles | Expired / Lapsed | 1972-01-21 | — | 0 | Details |
| US3519394A | Apparatus for the fabrication of a synthetic ruby | Expired / Lapsed | 1967-01-09 | 1970-07-07 | 0 | Details |
| US3286465A | Drive regulating mechanisms | Expired / Lapsed | 1963-12-03 | 1966-11-22 | 2 | Details |
| US3280231A | Method for manufacture of low permeability carbonaceous pro… | Expired / Lapsed | 1964-02-20 | 1966-10-18 | 2 | Details |
| US2996354A | Process for treating powdered materials with gases and resu… | Expired / Lapsed | 1957-10-07 | 1961-08-15 | 2 | Details |
| US2881051A | Process for forming a stable agglomerated mass of active al… | Expired / Lapsed | 1954-03-19 | 1959-04-07 | 2 | Details |
| US2755925A | Extrusion of metals | Expired / Lapsed | 1953-02-17 | 1956-07-24 | 4 | Details |