Ig Farbenindustrie Ag
Ig FarbeniActive Patents
0
Total Holdings
5
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| CH213620A | Process to prevent scale formation on iron workpieces. | Expired / Lapsed | 1939-09-19 | — | 0 | Details |
| CH132222A | Process for the preparation of a dinitroarylaminodiarylamin… | Expired / Lapsed | 1927-10-17 | — | 0 | Details |
| AT152172B | Use of higher molecular weight sulfonium compounds for the … | Expired / Lapsed | 1935-06-06 | 1938-01-10 | 0 | Details |
| AT148780B | Process for the production of felts. | Expired / Lapsed | 1936-05-09 | 1937-03-10 | 0 | Details |
| AT120874B | Process for the representation of homogeneous masses. | Expired / Lapsed | 1929-08-16 | 1931-01-26 | 0 | Details |