IG Farbenindustrie AG
IG FarbeniActive Patents
0
Total Holdings
7
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| FR55581E | Process for the production of rubber processing products | Expired / Lapsed | 1942-09-24 | 1952-09-01 | 0 | Details |
| US2241321A | Preparation of polyamides | Expired / Lapsed | 1938-07-20 | 1941-05-06 | 0 | Details |
| US2213125A | Manufacture of materials resembling crepe | Expired / Lapsed | 1936-09-15 | 1940-08-27 | 0 | Details |
| US2088085A | Production of stable and efficient foam | Expired / Lapsed | 1934-10-03 | 1937-07-27 | 0 | Details |
| US2019834A | Production of plywood and other joined wooden articles | Expired / Lapsed | 1930-07-11 | 1935-11-05 | 0 | Details |
| US1959185A | Production of adheshves | Expired / Lapsed | 1930-06-17 | 1934-05-15 | 0 | Details |
| US1885451A | Process of preparing an active mass for cathodes of electri… | Expired / Lapsed | 1930-05-22 | 1932-11-01 | 0 | Details |