Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2440756A | Method of producing catalyst | Filtrol Corp | Expired / Lapsed | 1944-10-13 | 1948-05-04 | 1964-10-13 | 0.0 yrs | 0 | |
| US2391312A | Catalyst and method for forming catalysts | Filtrol Corp | Expired / Lapsed | 1943-02-01 | 1945-12-18 | 1963-02-01 | 0.0 yrs | 0 |