Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US3532457A | Catalyst for purifying exhaust gases and process of making and using same | Kali Chemie AG | Expired / Lapsed | 1966-09-02 | 1970-10-06 | 1986-09-02 | 0.0 yrs | 0 | |
| US2129296A | Screen for x-ray photography | Kali Chemie AG | Expired / Lapsed | 1936-05-07 | 1938-09-06 | 1956-05-07 | 0.0 yrs | 0 |