Patent Explorer
Browse, filter, and analyze 3 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2441559A | Luminescent coated articles | Heyden Chemical Corp | Expired / Lapsed | 1943-12-01 | 1948-05-18 | 1963-12-01 | 0.0 yrs | 0 | |
| US2441595A | Process for producing chlorohydrins of polyhydric alcohols | Heyden Chemical Corp | Expired / Lapsed | 1944-11-30 | 1948-05-18 | 1964-11-30 | 0.0 yrs | 0 | |
| US2388235A | Nitrogen-containing resins and process of exchanging anions in fluid media | Heyden Chemical Corp | Expired / Lapsed | 1941-07-03 | 1945-11-06 | 1961-07-03 | 0.0 yrs | 0 |