Shell Oil Comany
Records under this name other than patents Shell Oil Comany holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Showing 1 to 3 of 3 · Back to Shell Oil Comany
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,378,291 | High volume stationary skimmer Term ended Term ended no later than Mar 29, 2003 · Low confidence | Term ended | Term ended no later than Mar 29, 2003 | Low confidence |
| US 5,147,570 | Process for preparing a dispersant/VI improver and product prepared therefrom Term ended Term ended no later than Sep 15, 2012 · Low confidence | Term ended | Term ended no later than Sep 15, 2012 | Low confidence |
| US 5,346,769 | Process for preparing a prepeg comprising a resin derived from dialkenylbenzene and polyarylamine reactants Term ended Term ended no later than Sep 13, 2014 · Low confidence | Term ended | Term ended no later than Sep 13, 2014 | Low confidence |