Shell Oil Compny
Records under this name other than the patents Shell Oil Compny holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 1 patents it holds.
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| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,322,218 | SO.sub.2 Capture-coal combustion Term ended Term ended no later than Mar 30, 2002 · Low confidence | Term ended | Term ended no later than Mar 30, 2002 | Low confidence |