Thermally Activated Strong Acids

Shell USA, Inc.

A patent family: one line of work, grouped by real continuity rather than by a technology label inferred from titles. 3 of these applications claim priority to application 15/034,619, filed May 5, 2016. A shared origin can cover several different claimed inventions, which is why members here may not share a title. In-force patents first, soonest term end first, then patent number. Expired patents follow, in the same order.

Patent	Title	Holder	Status	Expires	Time remaining	Confidence
US 10,443,368	Thermally Activated Strong Acids Shell USA, Inc. In force Term ends Nov 5, 2034 · Medium confidence	Shell USA, Inc.	In force	Term ends Nov 5, 2034	Term ends Nov 5, 2034	Medium confidence
US 11,156,074	Thermally Activated Strong Acids Shell USA, Inc. In force Term ends Nov 5, 2034 · Medium confidence	Shell USA, Inc.	In force	Term ends Nov 5, 2034	Term ends Nov 5, 2034	Medium confidence
US 11,603,491	Thermally Activated Strong Acids Shell USA, Inc. In force Term ends Nov 5, 2034 · Medium confidence	Shell USA, Inc.	In force	Term ends Nov 5, 2034	Term ends Nov 5, 2034	Medium confidence
Application 15/034,619	Thermally Activated Strong Acids Shell Oil Company Abandoned Abandoned Aug 14, 2017	Shell Oil Company	Abandoned	Abandoned Aug 14, 2017	not computed

4 of 4 records shown. In-force patents first, soonest term end first, then patent number. Expired patents follow, in the same order.

3 of these are in force and held by Shell USA, Inc..

Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.