Exelus Inc.
1 more in force is now held by another company
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Apr 2032
Next term end
When these terms end
Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045
Fee deadlines
Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
- 1 fee due Jan 14, 2027The maintenance fee for Production of a high octane alkylate from ethylene and isobutene (US 9,079,815) comes due Jan 14, 2027. Unpaid by Jul 14, 2027, it lapses early.
- 1 fee due May 5, 2027The maintenance fee for Catalyzed alkylation, alkylation catalysts, and methods of making alkylation catalysts (US 10,464,863) comes due May 5, 2027. Unpaid by Nov 5, 2027, it lapses early.
- 1 fee due Jun 26, 2027The maintenance fee for Solid-acid catalyzed paraffin alkylation with rare earth-modified molecular sieve adsorbents (US 11,851,386) comes due Jun 26, 2027. Unpaid by Dec 27, 2027, it lapses early.
- 1 fee due Aug 6, 2027The maintenance fee for Catalyzed alkylation, alkylation catalysts, and methods of making alkylation catalysts (US 11,891,347) comes due Aug 6, 2027. Unpaid by Feb 7, 2028, it lapses early.
Recent changes
- 1 of the patents on this record was granted since Aug 16, 2026
Patents held now
Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 9,079,815 | Production of a high octane alkylate from ethylene and isobutene In force · From the USPTO record | In force | From the USPTO record | |
| US 11,261,139 | Catalyzed alkylation, alkylation catalysts, and methods of making alkylation catalysts In force · From the USPTO record | In force | From the USPTO record | |
| US 11,891,347 | Catalyzed alkylation, alkylation catalysts, and methods of making alkylation catalysts In force · From the USPTO record | In force | From the USPTO record | |
| US 10,464,863 | Catalyzed alkylation, alkylation catalysts, and methods of making alkylation catalysts In force · From the USPTO record | In force | From the USPTO record | |
| US 10,662,126 | Process of Making Olefins or Alkylate by Reaction of Methanol and/or DME or by Reaction of Methanol and/or DME and Butane In force · High confidence | In force | High confidence | |
| US 11,492,307 | Process of Making Olefins or Alkylate by Reaction of Methanol and/or DME or by Reaction of Methanol and/or DME and Butane In force · High confidence | In force | High confidence | |
| US 10,179,753 | Process of Making Olefins or Alkylate by Reaction of Methanol And/Or Dme or by Reaction of Methanol And/Or Dme and Butane In force · High confidence | In force | High confidence | |
| US 11,033,880 | Mixed Metal Oxide Catalyst useful for Paraffin Dehydrogenation In force · High confidence | In force | High confidence | |
| US 11,364,482 | Mixed metal oxide catalyst useful for paraffin dehydrogenation In force · From the USPTO record | In force | From the USPTO record | |
| US 11,478,778 | Mixed Metal Oxide Catalyst useful for Paraffin Dehydrogenation In force · High confidence | In force | High confidence |
Also on record, not counted in the 14: 1 patent in force now held by others · 1 lapsed for an unpaid fee. List them
Sources and methods
Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand.
How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
Published applications
US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.
1 pending