Axens
6 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
2
Ending by 2030
Aug 2027
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.
- 2 fees due Dec 4 to 30, 2026 · next Dec 4
- 1 fee due Jan 7, 2027The maintenance fee for Process for Coal Conversion Comprising at Least One Step of Liquefaction for the Manufacture of Aromatics (US 9,074,139) comes due Jan 7, 2027. Unpaid by Jul 7, 2027, it lapses early.
- 2 fees due Feb 6 to 13, 2027 · next Feb 6
- 2 fees due May 5, 2027
- 1 fee due Jun 10, 2027The maintenance fee for Process for the intense conversion of residues, maximizing the gas oil yield (US 10,501,695) comes due Jun 10, 2027. Unpaid by Dec 10, 2027, it lapses early.
- 1 fee due Jul 28, 2027The maintenance fee for Removal of aromatic hydrocarbons from lean acid gas feed for sulfur recovery (US 10,543,452) comes due Jul 28, 2027. Unpaid by Jan 28, 2028, it lapses early.
- 2 fees due Aug 13 to 18, 2027 · next Aug 13
- 2 fees due Sep 29, 2027
- 2 fees due Oct 7, 2027
- 1 fee due Nov 12, 2027The maintenance fee for Process for the oligomerization of light olefins by means of a reaction section comprising at least two reactors which can be permutated, promoting the selectivity for distillates (US 10,647,931) comes due Nov 12, 2027. Unpaid by May 12, 2028, it lapses early.
Recent changes
- 3 of the patents on this record were granted since Aug 16, 2026
- 1 term has ended 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 8,445,063 | Method for producing dry metal oxide compositions and coated substrates In force · From the USPTO record | In force | From the USPTO record | |
| US 10,016,744 | Method for producing metal oxide compositions and coated substrates In force · From the USPTO record | In force | From the USPTO record | |
| US 8,445,062 | Method for producing metal oxide compositions and coated substrates In force · From the USPTO record | In force | From the USPTO record | |
| US 8,916,043 | Coal Conversion Process and Products, Comprising Two Direct Ebullated Bed Liquefaction Stages and a Fixed Bed Hydrocracking Stage In force · High confidence | In force | High confidence | |
| US 9,074,139 | Process for Coal Conversion Comprising at Least One Step of Liquefaction for the Manufacture of Aromatics In force · High confidence | In force | High confidence | |
| US 8,816,147 | Process for separating 1-hexene from a mixture of products obtained from an ethylene trimerization zone In force · From the USPTO record | In force | From the USPTO record | |
| US 9,067,166 | Process for the removal of hydrogen sulfide from a gas stream In force · From the USPTO record | In force | From the USPTO record | |
| US 9,732,286 | Process for hydrogenation of a hydrocarbon feedstock comprising aromatic compounds In force · From the USPTO record | In force | From the USPTO record | |
| US 9,295,985 | Continuous catalyst regeneration reactor with a chamber for mixing gas and distributing gas in the oxychlorination zone In force · From the USPTO record | In force | From the USPTO record | |
| US 9,297,792 | Analysis Device and Associated Method for Operating Simulated Moving Bed Xylenes Separation Units a Raman Spectrometer In force · High confidence | In force | High confidence |
Also on record, not counted in the 62: 6 patents in force now held by others · 17 lapsed for an unpaid fee · 9 ended at full term. 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.
6 pending · 4 abandoned · 11 no status recorded