Versalis S.P.A.
10 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.
9
Ending by 2030
Jul 2028
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.
- 3 fees due Nov 19 to 30, 2026 · next Nov 19
- 3 fees due Dec 11 to 25, 2026 · next Dec 11
- 4 fees due Jan 2 to 28, 2027 · next Jan 2
- 5 fees due Feb 4 to 20, 2027 · next Feb 4
- 6 fees due Mar 1 to 22, 2027 · next Mar 1
- 7 fees due Apr 3 to 20, 2027 · next Apr 3
- 4 fees due May 17 to 26, 2027 · next May 17
- 5 fees due Jun 1 to 26, 2027 · next Jun 1
- 3 fees due Jul 7 to 16, 2027 · next Jul 7
- 5 fees due Aug 11 to 27, 2027 · next Aug 11
- 4 fees due Sep 15 to 29, 2027 · next Sep 15
- 3 fees due Oct 7 to 28, 2027 · next Oct 7
- 2 fees due Nov 10 to 12, 2027 · next Nov 10
Recent changes
- 2 terms have ended since Aug 17, 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 9,447,273 | Process for the preparation of granules based on expandable thermoplastic polymers and relative product In force · From the USPTO record | In force | From the USPTO record | |
| US 9,752,169 | Process for the rapid hydrolysis of high solids biomass In force · From the USPTO record | In force | From the USPTO record | |
| US 11,091,599 | Compositions of expandable vinyl aromatic polymers with an improved thermal insulation capacity, process for their preparation and expanded articles obtained therefrom In force · From the USPTO record | In force | From the USPTO record | |
| US 8,535,585 | Process for the preparation of granules based on expandable thermoplastic polymers and relative product In force · From the USPTO record | In force | From the USPTO record | |
| US 8,394,277 | Regenerative purification of a pretreated biomass stream In force · From the USPTO record | In force | From the USPTO record | |
| US 9,084,981 | Regenerative purification of a pretreated biomass stream In force · From the USPTO record | In force | From the USPTO record | |
| US 9,506,098 | Process for the rapid hydrolysis of high solids biomass In force · From the USPTO record | In force | From the USPTO record | |
| US 10,961,365 | Compositions of expandable vinyl aromatic polymers with an improved thermal insulation capacity, process for their production and expanded articles obtained therefrom In force · From the USPTO record | In force | From the USPTO record | |
| US 9,334,341 | Catalysts of the ziegler-natta type for the (co)polymerization of olefins with a high productivity In force · From the USPTO record | In force | From the USPTO record | |
| US 9,006,476 | Process for the Production of High-Purity Dimethyl Carbonate In force · High confidence | In force | High confidence |
Also on record, not counted in the 170: 10 patents in force now held by others · 18 lapsed for an unpaid fee · 1 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.
10 pending · 4 abandoned · 13 no status recorded