Basell Polyolefine GmbH
7 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.
Recorded under 32 name spellings.
56
Ending by 2030
Jan 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.
- 6 fees due Jan 9 to 30, 2027 · next Jan 9
- 1 fee due Feb 27, 2027The maintenance fee for Process for controlling the polymer composition of an ethylene copolymer obtained by a catalyst system comprising a transition metal catalyst component and a Ziegler catalyst component (US 10,392,455) comes due Feb 27, 2027. Unpaid by Aug 27, 2027, it lapses early.
- 1 fee due Mar 15, 2027The maintenance fee for Multistage process for the polymerization of olefins (US 9,133,291) comes due Mar 15, 2027. Unpaid by Sep 15, 2027, it lapses early.
- 1 fee due Apr 29, 2027The maintenance fee for Polyethylene composition having high mechanical properties and processability (US 10,457,800) comes due Apr 29, 2027. Unpaid by Oct 29, 2027, it lapses early.
- 3 fees due May 3 to 12, 2027 · next May 3
- 2 fees due Jun 5 to 19, 2027 · next Jun 5
- 3 fees due Jul 19 to 26, 2027 · next Jul 19
- 4 fees due Aug 18 to 25, 2027 · next Aug 18
- 6 fees due Sep 1 to 22, 2027 · next Sep 1
- 3 fees due Oct 14 to 21, 2027 · next Oct 14
- 2 fees due Nov 7, 2027
Recent changes
- 1 of the patents on this record was granted since Aug 17, 2026
- 8 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 7,842,764 | Metallocene compounds In force · From the USPTO record | In force | From the USPTO record | |
| US 7,795,441 | Process for preparing imino compounds In force · From the USPTO record | In force | From the USPTO record | |
| US 7,858,717 | Metallocene compounds In force · From the USPTO record | In force | From the USPTO record | |
| US 7,776,980 | Monocyclopentadienyl complexes In force · From the USPTO record | In force | From the USPTO record | |
| US 7,855,263 | Process for producing thermoformed articles In force · From the USPTO record | In force | From the USPTO record | |
| US 7,799,880 | Process for the polymerization of olefins In force · From the USPTO record | In force | From the USPTO record | |
| US 7,834,205 | Metallocene compounds In force · From the USPTO record | In force | From the USPTO record | |
| US 7,714,091 | Catalyst comprising chromium and zirconium for the polymerization and/or copolymerization of olefins In force · From the USPTO record | In force | From the USPTO record | |
| US 7,838,607 | Antistatic for olefin polymerization and process for preparing it In force · From the USPTO record | In force | From the USPTO record | |
| US 7,728,086 | Process for the polymerization of olefins In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 188: 7 patents in force now held by others · 222 lapsed for an unpaid fee · 237 ended at full term · 1 surrendered on reissue. 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.
15 pending · 15 abandoned · 75 no status recorded