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Process and Installation for the Conversion of Crude Oil to Petrochemicals Having an Improved Propylene Yield

US 10,513,476 In force, term unresolved
OverviewFamilyAssignmentsSources & methods

Term ends no later than Jun 30, 2034 · Medium confidence

In force on USPTO's status record and by its fee record. A terminal disclaimer on file may shorten this term, possibly to a date already past; its reference document is unresolved, so the date above is an upper bound and no earlier date is guessed.

Filed Oct 5, 2018 as application 16/153,125 · Granted Dec 24, 2019
Base term, 20 years from filing
Today
20 years from filing
2014 2034
Clock starts
Jun 30, 2014
Ends no later than
Jun 30, 2034
Granted
Dec 24, 2019
base term fee events 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
None
Term adjustment
No prosecution delay on this record.
Unresolved
Terminal disclaimer
On file, reference document not resolved, so the date above is an upper bound. We do not guess the cap.
1 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
5
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

This patent's term is its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. 1 of 3 maintenance fees is paid so far. Confidence: Medium. from the record

How we calculated this date

One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Jun 30, 2014, when application PCT/EP2014/063855, the earliest non-provisional in its chain, was filed (this one was filed Oct 5, 2018)Jun 30, 2034High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer on file (approved), reference document not resolvedno cap applied, and none guessedMedium confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderno later than Jun 30, 2034Medium confidence

This family

US 10,138,177In force
Jun 2034
Jun 2034
US 10,513,476this patent
no later than Jun 2034
no later than Jun 2034
US 10,259,758In force
Jun 2034
Jun 2034
US 10,787,401In force
Jun 2034
Jun 2034
4 of 5 applications in this family shown, earliest filings first. The applications whose file history this site holds. The family may have others.

Assignments

Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
RecordedAssignorAssigneeConveyance
Oct 5, 2018
Reel 47084, frame 782
Ward, Andrew Mark; Narayanaswamy, Ravichander; Rajagopalan, Vijayanand; Oprins, Arno Johannes Maria; Schaerlaeckens, Egidius Jacoba Maria; Velasco Pelaez, RaulSaudi Basic Industries Corporation; SABIC Global Technologies B.V.Assignment of Assignor's Interest
Oct 5, 2018
reel/frame not recorded
Schaerlaeckens, Egidius Jacoba Maria; Velasco Pelaez, Raul; Ward, Andrew Mark; Narayanaswamy, Ravichander; Rajagopalan, Vijayanand; Oprins, Arno Johannes MariaSaudi Basic Industries CorporationAssignment of Assignor's Interest
Oct 5, 2018
reel/frame not recorded
Schaerlaeckens, Egidius Jacoba Maria; Velasco Pelaez, Raul; Ward, Andrew Mark; Narayanaswamy, Ravichander; Rajagopalan, Vijayanand; Oprins, Arno Johannes MariaSABIC Global Technologies B.V.Assignment of Assignor's Interest

Sources

Google Patents · The patent document at USPTO · Assignment records at USPTO

USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup

Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited