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US

Method for Making Sulfated Polyaluminum Chloride (PACS) or Polyaluminum Chloride (PAC) and Pacs or Pac Made by Same

US 12,054,400 In force
OverviewFamilyAssignmentsSources & methods

Also listed on Geo Specialty Chemicals, Inc., an earlier holder on the record. The recorded assignments below show how it moved.

Term ends Jun 12, 2035 · High confidence

Held by Usalco, LLC
Filed Dec 1, 2016 as application 15/315,426 · Granted Aug 6, 2024
Base term, 20 years from filing
Today
20 years from filing
2015 2035
Clock starts
Jun 12, 2015
Term ends
Jun 12, 2035
Granted
Aug 6, 2024
base term Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
0 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
10
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. 0 of 2 maintenance fees are paid so far. Confidence: High. 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 12, 2015, when application PCT/US2015/035613, the earliest non-provisional in its chain, was filed (this one was filed Dec 1, 2016)Jun 12, 2035High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 2 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderJun 12, 2035High confidence

This family

Application PCT/US2015/035613PCT application
no patent term
no patent term
US 12,054,400this patent
Jun 2035
Jun 2035
Application 63/546,437Provisional application
no patent term
no patent term
Application 63/608,777Provisional application
no patent term
no patent term
US 12,767,567In force
Feb 2045
Feb 2045
Application 63/672,453Provisional application
no patent term
no patent term
Application 18/794,941Pending
not computed
not computed
Application 18/932,300Pending
not computed
not computed
8 of 10 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
Dec 1, 2016
Reel 40479, frame 830
Oldfield, Michael R.; Bertasi, Peter A.; Reed, Brian C.; Miller, Waldo; Braud, KeithGeo Specialty Chemicals, Inc.Assignment of Assignor's Interest
Oct 18, 2017
Reel 43898, frame 392
Geo Specialty Chemicals, Inc.U.S. Bank National AssociationSecurity Interest
Jan 11, 2019
Reel 47968, frame 591
Geo Specialty Chemicals, Inc.Citizens Bank, N.a.Security Interest
Aug 30, 2019
Reel 50219, frame 608
Geo Specialty Chemicals, Inc.Twin Brook Capital Partners, LLC, as Administrative AgentSecurity Interest
Sep 4, 2019
Reel 50264, frame 881
U.S. Bank National AssociationGeo Specialty Chemicals, Inc.Release of Security Interest
Sep 25, 2019
Reel 50486, frame 61
Citizens Bank, N.a.Geo Specialty Chemicals, Inc.Release of Security Interest
Mar 31, 2020
Reel 52270, frame 341
G2O Technologies LLCTwin Brook Capital Partners, LLC, as Administrative AgentSecurity Interest
Apr 15, 2020
Reel 52402, frame 848
Twin Brook Capital Partners, as Administrative AgentGeo Specialty Chemicals, Inc.Release of Security Interest
Aug 25, 2021
Reel 57311, frame 439
Geo Specialty Chemicals, Inc.G2O Technologies LLCConfirmatory Assignment of Patent Rights
Oct 19, 2021
Reel 57830, frame 579
Usalco, LLC; G2O Technologies LLCTwin Brook Capital Partners, LLC, as AgentSecurity Interest
Jan 25, 2022
Reel 58759, frame 518
Twin Brook Capital Partners, LLC, as Administrative AgentG2O Technologies LLCRelease of Security Interest
Jun 30, 2024
Reel 67877, frame 761
Twin Brook Capital Partners, LLC, as Administrative AgentRG Dispersants USA LLCRelease of Security Interest
Oct 1, 2024
Reel 68750, frame 624
Twin Brook Capital Partners, LLC, as AgentUsalco, LLC; G20 Technologies LLCRelease of Security Interest
Oct 1, 2024
Reel 69050, frame 516
G2O Technologies LLC; Usalco, LLCGoldman Sachs Bank USA, as Collateral AgentSecurity Agreement
Oct 1, 2024
reel/frame not recorded
Twin Brook Capital Partners, LLC, as AgentUsalco, LLCRelease of Security Interest
Oct 1, 2024
reel/frame not recorded
Twin Brook Capital Partners, LLC, as AgentG20 Technologies LLCRelease of Security Interest
Aug 17, 2026
Reel 75671, frame 735
G2O Technologies LLCUsalco, LLCAssignment 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.

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