The Patent Finder
US

Processes for Making High Purity Renewable Source-Based Plasticizers and Products Made Therefrom

US 8,703,849 In force
OverviewFamilyAssignmentsSources & methods

Term ends Jan 6, 2031 · High confidence

Filed Jun 29, 2012 as application 13/519,956 · Granted Apr 22, 2014
Base term plus 2 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2011 2031
Clock starts
Jan 4, 2011
Term ends
Jan 6, 2031
Granted
Apr 22, 2014
base term fee events 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
2
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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.
2
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 runs 2 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Jan 4, 2011, when application PCT/US2011/020095, the earliest non-provisional in its chain, was filed (this one was filed Jun 29, 2012)Jan 4, 2031High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+2 days, USPTO patent term adjustment recordJan 6, 2031High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderJan 6, 2031High confidence

This family

Application PCT/US2011/020095PCT application
no patent term
no patent term
US 8,703,849this patent
Jan 2031
Jan 2031
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
Nov 12, 2015
Reel 37101, frame 448
PolyOne Corporation; Colormatrix Holdings, Inc.; PolyOne Designed Structures and Solutions LLCWells Fargo Capital Finance, LLC, as Administrative AgentSecurity Interest
Nov 16, 2015
Reel 37113, frame 144
PolyOne Corporation; Colormatrix Holdings, Inc.; PolyOne Designed Structures and Solutions LLCU.S. Bank National Association, as Collateral AgentPatent Security Agreement
Nov 19, 2015
Reel 37146, frame 724
PolyOne Corporation; Colormatrix Group, Inc.; Colormatrix Holdings, Inc.; The Colormatrix Corporation; Gayson Silicone Dispersions, Inc.; PolyOne Designed Structures and Solutions LLCCitibank, N.A,, as Administrative AgentSecurity Agreement
Jan 7, 2016
Reel 37508, frame 12
PolyOne Corporation; Colormatrix Holdings, Inc.; PolyOne Designed Structures and Solutions LLCU.S. Bank National Association, as Collateral AgentCorrective Assignment to Correct the Incorrect Appl. No. 14/501,050 Previously Recorded at Reel: 037113 Frame: 0144. Assignor(S) Hereby Confirms the Security Agreement.
Jan 27, 2016
Reel 37603, frame 208
PolyOne Corporation; Colormatrix Holdings, Inc.; PolyOne Designed Structures and Solutions LLCWells Fargo Capital Finance, LLC, as Administrative AgentCorrective Assignment to Correct the Incorrect Application Number 14/501,050 Previously Recorded on Reel 037101 Frame 0448. Assignor(S) Hereby Confirms the Patent Security Agreement.
Mar 23, 2018
reel/frame not recorded
U.S. Bank National Association, as Collateral AgentPolyOne CorporationRelease of Security Interest in Patents at Reel/Frame 037113/0144
Mar 23, 2018
reel/frame not recorded
U.S. Bank National Association, as Collateral AgentColormatrix Holdings, Inc.Release of Security Interest in Patents at Reel/Frame 037113/0144
Mar 23, 2018
Reel 45680, frame 342
U.S. Bank National Association, as Collateral AgentPolyOne Corporation; Colormatrix Holdings, Inc.Release of Security Interest in Patents at Reel/Frame 037113/0144
Oct 25, 2019
Reel 50829, frame 840
Echo US Holdings, LLCCerberus Business Finance Agency, LLCAssignment for Security -- Patents
Oct 28, 2019
reel/frame not recorded
Wells Fargo Capital Finance LLCPolyOne CorporationPartial Release of Security Interest Recorded at R/F 037101/0448
Oct 28, 2019
reel/frame not recorded
Wells Fargo Capital Finance LLCColormatrix Holdings, Inc.Partial Release of Security Interest Recorded at R/F 037101/0448
Oct 28, 2019
Reel 50838, frame 320
Citibank, N.A., as Administrative AgentPolyOne CorporationPartial Release of Security Interest Recorded at R/F/ 037146/0724
Oct 28, 2019
Reel 50847, frame 396
PolyOne CorporationEcho US Holdings, LLCAssignment of Assignor's Interest
Oct 28, 2019
Reel 50838, frame 181
Wells Fargo Capital Finance LLCPolyOne Corporation; Colormatrix Holdings, Inc.Partial Release of Security Interest Recorded at R/F 037101/0448
Oct 29, 2019
Reel 50860, frame 746
Echo US Holdings, LLCGeon Performance Solutions, LLCChange of Name
Aug 18, 2021
Reel 57221, frame 585
Cerberus Business Finance Agency, LLCEcho US Holdings, LLCRelease of Security Interest in Patents
Jun 24, 2025
reel/frame not recorded
Wells Fargo Capital Finance, LLC, as Administrative AgentAvient Corporation (F/K/A PolyOne Corporation)Release of Security Interests in Patents Recorded at Reel 037101, Frame 0448.
Jun 24, 2025
reel/frame not recorded
Wells Fargo Capital Finance, LLC, as Administrative AgentColormatrix Holdings, Inc.Release of Security Interests in Patents Recorded at Reel 037101, Frame 0448.
Jun 24, 2025
Reel 71730, frame 746
Wells Fargo Capital Finance, LLC, as Administrative AgentAvient Corporation (F/K/A PolyOne Corporation); Colormatrix Holdings, Inc.Release of Security Interests in Patents Recorded at Reel 037101, Frame 0448.

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 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited