Collateral for a security interest recorded Jun 9, 2022 (Goldman Sachs Bank USA).
Term ends Apr 11, 2027 · High confidence
20-year base term ends Apr 11, 2027
Held by Bakelite UK Holding Ltd.
Filed Dec 16, 2008 as application 12/226,159 · Granted Sep 27, 2011
Base term, 20 years from filing
Today
2007
2027
Clock starts
Apr 11, 2007
Apr 11, 2007
Term ends
Apr 11, 2027
Apr 11, 2027
Granted
Sep 27, 2011
Sep 27, 2011
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
None
Term adjustment
No prosecution delay on this record.
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 is its 20-year base term, with no adjustment for 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.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Apr 11, 2007, when application PCT/EP2007/003198, the earliest non-provisional in its chain, was filed (this one was filed Dec 16, 2008) | Apr 11, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Apr 11, 2027 | High confidence |
This family
| US 8,026,300 | this patent Apr 2027 | Apr 2027 |
1 of 2 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.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Dec 16, 2008 Reel 21987, frame 591 | Romahn, Carsten; Schwab, Michael; Kuhlmann, Gunda; Stracke, Peter | Hexion Specialty Chemicals, Inc. | Assignment of Assignor's Interest |
| Jan 29, 2010 Reel 23963, frame 38 | Hexion Specialty Chemicals, Inc.; Borden Chemical Foundry, LLC; Borden Chemical Investments, Inc.; Hexion U.S. Finance Corp.; HSC Capital Corporation; Lawter International Inc.; Borden Chemical International, Inc.; Oilfield Technology Group, Inc.; Hexion Ci Holding Company (China) LLC | Wilmington Trust Fsb, As Collateral Agent | Security Interest |
| Feb 5, 2010 Reel 23905, frame 451 | Hexion LLC; Hexion Specialty Chemicals, Inc.; Borden Chemical Foundry, LLC; Borden Chemical Investments, Inc.; Hexion U.S. Finance Corp.; HSC Capital Corporation; Lawter International Inc.; Borden Chemical International, Inc.; Oilfield Technology Group, Inc.; Hexion Ci Holding Company (China) LLC | JPMorgan Chase Bank, N.A., as Administrative Agent | Security Agreement |
| Aug 24, 2011 Reel 26799, frame 989 | Hexion Specialty Chemicals, Inc. | Momentive Specialty Chemicals Inc. | Change of Name |
| Mar 28, 2013 Reel 30111, frame 21 | Jpmorgan Chase Bank, N.a. | Momentive Specialty Chemicals Inc. (F/K/A Hexion Specialty Chemicals, Inc.) | Termination and Release of Security Interest in Patent Rights |
| Apr 3, 2013 Reel 30146, frame 946 | Momentive Specialty Chemicals Inc. | Wilmington Trust, National Association | Patent Security Agreement |
| Apr 3, 2013 Reel 30146, frame 970 | Momentive Specialty Chemicals Inc. | Jpmorgan Chase Bank, N.a. | Patent Security Agreement |
| Feb 5, 2015 Reel 34912, frame 838 | Momentive Specialty Chemicals Inc. | Hexion Inc. | Change of Name |
| Feb 13, 2017 Reel 41693, frame 888 | Hexion Inc. | Wilmington Trust, National Association, as Collateral Agent | Security Interest |
| Feb 23, 2017 Reel 41793, frame 1 | Wilmington Trust, National Association (Successor by Merger to Wilmington Trust FSB), as Collateral Agent | Hexion Inc. (Formerly Known as Hexion Specialty Chemicals Inc.); Borden Chemical Foundry, LLC; Hexion Investments Inc. (Formerly Known as Borden Chemical Investments, Inc.); Hexion U.S. Finance Corp.; HSC Capital Corporation; Lawter International Inc.; Hexion International Inc. (Formerly Known as Borden Chemical International Inc.); Oilfield Technology Group, Inc.; Hexion Ci Holding Company (China) LLC | Release of Security Interest |
| Feb 23, 2017 reel/frame not recorded | Wilmington Trust, National Association (Successor by Merger to Wilmington Trust FSB), as Collateral Agent | Hexion Inc. (Formerly Known as Hexion Specialty Chemicals Inc.) | Release of Security Interest |
| Feb 23, 2017 reel/frame not recorded | Wilmington Trust, National Association (Successor by Merger to Wilmington Trust FSB), as Collateral Agent | Borden Chemical Foundry, LLC | Release of Security Interest |
| Feb 23, 2017 reel/frame not recorded | Wilmington Trust, National Association (Successor by Merger to Wilmington Trust FSB), as Collateral Agent | Hexion Investments Inc. (Formerly Known as Borden Chemical Investments, Inc.) | Release of Security Interest |
| Feb 23, 2017 reel/frame not recorded | Wilmington Trust, National Association (Successor by Merger to Wilmington Trust FSB), as Collateral Agent | Hexion U.S. Finance Corp. | Release of Security Interest |
| Feb 23, 2017 reel/frame not recorded | Wilmington Trust, National Association (Successor by Merger to Wilmington Trust FSB), as Collateral Agent | HSC Capital Corporation | Release of Security Interest |
| Feb 23, 2017 reel/frame not recorded | Wilmington Trust, National Association (Successor by Merger to Wilmington Trust FSB), as Collateral Agent | Lawter International Inc. | Release of Security Interest |
| Feb 23, 2017 reel/frame not recorded | Wilmington Trust, National Association (Successor by Merger to Wilmington Trust FSB), as Collateral Agent | Hexion International Inc. (Formerly Known as Borden Chemical International Inc.) | Release of Security Interest |
| Feb 23, 2017 reel/frame not recorded | Wilmington Trust, National Association (Successor by Merger to Wilmington Trust FSB), as Collateral Agent | Oilfield Technology Group, Inc. | Release of Security Interest |
| Feb 23, 2017 reel/frame not recorded | Wilmington Trust, National Association (Successor by Merger to Wilmington Trust FSB), as Collateral Agent | Hexion Ci Holding Company (China) LLC | Release of Security Interest |
| Apr 3, 2019 Reel 48788, frame 617 | Wilmington Trust, National Association, as the Prior Collateral Agent | Wilmington Savings Fund Society, FSB, as the Current Collateral Agent | Patent Security Interest Assignment Agreement |
| Jul 9, 2019 Reel 49706, frame 264 | JPMorgan Chase Bank, N.A., as Administrative Agent and Collateral Agent | Hexion Inc. (Formerly Known as Momentive Specialty Chemicals Inc.) | Release of Security Interest in Patents Previously Recorded at Reel/Frame (030146/0970) |
| Jul 12, 2019 Reel 49740, frame 770 | Hexion Inc. | JPMorgan Chase Bank, N.A., as Collateral Agent | Patent Security Interest (ABL) |
| Jul 12, 2019 Reel 49741, frame 425 | Hexion Inc. | JPMorgan Chase Bank, N.A., as Collateral Agent | Patent Security Interest (TERM Loan) |
| May 5, 2021 Reel 56145, frame 957 | Hexion Vad LLC | Goldman Sachs Specialty Lending Group, L.P., as Collateral Agent | Security Interest |
| May 12, 2021 Reel 56219, frame 677 | Jpmorgan Chase Bank, N.a. | Hexion Inc. | Release of Security Interest |
| Aug 30, 2021 Reel 57323, frame 86 | Hexion Inc. | Hexion Vad LLC | Assignment of Assignor's Interest |
| May 3, 2022 Reel 59926, frame 973 | Hexion Vad LLC | Bakelite LLC | Change of Name |
| May 3, 2022 Reel 60377, frame 699 | Bakelite LLC | Bakelite UK Holding Ltd. | Assignment of Assignor's Interest |
| Jun 9, 2022 Reel 60328, frame 250 | Georgia-Pacific Chemicals LLC; Georgia-Pacific Consumer Products LP; ENERG2 Technologies, Inc.; Koch Agronomic Services LLC; Bakelite UK Holding Ltd.; Surface Tech LLC | Goldman Sachs Bank USA, as Administrative Agent | Security Interest |
| Jun 9, 2022 Reel 60328, frame 327 | Georgia-Pacific Chemicals LLC; Georgia-Pacific Consumer Products LP; ENERG2 Technologies, Inc.; Koch Agronomic Services LLC; Bakelite UK Holding Ltd. | Macquarie Capital Funding LLC, as Administrative Agent | Security Interest |
| Jun 15, 2022 Reel 60209, frame 558 | Goldman Sachs Specialty Lending Group, L.P. | Hexion Vad LLC | Release of Security Interest |
| Jan 23, 2025 Reel 69981, frame 468 | Bakelite Chemicals LLC; Bakelite UK Holding Ltd.; Bakelite GmbH; Bakelite Synthetics UK Limited | Goldman Sachs Bank USA | Security Interest |
| May 12, 2025 Reel 71090, frame 740 | Bakelite Chemicals LLC; Bakelite UK Holding Ltd.; Bakelite GmbH; Bakelite Synthetics UK | Jpmorgan Chase Bank, N.a. | Security Interest |
| May 12, 2025 Reel 71276, frame 379 | Macquarie Capital Funding LLC | Jpmorgan Chase Bank, N.a. | Assignment of Patent and Trademark Security 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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Alerts on its grants, lapses and transfers.
What's changing
Apr 2027
Term ends Apr 11, 2027. No further fees fall due before then
Citations
1
later US patent cites this one
That is below the median of utility patents granted in 2011 in our data, the only group it is compared against.
How we rank
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.