US 11,179,673 · Application 15/853,029 · Granted Nov 23, 2021

US 11,179,673

Sorbents for the oxidation and removal of mercury

Estimated expiration

August 22, 2025

Expired 413 days ago

Confidence: high

Earliest effective filing

Apr 23, 2004

+ 20 years

Apr 23, 2024

PTA +504d

Sep 9, 2025

TD cap (US 10,828,596)

Aug 22, 2025

Final

Aug 22, 2025

This calculation includes patent term adjustment (PTA) under 35 U.S.C. §154(b). Patent term extension (PTE) under 35 U.S.C. §156 (for FDA-regulated products) is not included. Terminal disclaimers can affect PTA (In re Cellect, LLC).

Calculation details

Base term

Filing date: December 22, 2017
Earliest effective filing: April 23, 2004
Issue date: November 23, 2021
PTA: +504 days
Base expiry (before PTA): April 23, 2024

April 23, 2004 + 20 years = April 23, 2024 + 504 PTA days = September 9, 2025

Continuation-in-part of application 15/295,594, filed Oct 17, 2016
Continuation of application 14/102,896, filed Dec 11, 2013, issued as US 9,468,886
Continuation of application 12/429,058, filed Apr 23, 2009, issued as US 8,652,235
Continuation-in-part of application 12/201,595, filed Aug 29, 2008
Divisional of application 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Divisional of application 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation-in-part of application 12/201,595, filed Aug 29, 2008
Divisional of application 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation of application 12/429,058, filed Apr 23, 2009, issued as US 8,652,235
Continuation-in-part of application 12/201,595, filed Aug 29, 2008
Divisional of application 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation of application 14/102,896, filed Dec 11, 2013, issued as US 9,468,886
Continuation of application 12/429,058, filed Apr 23, 2009, issued as US 8,652,235
Continuation-in-part of application 12/201,595, filed Aug 29, 2008
Divisional of application 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation-in-part of application 15/382,114, filed Dec 16, 2016, issued as US 10,828,596
Continuation-in-part of application 14/712,558, filed May 14, 2015, issued as US 10,589,225
Continuation of application 14/318,270, filed Jun 27, 2014, issued as US 9,757,689
Continuation of application 13/966,768, filed Aug 14, 2013, issued as US 8,821,819
Continuation of application 13/427,665, filed Mar 22, 2012, issued as US 8,512,655
Continuation of application 12/419,219, filed Apr 6, 2009, issued as US 8,168,147
Continuation of application 12/201,595, filed Aug 29, 2008
Divisional of application 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation of application 12/201,595, filed Aug 29, 2008
Divisional of application 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation of application 12/419,219, filed Apr 6, 2009, issued as US 8,168,147
Continuation of application 12/201,595, filed Aug 29, 2008
Divisional of application 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation of application 13/427,665, filed Mar 22, 2012, issued as US 8,512,655
Continuation of application 12/419,219, filed Apr 6, 2009, issued as US 8,168,147
Continuation of application 12/201,595, filed Aug 29, 2008
Divisional of application 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation of application 13/966,768, filed Aug 14, 2013, issued as US 8,821,819
Continuation of application 13/427,665, filed Mar 22, 2012, issued as US 8,512,655
Continuation of application 12/419,219, filed Apr 6, 2009, issued as US 8,168,147
Continuation of application 12/201,595, filed Aug 29, 2008
Divisional of application 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation of application 13/966,768, filed Aug 14, 2013, issued as US 8,821,819
Continuation of application 13/427,665, filed Mar 22, 2012, issued as US 8,512,655
Continuation of application 12/419,219, filed Apr 6, 2009, issued as US 8,168,147
Continuation of application 12/201,595, filed Aug 29, 2008
Divisional of application 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation-in-part of application 14/195,360, filed Mar 3, 2014, issued as US 9,669,355
Continuation-in-part of application 14/712,558, filed May 14, 2015, issued as US 10,589,225
Continuation of application 13/966,768, filed Aug 14, 2013, issued as US 8,821,819
Continuation of application 13/427,665, filed Mar 22, 2012, issued as US 8,512,655
Continuation of application 12/419,219, filed Apr 6, 2009, issued as US 8,168,147
Continuation-in-part of application 14/195,360, filed Mar 3, 2014, issued as US 9,669,355
Continuation-in-part of application 10/554,018, filed Jan 23, 2007, issued as US 8,173,566
National stage entry of application PCTUS2004012828, filed Apr 23, 2004
PRO60/605,640 — Provisional — not used for base term
PRO60/605,640 — Provisional — not used for base term
PRO60/605,640 — Provisional — not used for base term
PRO60/605,640 — Provisional — not used for base term
PRO60/605,640 — Provisional — not used for base term
PRO60/605,640 — Provisional — not used for base term
PRO60/605,640 — Provisional — not used for base term
PRO60/605,640 — Provisional — not used for base term
PRO60/605,640 — Provisional — not used for base term
PRO60/605,640 — Provisional — not used for base term
PRO60/605,640 — Provisional — not used for base term
PRO60/605,640 — Provisional — not used for base term
PRO61/773,549 — Provisional — not used for base term
PRO61/773,549 — Provisional — not used for base term
PRO61/773,549 — Provisional — not used for base term
PRO60/464,868 — Provisional — not used for base term
PRO60/464,868 — Provisional — not used for base term
PRO60/464,868 — Provisional — not used for base term

Terminal disclaimers

TD approved1 approved, 1 filed

TD caps expiration to August 22, 2025 (earliest expiring referenced patent: US 10,828,596)

US 4,820,018
Could not resolve calculation details
US 10,828,596· Application 15/382,114Capping patent
Promoted ammonium salt-protected activated carbon sorbent particles for removal of mercury from gas streams
Filing date
Dec 16, 2016
Earliest effective filing
Aug 22, 2005
Issue date
Nov 10, 2020
PTA
0 days
Calculated expiration
Aug 22, 2025
Continuation-in-part of 14/712,558, filed May 14, 2015, issued as US 10,589,225
Continuation of 14/318,270, filed Jun 27, 2014, issued as US 9,757,689
Continuation of 13/966,768, filed Aug 14, 2013, issued as US 8,821,819
Continuation of 13/427,665, filed Mar 22, 2012, issued as US 8,512,655
Continuation of 12/419,219, filed Apr 6, 2009, issued as US 8,168,147
Continuation of 12/201,595, filed Aug 29, 2008
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation of 12/201,595, filed Aug 29, 2008
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation of 12/419,219, filed Apr 6, 2009, issued as US 8,168,147
Continuation of 12/201,595, filed Aug 29, 2008
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation of 13/427,665, filed Mar 22, 2012, issued as US 8,512,655
Continuation of 12/419,219, filed Apr 6, 2009, issued as US 8,168,147
Continuation of 12/201,595, filed Aug 29, 2008
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation of 13/966,768, filed Aug 14, 2013, issued as US 8,821,819
Continuation of 13/427,665, filed Mar 22, 2012, issued as US 8,512,655
Continuation of 12/419,219, filed Apr 6, 2009, issued as US 8,168,147
Continuation of 12/201,595, filed Aug 29, 2008
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation of 13/966,768, filed Aug 14, 2013, issued as US 8,821,819
Continuation of 13/427,665, filed Mar 22, 2012, issued as US 8,512,655
Continuation of 12/419,219, filed Apr 6, 2009, issued as US 8,168,147
Continuation of 12/201,595, filed Aug 29, 2008
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation-in-part of 14/195,360, filed Mar 3, 2014, issued as US 9,669,355
Aug 22, 2005 + 20y = Aug 22, 2025
US 11,179,673· Application 15/853,029(from application 15/853,029)
Sorbents for the oxidation and removal of mercury
Filing date
Dec 22, 2017
Earliest effective filing
Apr 23, 2004
Issue date
Nov 23, 2021
PTA
+504 days
Calculated expiration
Sep 9, 2025
Continuation-in-part of 15/295,594, filed Oct 17, 2016
Continuation of 14/102,896, filed Dec 11, 2013, issued as US 9,468,886
Continuation of 12/429,058, filed Apr 23, 2009, issued as US 8,652,235
Continuation-in-part of 12/201,595, filed Aug 29, 2008
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation-in-part of 12/201,595, filed Aug 29, 2008
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation of 12/429,058, filed Apr 23, 2009, issued as US 8,652,235
Continuation-in-part of 12/201,595, filed Aug 29, 2008
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation of 14/102,896, filed Dec 11, 2013, issued as US 9,468,886
Continuation of 12/429,058, filed Apr 23, 2009, issued as US 8,652,235
Continuation-in-part of 12/201,595, filed Aug 29, 2008
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation-in-part of 15/382,114, filed Dec 16, 2016, issued as US 10,828,596
Continuation-in-part of 14/712,558, filed May 14, 2015, issued as US 10,589,225
Continuation of 14/318,270, filed Jun 27, 2014, issued as US 9,757,689
Continuation of 13/966,768, filed Aug 14, 2013, issued as US 8,821,819
Continuation of 13/427,665, filed Mar 22, 2012, issued as US 8,512,655
Continuation of 12/419,219, filed Apr 6, 2009, issued as US 8,168,147
Continuation of 12/201,595, filed Aug 29, 2008
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation of 12/201,595, filed Aug 29, 2008
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation of 12/419,219, filed Apr 6, 2009, issued as US 8,168,147
Continuation of 12/201,595, filed Aug 29, 2008
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation of 13/427,665, filed Mar 22, 2012, issued as US 8,512,655
Continuation of 12/419,219, filed Apr 6, 2009, issued as US 8,168,147
Continuation of 12/201,595, filed Aug 29, 2008
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation of 13/966,768, filed Aug 14, 2013, issued as US 8,821,819
Continuation of 13/427,665, filed Mar 22, 2012, issued as US 8,512,655
Continuation of 12/419,219, filed Apr 6, 2009, issued as US 8,168,147
Continuation of 12/201,595, filed Aug 29, 2008
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation of 13/966,768, filed Aug 14, 2013, issued as US 8,821,819
Continuation of 13/427,665, filed Mar 22, 2012, issued as US 8,512,655
Continuation of 12/419,219, filed Apr 6, 2009, issued as US 8,168,147
Continuation of 12/201,595, filed Aug 29, 2008
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation-in-part of 14/195,360, filed Mar 3, 2014, issued as US 9,669,355
Continuation-in-part of 14/712,558, filed May 14, 2015, issued as US 10,589,225
Continuation of 13/966,768, filed Aug 14, 2013, issued as US 8,821,819
Continuation of 13/427,665, filed Mar 22, 2012, issued as US 8,512,655
Continuation of 12/419,219, filed Apr 6, 2009, issued as US 8,168,147
Continuation-in-part of 14/195,360, filed Mar 3, 2014, issued as US 9,669,355
Continuation-in-part of 10/554,018, filed Jan 23, 2007, issued as US 8,173,566
National stage entry of PCTUS2004012828, filed Apr 23, 2004
Apr 23, 2004 + 20y + 504d PTA = Sep 9, 2025
US 10,933,370· Application 15/951,970(from application 15/951,970)
Sorbents for the oxidation and removal of mercury
Filing date
Apr 12, 2018
Earliest effective filing
Aug 22, 2005
Issue date
Mar 2, 2021
PTA
+245 days
Calculated expiration
Apr 24, 2026
Continuation of 14/712,558, filed May 14, 2015, issued as US 10,589,225
Continuation of 14/318,270, filed Jun 27, 2014, issued as US 9,757,689
Continuation of 13/966,768, filed Aug 14, 2013, issued as US 8,821,819
Continuation of 13/427,665, filed Mar 22, 2012, issued as US 8,512,655
Continuation of 12/419,219, filed Apr 6, 2009, issued as US 8,168,147
Continuation of 12/201,595, filed Aug 29, 2008
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation of 12/201,595, filed Aug 29, 2008
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation of 12/419,219, filed Apr 6, 2009, issued as US 8,168,147
Continuation of 12/201,595, filed Aug 29, 2008
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation of 13/427,665, filed Mar 22, 2012, issued as US 8,512,655
Continuation of 12/419,219, filed Apr 6, 2009, issued as US 8,168,147
Continuation of 12/201,595, filed Aug 29, 2008
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation of 13/966,768, filed Aug 14, 2013, issued as US 8,821,819
Continuation of 13/427,665, filed Mar 22, 2012, issued as US 8,512,655
Continuation of 12/419,219, filed Apr 6, 2009, issued as US 8,168,147
Continuation of 12/201,595, filed Aug 29, 2008
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation of 14/318,270, filed Jun 27, 2014, issued as US 9,757,689
Continuation of 13/966,768, filed Aug 14, 2013, issued as US 8,821,819
Continuation of 13/427,665, filed Mar 22, 2012, issued as US 8,512,655
Continuation of 12/419,219, filed Apr 6, 2009, issued as US 8,168,147
Continuation of 12/201,595, filed Aug 29, 2008
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Aug 22, 2005 + 20y + 245d PTA = Apr 24, 2026
US 10,926,218· Application 16/509,071(from application 16/509,071)
Sorbents for the oxidation and removal of mercury
Filing date
Jul 11, 2019
Earliest effective filing
Aug 22, 2005
Issue date
Feb 23, 2021
PTA
0 days
Calculated expiration
Aug 22, 2025
Continuation of 15/997,091, filed Jun 4, 2018, issued as US 10,596,517
Continuation of 15/974,343, filed May 8, 2018, issued as US 10,668,430
Continuation of 15/951,970, filed Apr 12, 2018, issued as US 10,933,370
Continuation of 14/712,558, filed May 14, 2015, issued as US 10,589,225
Continuation of 14/318,270, filed Jun 27, 2014, issued as US 9,757,689
Continuation of 13/966,768, filed Aug 14, 2013, issued as US 8,821,819
Continuation of 13/427,665, filed Mar 22, 2012, issued as US 8,512,655
Continuation of 12/419,219, filed Apr 6, 2009, issued as US 8,168,147
Continuation of 12/201,595, filed Aug 29, 2008
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation of 12/201,595, filed Aug 29, 2008
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation of 12/419,219, filed Apr 6, 2009, issued as US 8,168,147
Continuation of 12/201,595, filed Aug 29, 2008
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation of 13/427,665, filed Mar 22, 2012, issued as US 8,512,655
Continuation of 12/419,219, filed Apr 6, 2009, issued as US 8,168,147
Continuation of 12/201,595, filed Aug 29, 2008
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation of 13/966,768, filed Aug 14, 2013, issued as US 8,821,819
Continuation of 13/427,665, filed Mar 22, 2012, issued as US 8,512,655
Continuation of 12/419,219, filed Apr 6, 2009, issued as US 8,168,147
Continuation of 12/201,595, filed Aug 29, 2008
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation of 14/318,270, filed Jun 27, 2014, issued as US 9,757,689
Continuation of 13/966,768, filed Aug 14, 2013, issued as US 8,821,819
Continuation of 13/427,665, filed Mar 22, 2012, issued as US 8,512,655
Continuation of 12/419,219, filed Apr 6, 2009, issued as US 8,168,147
Continuation of 12/201,595, filed Aug 29, 2008
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation of 14/712,558, filed May 14, 2015, issued as US 10,589,225
Continuation of 14/318,270, filed Jun 27, 2014, issued as US 9,757,689
Continuation of 13/966,768, filed Aug 14, 2013, issued as US 8,821,819
Continuation of 13/427,665, filed Mar 22, 2012, issued as US 8,512,655
Continuation of 12/419,219, filed Apr 6, 2009, issued as US 8,168,147
Continuation of 12/201,595, filed Aug 29, 2008
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation of 15/951,970, filed Apr 12, 2018, issued as US 10,933,370
Continuation of 14/712,558, filed May 14, 2015, issued as US 10,589,225
Continuation of 14/318,270, filed Jun 27, 2014, issued as US 9,757,689
Continuation of 13/966,768, filed Aug 14, 2013, issued as US 8,821,819
Continuation of 13/427,665, filed Mar 22, 2012, issued as US 8,512,655
Continuation of 12/419,219, filed Apr 6, 2009, issued as US 8,168,147
Continuation of 12/201,595, filed Aug 29, 2008
Continuation of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation of 15/974,343, filed May 8, 2018, issued as US 10,668,430
Continuation of 15/951,970, filed Apr 12, 2018, issued as US 10,933,370
Continuation of 14/712,558, filed May 14, 2015, issued as US 10,589,225
Continuation of 14/318,270, filed Jun 27, 2014, issued as US 9,757,689
Continuation of 13/966,768, filed Aug 14, 2013, issued as US 8,821,819
Continuation of 13/427,665, filed Mar 22, 2012, issued as US 8,512,655
Continuation of 12/419,219, filed Apr 6, 2009, issued as US 8,168,147
Continuation of 12/201,595, filed Aug 29, 2008
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Aug 22, 2005 + 20y = Aug 22, 2025

Patent term extension under 35 U.S.C. §156, which can apply to certain drug, biologic, animal drug and medical device patents, is not included in this calculation. How PTE is calculated

The prosecution record for your AI

Application 15/853,029 · US 11,179,673

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Data sourced from public USPTO records. This tool provides informational estimates and should not be relied upon as legal advice. Always verify patent expiration dates independently, especially where patent term extension, terminal disclaimers, or unusual continuity issues may apply.

Estimated expiration

Calculation details

Base term

Continuity chain(68 links)

Terminal disclaimers

Referenced patents(5)

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