SORBENTS FOR THE OXIDATION AND REMOVAL OF MERCURY
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Learn more about PTE and patent expirationSorbents For The Oxidation And Removal Of Mercury
Application No. 14712558
August 22, 2025
Expired 322 days agoEarliest effective filing
Aug 22, 2005
+ 20 years
Aug 22, 2025
PTA +1d
Aug 23, 2025
TD cap (US 8168147)
Aug 22, 2025
Final
Aug 22, 2025
Filing Date
May 14, 2015
Earliest Effective Filing
August 22, 2005
Issue Date
March 17, 2020
PTA
+1 days
Base Expiry (before PTA)
August 22, 2025
Could not resolve calculation details
Sorbents For The Oxidation And Removal Of Mercury
Filing Date
Aug 22, 2005
Earliest Effective Filing
Aug 22, 2005
Issue Date
Oct 14, 2008
PTA
+208 days
Calculated Expiration
Mar 18, 2026
Sorbents For The Oxidation And Removal Of Mercury
Filing Date
Apr 6, 2009
Earliest Effective Filing
Aug 22, 2005
Issue Date
May 1, 2012
PTA
0 days
Calculated Expiration
Aug 22, 2025
Sorbents For The Oxidation And Removal Of Mercury
Filing Date
Mar 22, 2012
Earliest Effective Filing
Aug 22, 2005
Issue Date
Aug 20, 2013
PTA
0 days
Calculated Expiration
Aug 22, 2025
Sorbents For The Oxidation And Removal Of Mercury
Filing Date
Aug 14, 2013
Earliest Effective Filing
Aug 22, 2005
Issue Date
Sep 2, 2014
PTA
0 days
Calculated Expiration
Aug 22, 2025
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.