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Filligent Limited

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Records under this name other than patents Filligent Limited holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

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PatentTitleStatus Expires Confidence
US 9,963,611Composition for use in decreasing the transmission of human pathogens
Formerly held
Lapsed on the fee record
Ended May 8, 2026 · From the USPTO record
Lapsed on the fee recordEnded May 8, 2026From the USPTO record
US 8,678,002Devices and methods for decreasing human pathogen transmission
Formerly held
Lapsed on the fee record
Ended Mar 25, 2026 · From the USPTO record
Lapsed on the fee recordEnded Mar 25, 2026From the USPTO record
US 6,164,288Cigarette filter containing dry water and microcapsules
Term ended
Term ended Sep 17, 2019 · From the USPTO record
Term endedTerm ended Sep 17, 2019From the USPTO record
US 7,104,265Filter containing a metal phthalocyanine and a polycationic polymer
Lapsed on the fee record
Ended Sep 12, 2018 · From the USPTO record
Lapsed on the fee recordEnded Sep 12, 2018From the USPTO record
US 6,792,953Tobacco smoke filter
Lapsed on the fee record
Ended Sep 21, 2016 · From the USPTO record
Lapsed on the fee recordEnded Sep 21, 2016From the USPTO record
US 6,530,377Cigarette filter containing dry water and a porphyrin
Term ended
Ended no later than Jan 11, 2013 · From the USPTO record
Term endedEnded no later than Jan 11, 2013From the USPTO record
US 5,501,238Cigarette filter containing a humectant
Term ended
Term ended no later than Mar 26, 2016 · Low confidence
Term endedTerm ended no later than Mar 26, 2016Low confidence
US 5,746,231Tobacco smoke filter for removing toxic compounds
Term ended
Term ended no later than May 5, 2018 · Low confidence
Term endedTerm ended no later than May 5, 2018Low confidence
US 5,839,447Cigarette filter containing microcapsules and sodium pyroglutamate
Term ended
Term ended no later than Nov 24, 2018 · Low confidence
Term endedTerm ended no later than Nov 24, 2018Low confidence
US 5,860,428Cigarette filter containing a humectant
Term ended
Term ended no later than Jan 19, 2019 · Low confidence
Term endedTerm ended no later than Jan 19, 2019Low confidence
10 of 11 patents shown.
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