The Patent Finder

Chemitech, Inc.

Also on record
Records under this name other than the patents Chemitech, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 1 patents it holds.

Showing 1 to 7 of 7 · Back to Chemitech, Inc.

PatentTitleStatus Expires Confidence
US 7,070,856Front face erasable microcapsule magnetophoretic display sheet, erasing magnet and writing magnet
Lapsed on the fee record
Ended Jul 4, 2018 · From the USPTO record
Lapsed on the fee recordEnded Jul 4, 2018From the USPTO record
US 6,299,972Microcapsule magnetic display sheet and a method thereof
Term ended
Term ended Jul 2, 2018 · From the USPTO record
Term endedTerm ended Jul 2, 2018From the USPTO record
US 6,162,539High luminance luminous fiber and process for producing the same
Lapsed on the fee record
Ended Dec 19, 2008 · From the USPTO record
Lapsed on the fee recordEnded Dec 19, 2008From the USPTO record
US 5,162,087Anisotropic conductive adhesive compositions
Term ended
Term ended no later than Nov 10, 2012 · Low confidence
Term endedTerm ended no later than Nov 10, 2012Low confidence
US 5,853,614Long decay luminescent material
Term ended
Term ended no later than Dec 29, 2018 · Low confidence
Term endedTerm ended no later than Dec 29, 2018Low confidence
US 5,885,483Long afterglow phosphor and a process for the preparing thereof
Formerly held
Term ended
Term ended no later than Mar 23, 2019 · Low confidence
Term endedTerm ended no later than Mar 23, 2019Low confidence
US 5,972,493Microcapsules for magnetic display and magnetic display sheet comprising such microcapsules
Term ended
Term ended no later than Oct 26, 2019 · Low confidence
Term endedTerm ended no later than Oct 26, 2019Low confidence
The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited