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Hoechst

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PatentTitleStatus Expires Confidence
US 5,214,828Process and apparatus for guiding a tow
Term ended
Term ended no later than Jun 1, 2013 · Low confidence
Term endedTerm ended no later than Jun 1, 2013Low confidence
US 5,349,019New copolymers, mixtures thereof with poly(meth)acrylate esters and the use thereof for improving the cold fluidity of crude oils
Term ended
Term ended no later than Sep 20, 2014 · Low confidence
Term endedTerm ended no later than Sep 20, 2014Low confidence
US 5,470,603Electrostatic coating of substrates of medicinal products
Formerly held
Term ended
Term ended no later than Nov 28, 2015 · Low confidence
Term endedTerm ended no later than Nov 28, 2015Low confidence
US 5,534,604Copolymers based on ethylenically unsaturated dicarboxylic anhydrides, long-chain olefins and fluoroolefins
Term ended
Term ended no later than Jul 9, 2016 · Low confidence
Term endedTerm ended no later than Jul 9, 2016Low confidence
US 5,625,015Method for making supported catalyst systems and catalyst systems therefrom
Term ended
Term ended no later than Apr 29, 2017 · Low confidence
Term endedTerm ended no later than Apr 29, 2017Low confidence
US 5,645,919Self-supporting sheet-like structure having at least one structured surface
Term ended
Term ended no later than Jul 8, 2017 · Low confidence
Term endedTerm ended no later than Jul 8, 2017Low confidence
US 5,663,268Syndiotactic propylene copolymers
Term ended
Term ended no later than Sep 2, 2017 · Low confidence
Term endedTerm ended no later than Sep 2, 2017Low confidence
US 5,665,665Method for making supported catalyst systems and catalyst systems therefrom
Term ended
Term ended no later than Sep 9, 2017 · Low confidence
Term endedTerm ended no later than Sep 9, 2017Low confidence
US 5,721,184Method for making supported catalyst systems and catalyst systems therefrom
Term ended
Term ended no later than Feb 24, 2018 · Low confidence
Term endedTerm ended no later than Feb 24, 2018Low confidence
US 5,731,254Process for the preparation of a syndiotactic polyolefin
Term ended
Term ended no later than Mar 24, 2018 · Low confidence
Term endedTerm ended no later than Mar 24, 2018Low confidence
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