Inventor · disambiguated record
Massimo Covezzi
Also filed as: COVEZZI MASSIMO
36 granted patents·1 pending application·821 citations·filing 1991–2018
98Inventor score
Files withBASELL POLYOLEFINE GMBH8BASELL POLIOLEFINE ITALIA SRL6BASELL POLIOLEFINE SPA5MONTELL TECHNOLOGY COMPANY BV3BASELL POLIOLEFINE SRL2
Top patents by PatentIndex Score
37 records- 0193US10611901B2Propylene based polymer compositionBASELL POLIOLEFINE ITALIA SRL·Filed 2016·Granted Apr 7, 2020·4 cites·15 claims
- 0293US7652108B2Process for the gas-phase polymerization olefinsBASELL POLIOLEFINE SRL·Filed 2005·Granted Jan 26, 2010·26 cites·14 claims
- 0392US6689845B1Process and apparatus for the gas-phase polymerizationBASELL POLIOLEFINE SPA·Filed 1999·Granted Feb 10, 2004·101 cites·23 claims
- 0492US6413477B1Process and apparatus for the gas-phase polymerization of α-olefinsBASELL TECHNOLOGY CO BV·Filed 1997·Granted Jul 2, 2002·124 cites·11 claims
- 0592US5698642AProcess and apparatus for the gas-phase polymerization of α-olefinsMONTEL TECHNOLOGY COMPANY BV·Filed 1996·Granted Dec 16, 1997·136 cites·23 claims
- 0691US9133291B2Multistage process for the polymerization of olefinsBASELL POLYOLEFINE GMBH·Filed 2012·Granted Sep 15, 2015·12 cites·9 claims
- 0788US6818187B2Apparatus for gas-phase polymerizationBASELL POLIOLEFINE SPA·Filed 2003·Granted Nov 16, 2004·60 cites·10 claims
- 0888US6306996B1Polybutene-1 (co)polymers and process for their preparationBASELL TECHNOLOGY CO BV·Filed 1999·Granted Oct 23, 2001·59 cites·27 claims
- 0987US10968291B2Olefin polymerization process in a gas-phase reactor comprising a riser unit and a downcomerBASELL POLYOLEFINE GMBH·Filed 2017·Granted Apr 6, 2021·2 cites·20 claims
- 1085US7678867B2Process for the (co)polymerization of ethyleneBASELL POLYOLEFINE GMBH·Filed 2004·Granted Mar 16, 2010·23 cites·16 claims
- 1181US6228956B1Process for the gas-phase polymerization of olefinsMONTELL TECHNOLOGY COMPANY BV·Filed 1995·Granted May 8, 2001·43 cites·17 claims
- 1280US10556972B2Process for the polymerization of olefinsBASELL POLIOLEFINE ITALIA SRL·Filed 2017·Granted Feb 11, 2020·1 cites·14 claims
- 1378US9738778B2Process for the obtainment of a polyolefin compositionBASELL POLYOLEFINE GMBH·Filed 2013·Granted Aug 22, 2017·3 cites·12 claims
- 1478US7514508B2Process for the polymerization of ethyleneBASELL POLIOLEFINE SRL·Filed 2004·Granted Apr 7, 2009·16 cites·20 claims
- 1578US5733987AProcess for the gas-phase polymerization of olefinsMONTELL TECHNOLOGY COMPANY·Filed 1993·Granted Mar 31, 1998·52 cites·12 claims
- 1676US9574026B2Method for improving the operability of an olefin polymerization reactorBASELL POLYOLEFINE ITALIA S R L·Filed 2014·Granted Feb 21, 2017·2 cites·4 claims
- 1776US7160964B2Liquid phase process for the polymerization of α-olefinsBASELL POLIOLEFINE SPA·Filed 2003·Granted Jan 9, 2007·14 cites·24 claims
- 1875US7041750B1Process and apparatus for making supported catalyst systems for olefin polymerizationBASELL POLYOLEFINE GMBH·Filed 2000·Granted May 9, 2006·14 cites·24 claims
- 1970US7199163B2Method for removing volatile components from polymer compositionsBASELL POLIOLEFINE SPA·Filed 2003·Granted Apr 3, 2007·10 cites·29 claims
- 2069US9938359B2Process for the preparation of ethylene polymersBASELL POLIOLEFINE ITALIA SRL·Filed 2013·Granted Apr 10, 2018·1 cites·10 claims
- 2165US10155888B2Method for improving the operability of an olefin polymerization reactorBASELL POLIOLEFINE ITALIA SRL·Filed 2017·Granted Dec 18, 2018·0 cites·8 claims
- 2265US5728353AProcess and apparatus for the gas-phase polymerization of olefinsMONTELL NORTH AMERICA INC·Filed 1996·Granted Mar 17, 1998·31 cites·10 claims
- 2365US5387749AProcess for the preparation of linear low density polyethyleneHIMONT INC·Filed 1992·Granted Feb 7, 1995·19 cites·14 claims
- 2464US10730974B2Gas-phase process for the polymerization of propyleneBASELL POLIOLEFINE ITALIA SRL·Filed 2016·Granted Aug 4, 2020·0 cites·15 claims
- 2564US10654956B2Ethylene alpha-olefin copolymers and methodsEQUISTAR CHEM LP·Filed 2018·Granted May 19, 2020·0 cites·20 claims
- 2660US7414095B2Liquid phase process for polymerizing olefinsBASELL POLIOEFINE ITALIA S R L·Filed 2004·Granted Aug 19, 2008·5 cites·27 claims
- 2760US5561195AHighly processable polymeric compositions based on LLDPEMONTELL TECHNOLOGY COMPANY BV·Filed 1995·Granted Oct 1, 1996·18 cites·15 claims
- 2857US7414098B2Gas-phase catalytic polymerization of olefinsBASELL POLIOEFINE ITALIA S P A·Filed 2003·Granted Aug 19, 2008·5 cites·29 claims
- 2955US5296548ACompositions of crystalline propylene polymers having a low seal temperatureHIMONT INC·Filed 1991·Granted Mar 22, 1994·13 cites·7 claims
- 3053US8293855B2Method for transitioning between incompatible olefin polymerization catalyst systemsMEIER GERHARDUS·Filed 2009·Granted Oct 23, 2012·0 cites·13 claims
- 3151US6770718B2Continuous process for the preparation of solid catalyst components for the polymerization of α-olefinsBASELL POLIOLEFINE SPA·Filed 2001·Granted Aug 3, 2004·3 cites·20 claims
- 3250US10792637B2Method for feeding a fluid to a gas phase polymerization reactorBASELL POLIOLEFINE ITALIA SRL·Filed 2017·Granted Oct 6, 2020·0 cites·11 claims
- 3349US6437047B1Polyethylene compositions having improved mechanical properties and improved processability in the melted stateBASELL POLYOLEFINE GMBH·Filed 1999·Granted Aug 20, 2002·12 cites·7 claims
- 3446US2002061264A1Process and apparatus for the gas-phase polymerization of alpha-olefinsMONTELL TECHNOLOGY COMPANY BV·Filed 2001·Application pending·0 cites
- 3545US6355731B1Process for the production of heterophasic polymer compositions, and compositions thus obtainedMONTECH USA INC·Filed 1999·Granted Mar 12, 2002·9 cites·8 claims
- 3643US10471407B2Process for start-up of a multizone circulating reactorBASELL POLYOLEFINE GMBH·Filed 2017·Granted Nov 12, 2019·0 cites·15 claims
- 3732US6462134B1Polyethylene compositions having improved optical and mechanical properties and improved processability in the melted stateBASELL POLYOLEFINE GMBH·Filed 1999·Granted Oct 8, 2002·3 cites·7 claims
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