Inventor
HUSSEIN F DAVID
US30 patents
⚠️ This page may combine multiple inventors who share the name “HUSSEIN F DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNIVATION TECH LLC
18 patentsUS9540460B2Jan 10, 2017
Preparation of polyolefin
UNIVATION TECH LLC21 citations93
US6949612B2Sep 27, 2005
Processes for transitioning between metallocene and Ziegler-Natta polymerization catalysts
UNIVATION TECH LLC17 citations90
US9221937B2Dec 29, 2015
Methods and systems for olefin polymerization
UNIVATION TECH LLC10 citations84
US7985811B2Jul 26, 2011
Method for controlling sheeting in gas phase reactors
UNIVATION TECH LLC9 citations84
US7629422B2Dec 8, 2009
Process for transitioning between Ziegler-Natta-based and chromium-based catalysts
UNIVATION TECH LLC11 citations81
US6858684B2Feb 22, 2005
Processes for transitioning between various polymerization catalysts
UNIVATION TECH LLC15 citations80
US7799876B2Sep 21, 2010
Method and apparatus for controlling static charge in polyolefin reactors
UNIVATION TECH LLC7 citations74
US10280283B2May 7, 2019
Supported catalyst with improved flowability
UNIVATION TECH LLC2 citations73
US9676885B2Jun 13, 2017
Continuity compositions and methods of making and using the same
UNIVATION TECH LLC3 citations73
US9512254B2Dec 6, 2016
Increased polymer melt flow ratio via feed of a supported catalyst saturated with a selected liquid agent
UNIVATION TECH LLC3 citations73
US6995217B2Feb 7, 2006
Processes for transitioning between metallocene and Ziegler-Natta polymerization catalysts
UNIVATION TECH LLC10 citations71
US9221936B2Dec 29, 2015
Continuity additive for polyolefin polymerization processes
UNIVATION TECH LLC4 citations70
US9410001B2Aug 9, 2016
Recycle gas cooler systems for gas-phase polymerization processes
UNIVATION TECH LLC2 citations57
US10676588B2Jun 9, 2020
Supported catalyst with improved flowability
UNIVATION TECH LLC0 citations52
US10676589B2Jun 9, 2020
Supported catalyst with improved flowability
UNIVATION TECH LLC0 citations52
US10597509B2Mar 24, 2020
Supported catalyst with improved flowability
UNIVATION TECH LLC0 citations52
US9938361B2Apr 10, 2018
Methods for preparing catalyst systems with increased productivity
UNIVATION TECH LLC1 citations52
US10167350B2Jan 1, 2019
Preparation of polyolefin
UNIVATION TECH LLC0 citations51
HUSSEIN F DAVID
4 patentsUS8497330B2Jul 30, 2013
Methods for polymerization using spray dried and slurried catalyst
HUSSEIN F DAVID24 citations91
US8957167B2Feb 17, 2015
Polymerization process using a supported constrained geometry catalyst
HUSSEIN F DAVID14 citations81
US8586685B2Nov 19, 2013
Polymerization reaction system
HUSSEIN F DAVID2 citations61
US8148481B2Apr 3, 2012
Method for seed bed treatment for a polymerization reaction
HUSSEIN F DAVID5 citations61