Inventor
STEVENS KEVIN A
US17 patents
Patents
17 patentsUS10927205B2Feb 23, 2021
Polymerization processes and polymers made therefrom
EXXONMOBIL CHEMICAL PATENTS INC10 citations85
US11712687B2Aug 1, 2023
Catalyst systems and polymerization processes for using the same
EXXONMOBIL CHEMICAL PATENTS INC4 citations74
US11198747B2Dec 14, 2021
Catalyst systems including two hafnocene catalyst compounds
EXXONMOBIL CHEMICAL PATENTS INC3 citations73
US11046796B2Jun 29, 2021
Films made from polyethylene compositions and processes for making same
EXXONMOBIL CHEMICAL PATENTS INC3 citations73
US10926250B2Feb 23, 2021
Catalyst systems and polymerization processes for using the same
EXXONMOBIL CHEMICAL PATENTS INC4 citations73
US11186601B2Nov 30, 2021
Metallocene compounds having appended Lewis acids and polymerization therewith
EXXONMOBIL CHEMICAL PATENTS INC4 citations72
US10865258B2Dec 15, 2020
Mixed catalyst systems containing bridged metallocenes with a pendant group 13 element, processes for making a polymer product using same, and products made from same
EXXONMOBIL CHEMICAL PATENTS INC4 citations72
US10899860B2Jan 26, 2021
Polymerization processes and polymers made therefrom
EXXONMOBIL CHEMICAL PATENTS INC2 citations71
US11130827B2Sep 28, 2021
Polyethylene compositions and articles made therefrom
EXXONMOBIL CHEMICAL PATENTS INC4 citations69
US12577334B2Mar 17, 2026
Broad orthogonal distribution polyethylenes for films
EXXONMOBIL CHEMICAL PATENTS INC0 citations62
US12043679B2Jul 23, 2024
On-line adjustment of mixed catalyst ratio by trim and olefin polymerization with the same
EXXONMOBIL CHEMICAL PATENTS INC0 citations60
US11976140B2May 7, 2024
In-line trimming of dry catalyst feed
EXXONMOBIL CHEMICAL PATENTS INC0 citations59
US11738334B2Aug 29, 2023
Supported catalyst systems and processes for use thereof
EXXONMOBIL CHEMICAL PATENTS INC0 citations51
US12091476B2Sep 17, 2024
On-line adjustment of catalysts by trim and olefin polymerization
EXXONMOBIL CHEMICAL PATENTS INC0 citations50
US12534582B2Jan 27, 2026
Linear low density polyethylene for film applications
EXXONMOBIL CHEMICAL PATENTS INC0 citations49
US11492428B2Nov 8, 2022
Methods to produce heterogeneous polyethylene granules
EXXONMOBIL CHEMICAL PATENTS INC0 citations41
US10851187B2Dec 1, 2020
Bridged metallocene catalysts with a pendant group 13 element, catalyst systems containing same, processes for making a polymer product using same, and products made from same
EXXONMOBIL CHEMICAL PATENTS INC0 citations41