Inventor

Chung C. Tso

Inventor

Bartlesville, OK, US

Overview

1993–2021

Patent span

Chemistry

Primary field (CPC C)

Patents· 34 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C08Fprimary

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds32%

C08LCompositions of macromolecular compounds21%

C08JWorking-up20%

B29CShaping or joining of plastics5%

Y10TTechnical subjects covered by former us classification5%

C07CAcyclic or carbocyclic compounds4%

B29DProducing particular articles from plastics or from substances in a plastic state2%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form2%

C09DCoating compositions, e.g. paints, varnishes or lacquers2%

H05KPrinted circuits2%

PatentTitleYear

11,059,921Dual catalyst system for producing LLDPE copolymers with a narrow molecular weight distribution and improved processability2021 11,028,258Metallocene catalyst system for producing LLDPE copolymers with tear resistance and low haze2021 10,927,201Ziegler-Natta--metallocene dual catalyst systems with activator-supports2021 10,899,855Low density polyolefin resins with low molecular weight and high molecular weight components, and films made therefrom2021 10,544,236Dual catalyst system for producing LLDPE copolymers with improved processability2020 10,544,273Dual component LLDPE copolymers with improved impact and tear resistance2020 10,442,881Dual catalyst system for producing LLDPE copolymers with a narrow molecular weight distribution and improved processability2019 10,435,492Ziegler-natta--metallocene dual catalyst systems with activator-supports2019 10,435,527Dual component LLDPE copolymers with improved impact and tear resistance2019 10,358,506Dual catalyst system for producing LLDPE copolymers with improved processability2019 10,214,603Polyethylene compositions and methods of making and using same2019 10,113,016Low density polyolefin resins with low molecular weight and high molecular weight components, and films made therefrom2018 10,000,594Dual catalyst system for producing LLDPE copolymers with a narrow molecular weight distribution and improved processability2018 9,975,976Polyethylene compositions and methods of making and using same2018 9,926,393'Ziegler-nattaâ€”metallocene dual catalyst systems with activator-supports'2018 9,718,907'Ziegler-Nattaâ€”metallocene dual catalyst systems with activator-supports'2017 9,605,097'Low density polyolefin resins with low molecular weight and high molecular weight components, and films made therefrom'2017 9,441,061'Polymer films having improved heat sealing properties'2016 9,334,350'Low density polyolefin resins and films made therefrom'2016 9,181,369'Polymer films having improved heat sealing properties'2015 9,181,370'Low density polyolefin resins with low molecular weight and high molecular weight components, and films made therefrom'2015 9,175,109'Oligomerization processes and polymer compositions produced therefrom'2015 9,006,367'Low density polyolefin resins and films made therefrom'2015 8,933,175'Hyperbranched polymers and methods of making and using same'2015 8,828,529'Catalyst systems and polymer resins having improved barrier properties'2014 8,722,416'Integrated on-line two-dimensional method and device for synchroned analytical temperature rising elution fractionation and gel permeation chromatography'2014 8,476,394'Polymer resins having improved barrier properties and methods of making same'2013 8,475,899'Process for producing broader molecular weight distribution polymers with a reverse comonomer distribution and low levels of long chain branches'2013 8,114,946'Process for producing broader molecular weight distribution polymers with a reverse comonomer distribution and low levels of long chain branches'2012 7,691,633'Ultra high molecular weight polyethylene fractions having narrow molecular weight distributions and methods of making and using the same'2010 7,241,620'Ultra high molecular weight polyethylene fractions having narrow molecular weight distributions and methods of making and using the same'2007 5,280,001'Benzylic oxidation and catalyst therefor'1994 5,210,320'Preparation of 2,5-dimethylhexane-2,5-dihydroperoxide and derivatives thereof'1993 5,183,931'Benzylic oxidation and catalyst therefor'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2021Based in Bartlesville, OK, US· patent location history

2007–2016Patents assigned to CHEVRON PHILLIPS CHEMICAL CO (12)· patent assignee history

2012–2015Patents assigned to YANG QING (5)· patent assignee history

2012–2015Patents assigned to DESLAURIERS PAUL J (4)· patent assignee history

2012–2015Patents assigned to MCDANIEL MAX P (4)· patent assignee history

2016–2021Patents assigned to CHEVRON PHILLIPS CHEMICAL CO LP (18)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CHEVRON PHILLIPS CHEMICAL CO LP	18	2016–2021
CHEVRON PHILLIPS CHEMICAL CO	12	2007–2016
YANG QING	5	2012–2015
DESLAURIERS PAUL J	4	2012–2015
MCDANIEL MAX P	4	2012–2015

Locations

Location	Patents	Span
Bartlesville, OK, US	34	1993–2021