Inventor

Ian C. Stewart

Inventor

Houston, TX, US

Overview

21→

Patents

2011–2020

Patent span

Chemistry

Primary field (CPC C)

Patents· 21 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 bonds30%

C08LCompositions of macromolecular compounds14%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds13%

B60CVehicle tyres9%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients9%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium6%

Y02TClimate change mitigation technologies related to transportation5%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%

C07CAcyclic or carbocyclic compounds2%

C08CTreatment or chemical modification of rubbers2%

PatentTitleYear

10,822,480Olefin-block copolymers and their use in elastomeric articles2020 10,583,692Chain end functionalized polyolefins for improving wet traction and rolling resistance of tire treads2020 10,550,209Catalysts for producing polymers and enhanced properties2020 10,538,606Functionalized resins for high performance tires2020 10,465,022Ethylene-propylene copolymeric compositions with long methylene sequence lengths2019 10,059,782Free radical grafting of functionalized resins for tires2018 10,059,825Silica treating of functionalized resins in tires2018 9,988,471Catalysts for producing polymers with enhanced properties2018 9,884,924'Dual reactive functional groups for resins in tires'2018 9,840,569'Spacer groups for functionalized resins in tires'2017 9,657,122'Ethylene-propylene copolymeric compositions with long methylene sequence lengths'2017 9,611,348'Process of producing polyolefins using metallocene polymerization catalysts and copolymers therefrom'2017 9,388,255'Oxygenation of vinyl-terminated macromonomers'2016 9,273,166'Functionalized resins obtained via olefin metathesis'2016 9,260,552'Process to produce polymers from pyridyldiamido transition metal complexes and use thereof'2016 9,169,334'Preparation of bottlebrush polymers via ring-opening metathesis polymerization'2015 8,969,482'Dynamic modulation of metallocene catalysts'2015 8,669,330'Olefin triblock polymers via ring-opening metathesis polymerization'2014 8,658,556'Catalyst systems comprising multiple non-coordinating anion activators and methods for polymerization therewith'2014 8,361,922'Organometallic ruthenium complexes and related methods for the preparation of tetra-substituted and other hindered olefins'2013 8,008,224'Organometallic ruthenium complexes and related methods for the preparation of tetra-substituted and other hindered olefins'2011

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011–2013Patents assigned to CALIFORNIA INST OF TECHN (2)· patent assignee history

2011–2013Patents assigned to MATERIA INC (2)· patent assignee history

2011–2013Based in Pasadena, CA, US· patent location history

2013–2014Patents assigned to STEWART IAN C (3)· patent assignee history

2014–2016Patents assigned to EXXONMOBIL CHEM PATENTS INC (7)· patent assignee history

2014–2020Based in Houston, TX, US· patent location history

2017–2020Patents assigned to EXXONMOBIL CHEMICAL PATENTS INC (12)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
EXXONMOBIL CHEMICAL PATENTS INC	12	2017–2020
EXXONMOBIL CHEM PATENTS INC	7	2014–2016
STEWART IAN Cself	3	2013–2014
CALIFORNIA INST OF TECHN	2	2011–2013
MATERIA INC	2	2011–2013

Locations

Location	Patents	Span
Houston, Texas, US	19	2014–2020
Pasadena, California, US	2	2011–2013