Inventor
Eric J. Markel
Inventor
Kingwood, TX, US
Overview
Patents· 38 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 bonds46%
C08LCompositions of macromolecular compounds19%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry7%
C08JWorking-up2%
Y02PClimate change mitigation technologies in the production or processing of goods2%
C07KPeptides1%
C12NMicroorganisms or enzymes1%
G01NInvestigating or analysing materials by determining their chemical or physical properties1%
G05BControl or regulating systems in general1%
PatentTitleYear
10,207,237Systems and methods for measuring particle accumulation on reactor surfaces20198,742,041'Processes for the polymerization of olefins with extracted metal carboxylate salts'20148,722,818'Method and apparatus for monitoring and restoring electrical properties of polymerization reactor wall film'20148,598,283'Methods for operating a polymerization reactor'20138,497,330'Methods for polymerization using spray dried and slurried catalyst'20138,476,392'Polymerization processes using metallocene catalysts, their polymer products and end uses'20138,441,250'Method and apparatus for monitoring electrical properties of polymerization reactor wall film'20138,433,443'Method for on-line monitoring and control of polymerization processes and reactors to prevent discontinuity events'20138,383,739'Systems and methods for monitoring a polymerization reaction'20138,378,040'Methods for cleaning the distributor plate in a fluidized bed reactor system'20138,273,834'Methods for determining temperature value indicative of resin stickiness from data generated by polymerization reaction monitoring'20128,084,560'Polymerization processes using metallocene catalysts, their polymer products and end uses'20118,039,562'Method for seed bed treatment before a polymerization reaction'20117,910,668'Method for on-line determination of degree or onset of resin stickiness using acoustic data'20117,808,227'Systems and methods for detecting impurities in reactor systems'20107,807,455'Method to confer cell culture replication activity to different Hepatitis C virus isolates'20107,799,876'Method and apparatus for controlling static charge in polyolefin reactors'20107,790,816'Method of maintaining heat transfer capacity in a polymerization reaction system'20107,774,178'Methods for on-line determination of degree of resin stickiness using a model for depression of melt initiation temperature'20107,754,830'Polymerization reaction monitoring with determination of induced condensing agent concentration for preventing discontinuity events'20107,683,140'Method for determining temperature value indicative of resin stickiness from data generated by polymerization reaction monitoring'20107,005,491'Propylene diene copolymerized polymers'20066,774,191'Propylene polymers incorporating polyethylene macromers'20046,750,307'Propylene polymers incorporating polyethylene macromers'20046,660,809'Propylene polymers incorporating polyethylene macromers'20036,573,350'Branched semi-crystalline high-C3 ethylene-propylene compositions'20036,569,965'Branched semi-crystalline high-C3 ethylene-propylene polymer compositions'20036,555,635'Preparation of vinyl-containing macromers'20036,444,773'Preparation of vinyl-containing macromers'20026,423,793'Elastomeric propylene polymers'20026,342,574'Propylene polymers incorporating macromers'20026,225,432'Branched polypropylene compositions'20016,197,910'Propylene polymers incorporating macromers'20016,184,327'Elastomeric propylene polymers'20016,147,180'Thermoplastic elastomer compositions from branched olefin copolymers'20006,117,962'Vinyl-containing stereospecific polypropylene macromers'20006,114,457'High melt strength polyethylene compositions'20005,942,587'Ethylene polymers with a norbornene comonomer for LLDPE like resins of improved toughness and processibility for film production'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2001Patents assigned to EXXON CHEMICAL PATENTS INC (7)· patent assignee history
1999–2019Based in Kingwood, TX, US· patent location history
2002–2006Patents assigned to EXXONMOBIL CHEM PATENTS INC (9)· patent assignee history
2010–2019Patents assigned to UNIVATION TECH LLC (20)· patent assignee history
2010Based in Lansdale, PA, US· patent location history
2011–2014Patents assigned to MARKEL ERIC J (11)· patent assignee history
2011–2013Patents assigned to PANNELL RICHARD B (7)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIVATION TECH LLC | 20 | 2010–2019 |
| MARKEL ERIC Jself | 11 | 2011–2014 |
| EXXONMOBIL CHEM PATENTS INC | 9 | 2002–2006 |
| EXXON CHEMICAL PATENTS INC | 7 | 1999–2001 |
| PANNELL RICHARD B | 7 | 2011–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kingwood, Texas, US | 37 | 1999–2019 |
| Lansdale, Pennsylvania, US | 1 | 2010 |