Inventor

MARKEL ERIC J

US39 patents

⚠️ This page may combine multiple inventors who share the name “MARKEL ERIC J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MARKEL ERIC J

UNIVATION TECH LLC

Method for determining temperature value indicative of resin stickiness from data generated by polymerization reaction monitoring

Methods for on-line determination of degree of resin stickiness using a model for depression of melt initiation temperature

Method and apparatus for controlling static charge in polyolefin reactors

Systems and methods for measuring particle accumulation on reactor surfaces

Method for seed bed treatment before a polymerization reaction

Method for on-line determination of degree or onset of resin stickiness using acoustic data

Method of maintaining heat transfer capacity in a polymerization reaction system

Controlling a polymerization reaction

Methods for cleaning the distributor plate in a fluidized bed reactor system

Systems and methods for monitoring a polymerization reaction

Systems and methods for detecting impurities in reactor systems

Polymerization reaction monitoring with determination of induced condensing agent concentration for preventing discontinuity events

EXXONMOBIL CHEM PATENTS INC

Branched semi-crystalline high-C3 ethylene-propylene compositions

Branched semi-crystalline high-C3 ethylene-propylene polymer compositions

Preparation of vinyl-containing macromers

Elastomeric propylene polymers

Propylene polymers incorporating polyethylene macromers

Propylene diene copolymerized polymers

Preparation of vinyl-containing macromers

Propylene polymers incorporating polyethylene macromers

EXXON CHEMICAL PATENTS INC

Branched polypropylene compositions

Elastomeric propylene polymers

Thermoplastic elastomer compositions from branched olefin copolymers

Propylene polymers incorporating macromers

Vinyl-containing stereospecific polypropylene macromers

High melt strength polyethylene compositions

Ethylene polymers with a norbornene comonomer for LLDPE like resins of improved toughness and processibility for film production

MARKEL ERIC J

Methods for operating a polymerization reactor

Methods for determining temperature value indicative of resin stickiness from data generated by polymerization reaction monitoring

Method and apparatus for monitoring electrical properties of polymerization reactor wall film

Method and apparatus for monitoring and restoring electrical properties of polymerization reactor wall film

KOLB RAINER

Polymerization processes using metallocene catalysts, their polymer products and end uses

Polymerization processes using metallocene catalysts, their polymer products and end uses

EXXON MOBIL CHEM PATENTS INC

Propylene polymers incorporating polyethylene macromers

HUSSEIN F DAVID

Methods for polymerization using spray dried and slurried catalyst

HAGERTY ROBERT O

Method for on-line monitoring and control of polymerization processes and reactors to prevent discontinuity events

PEQUENO R ERIC

Processes for the polymerization of olefins with extracted metal carboxylate salts

EXXONMOBIL CHEMICAL PATENTS INC

Methods for controlling start up conditions in polymerization processes

MERCK SHARP & DOHME

Method to confer cell culture replication activity to different Hepatitis C virus isolates