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Eric John Markel

This inventor holds 40 USPTO granted patents and 1 published patent application and 13 EPO patents, primarily in Polymerization Processes. Top assignees: Univation Technologies, LLC, Exxonmobil Chemical Patents Inc., Exxon Chemical Patents, Inc.. Active years: 1999-2026.

USPTO Granted Patents = 40 (Patent Applications = 1)

% Patents Active = 72.5

EPO Patents = 13 (Patent Applications = 5)

Average Co-Inventor Count = 3.0

ph-index = 17

Forward Citations = 1,066(Granted Patents)

Company Filing History:

21 out of 519

Univation Technologies, LLC

patents

11 out of 3,333

Exxonmobil Chemical Patents Inc.

patents

7 out of 1,415

Exxon Chemical Patents, Inc.

patents

4. 1 out of 23

Exxonmobile Chemical Patents Inc.

patents

Years Active: 1999-2026

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Areas of Expertise:

Polymerization

Metallocene Catalysts

Reactor Monitoring

Fluidized Bed

Electrical Properties

Resin Stickiness

Olefins

Condensing Agents

Thermoplastic Elastomers

High Melt Strength

Polypropylene Compositions

Particle Accumulation

40 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12606658 - Isobutane-containing induced condensing agents in fluidized bed polymerization reactions (2026-04-21),

2. 11396561 - Controlling a polymerization reaction (2022-07-26),

3. 11186654 - Methods for controlling start up conditions in polymerization processes (2021-11-30),

4. 10207237 - Systems and methods for measuring particle accumulation on reactor surfaces (2019-02-19),

5. 8742041 - Processes for the polymerization of olefins with extracted metal carboxylate salts (2014-06-03),

6. 8722818 - Method and apparatus for monitoring and restoring electrical properties of polymerization reactor wall film (2014-05-13),

7. 8598283 - Methods for operating a polymerization reactor (2013-12-03),

8. 8497330 - Methods for polymerization using spray dried and slurried catalyst (2013-07-30),

9. 8476392 - Polymerization processes using metallocene catalysts, their polymer products and end uses (2013-07-02),

10. 8441250 - Method and apparatus for monitoring electrical properties of polymerization reactor wall film (2013-05-14),

11. 8433443 - Method for on-line monitoring and control of polymerization processes and reactors to prevent discontinuity events (2013-04-30),

12. 8383739 - Systems and methods for monitoring a polymerization reaction (2013-02-26),

13. 8378040 - Methods for cleaning the distributor plate in a fluidized bed reactor system (2013-02-19),

14. 8273834 - Methods for determining temperature value indicative of resin stickiness from data generated by polymerization reaction monitoring (2012-09-25),

15. 8084560 - Polymerization processes using metallocene catalysts, their polymer products and end uses (2011-12-27),

Title: Innovator Spotlight: Eric John Markel - Pioneering Polymerization Control

Introduction: Eric John Markel, a talented inventor hailing from Kingwood, TX (US), has made significant contributions to the field of polymerization with an impressive portfolio of 39 patents. His groundbreaking work in controlling polymerization reactions has revolutionized industrial processes worldwide.

Latest Patents:

1. Controlling a polymerization reaction: Markel's innovative method involves determining an instantaneous density model for a gas-phase polymerization, enabling real-time monitoring to assess if a threshold density is achieved.

2. Methods for controlling start-up conditions in polymerization processes: He developed a technique to calculate the necessary inventory of monomers and hydrogen for producing polyethylene polymers with specific properties, such as melt index and density.

Career Highlights: Markel has honed his expertise at esteemed companies like Univation Technologies, LLC, and ExxonMobil Chemical Patents Inc., where he spearheaded research and development initiatives in polymer science. His relentless pursuit of excellence has earned him a stellar reputation in the industry.

Collaborations: Markel has collaborated closely with industry experts such as Weiqing Weng and Richard B. Pannell, pooling their collective knowledge to drive innovation and solve complex challenges in polymerization technology. Together, they have achieved remarkable progress in the field.

Conclusion: Eric John Markel stands as a true trailblazer in the realm of polymerization control, with a rich tapestry of patents and a legacy of pushing the boundaries of scientific discovery. His impact on industrial processes is profound, shaping the future of polymer science for generations to come.

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