Markel; Eric J.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Markel; Eric J..The latest application filed is for "systems and methods for measuring particle accumulation on reactor surfaces".

Company Profile

1.48.32

Markel; Eric J. - Kingwood TX
Markel; Eric J. - Lansdale PA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Controlling a polymerization reaction Grant 11,396,561 - Szul , et al. July 26, 2	2022-07-26
Methods for controlling start up conditions in polymerization processes Grant 11,186,654 - Savatsky , et al. November 30, 2	2021-11-30
Systems and methods for measuring particle accumulation on reactor surfaces Grant 10,207,237 - Markel Feb	2019-02-19
Systems and Methods for Measuring Particle Accumulation on Reactor Surfaces App 20170320034 - Markel; Eric J.	2017-11-09
Processes for the polymerization of olefins with extracted metal carboxylate salts Grant 8,742,041 - Pequeno , et al. June 3, 2	2014-06-03
Method and apparatus for monitoring and restoring electrical properties of polymerization reactor wall film Grant 8,722,818 - Markel , et al. May 13, 2	2014-05-13
Methods for operating a polymerization reactor Grant 8,598,283 - Markel , et al. December 3, 2	2013-12-03
Processes for the Polymerization of Olefins with Extracted Metal Carboxylate Salts App 20130253153 - Pequeno; R. Eric ; et al.	2013-09-26
Methods for polymerization using spray dried and slurried catalyst Grant 8,497,330 - Hussein , et al. July 30, 2	2013-07-30
Polymerization processes using metallocene catalysts, their polymer products and end uses Grant 8,476,392 - Kolb , et al. July 2, 2	2013-07-02
Method and apparatus for monitoring electrical properties of polymerization reactor wall film Grant 8,441,250 - Markel , et al. May 14, 2	2013-05-14
Method and Apparatus for Monitoring and Restoring Electrical Properties of Polymerization Reactor Wall Film App 20130116391 - Markel; Eric J. ; et al.	2013-05-09
Systems and Methods for Measuring Particle Accumulation on Reactor Surfaces App 20130115708 - Markel; Eric J.	2013-05-09
Method for on-line monitoring and control of polymerization processes and reactors to prevent discontinuity events Grant 8,433,443 - Hagerty , et al. April 30, 2	2013-04-30
Systems and methods for monitoring a polymerization reaction Grant 8,383,739 - Muhle , et al. February 26, 2	2013-02-26
Methods for cleaning the distributor plate in a fluidized bed reactor system Grant 8,378,040 - Markel , et al. February 19, 2	2013-02-19
Methods for Operating a Polymerization Reactor App 20120329962 - Markel; Eric J. ; et al.	2012-12-27
Methods for determining temperature value indicative of resin stickiness from data generated by polymerization reaction monitoring Grant 8,273,834 - Markel , et al. September 25, 2	2012-09-25
Systems and Methods for Monitoring a Polymerization Reaction App 20120041159 - Muhle; Michael E. ; et al.	2012-02-16
Polymerization processes using metallocene catalysts, their polymer products and end uses Grant 8,084,560 - Kolb , et al. December 27, 2	2011-12-27
Method for seed bed treatment before a polymerization reaction Grant 8,039,562 - Pannell , et al. October 18, 2	2011-10-18
Methods for Cleaning the Distributor Plate in a Fluidized Bed Reactor System App 20110196112 - Markel; Eric J. ; et al.	2011-08-11
Methods for Polymerization Using Spray Dried and Slurried Catalyst App 20110130531 - Hussein; F. David ; et al.	2011-06-02
Method for on-line determination of degree or onset of resin stickiness using acoustic data Grant 7,910,668 - Muhle , et al. March 22, 2	2011-03-22
Polymerization Processes Using Metallocene Catalysts, Their Polymer Products and End Uses App 20110040041 - Kolb; Rainer ; et al.	2011-02-17
Method and Apparatus for Monitoring Electrical Properties of Polymerization Reactor Wall Film App 20100289482 - Markel; Eric J. ; et al.	2010-11-18
Method for On-Line Determination of Degree or Onset of Resin Stickiness Using Acoustic Data App 20100286346 - Muhle; Michael E. ; et al.	2010-11-11
Systems and methods for detecting impurities in reactor systems Grant 7,808,227 - Markel , et al. October 5, 2	2010-10-05
Method to confer cell culture replication activity to different Hepatitis C virus isolates Grant 7,807,455 - Grobler , et al. October 5, 2	2010-10-05
Method and apparatus for controlling static charge in polyolefin reactors Grant 7,799,876 - Markel , et al. September 21, 2	2010-09-21
Method of maintaining heat transfer capacity in a polymerization reaction system Grant 7,790,816 - Markel , et al. September 7, 2	2010-09-07
Methods for on-line determination of degree of resin stickiness using a model for depression of melt initiation temperature Grant 7,774,178 - Pannell , et al. August 10, 2	2010-08-10
Polymerization reaction monitoring with determination of induced condensing agent concentration for preventing discontinuity events Grant 7,754,830 - Thomas, Jr. , et al. July 13, 2	2010-07-13
Methods for determining temperature value indicative of resin stickiness from data generated by polymerization reaction monitoring App 20100144983 - Markel; Eric J. ; et al.	2010-06-10
Method for determining temperature value indicative of resin stickiness from data generated by polymerization reaction monitoring Grant 7,683,140 - Pannell , et al. March 23, 2	2010-03-23
Polymerization Reaction Monitoring With Determination Of Induced Condensing Agent Concentration For Preventing Discontinuity Events App 20090234081 - Thomas, JR.; Daniel N. ; et al.	2009-09-17
Method and System for Assessing Reactor Fluidization Quality and Operability From Frequency Spectrum of Temperature Data App 20090216481 - Markel; Eric J. ; et al.	2009-08-27
Method for seed bed treatment before a polymerization reaction App 20090198025 - Pannell; Richard B. ; et al.	2009-08-06
Method for on-line monitoring and control of polymerization processes and reactors to prevent discontinuity events App 20080319583 - Hagerty; Robert O. ; et al.	2008-12-25
Methods for on-line determination of degree of resin stickiness using a model for depression of melt initiation temperature App 20080065360 - Pannell; Richard B. ; et al.	2008-03-13
Systems and methods for detecting impurities in reactor systems App 20080042655 - Markel; Eric J. ; et al.	2008-02-21
Polymerization processes using metallocene catalysts, their polymer products and end uses App 20080045663 - Kolb; Rainer ; et al.	2008-02-21
Method of maintaining heat transfer capacity in a polymerization reaction system App 20080033121 - Markel; Eric J. ; et al.	2008-02-07
Method and apparatus for controlling static charge in polyolefin reactors App 20080027185 - Markel; Eric J. ; et al.	2008-01-31
Method for determining temperature value indicative of resin stickiness from data generated by polymerization reaction monitoring App 20070073010 - Pannell; Richard B. ; et al.	2007-03-29
Method for seed bed treatment before a polymerization reaction App 20070073012 - Pannell; Richard B. ; et al.	2007-03-29
Method to confer cell culture replication activity to different hepatitis c virus isolates App 20060228697 - Grobler; Jay ; et al.	2006-10-12
Propylene diene copolymerized polymers Grant 7,005,491 - Weng , et al. February 28, 2	2006-02-28
Propylene polymers incorporating polyethylene macromers Grant 6,774,191 - Weng , et al. August 10, 2	2004-08-10
Propylene polymers incorporating polyethylene macromers Grant 6,750,307 - Weng , et al. June 15, 2	2004-06-15
Propylene diene copolymerized polymers App 20040077806 - Weng, Weiqing ; et al.	2004-04-22
Propylene polymers incorporating polyethylene macromers App 20040048984 - Weng, Weiging ; et al.	2004-03-11
Propylene polymers incorporating polyethylene macromers Grant 6,660,809 - Weng , et al. December 9, 2	2003-12-09
Branched semi-crystalline high-C3 ethylene-propylene compositions Grant 6,573,350 - Markel , et al. June 3, 2	2003-06-03
Branched semi-crystalline high-C3 ethylene-propylene polymer compositions Grant 6,569,965 - Markel , et al. May 27, 2	2003-05-27
Preparation of vinyl-containing macromers Grant 6,555,635 - Markel April 29, 2	2003-04-29
Propylene polymers incorporating polyethylene macromers App 20030078350 - Weng, Weiqing ; et al.	2003-04-24
Branched semi-crystalline high-C3 ethylene-propylene polymer compositions App 20030060583 - Markel, Eric J. ; et al.	2003-03-27
Preparation of vinyl-containing macromers Grant 6,444,773 - Markel September 3, 2	2002-09-03
Elastomeric propylene polymers Grant 6,423,793 - Weng , et al. July 23, 2	2002-07-23
Preparation of vinyl-containing macromers App 20020077434 - Markel, Eric J.	2002-06-20
Branched polypropylene compositions Grant 6,225,432 - Weng , et al. May 1, 2	2001-05-01
Propylene polymers incorporating macromers Grant 6,197,910 - Weng , et al. March 6, 2	2001-03-06
Elastomeric propylene polymers Grant 6,184,327 - Weng , et al. February 6, 2	2001-02-06
Thermoplastic elastomer compositions from branched olefin copolymers Grant 6,147,180 - Markel , et al. November 14, 2	2000-11-14
Vinyl-containing stereospecific polypropylene macromers Grant 6,117,962 - Weng , et al. September 12, 2	2000-09-12
High melt strength polyethylene compositions Grant 6,114,457 - Markel , et al. September 5, 2	2000-09-05
Ethylene polymers with a norbornene comonomer for LLDPE like resins of improved toughness and processibility for film production Grant 5,942,587 - Arjunan , et al. August 24, 1	1999-08-24

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