ES

Eric D. Schwerdtfeger

Chevron: 75 patents #20 of 4,788Top 1%
📍 Bartlesville, OK: #12 of 1,143 inventorsTop 2%
🗺 Oklahoma: #44 of 12,736 inventorsTop 1%
Overall (All Time): #25,478 of 4,157,543Top 1%
75
Patents All Time

Issued Patents All Time

Showing 26–50 of 75 patents

Patent #TitleCo-InventorsDate
11472897 Methods of preparing a catalyst Max P. McDaniel, Jeremy M. Praetorius 2022-10-18
11384179 Methods of preparing a catalyst Max P. McDaniel, Kathy S. Clear, Jeremy M. Praetorius 2022-07-12
11383222 Methods of preparing a catalyst with low HRVOC emissions Max P. McDaniel, Kathy S. Clear, Jeremy M. Praetorius 2022-07-12
11358131 Methods of preparing a catalyst utilizing hydrated reagents Max P. McDaniel, Kathy S. Clear, Jeremy M. Praetorius, Mitchell D. Refvik, Mark L. Hlavinka 2022-06-14
11358132 Methods of preparing a catalyst utilizing hydrated reagents Max P. McDaniel, Kathy S. Clear, Jeremy M. Praetorius, Mitchell D. Refvik, Mark L. Hlavinka 2022-06-14
11338278 Light treatment of chromium catalysts and related catalyst preparation systems and polymerization processes Kathy S. Clear, Max P. McDaniel, William C. Ellis, Deloris R. Gagan, Carlos A. Cruz +1 more 2022-05-24
11331650 Methods of preparing a catalyst Jeremy M. Praetorius, Max P. McDaniel, Ted H. Cymbaluk, Connor D. Boxell, Alan L. Solenberger +1 more 2022-05-17
11326005 Particle size control of metallocene catalyst systems in loop slurry polymerization reactors Max P. McDaniel, Carlton E. Ash, Kathy S. Clear, Carlos A. Cruz, Jeremy M. Praetorius +1 more 2022-05-10
11325997 Particle size control of supported chromium catalysts in loop slurry polymerization reactors Max P. McDaniel, Carlton E. Ash, Kathy S. Clear, Carlos A. Cruz, Jeremy M. Praetorius +1 more 2022-05-10
11298683 Aqueous methods for titanating a chromium/silica catalyst Max P. McDaniel, Kathy S. Clear, Jeremy M. Praetorius 2022-04-12
11267914 Methods of preparing a catalyst Max P. McDaniel, Jeremy M. Praetorius 2022-03-08
11266976 Methods of preparing a catalyst with low HRVOC emissions Max P. McDaniel, Kathy S. Clear, Jeremy M. Praetorius 2022-03-08
11220564 Methods of preparing a catalyst Max P. McDaniel, Kathy S. Clear, Jeremy M. Praetorius 2022-01-11
11173475 Light treatment of chromium catalysts and related catalyst preparation systems and polymerization processes Kathy S. Clear, Max P. McDaniel, William C. Ellis, Deloris R. Gagan, Carlos A. Cruz +1 more 2021-11-16
11125688 Use of turbidimeter for measurement of solid catalyst system component in a reactor feed Daniel G. Hert, Max P. McDaniel 2021-09-21
11124586 Particle size control of metallocene catalyst systems in loop slurry polymerization reactors Max P. McDaniel, Carlton E. Ash, Kathy S. Clear, Carlos A. Cruz, Jeremy M. Praetorius +1 more 2021-09-21
11117122 Methods of preparing a catalyst utilizing hydrated reagents Max P. McDaniel, Kathy S. Clear, Jeremy M. Praetorius, Mitchell D. Refvik, Mark L. Hlavinka 2021-09-14
11110443 Methods of preparing a catalyst utilizing hydrated reagents Max P. McDaniel, Kathy S. Clear, Jeremy M. Praetorius, Mitchell D. Refvik, Mark L. Hlavinka 2021-09-07
11065595 System and method for monitoring and controlling a polymerization system Daniel G. Hert, Eric J. Netemeyer 2021-07-20
10988557 Methods of preparing a catalyst utilizing hydrated reagents Max P. McDaniel, Kathy S. Clear, Jeremy M. Praetorius 2021-04-27
10894250 Methods of preparing a catalyst utilizing hydrated reagents Max P. McDaniel, Kathy S. Clear, Jeremy M. Praetorius, Mitchell D. Refvik, Mark L. Hlavinka 2021-01-19
10894249 Methods of preparing a catalyst utilizing hydrated reagents Max P. McDaniel, Kathy S. Clear, Jeremy M. Praetorius, Mitchell D. Refvik, Mark L. Hlavinka 2021-01-19
10858460 Methods of preparing a catalyst utilizing hydrated reagents Max P. McDaniel, Kathy S. Clear, Jeremy M. Praetorius 2020-12-08
10821428 Methods of preparing a catalyst utilizing hydrated reagents Max P. McDaniel, Kathy S. Clear, Jeremy M. Praetorius, Mitchell D. Refvik, Mark L. Hlavinka 2020-11-03
10787526 Method for startup of a gas phase polymerization reactor Greg G. Hendrickson, Jeff S. Lowell 2020-09-29