Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
QY

Qing Yang — 9 Patents in 2021

Chevron: 9 patents #3 of 352Top 1%
Bartlesville, OK: #3 of 74 inventorsTop 5%
Oklahoma: #12 of 1,049 inventorsTop 2%
Overall (2021): #9,552 of 548,734Top 2%
9 Patents 2021

Issued Patents 2021

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
11208514 Silica-coated alumina activator-supports for metallocene catalyst compositions Max P. McDaniel, Randy S. Muninger, Elizabeth A. Benham, Kathy S. Clear 2021-12-28
11186665 Catalyst composition and method for preparing polyethylene Graham R. Lief, Eric J. Haschke 2021-11-30
11170874 Methods for determining transition metal compound concentrations in multicomponent liquid systems Richard M. Buck 2021-11-09
11125680 Methods for determining the activity of an activated chemically-treated solid oxide in olefin polymerizations Max P. McDaniel, Richard M. Buck, Tony R. Crain, Ryan N. Rose 2021-09-21
11066499 Medium density polyethylene compositions Ashish M. Sukhadia, Guylaine St. Jean, Max P. McDaniel 2021-07-20
11014997 Dual catalyst system for producing high density polyethylenes with long chain branching Errun Ding, Randall S. Muninger, Youlu Yu, Yongwoo Inn 2021-05-25
10927201 Ziegler-Natta—metallocene dual catalyst systems with activator-supports Errun Ding, Chung Ching Tso, Youlu Yu, Richard M. Buck 2021-02-23
10919996 Silica-coated alumina activator-supports for metallocene catalyst compositions Max P. McDaniel, Randy S. Muninger, Elizabeth A. Benham, Kathy S. Clear 2021-02-16
10899855 Low density polyolefin resins with low molecular weight and high molecular weight components, and films made therefrom Ashish M. Sukhadia, Max P. McDaniel, Errun Ding, Guylaine St. Jean, Daniel G. Hert +1 more 2021-01-26