GL

Graham R. Lief

Chevron: 3 patents #24 of 295Top 9%
📍 Bartlesville, OK: #7 of 57 inventorsTop 15%
🗺 Oklahoma: #46 of 722 inventorsTop 7%
Overall (2025): #61,645 of 469,880Top 15%
3
Patents 2025

Issued Patents 2025

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12351657 Controlling long-chain branch content with dual activator-supports Max P. McDaniel, Qing Yang, Carlos A. Cruz, Yongwoo Inn, Jared L. Barr 2025-07-08
12351670 Modifications of sulfated bentonites and uses thereof in metallocene catalyst systems for olefin polymerization Max P. McDaniel, Qing Yang, Ryan N. Rose, Kathy S. Clear, Eric D. Schwerdtfeger +3 more 2025-07-08
12297304 Catalyst composition and method for preparing polyethylene Qing Yang, Eric J. Haschke 2025-05-13