GL

Graham R. Lief

Chevron: 20 patents #194 of 4,788Top 5%
📍 Bartlesville, OK: #104 of 1,143 inventorsTop 10%
🗺 Oklahoma: #420 of 12,736 inventorsTop 4%
Overall (All Time): #215,180 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 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
12122857 Controlling long-chain branch content with dual activator-supports Max P. McDaniel, Qing Yang, Carlos A. Cruz, Yongwoo Inn, Jared L. Barr 2024-10-22
12043588 Solid oxide and chemically-treated solid oxide catalysts for the production of polyalphaolefins Thomas J. Malinski, Max P. McDaniel, Steven M. Bischof, Holly A. Ramirez 2024-07-23
11999814 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 2024-06-04
11993667 Catalyst composition and method for preparing polyethylene Qing Yang, Eric J. Haschke 2024-05-28
11945938 Bimodal polyethylene copolymers Qing Yang, Youlu Yu 2024-04-02
11859041 Modulating co-monomer selectivity using non-covalent dispersion interactions in group 4 olefin polymerization catalysts Steven M. Bischof, Qing Yang, Orson L. Sydora, Richard M. Buck, Daniel H. Ess +1 more 2024-01-02
11761120 High melt flow polypropylene homopolymers for fiber applications Eric J. Haschke 2023-09-19
11667777 Bimodal polyethylene copolymers Qing Yang, Youlu Yu 2023-06-06
11186665 Catalyst composition and method for preparing polyethylene Qing Yang, Eric J. Haschke 2021-11-30
10927053 Methods for the preparation and use of suspensions of chemically-treated solid oxides in an olefin-derived liquid medium Eric J. Haschke, Pasquale Iacono 2021-02-23
10883197 High melt flow polypropylene homopolymers for fiber applications Eric J. Haschke 2021-01-05
10344106 Process for reducing the light oligomer content of polypropylene oils Uriah J. Kilgore, Eric J. Haschke 2019-07-09
10336663 Methods for the preparation and use of suspensions of chemically-treated solid oxides in an olefin-derived liquid medium Eric J. Haschke, Pasquale Iacono 2019-07-02
9951158 Process for reducing the light oligomer content of polypropylene oils Uriah J. Kilgore, Eric J. Haschke 2018-04-24
9732300 Liquid propylene oligomers and methods of making same Uriah J. Kilgore, Eric J. Haschke 2017-08-15
9353202 System and method for deterring fouling in a polymerization reactor Albert P. Masino, Randall S. Muninger, Max P. McDaniel, Eric D. Schwerdtfeger, Qing Yang 2016-05-31
9073029 System and method for deterring fouling in a polymerization reactor Albert P. Masino, Randall S. Muninger, Max P. McDaniel, Eric D. Schwerdtfeger, Qing Yang 2015-07-07