QY

Qing Yang

Chevron: 255 patents #2 of 4,788Top 1%
📍 Bartlesville, OK: #2 of 1,143 inventorsTop 1%
🗺 Oklahoma: #5 of 12,736 inventorsTop 1%
Overall (All Time): #1,876 of 4,157,543Top 1%
256
Patents All Time

Issued Patents All Time

Showing 76–100 of 256 patents

Patent #TitleCo-InventorsDate
9994659 Polymers with improved processability for pipe applications Vivek Rohatgi, Yongwoo Inn, Ashish M. Sukhadia, Paul J. DesLauriers 2018-06-12
9975976 Polyethylene compositions and methods of making and using same Chung Ching Tso, Jared L. Barr, Kelly Frey, Carlos A. Cruz, Youlu Yu +7 more 2018-05-22
9944736 Processes for preparing metallocene-based catalyst systems Ted H. Cymbaluk, Max P. McDaniel, Dennis L. Holtermann 2018-04-17
9926393 Ziegler-natta—metallocene dual catalyst systems with activator-supports Errun Ding, Chung Ching Tso, Youlu Yu, Richard M. Buck 2018-03-27
9890093 Olefin oligomerizations using chemically-treated solid oxides Uriah J. Kilgore, Max P. McDaniel, Brooke L. Small, Kenneth D. Hope, Eduardo J. Baralt 2018-02-13
9884930 Processes for preparing metallocene-based catalyst systems in cyclohexene Kensha M. Clark, Gary L. Glass 2018-02-06
9845367 Heterogeneous Ziegler-Natta catalysts with fluorided silica-coated alumina Errun Ding, Jeffrey F. Greco, Youlu Yu 2017-12-19
9845368 High clarity low haze compositions Guylaine St. Jean, Elizabeth M. Lanier, J. Todd Lanier, Brooke A. Gill 2017-12-19
9840570 Medium density polyethylene compositions Ashish M. Sukhadia, Guylaine St. Jean, Max P. McDaniel 2017-12-12
9828451 Polymers with improved processability for pipe applications Vivek Rohatgi, Yongwoo Inn, Ashish M. Sukhadia, Paul J. DesLauriers 2017-11-28
9791358 Polymer compositions having improved processability and methods of making and using same Youlu Yu, Paul J. DesLauriers, Mark J. Lamborn, Yongwoo Inn 2017-10-17
9758600 Bicyclic bridged metallocene compounds and polymers produced therefrom Jeremy M. Praetorius, Connor D. Boxell, Tony R. Crain 2017-09-12
9758599 Heterogeneous Ziegler-Natta catalysts with fluorided silica-coated alumina Errun Ding, Lloyd W. Guatney, Jeffrey F. Greco 2017-09-12
9758540 Bicyclic bridged metallocene compounds and polymers produced therefrom Jeremy M. Praetorius, Connor D. Boxell, Tony R. Crain 2017-09-12
9745230 Oligomerization of alpha olefins using metallocene-SSA catalyst systems and use of the resultant polyalphaolefins to prepare lubricant blends Brooke L. Small, Kenneth D. Hope, Albert P. Masino, Max P. McDaniel, Richard M. Buck +4 more 2017-08-29
9718907 Ziegler-Natta—metallocene dual catalyst systems with activator-supports Errun Ding, Chung Ching Tso, Youlu Yu, Richard M. Buck 2017-08-01
9670296 Silica-coated alumina activator-supports for metallocene catalyst compositions Max P. McDaniel, Randy S. Muninger, Elizabeth A. Benham, Kathy S. Clear 2017-06-06
9650459 Methods for controlling die swell in dual catalyst olefin polymerization systems Jeff F. Greco, Vivek Rohatgi, Mark L. Hlavinka, Jim B. Askew 2017-05-16
9645066 Polymer compositions having improved processability and methods of making and using same Youlu Yu, Paul J. DesLauriers, Mark J. Lamborn, Yongwoo Inn 2017-05-09
9637573 Polymer compositions and methods of making and using same Mark L. Hlavinka, William B. Beaulieu, Paul J. DesLauriers 2017-05-02
9611188 Aromatic alkylation using chemically-treated solid oxides Max P. McDaniel, Uriah J. Kilgore, Mark L. Hlavinka 2017-04-04
9605100 Higher density polyolefins with improved stress crack resistance Mark L. Hlavinka, Errun Ding, Paul J. DesLauriers, Yongwoo Inn, Lili Cui +3 more 2017-03-28
9605097 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 2017-03-28
9598515 Processes for preparing solid metallocene-based catalyst systems Kensha M. Clark, Gary L. Glass 2017-03-21
9574031 Dual catalyst systems for producing polymers with a broad molecular weight distribution and a uniform short chain branch distribution Jeff F. Greco, Max P. McDaniel, Youlu Yu, Gary L. Glass, Tony R. Crain 2017-02-21