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 126–150 of 256 patents

Patent #TitleCo-InventorsDate
9181372 Catalyst system with three metallocenes for producing broad molecular weight distribution polymers Max P. McDaniel, Tony R. Crain, Youlu Yu, Yongwoo Inn 2015-11-10
9181370 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 2015-11-10
9169333 Dual metallocene catalyst systems for decreasing melt index and increasing polymer production rates Albert P. Masino, Rex E. Murray, Steve J. Secora, Kumudini C. Jayaratne, William B. Beaulieu +4 more 2015-10-27
9169337 Polymers with improved ESCR for blow molding applications Vivek Rohatgi, Jeffrey F. Greco, Yongwoo Inn, Alfred Brown 2015-10-27
9163098 Processes for preparing metallocene-based catalyst systems Max P. McDaniel, Tony R. Crain 2015-10-20
9156970 Higher density polyolefins with improved stress crack resistance Mark L. Hlavinka, Errun Ding, Paul J. DesLauriers, Yongwoo Inn, Lili Cui +3 more 2015-10-13
9115225 Catalyst systems for production of alpha olefin oligomers and polymers Mark L. Hlavinka, Brooke L. Small, Youlu Yu 2015-08-25
9102768 Cyclobutylidene-bridged metallocenes and catalyst systems containing the same Jeremy M. Praetorius, Carlos A. Cruz, Max P. McDaniel, Jared L. Barr 2015-08-11
9102821 Catalysts for producing broad molecular weight distribution polyolefins in the absence of added hydrogen Max P. McDaniel, Tony R. Crain, Youlu Yu 2015-08-11
9079993 High clarity low haze compositions Guylaine St. Jean, Elizabeth M. Lanier, J. Todd Lanier, Brooke A. Gill 2015-07-14
9073029 System and method for deterring fouling in a polymerization reactor Albert P. Masino, Randall S. Muninger, Max P. McDaniel, Eric D. Schwerdtfeger, Graham R. Lief 2015-07-07
9062134 Half-metallocene compounds and catalyst compositions Errun Ding, Joel L. Martin, Albert P. Masino, Youlu Yu 2015-06-23
9040642 Catalyst systems containing a bridged metallocene Richard M. Buck, Albert P. Masino, Christopher E. Wittner 2015-05-26
9040643 Bridged metallocene catalyst systems with switchable hydrogen and comonomer effects Richard M. Buck, Albert P. Masino, Christopher E. Wittner 2015-05-26
9034991 Polymer compositions and methods of making and using same Mark L. Hlavinka, William B. Beaulieu, Paul J. DesLauriers 2015-05-19
9023959 Methods for producing fluorided-chlorided silica-coated alumina activator-supports and catalyst systems containing the same Max P. McDaniel, Uriah J. Kilgore, Kathy S. Collins 2015-05-05
9018329 Polymer compositions having improved barrier properties Mark L. Hlavinka, Guylaine St. Jean, Brooke A. Gill 2015-04-28
9018407 Stereoselective synthesis of bridged metallocene complexes Richard M. Buck 2015-04-28
9006367 Low density polyolefin resins and films made therefrom Max P. McDaniel, Ashish M. Sukhadia, Errun Ding, Chung Ching Tso, Albert P. Masino +3 more 2015-04-14
8987394 Catalyst compositions for the polymerization of olefins Mark L. Hlavinka, Youlu Yu 2015-03-24
8987392 High activity catalyst compositions containing silicon-bridged metallocenes with bulky substituents Joel L. Martin, Max P. McDaniel, Jim B. Askew 2015-03-24
8957168 Methods for controlling dual catalyst olefin polymerizations with an alcohol compound Max P. McDaniel, Tony R. Crain, Albert P. Masino, Ted H. Cymbaluk, John D. Stewart 2015-02-17
8940844 Methods for terminating olefin polymerizations Max P. McDaniel, Tony R. Crain, Kathy S. Collins 2015-01-27
8940842 Methods for controlling dual catalyst olefin polymerizations Tony R. Crain, Jerry T. Lanier, Jeff S. Fodor 2015-01-27
8937139 Catalyst compositions and methods of making and using same Mark L. Hlavinka, Guylaine St. Jean 2015-01-20