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 176–200 of 256 patents

Patent #TitleCo-InventorsDate
8629292 Stereoselective synthesis of bridged metallocene complexes Richard M. Buck 2014-01-14
8623973 Activator supports impregnated with group VIII transition metals for polymer property control Max P. McDaniel, Tony R. Crain, Kathy S. Collins 2014-01-07
8609793 Catalyst systems containing a bridged metallocene Richard M. Buck, Albert P. Masino, Christopher E. Wittner 2013-12-17
8598061 Catalysts for producing broad molecular weight distribution polyolefins in the absence of added hydrogen Max P. McDaniel, Tony R. Crain, Youlu Yu 2013-12-03
8536391 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 2013-09-17
8524626 Nano-linked metallocene catalyst compositions and their polymer products Rex E. Murray, Kumudini C. Jayaratne, Joel L. Martin 2013-09-03
8507621 Polymerization process for producing bimodal polymers Kumundini C. Jayaratne, Michael D. Jensen 2013-08-13
8501882 Use of hydrogen and an organozinc compound for polymerization and polymer property control Errun Ding, Albert P. Masino, Youlu Yu, Lloyd W. Guatney, Jim B. Askew 2013-08-06
8501654 Use of hydrogen scavenging catalysts to control polymer molecular weight and hydrogen levels in a polymerization reactor Rex E. Murray, William B. Beaulieu, Errun Ding, Gary L. Glass, Alan L. Solenberger +1 more 2013-08-06
8492498 Polymer compositions for rotational molding applications Richard M. Buck, Albert P. Masino, Paul J. DesLauriers, Steven J. Secora, Elizabeth M. Lanier +3 more 2013-07-23
8487053 Methods for removing polymer skins from reactor walls George R. Rajaendran, Max P. McDaniel, Gregory G. Hendrickson, John D. Stewart, John D. Hottovy +7 more 2013-07-16
8476394 Polymer resins having improved barrier properties and methods of making same Guylaine St. Jean, Chung Ching Tso, Max P. McDaniel 2013-07-02
8475899 Process for producing broader molecular weight distribution polymers with a reverse comonomer distribution and low levels of long chain branches Max P. McDaniel, Joel L. Martin, Tony R. Crain, Randy S. Muninger, Jerry T. Lanier +4 more 2013-07-02
8450437 Polymerization catalysts for producing polymers with low melt elasticity Max P. McDaniel, Joel L. Martin, Youlu Yu, David C. Rohlfing, Michael D. Jensen 2013-05-28
8450436 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 2013-05-28
8440772 Methods for terminating olefin polymerizations Max P. McDaniel, Tony R. Crain, Kathy S. Collins 2013-05-14
8431729 High activity catalyst compositions containing silicon-bridged metallocenes with bulky substituents Joel L. Martin, Max P. McDaniel, Jim B. Askew 2013-04-30
8426538 Catalyst compositions and polyolefins for extrusion coating applications Michael D. Jensen, Max P. McDaniel, Joel L. Martin, Elizabeth A. Benham, Randy Muninger +3 more 2013-04-23
8426536 Nano-linked heteronuclear metallocene catalyst compositions and their polymer products Rex E. Murray, Kumudini C. Jayaratne, Joel L. Martin, Gary L. Glass 2013-04-23
8383754 Catalyst compositions for producing high Mz/Mw polyolefins Max P. McDaniel, William B. Beaulieu, Joel L. Martin, Tony R. Crain 2013-02-26
8367853 Method and system for forming a precursor compound for non-bridged unsymmetric polyolefin polymerization catalyst Rex E. Murray, Richard M. Buck 2013-02-05
8329834 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 2012-12-11
8329833 Nano-linked metallocene catalyst compositions and their polymer products Rex E. Murray, Kumudini C. Jayaratne, Joel L. Martin 2012-12-11
8318883 Polymer compositions for blow molding applications Max P. McDaniel, William B. Beaulieu, Youlu Yu, Tony R. Crain 2012-11-27
8318873 Polymerization process for producing bimodal polymers Kumudini C. Jayaratne, Michael D. Jensen 2012-11-27