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Youlu Yu

Chevron: 73 patents #22 of 4,788Top 1%
PP Phillips Petroleum: 2 patents #574 of 1,401Top 45%
LS Lowchol Scientific: 1 patents #4 of 9Top 45%
📍 Bartlesville, OK: #11 of 1,143 inventorsTop 1%
🗺 Oklahoma: #43 of 12,736 inventorsTop 1%
Overall (All Time): #24,739 of 4,157,543Top 1%
76
Patents All Time

Issued Patents All Time

Showing 26–50 of 76 patents

Patent #TitleCo-InventorsDate
10358506 Dual catalyst system for producing LLDPE copolymers with improved processability Errun Ding, Chung Ching Tso, Randall S. Muninger, Qing Yang, Yongwoo Inn 2019-07-23
10323108 Long chain branched polymers and methods of making same Eric D. Schwerdtfeger, Max P. McDaniel, Alan L. Solenberger, Kathy S. Clear 2019-06-18
10214603 Polyethylene compositions and methods of making and using same Chung Ching Tso, Carlos A. Cruz, Qing Yang, Max P. McDaniel, Jared L. Barr +7 more 2019-02-26
10017592 Dual catalyst systems for producing polymers with a broad molecular weight distribution and a uniform short chain branch distribution Qing Yang, Jeff F. Greco, Max P. McDaniel, Gary L. Glass, Tony R. Crain 2018-07-10
9975976 Polyethylene compositions and methods of making and using same Chung Ching Tso, Jared L. Barr, Kelly Frey, Carlos A. Cruz, Bill Bridendolph +7 more 2018-05-22
9926393 Ziegler-natta—metallocene dual catalyst systems with activator-supports Errun Ding, Chung Ching Tso, Qing Yang, Richard M. Buck 2018-03-27
9879101 Long chain branched polymers and methods of making same Eric D. Schwerdtfeger, Max P. McDaniel, Alan L. Solenberger, Kathy S. Clear 2018-01-30
9845367 Heterogeneous Ziegler-Natta catalysts with fluorided silica-coated alumina Errun Ding, Jeffrey F. Greco, Qing Yang 2017-12-19
9791358 Polymer compositions having improved processability and methods of making and using same Qing Yang, Paul J. DesLauriers, Mark J. Lamborn, Yongwoo Inn 2017-10-17
9718907 Ziegler-Natta—metallocene dual catalyst systems with activator-supports Errun Ding, Chung Ching Tso, Qing Yang, Richard M. Buck 2017-08-01
9645066 Polymer compositions having improved processability and methods of making and using same Qing Yang, Paul J. DesLauriers, Mark J. Lamborn, Yongwoo Inn 2017-05-09
9598513 Long chain branched polymers and methods of making same Eric D. Schwerdtfeger, Max P. McDaniel, Alan L. Solenberger, Kathy S. Clear 2017-03-21
9574031 Dual catalyst systems for producing polymers with a broad molecular weight distribution and a uniform short chain branch distribution Qing Yang, Jeff F. Greco, Max P. McDaniel, Gary L. Glass, Tony R. Crain 2017-02-21
9371407 Catalyst system with three metallocenes for producing broad molecular weight distribution polymers Qing Yang, Max P. McDaniel, Tony R. Crain, Yongwoo Inn 2016-06-21
9273159 Metallocene and half sandwich dual catalyst systems for producing broad molecular weight distribution polymers Errun Ding, Qing Yang, Lloyd W. Guatney, Jim B. Askew 2016-03-01
9217049 Dual catalyst systems for producing polymers with a broad molecular weight distribution and a uniform short chain branch distribution Qing Yang, Jeff F. Greco, Max P. McDaniel, Gary L. Glass, Tony R. Crain 2015-12-22
9181372 Catalyst system with three metallocenes for producing broad molecular weight distribution polymers Qing Yang, Max P. McDaniel, Tony R. Crain, Yongwoo Inn 2015-11-10
9115225 Catalyst systems for production of alpha olefin oligomers and polymers Mark L. Hlavinka, Qing Yang, Brooke L. Small 2015-08-25
9102821 Catalysts for producing broad molecular weight distribution polyolefins in the absence of added hydrogen Qing Yang, Max P. McDaniel, Tony R. Crain 2015-08-11
9062134 Half-metallocene compounds and catalyst compositions Errun Ding, Joel L. Martin, Albert P. Masino, Qing Yang 2015-06-23
9023967 Long chain branched polymers and methods of making same Eric D. Schwerdtfeger, Max P. McDaniel, Alan L. Solenberger, Kathy S. Collins 2015-05-05
8987394 Catalyst compositions for the polymerization of olefins Mark L. Hlavinka, Qing Yang 2015-03-24
8933175 Hyperbranched polymers and methods of making and using same Chung Ching Tso, David C. Rohlfing, Paul J. DesLauriers, Melvin Hildebrand, Max P. McDaniel +1 more 2015-01-13
8912285 Catalyst system with three metallocenes for producing broad molecular weight distribution polymers Qing Yang, Max P. McDaniel, Tony R. Crain, Yongwoo Inn 2014-12-16
8865846 Metallocene and half sandwich dual catalyst systems for producing broad molecular weight distribution polymers Errun Ding, Qing Yang, Lloyd W. Guatney, Jim B. Askew 2014-10-21