Issued Patents All Time
Showing 176–200 of 537 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9670296 | Silica-coated alumina activator-supports for metallocene catalyst compositions | Qing Yang, Randy S. Muninger, Elizabeth A. Benham, Kathy S. Clear | 2017-06-06 |
| 9611188 | Aromatic alkylation using chemically-treated solid oxides | Qing Yang, Uriah J. Kilgore, Mark L. Hlavinka | 2017-04-04 |
| 9605097 | Low density polyolefin resins with low molecular weight and high molecular weight components, and films made therefrom | Ashish M. Sukhadia, Errun Ding, Guylaine St. Jean, Qing Yang, Daniel G. Hert +1 more | 2017-03-28 |
| 9598513 | Long chain branched polymers and methods of making same | Youlu Yu, Eric D. Schwerdtfeger, Alan L. Solenberger, Kathy S. Clear | 2017-03-21 |
| 9587048 | Methods of preparing a catalyst | Jeremy M. Praetorius, Eric D. Schwerdtfeger, Ted H. Cymbaluk, Connor D. Boxell, Kathy S. Collins +1 more | 2017-03-07 |
| 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, Youlu Yu, Gary L. Glass, Tony R. Crain | 2017-02-21 |
| 9505856 | Methods for making fluorided chromium (VI) catalysts, and polymerization processes using the same | Eric D. Schwerdtfeger, Kathy S. Clear | 2016-11-29 |
| 9493592 | Processes for preparing metallocene-based catalyst systems | Ted H. Cymbaluk, Qing Yang, Dennis L. Holtermann, Tony R. Crain | 2016-11-15 |
| 9447204 | Methods for terminating olefin polymerizations | Qing Yang, Tony R. Crain, Kathy S. Clear | 2016-09-20 |
| 9416087 | Methods for the production of α,β-unsaturated carboxylic acids and salts thereof | Mark L. Hlavinka | 2016-08-16 |
| 9376511 | Polymerization catalysts and polymers | Kathy S. Collins, Eric D. Schwerdtfeger, Alan L. Solenberger | 2016-06-28 |
| 9371407 | Catalyst system with three metallocenes for producing broad molecular weight distribution polymers | Qing Yang, Tony R. Crain, Youlu Yu, Yongwoo Inn | 2016-06-21 |
| 9365667 | Methods for producing fluorided-chlorided silica-coated alumina activator-supports and catalyst systems containing the same | Uriah J. Kilgore, Qing Yang, Kathy S. Clear | 2016-06-14 |
| 9359460 | Cyclobutylidene-bridged metallocenes and catalyst systems containing the same | Jeremy M. Praetorius, Carlos A. Cruz, Qing Yang, Jared L. Barr | 2016-06-07 |
| 9353202 | System and method for deterring fouling in a polymerization reactor | Albert P. Masino, Randall S. Muninger, Eric D. Schwerdtfeger, Qing Yang, Graham R. Lief | 2016-05-31 |
| 9346896 | Silica-coated alumina activator-supports for metallocene catalyst compositions | Qing Yang, Randy S. Muninger, Elizabeth A. Benham, Kathy S. Clear | 2016-05-24 |
| 9334350 | Low density polyolefin resins and films made therefrom | Ashish M. Sukhadia, Errun Ding, Chung Ching Tso, Albert P. Masino, Qing Yang +3 more | 2016-05-10 |
| 9334203 | 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, Qing Yang, Albert P. Masino, Richard M. Buck +4 more | 2016-05-10 |
| 9303099 | Methods of controlling dual catalyst olefin polymerizations with an alcohol compound | Qing Yang, Tony R. Crain, Albert P. Masino, Ted H. Cymbaluk, John D. Stewart | 2016-04-05 |
| 9289739 | Continuous preparation of calcined chemically-treated solid oxides | Elizabeth A. Benham | 2016-03-22 |
| 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, Youlu Yu, Gary L. Glass, Tony R. Crain | 2015-12-22 |
| 9181370 | Low density polyolefin resins with low molecular weight and high molecular weight components, and films made therefrom | Ashish M. Sukhadia, Errun Ding, Guylaine St. Jean, Qing Yang, Daniel G. Hert +1 more | 2015-11-10 |
| 9181372 | Catalyst system with three metallocenes for producing broad molecular weight distribution polymers | Qing Yang, Tony R. Crain, Youlu Yu, Yongwoo Inn | 2015-11-10 |
| 9163098 | Processes for preparing metallocene-based catalyst systems | Qing Yang, Tony R. Crain | 2015-10-20 |
| 9102821 | Catalysts for producing broad molecular weight distribution polyolefins in the absence of added hydrogen | Qing Yang, Tony R. Crain, Youlu Yu | 2015-08-11 |