Issued Patents All Time
Showing 26–50 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9156970 | Higher density polyolefins with improved stress crack resistance | Mark L. Hlavinka, Errun Ding, Yongwoo Inn, Lili Cui, Qing Yang +3 more | 2015-10-13 |
| 9034991 | Polymer compositions and methods of making and using same | Mark L. Hlavinka, Qing Yang, William B. Beaulieu | 2015-05-19 |
| 8933175 | Hyperbranched polymers and methods of making and using same | Youlu Yu, Chung Ching Tso, David C. Rohlfing, Melvin Hildebrand, Max P. McDaniel +1 more | 2015-01-13 |
| 8771816 | Controlling melt fracture in bimodal resin pipe | Yongwoo Inn, Qing Yang, Ashish M. Sukhadia, David C. Rohlfing, Pamela L. Maeger | 2014-07-08 |
| 8722416 | Integrated on-line two-dimensional method and device for synchroned analytical temperature rising elution fractionation and gel permeation chromatography | Youlu Yu, Chung Ching Tso | 2014-05-13 |
| 8492498 | Polymer compositions for rotational molding applications | Richard M. Buck, Albert P. Masino, Qing Yang, Steven J. Secora, Elizabeth M. Lanier +3 more | 2013-07-23 |
| 8475899 | Process for producing broader molecular weight distribution polymers with a reverse comonomer distribution and low levels of long chain branches | Qing Yang, Max P. McDaniel, Joel L. Martin, Tony R. Crain, Randy S. Muninger +4 more | 2013-07-02 |
| 8114946 | Process for producing broader molecular weight distribution polymers with a reverse comonomer distribution and low levels of long chain branches | Qing Yang, Max P. McDaniel, Joel L. Martin, Tony R. Crain, Randy S. Muninger +4 more | 2012-02-14 |
| 8048679 | Method for employing SEC-FTIR data to predict mechanical properties of polyethylene | David C. Rohlfing | 2011-11-01 |
| 7829646 | Olefin polymers, method of making, and use thereof | Max P. McDaniel, Al R. Wolfe, Pamela L. Maeger, William R. Coutant, David C. Rohlfing +4 more | 2010-11-09 |
| 7803629 | Method for employing SEC-FTIR data to predict mechanical properties of polyethylene | David C. Rohlfing | 2010-09-28 |
| 7691633 | Ultra high molecular weight polyethylene fractions having narrow molecular weight distributions and methods of making and using the same | Chung Ching Tso, Melvin Hildebrand, Youlu Yu | 2010-04-06 |
| 7625982 | Multimodal polyethylene compositions and pipe made from same | Joel L. Martin, Kumudini Jayarante, Matthew G. Thorn, J. Todd Lanier, Max P. McDaniel +3 more | 2009-12-01 |
| 7312283 | Polymerization catalysts and process for producing bimodal polymers in a single reactor | Joel L. Martin, Matthew G. Thorn, Max P. McDaniel, Michael D. Jensen, Qing Yang +1 more | 2007-12-25 |
| 7241620 | Ultra high molecular weight polyethylene fractions having narrow molecular weight distributions and methods of making and using the same | Chung Ching Tso, Melvin Hildebrand, Youlu Yu | 2007-07-10 |
| 7214642 | Methods of preparing active chromium/alumina catalysts via treatment with sulfate | Max P. McDaniel, Kathy S. Collins, Elizabeth A. Benham | 2007-05-08 |
| 7208441 | Polymerization catalyst systems and processes therefor and therewith | Elizabeth A. Benham, Max P. McDaniel, Al R. Wolfe | 2007-04-24 |
| 7112643 | Polymers having low levels of long chain branching and methods of making the same | Max P. McDaniel, Kathy S. Collins, Elizabeth A. Benham | 2006-09-26 |
| 7056744 | Measurement of short chain branching in olefin copolymers using chemometric analysis | David C. Rohlfing, Alan D. Eastman, Eric T. Hsieh | 2006-06-06 |
| 6875835 | Polymerization catalyst systems and processes therefor and therewith | Max P. McDaniel, Elizabeth A. Benham, Al R. Wolfe | 2005-04-05 |
| 6867278 | Olefin polymers, method of making, and use thereof | Max P. McDaniel, Elizabeth A. Benham, Al R. Wolfe, Pamela L. Meager, William R. Coutant +2 more | 2005-03-15 |
| 6632680 | Measurement of short chain branching in olefin copolymers using chemometric analysis | David C. Rohlfing, Alan D. Eastman, Eric T. Hsieh | 2003-10-14 |
| 6525148 | Polymerization catalyst systems and processes therefor and therewith | Max P. McDaniel, Elizabeth A. Benham, Al R. Wolfe | 2003-02-25 |
| 6355359 | Polyethylene film | Ashish M. Sukhadia, William R. Coutant, Jim D. Byers, Louis Moore, M. Bruce Welch +5 more | 2002-03-12 |
| 6214469 | Films comprising metallocene catalyzed polyethylene | Ashish M. Sukhadia, David C. Rohlfing, Jay Janzen, Jim D. Byers, Louis Moore +5 more | 2001-04-10 |