| 11945896 |
Catalyst composition and system having extended lifetime |
Joseph N. Coalter, III, Rose Kent, Adam Marwitz, Ronald A. Epstein |
2024-04-02 |
|
| 11014995 |
Procatalyst composition made with a combination of internal electron donors |
Ronald A. Epstein, Timothy A. Boyer, Courtney S. Spain, Michael S. Miller |
2021-05-25 |
|
| 9045569 |
Process of making modified metallocene catalyst, catalyst produced and use thereof |
Michael D. Jensen, Andrew G. Singleton, Stephen R. Schmidt, Patrick J. Kerwin, John H. Hain, Jr. +1 more |
2015-06-02 |
|
| 7851644 |
Heterocyclic metallocenes and polymerization catalysts |
John A. Ewen, Robert L. Jones, Yuri A. Dubitsky |
2010-12-14 |
|
| 7723450 |
Transition metal compound, ligand system, catalyst system and process for preparing polyolefins |
Robert L. Jones, Jennifer Kipke, Alexander Koeppl, Markus Schopf, John A. Ewen |
2010-05-25 |
$13,724,000 |
| 7606422 |
System, method and computer program for an integrated digital workflow for processing a paper form |
Robert Smith, Andrew Maxwell |
2009-10-20 |
|
| 7544749 |
Polymerization catalysts, organic transition metal compounds, process for preparing polyolefins and polyolefins |
Robert L. Jones, Naka Seidel, John A. Ewen |
2009-06-09 |
$23,078,000 |
| 7531672 |
Preparation of heterocyclic ketones |
Robert L. Jones |
2009-05-12 |
$15,987,000 |
| 7504354 |
Organometallic transition metal compound, biscyclopentadienyl ligand system, catalyst system and process for preparing polyolefins |
Robert L. Jones, John A. Ewen |
2009-03-17 |
$6,150,000 |
| 7492946 |
System, method and computer program for an integrated digital workflow for processing a paper form |
Robert Smith, Andrew Maxwell |
2009-02-17 |
|
| 7452949 |
Organometallic transition metal compound, biscyclopentadienyl ligand system, catalyst system and preparation of polyolefins |
Yoshikuni Okumura, Ilya Nifant'ev, Pavel V. Ivchenko, Vladimir Bagrov |
2008-11-18 |
$14,572,000 |
| 7238818 |
Heterocyclic metallocenes and polymerization catalysts |
John A. Ewen, Robert L. Jones, Yuri A. Dubitsky |
2007-07-03 |
$13,472,000 |
| 7141637 |
Metallocene compounds and process for the preparation of propylene polymers |
Robert L. Jones |
2006-11-28 |
$30,064,000 |
| 6810120 |
Method of determining answer supervision at a line appearance of a public switch telephone network |
Joseph Kott, Raymond L. Ruggerio, Jane Ann Thompson, Robin Jeffrey Thompson, Kimberly Sue Tomasko-Dean |
2004-10-26 |
$15,212,000 |
| 6635779 |
Metallocene compounds, process for their preparation and their use in catalytic systems for the polymerization of olefins |
John A. Ewen, Robert L. Jones |
2003-10-21 |
|
| 6444833 |
Metallocene compounds, process for their preparation and their use in catalytic systems for the polymerization of olefins |
John A. Ewen, Robert L. Jones |
2002-09-03 |
|
| 6403772 |
Open-pentadienyl metallocenes, precursors thereof and polymerization catalysts therefrom |
John A. Ewen, Robert W. Strozier, Robert L. Jones |
2002-06-11 |
|
| 6262199 |
Process and catalyst for producing isotactic polyolefins |
John A. Ewen, B. Raghava Reddy |
2001-07-17 |
|
| 5883202 |
Process for olefin polymerization using metallocene catalysts with Lewis acids and aluminum alkyls |
John A. Ewen |
1999-03-16 |
|
| 5807939 |
Polymerization of alpha-olefins with cationic metallocene catalysts based on organoaluminum anions |
John A. Ewen |
1998-09-15 |
|
| 5763549 |
Cationic metallocene catalysts based on organoaluminum anions |
John A. Ewen |
1998-06-09 |
$9,547,000 |
| 5710222 |
Method for controlling the melting points and molecular weights of syndiotactic polyolefins using metallocene catalyst systems |
John A. Ewen, B. Raghava Reddy |
1998-01-20 |
$13,198,000 |
| 5688735 |
Method for controlling the melting points and molecular weights of syndiotactic polyolefins using metallocene catalyst systems |
John A. Ewen, B. Raghava Reddy |
1997-11-18 |
$13,989,000 |
| 5663249 |
Catalyst and process for polymerization of olefins |
John A. Ewen |
1997-09-02 |
$13,206,000 |
| 5614457 |
Catalyst system using aluminum alkyl with ion-pair metallocene catalysts |
John A. Ewen |
1997-03-25 |
$13,811,000 |