| 10407397 |
Method for isolation of a dianhydride and dianhydrides prepared by the method |
Aaron Royer, Robert Werling, Jorge Jimenez |
2019-09-10 |
|
| 9181395 |
Optimized emulsion drying process for making micronized polyetherimide polymers |
Viswanathan Kalayaraman, Donald E. Owens, III, Albert Santo Stella, David Woodruff, Paul Edward Howson |
2015-11-10 |
|
| 8729214 |
Mixtures resulting from methods for purification of polyether polymers |
Beatriz Penalver Bernabe, Thomas Link Guggenheim, David Bruce Hall, Juan Justino Rodriguez Ordonez, David Woodruff |
2014-05-20 |
|
| 8592548 |
Method to prepare bis(haloimides) |
John Yupeng Gui, Thomas Link Guggenheim, David Woodruff, James Manio Silva, Farid Fouad Khouri |
2013-11-26 |
|
| 8372941 |
Method for purification of polyether polymers and mixtures resulting therefrom |
Beatriz Penalver Bernabe, Thomas Link Guggenheim, David Bruce Hall, Juan Justino Rodriguez Ordonez, David Woodruff |
2013-02-12 |
|
| 7714095 |
Phase transfer catalyzed method for preparation of polyetherimides |
Daniel J. Brunelle, Havva Acar, Farid Fouad Khouri, Thomas Link Guggenheim, David Woodruff |
2010-05-11 |
|
| 7125954 |
Method for producing polyether polymers |
Thomas Link Guggenheim, Ganesh Kailasam, Pradeep Nadkarni, David Woodruff |
2006-10-24 |
$29,133,000 |
| 7122619 |
Method of separating a polymer from a solvent |
Norberto Silvi, Mark Howard Giammattei, Jan Keulen, David Woodruff, Paul R. Wilson +1 more |
2006-10-17 |
$28,044,000 |
| 7115785 |
Method for making salts hydroxy-substituted hydrocarbons |
Thomas Link Guggenheim, Daniel J. Brunelle, David Woodruff, Lee H. Bergman, Matthew Hal Littlejohn +1 more |
2006-10-03 |
$34,355,000 |
| 6949622 |
Method of separating a polymer from a solvent |
Norberto Silvi, Mark Howard Giammattei, Jan Keulen, David Woodruff, Paul R. Wilson +1 more |
2005-09-27 |
$53,865,000 |
| 6790934 |
Method for purification of aromatic polyethers |
Raul Eduardo Ayala, Thomas Joseph Fyvie, Amy Rene Freshour, David Woodruff, Peter D. Phelps +7 more |
2004-09-14 |
$35,920,000 |
| 6630568 |
Method for purification of aromatic polyethers |
Raul Eduardo Ayala, Thomas Joseph Fyve, Amy Rene Freshour, David Woodruff, Peter D. Phelps +1 more |
2003-10-07 |
$51,954,000 |
| 6251354 |
Process for recovering sodium nitrite |
Robert E. Greenwell, Thomas Link Guggenheim, Roy Ray Odle, Jimmy Lynn Webb |
2001-06-26 |
$99,513,000 |
| 5030773 |
Process for the production of butanediol |
Richard T. Miskinis, Richard A. Shafer |
1991-07-09 |
$21,102,000 |
| 4652685 |
Hydrogenation of lactones to glycols |
James Norman Cawse, Michael T. Whitaker |
1987-03-24 |
$14,821,000 |
