Issued Patents All Time
Showing 1–25 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9777118 | Methods of manufacture of salts of hydroxy-substituted aromatic compounds and polyetherimides | Mani Raj Chaulagain | 2017-10-03 |
| 9127127 | Polyetherimide compositions, methods of manufacture, and articles formed therefrom | Thomas Link Guggenheim, Roy Ray Odle | 2015-09-08 |
| 8592548 | Method to prepare bis(haloimides) | John Yupeng Gui, Norman Johnson, Thomas Link Guggenheim, David Woodruff, James Manio Silva | 2013-11-26 |
| 8524854 | Chloro-substituted polyetherimides having improved relative thermal index | Hendrich Chiong, Thomas Link Guggenheim, Matthew L. Kuhlman, Miguel Angel Navarro de Castro, Roy Ray Odle +1 more | 2013-09-03 |
| 7981996 | Method of making bisimides | Albert Santo Stella | 2011-07-19 |
| 7928155 | Compositions and methods for polymer composites | Feng Cao, Kwok Pong Chan, Erik Hagberg, Tara J. Mullen, Roy Ray Odle +2 more | 2011-04-19 |
| 7915332 | Compositions and methods for polymer composites | Kwok Pong Chan, Joshua Croll, Balakrishnan Ganesan, Marcus J. Harrigan, Gurram Kishan +4 more | 2011-03-29 |
| 7842188 | Method for removal of guanidine compound from aqueous media | David Bruce Hall, Thomas Link Guggenheim, James Manio Silva, Matthew Hal Littlejohn, Balakrishnan Ganesan +2 more | 2010-11-30 |
| 7772435 | Method of forming a dry quaternary ammonium salt mixture | Thomas Link Guggenheim, Paul Edward Howson, Lioba Maria Kloppenburg, Matthew Hal Littlejohn, Jacob Lee Oberholtzer +3 more | 2010-08-10 |
| 7714095 | Phase transfer catalyzed method for preparation of polyetherimides | Daniel J. Brunelle, Havva Acar, Thomas Link Guggenheim, David Woodruff, Norman Johnson | 2010-05-11 |
| 7481959 | Method for controlling haze in an article comprising a polymer composition | William D. Richards, Thomas Link Guggenheim | 2009-01-27 |
| 7273919 | High heat polyethersulfone compositions | Daniel Steiger, Daniel J. Brunelle, Amy Koren | 2007-09-25 |
| 7230066 | Polycarbonate—ultem block copolymers | Julia Lam Lee, Sheldon J. Shafer | 2007-06-12 |
| 7115785 | Method for making salts hydroxy-substituted hydrocarbons | Thomas Link Guggenheim, Daniel J. Brunelle, David Woodruff, Lee H. Bergman, Norman Johnson +1 more | 2006-10-03 |
| 7053168 | Method for preparing polyimide and polyimide prepared thereby | Norberto Silvi, Mark Howard Giammattei, Paul Edward Howson | 2006-05-30 |
| 6919418 | Approach to reduce cyclics formation in 3-CIPA based polyetherimide polymers | Daniel J. Brunelle, Donald S. Johnson | 2005-07-19 |
| 6906168 | Process for fractionation/concentration to reduce the polydispersivity of polymers | Paul Edward Howson | 2005-06-14 |
| 6849706 | Copolyetherimides | Daniel J. Brunelle, Havva Acar, William D. Richards | 2005-02-01 |
| 6831123 | Ionomeric polyester compositions containing organoclays, and method | Bret Ja Chisholm | 2004-12-14 |
| 6670487 | Method for removing impurities from oxidation products | Robert Edgar Colborn | 2003-12-30 |
| 6469087 | Stabilization of polymer blends | Navjot Singh | 2002-10-22 |
| 6423768 | Polymer-organoclay composite compositions, method for making and articles therefrom | — | 2002-07-23 |
| 6362263 | Poly(phenylene ether)-polyamide resin blends, method, and articles made therefrom | Sterling B. Brown, Norberto Silvi, Mark Howard Giammattei, Navjot Singh | 2002-03-26 |
| 6350804 | Compositions with enhanced ductility | Adeyinka Adedeji, John R. Campbell, Patrick Rodgers | 2002-02-26 |
| 6235866 | Slurry preparation of bis (halophthalimides) and of polyether polymers | Ganesh Kailasam, Joseph John Caringi, Peter D. Phelps, Paul Edward Howson | 2001-05-22 |