Issued Patents All Time
Showing 26–50 of 148 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7547756 | Benzimidazole-containing sulfonated polyethersulfones | Joyce Hung, Hongyi Zhou, Marianne Elisabeth Harmon, Daniel Steiger, Hongwei Liu +1 more | 2009-06-16 |
| RE40508 | Thermally stable polymers, method of preparation, and articles made therefrom | Joseph Anthony Suriano, Taeseok Jang, Tiberiu Mircea Sielovan, Edward Pickett, Gregory Allen O'Neil | 2008-09-16 |
| 7393914 | Polyethersulfone compositions | David Roger Moore, Hongyi Zhou, Daniel Steiger, Joyce Hung, Hongwei Liu +1 more | 2008-07-01 |
| 7381331 | Hydrophilic membrane and associated method | Hieu Minh Duong, Hongyi Zhou, Rainer Koeniger, Daniel R. Olson, Karmin Lorraine Olson | 2008-06-03 |
| 7273919 | High heat polyethersulfone compositions | Daniel Steiger, Farid Fouad Khouri, Amy Koren | 2007-09-25 |
| 7268237 | Direct dianhydride synthesis | James Anthony Cella, Qing Ye, Kwok Pong Chan | 2007-09-11 |
| 7115785 | Method for making salts hydroxy-substituted hydrocarbons | Thomas Link Guggenheim, David Woodruff, Lee H. Bergman, Norman Johnson, Matthew Hal Littlejohn +1 more | 2006-10-03 |
| 7071282 | Benzimidazole diamine-based polyetherimide compositions and methods for making them | Havva Acar | 2006-07-04 |
| RE38995 | Interfacial method of preparing ester-substituted diaryl carbonates | Patrick Joseph McCloskey, Timothy Brydon Burnell, Elliott West Shanklin, Paul Michael Smigelski, Jr., Ganesh Kailasam | 2006-02-28 |
| 6960641 | Method of making block copolymers by solid state polymerization | Gregory Allen O'Neil, James Day, Joseph Anthony Suriano, Patrick Joseph McCloskey, Paul Michael Smigelski, Jr. | 2005-11-01 |
| 6930164 | Telechelic ionomeric polyester and method of preparation thereof | Corrado Berti, Martino Colonna, Maurizio Fiorini, Laura Sisti | 2005-08-16 |
| 6919418 | Approach to reduce cyclics formation in 3-CIPA based polyetherimide polymers | Farid Fouad Khouri, Donald S. Johnson | 2005-07-19 |
| 6861482 | Weatherable, thermostable polymers having improved flow composition | Tiberiu Mircea Siclovan, Paul Dean Sybert | 2005-03-01 |
| 6849706 | Copolyetherimides | Havva Acar, Farid Fouad Khouri, William D. Richards | 2005-02-01 |
| 6828410 | Method for preparing poly(cyclohexane-1,4-dicarboxylate)s from cyclohexane-1,4-dicarboxylic acid, and composition | Corrado Berti, Annamaria Celli, Martino Colonna, Maurizio Fiorini, Elisabetta Marianucci +4 more | 2004-12-07 |
| 6790934 | Method for purification of aromatic polyethers | Norman Johnson, Raul Eduardo Ayala, Thomas Joseph Fyvie, Amy Rene Freshour, David Woodruff +7 more | 2004-09-14 |
| 6727370 | Method for preparing oxydiphthalic anhydrides using bicarbonate as catalyst | Qing Ye | 2004-04-27 |
| 6706897 | Method for preparing oxydiphthalic anhydrides using guanidinium salt as catalyst | Qing Ye | 2004-03-16 |
| 6653434 | Process for the production of polycarbonate | Hans-Peter Brack, James Anthony Cella, Dennis Karlik | 2003-11-25 |
| 6596843 | Thermally stable polymers, method of preparation, and articles made therefrom | Paul Dean Sybert, Gregory Allen O'Neil, Joseph Anthony Suriano, Tiberiu Mircea Siclovan, Zhaohui Su | 2003-07-22 |
| 6576739 | Method of polycarbonate preparation | Peter D. Phelps, Elliott West Shanklin | 2003-06-10 |
| 6570038 | Aqueous hexasubstituted guanidinium chlorides and methods for their preparation and use | Joseph John Caringi, Peter D. Phelps, Thomas Link Guggenheim | 2003-05-27 |
| 6562937 | Continuous preparation of polycarbonate | James Manio Silva, David Michel Dardaris, Thomas Joseph Fyvie | 2003-05-13 |
| 6559270 | Weatherable block copolyestercarbonates and blends containing them, and method | Tiberiu Mircea Siclovan, Jimmy Lynn Webb, Sterling B. Brown, Donald Joseph Buckley, James Edward Pickett +5 more | 2003-05-06 |
| 6548623 | Method of polycarbonate preparation | Patrick Joseph McCloskey, Paul Michael Smigelski, Jr., Timothy Brydon Burnell, Ganesh Kailasam | 2003-04-15 |