Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9968920 | Strong acid catalyst composition | Daryl J. Gisch, Dennis A. Keeley, Marvin K. Tegen, Robert J. Olsen, Jose Antonio Trejo-O'Reilly | 2018-05-15 |
| 9321871 | Water insoluble copolymer including pendant aryl epoxide groups | Alfred K. Schultz, Gregoire Cardoen, William J. Harris, Charles R. Marston, David J. Moll | 2016-04-26 |
| 8742055 | Production of epoxy resins using improved ion exchange resin catalysts | Philip J. Carlberg, H. Robert Goltz, Leming Gu, David H. West, William G. Worley +1 more | 2014-06-03 |
| 8686055 | Shell functionalized ion exchange resins | — | 2014-04-01 |
| 8273799 | Amination of vinyl aromatic polymers with tertiary amines | Dennis A. Keeley, Daryl J. Gisch, Marvin H. Tegen, James A. Jagodzinski, David Charles McDonald | 2012-09-25 |
| 8163138 | Method for processing effluent from chloromethylation of vinyl aromatic polymers | Bruce S. Holden, Doreen C. Keptner, David Charles McDonald | 2012-04-24 |
| 7497952 | Methods of preparing a surface-activated titanium oxide product and of using same in water treatment processes | Xiaoguang Meng, Mazakhir Dadachov, George Korfiatis, Christos Christodoulatos, David J. Moll +6 more | 2009-03-03 |
| 7473369 | Methods of preparing a surface-activated titanium oxide product and of using same in water treatment processes | Xiaoguang Meng, Mazakhir Dadachov, George Korfiatis, Christos Christodoulatos, David J. Moll +6 more | 2009-01-06 |
| 7084270 | Pyrimido compounds having antiproliferative activity | Yi Chen, Andrzej Robert Daniewski, Marek Michal Kabat, Emily Aijun Liu, Jin-Jun Liu +2 more | 2006-08-01 |
| 6642241 | Alkylamino-substituted bicyclic nitrogen heterocycles | James Patrick Dunn, David Michael Goldstein, Ian Edward David Smith, Teresa Rosanne Welch | 2003-11-04 |
| 6451804 | Heteroalkylamino-substituted bicyclic nitrogen heterocycles | James Patrick Dunn, Lawrence Emerson Fisher, David Michael Goldstein, Christopher Huw Hill, Ian Edward David Smith +1 more | 2002-09-17 |
| 6150373 | Bicyclic nitrogen heterocycles | Christopher Huw Hill, Ian Edward David Smith | 2000-11-21 |
| 5721230 | Substituted pyrroles | Christopher Huw Hill, Geoffrey Lawton | 1998-02-24 |
| 5663455 | Process for conducting etherification reactions using as catalysts strong-acid, cation-exchange resins prepared under high temperature conditions | Rex R. Stevens | 1997-09-02 |
| 5616622 | Crosslinked seeded copolymer beads and process of manufacture | Robert L. Sammler | 1997-04-01 |
| 5585408 | Crosslinked seeded copolymer beads and process of manufacture | Robert L. Sammler | 1996-12-17 |
| 5244926 | Preparation of ion exchange and adsorbent copolymers | Suresh Subramonian | 1993-09-14 |
| 5231115 | Seeded porous copolymers and ion-exchange resins prepared therefrom | — | 1993-07-27 |
| 5081160 | Method of preparing uniform size ion exchange resin particles by partial functionalization | Robert M. Strom, Antonio Dorta, Natalie N. Westphal, Robert E. Gaidos | 1992-01-14 |
| 5068255 | Ion exchange resins prepared by sequential monomer addition | — | 1991-11-26 |
| 4758413 | Reactive resins useful for precious metal recovery | James R. Stahlbush | 1988-07-19 |
| 4564644 | Ion exchange resins prepared by sequential monomer addition | — | 1986-01-14 |