Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6482886 | Method for externally sizing fibrous materials | Malcolm Finlayson, Kenneth E. Springs, John J. Gathers, James L. Cooper, Brian H. Schumann +1 more | 2002-11-19 |
| 5447603 | Process for removing metal ions from liquids | Robert J. Michalowski, Steven H. Christiansen, R. Keith Frank, Teresa Littleton, Jaime Simon +1 more | 1995-09-05 |
| 5326629 | Porous polymer fiber filters | Milton S. Wing | 1994-07-05 |
| 5320905 | Ionomers of ethylene/carboxylic acid copolymers | Thomas J. McKeand | 1994-06-14 |
| 5176833 | Filters employing particulate porous polymers | Thomas J. McKeand, Jr. | 1993-01-05 |
| 5133864 | Filters employing particulate porous polymers | Thomas J. McKeand, Jr. | 1992-07-28 |
| 5082697 | Polymer salt complex for fiber or fabric treatment | Robert T. Patton, David M. Hall | 1992-01-21 |
| 5059629 | Biocidal foams | Robert T. Patton, Thomas J. McKeand, Jr. | 1991-10-22 |
| 5006267 | Biocidal fluid filters | Thomas J. McKeand, Jr., Robert T. Patton | 1991-04-09 |
| 5004760 | Biocidal foams | Robert T. Patton, Thomas J. McKeand, Jr. | 1991-04-02 |
| 4789386 | Metal ionomer membranes for gas separation | Marinda L. Wu | 1988-12-06 |
| 4766036 | Process for producing porous fibers from orientable olefin polymers having cation-containing, pendent reactive side-groups and the resultant product | Milton S. Wing | 1988-08-23 |
| 4747954 | Removal of metals from solutions | Rafael E. Guerra | 1988-05-31 |
| 4747957 | Brine treatment using ethylene carboxylic acid polymers | Harry S. Burney, Jr., Robert D. Spradling, Robert R. Frable | 1988-05-31 |
| 4687824 | Quaternary ammonium polymers | — | 1987-08-18 |
| 4661634 | Removal of impurities from amines | Milton S. Wing | 1987-04-28 |
| 4596888 | Quaternary ammonium monomers | — | 1986-06-24 |
| 4308363 | Halogenation of organic polymers having anhydride groups | — | 1981-12-29 |
| 4302563 | Reactive cyclobutanone-containing polymers and method for preparing same | — | 1981-11-24 |
| 4181566 | Cellulosic materials internally sized with ammoniated acid copolymers and epihalohydrin/alkylamine reaction products | James A. Allen | 1980-01-01 |