Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6451944 | Continuous, solvent-free process for making copolymers of maleic anhydride and C1−4 alkyl vinyl ether | Jeffrey M. Cohen, John Zamora, Krystyna Plochocka, Jeffrey Lynn | 2002-09-17 |
| 6365691 | Continuous, solvent-free process for making terpolymers of maleic anhydride, C1-4 alkyl vinyl ether and isobutylene | Jeffrey M. Cohen, John Zamora, Krystyna Plochocka, Jeffrey Lynn | 2002-04-02 |
| 5972329 | Fixative polymers | Jui-Chang Chuang, Jenn S. Shih | 1999-10-26 |
| 5645859 | Process for producing an alpha or beta-hydroxy acid-vinylpyrrolidone polymer, copolymer or graft polymer complex in the form of free-flowing powders having a high acid loading | Ratan K. Chaudhuri, John J. Merianos | 1997-07-08 |
| 5329021 | Process for the production of pure vinyl pyrrolidone | Jeffrey M. Cohen | 1994-07-12 |
| 5206385 | Urea-hydrogen peroxide-polyvinylpyrrolidone process | Robert B. Login, John J. Merianos, Paul Garelick | 1993-04-27 |
| 5183901 | Urea-hydrogen peroxide-polyvinylpyrrolidone | Robert B. Login, John J. Merianos, Paul Garelick | 1993-02-02 |
| 5177113 | Free-standing, porous foam PVP:H.sub.2 O.sub.2 product | Jeffrey M. Cohen, John J. Merianos, Paul D. Taylor | 1993-01-05 |
| 5077047 | Process for producing PVP-H2O2 products in the form of free-flowing powders | Jeffrey M. Cohen, John J. Merianos, Paul D. Taylor | 1991-12-31 |