Neff; Roger E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Neff; Roger E..The latest application filed is for "high performance dewatering aids".
- Neff; Roger E. - Stamford CT
| Patent | Date |
|---|---|
| High performance dewatering aids Grant 5,405,554 - Neff , et al. April 11, 1 | 1995-04-11 |
| Cross-linked cationic polyermic microparticles Grant 5,340,865 - Neff , et al. August 23, 1 | 1994-08-23 |
| Cross-linked anionic and amphoteric polymeric microparticles Grant 5,171,808 - Ryles , et al. December 15, 1 | 1992-12-15 |
| Cross-linked cationic polymeric microparticles Grant 5,152,903 - Neff , et al. * October 6, 1 | 1992-10-06 |
| Cross-linked cationic polymeric microparticles Grant 4,968,435 - Neff , et al. November 6, 1 | 1990-11-06 |
| Polyacrylamide and polyacrylic acid polymers Grant 4,622,356 - Jarovitzky , et al. November 11, 1 | 1986-11-11 |
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