Papakonstantopoulos; George J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Papakonstantopoulos; George J..The latest application filed is for "random copolymer oil return agents".
- Papakonstantopoulos; George J. - King of Prussia PA
| Patent | Date |
|---|---|
| Random copolymer oil return agents Grant 9,062,236 - Van Horn , et al. June 23, 2 | 2015-06-23 |
| Block copolymer oil return agents Grant 8,623,235 - Van Horn , et al. January 7, 2 | 2014-01-07 |
| Random Copolymer Oil Return Agents App 20120223269 - Van Horn; Brett L. ; et al. | 2012-09-06 |
| Block Copolymer Oil Return Agents App 20110006248 - Van Horn; Brett L. ; et al. | 2011-01-13 |
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