Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8882964 | Furnish pretreatment to improve paper strength aid performance in papermaking | Yulin Zhao, Jun Li, Qing Long Rao | 2014-11-11 |
| 8858759 | Enhancement of sheet dewatering using soy flour or soy protein | Prasad Y. Duggirala, Luiz Wanderley Bratfisch Pace | 2014-10-14 |
| 8778140 | Preflocculation of fillers used in papermaking | Katherine M. Broadus, Dorota Smoron, Shawnee M. Wilson | 2014-07-15 |
| 8747617 | Controllable filler prefloculation using a dual polymer system | Ross T. Gray | 2014-06-10 |
| 8709208 | Method to increase dewatering, sheet wet web strength and wet strength in papermaking | Yulin Zhao, Jun Li, Qing Long Rao | 2014-04-29 |
| 8658842 | Process for producing ethylene glycol catalyzed by ionic liquid | Suojiang Zhang, Jian Sun, Jinquan Wang, Jianxin Zhang, Zengzeng Fu +1 more | 2014-02-25 |
| 8647472 | Method of increasing filler content in papermaking | Ross T. Gray | 2014-02-11 |
| 8465623 | Method of improving dewatering efficiency, increasing sheet wet web strength, increasing sheet wet strength and enhancing filler retention in papermaking | Yulin Zhao, Jun Li, Qing Long Rao | 2013-06-18 |
| 8382950 | Recycling of waste coating color | — | 2013-02-26 |
| 8172983 | Controllable filler prefloculation using a dual polymer system | Ross T. Gray | 2012-05-08 |
| 8088213 | Controllable filler prefloculation using a dual polymer system | Ross T. Gray | 2012-01-03 |
| 8088250 | Method of increasing filler content in papermaking | Jun Li, Yulin Zhao, Qing Long Rao | 2012-01-03 |