Issued Patents All Time
Showing 25 most recent of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12304981 | Polymerization using a spiral heat exchanger | Kevin W. Lawson, Peijun Jiang, Gabor Kiss | 2025-05-20 |
| 12291676 | Process for melting plastic for subsequent feeding to a processor via a melt pump | — | 2025-05-06 |
| 11945888 | Solution polymerization process and product control using effluent density | Yifeng Hong | 2024-04-02 |
| 11708434 | Silica quenching agents for use in polymerization process | Yifeng Hong, John R. Hagadorn | 2023-07-25 |
| 11629214 | Producing blocks of block copolymer in a separator downstream of a reactor | Yifeng Hong, Shanshan Zhang | 2023-04-18 |
| 11530279 | Broad molecular weight distribution polymer product from loop reactors with intentional thermal gradients | Yifeng Hong | 2022-12-20 |
| 11525041 | Process for producing polymers | Yifeng Hong, Anthony J. Dias, John R. Hagadorn | 2022-12-13 |
| 11492427 | Production of gradient copolymers using monomer and comonomer concentration gradients in a loop reactor | Yifeng Hong, Shanshan Zhang | 2022-11-08 |
| 11434309 | Controlling molecular weight distribution and chemical composition distribution of a polyolefin product | Yifeng Hong, Jun Shi | 2022-09-06 |
| 11384174 | Detection of polymer concentration in polymerization process using refractive index measurement | Yifeng Hong | 2022-07-12 |
| 11279775 | Polymerization using a spiral heat exchanger | Kevin W. Lawson, Peijun Jiang, Gabor Kiss | 2022-03-22 |
| 11254629 | Oligomerization reactor wash process using by-product solvent recovered using a thin film evaporator | Michael W. Weber, Larry L. Iaccino, Keith H. Kuechler, John S. Coleman | 2022-02-22 |
| 11213798 | Metallocene catalyst feed system for solution polymerization process | Vetkav R. Eswaran, Keith C. Gallow | 2022-01-04 |
| 11142593 | Lecithin quenching agent | Yifeng Hong, John R. Hagadorn | 2021-10-12 |
| 11130828 | Methods for supplying solid catalysts to a solution polymerization reactor | Peijun Jiang, Robert T. Li | 2021-09-28 |
| 11046793 | Silica quenching agents for use in polymerization process | Yifeng Hong, John R. Hagadorn | 2021-06-29 |
| 10941228 | Polymerization processes using high molecular weight polyhydric quenching agents | Brian R. Greenhalgh | 2021-03-09 |
| 10718571 | Spiral heat exchanger as preheater in polymer devolatilization processes | Yifeng Hong | 2020-07-21 |
| 10654949 | High molecular weight functionalized olefin copolymer quenching agent | Yifeng Hong, John R. Hagadorn | 2020-05-19 |
| 10570224 | Polymerization using a stripping agent for devolatilization | — | 2020-02-25 |
| 10544246 | Methods for supplying solid catalysts to a solution polymerization reactor | Peijun Jiang, Robert T. Li | 2020-01-28 |
| 10450392 | Polymerization processes using high molecular weight polyhydric quenching agents | Brian R. Greenhalgh | 2019-10-22 |
| 9815913 | Process for continuous solution polymerization | Quintin P. W. Costin, Philip M. Duvall | 2017-11-14 |
| 9708428 | Polymerization using a spiral heat exchanger | Kevin W. Lawson, Peijun Jiang, Gabor Kiss | 2017-07-18 |
| 9389161 | On-line FT-NIR method to determine particle size and distribution | — | 2016-07-12 |