Matthews; William A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Matthews; William A..The latest application filed is for "producing a polyethylene polymer".
- Matthews; William A. - Hilton Head Island SC
- Matthews; William A. - Victoria TX US
| Patent | Date |
|---|---|
| Producing a polyethylene polymer Grant 11,421,054 - Bernal , et al. August 23, 2 | 2022-08-23 |
| Methods for controlling polymer properties Grant 11,267,918 - Goode , et al. March 8, 2 | 2022-03-08 |
| Producing a polyethylene polymer Grant 11,014,998 - Bernal , et al. May 25, 2 | 2021-05-25 |
| Producing A Polyethylene Polymer App 20210047445 - Bernal; Samuel ; et al. | 2021-02-18 |
| Producing A Polyethylene Polymer App 20200079886 - Bernal; Samuel ; et al. | 2020-03-12 |
| Methods For Controlling Polymer Properties App 20190161568 - Goode; Mark G. ; et al. | 2019-05-30 |
| Methods for controlling polymer properties Grant 10,227,428 - Goode , et al. | 2019-03-12 |
| Closed reactor transitions between metallocene catalysts Grant 10,221,254 - Locklear , et al. | 2019-03-05 |
| Closed Reactor Transitions Between Metallocene Catalysts App 20180079836 - Locklear; Brandon C. ; et al. | 2018-03-22 |
| Methods For Controlling Polymer Properties App 20160297907 - Goode; Mark G. ; et al. | 2016-10-13 |
| Catalyst feed systems and methods for using the same Grant 8,496,882 - Matthews , et al. July 30, 2 | 2013-07-30 |
| Catalyst Feed Systems and Methods for Using the Same App 20120219463 - Matthews; William A. ; et al. | 2012-08-30 |
| Catalyst feed systems and methods for using the same Grant 8,206,654 - Matthews , et al. June 26, 2 | 2012-06-26 |
| Catalyst Feed Systems and Methods for Using the Same App 20100324233 - Matthews; William A. ; et al. | 2010-12-23 |
| Gas-phase polymerization process to achieve a high particle density Grant 7,714,082 - Cai , et al. May 11, 2 | 2010-05-11 |
| Gas-phase polymerization process to achieve a high particle density App 20070078239 - Cai; Ping ; et al. | 2007-04-05 |
| Method for sonic cleaning of reactor with reduced acoustic wave cancellation App 20060130870 - Cai; Ping ; et al. | 2006-06-22 |
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