William A. Matthews
12Patents
3h-index
26Co-inventors
60Inventor score
Filing activity: Mar 21, 1997 → Dec 16, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5844054A | Process control in the presence of chromium based catalysts | Chemistry; Metallurgy | 10 | Expired |
| US8480058B2 | Sheet material lifts | Fixed Constructions | 5 | Active |
| US10227428B2 | Methods for controlling polymer properties | Chemistry; Metallurgy | 3 | Active |
| US8496882B2 | Catalyst feed systems and methods for using the same | Emerging Cross-Sectional Technologies | 2 | Active |
| US10870719B2 | Polymer flow index modifier | Chemistry; Metallurgy | 1 | Active |
| US8206654B2 | Catalyst feed systems and methods for using the same | Emerging Cross-Sectional Technologies | 1 | Active |
| US7714082B2 | Gas-phase polymerization process to achieve a high particle density | Emerging Cross-Sectional Technologies | 1 | Expired |
| US11421054B2 | Producing a polyethylene polymer | Chemistry; Metallurgy | 0 | Active |
| US11267918B2 | Methods for controlling polymer properties | Chemistry; Metallurgy | 0 | Active |
| US10221254B2 | Closed reactor transitions between metallocene catalysts | Chemistry; Metallurgy | 0 | Active |
| US11014998B2 | Producing a polyethylene polymer | Chemistry; Metallurgy | 0 | Active |
| US11655316B2 | Polymer flow index modifier | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.