Wayne Errol Evans
35Patents
12h-index
24Co-inventors
81Inventor score
Filing activity: Aug 5, 1986 → Sep 22, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5597773A | Ethylene oxide catalyst and process | Emerging Cross-Sectional Technologies | 73 | Expired |
| US5703253A | Ethylene oxide catalyst and process | Emerging Cross-Sectional Technologies | 49 | Expired |
| US5418202A | Ethylene oxide catalyst and process | Emerging Cross-Sectional Technologies | 44 | Expired |
| US4804802A | Isomerization process with recycle of mono-methyl-branched paraffins and normal paraffins | Chemistry; Metallurgy | 40 | Expired |
| US7102022B2 | Method for the start-up of an epoxidation process and a process for the epoxidation of an olefin | Chemistry; Metallurgy | 34 | Expired |
| US4717784A | Total isomerization process with mono-methyl-branched plus normal paraffin recycle stream | Chemistry; Metallurgy | 33 | Expired |
| US6717001B2 | Process for operating the epoxidation of ethylene | Emerging Cross-Sectional Technologies | 29 | Expired |
| US6372925B1 | Process for operating the epoxidation of ethylene | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4795623A | Time effective method for preparing ferrierite | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4855529A | Isomerization process with preliminary normal paraffin and mono-methyl paraffin feed capture step | Chemistry; Metallurgy | 14 | Expired |
| US5840932A | Process for ethylene oxide production | Chemistry; Metallurgy | 13 | Expired |
| US4942027A | Method for preparing ferrierite | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4960507A | Two-step heterocyclic nitrogen extraction from petroleum oils | Chemistry; Metallurgy | 11 | Expired |
| US8546592B2 | Olefin epoxidation process | Chemistry; Metallurgy | 10 | Active |
| US7348444B2 | Process for the production of an olefin oxide | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4797266A | Method of preparation of a combined ZSM-5-ferrierite aluminosilicate | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4982048A | Isomerization process with preliminary normal paraffin and mono-methyl paraffin feed capture step | Chemistry; Metallurgy | 6 | Expired |
| US4960508A | Two-step heterocyclic nitrogen extraction from petroleum oils | Chemistry; Metallurgy | 5 | Expired |
| US8193374B2 | Process for the preparation of alkylene carbonate and/or alkylene glycol | Emerging Cross-Sectional Technologies | 5 | Active |
| US10525409B2 | Processes and systems for removing a vinyl iodide impurity from a recycle gas stream in the production of ethylene oxide | Emerging Cross-Sectional Technologies | 2 | Active |
| US10526300B2 | Processes and systems for removing iodide impurities from a recycle gas stream in the production of ethylene oxide | Emerging Cross-Sectional Technologies | 2 | Active |
| US9174928B2 | Process for improving the selectivity of an EO catalyst | Emerging Cross-Sectional Technologies | 2 | Active |
| US9527787B2 | Process for the preparation of alkylene carbonate and/or alkylene glycol | Emerging Cross-Sectional Technologies | 1 | Active |
| US11000819B2 | Guard bed system and process | Performing Operations; Transporting | 1 | Active |
| US10450287B2 | Processes and systems for removing an alkyl iodide impurity from a recycle gas stream in the production of ethylene oxide | Performing Operations; Transporting | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.