Oxygen partial pressure regulation by use of organic oxygen-buffering materials such as transition metal salens in hermetically sealed electronic devices environment and related assemblies and methods
US-12580006-B2 · Mar 17, 2026 · US
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Zhou Chun patents
Zhou Chun is listed as an inventor on 14 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Zhou Chun |
| Total patents | 14 |
| First publication | Apr 20, 2017 |
| Latest publication | Mar 17, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Oxygen partial pressure regulation by use of organic oxygen-buffering materials such as transition metal salens in hermetically sealed electronic devices environment and related assemblies and methods
US-2026004818-A1 · Jan 1, 2026 · US
High density and high temperature emulsifier for use in an oil based drilling fluid system
US-10829680-B2 · Nov 10, 2020 · US
Shale inhibitors used in the water-based fluid for shale formation
US-10787602-B2 · Sep 29, 2020 · US
Thinner for oil-based drilling fluids
US-10723929-B2 · Jul 28, 2020 · US
Thinner for oil-based drilling fluids
US-10723931-B2 · Jul 28, 2020 · US
Shale inhibitors used in the water-based fluid for shale formation
US-2019382642-A1 · Dec 19, 2019 · US
High density and high temperature emulsifier for use in an oil based drilling fluid system
US-2019256760-A1 · Aug 22, 2019 · US
High density and high temperature emulsifier for use in an oil based drilling fluid system
US-10280357-B2 · May 7, 2019 · US
High density and high temperature emulsifier for use in an oil based drilling fluid system
US-2018142134-A1 · May 24, 2018 · US
Recent patents
Latest publications not already listed above.
High density and high temperature emulsifier for use in an oil based drilling fluid system
US-9909050-B2 · Mar 6, 2018 · US
Thinner for oil-based drilling fluids
US-2017145286-A1 · May 25, 2017 · US
Thinner for oil-based drilling fluids
US-2017145281-A1 · May 25, 2017 · US
High density and high temperature emulsifier for use in an oil based drilling fluid system
US-2017107418-A1 · Apr 20, 2017 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Cnpc Usa Corp | 13 |
| Beijing Huamei Inc Cnpc | 2 |
| Western Digital Tech Inc | 2 |
| Beijing Huamei Inc | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C09K8/035 | 8 |
| C09K8/34 | 6 |
| C09K8/32 | 4 |
| E21B21/062 | 4 |
| C09K8/36 | 4 |