Associated copolymer and preparation method thereof, and drilling fluid
US-9719005-B2 · Aug 1, 2017 · US
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Sun Xiaolei patents
Sun Xiaolei is listed as an inventor on 2 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Sun Xiaolei |
| Total patents | 2 |
| First publication | Apr 27, 2017 |
| Latest publication | Aug 1, 2017 |
Notable patents
Publications ranked by popularity score, then publication date.
Recent patents
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| China Petroleum & Chem Corp | 2 |
| Fushun Res Inst Petroleum & Petrochemicals Sinopec Corp | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C08F220/56 | 2 |
| C08F222/38 | 2 |
| C09K8/608 | 2 |
| C09K8/035 | 2 |
| C09K8/24 | 2 |