Use of multiple charged cationic compounds derived from polyamines for clay stabilization in oil and gas operations
US-11702586-B2 · Jul 18, 2023 · US
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Harkness Kellen patents
Harkness Kellen is listed as an inventor on 6 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Harkness Kellen |
| Total patents | 6 |
| First publication | Mar 5, 2020 |
| Latest publication | Jul 18, 2023 |
Notable patents
Publications ranked by popularity score, then publication date.
Complete removal of solids during hydrogen sulfide scavenging operations using a scavenger and a Michael acceptor
US-11499108-B2 · Nov 15, 2022 · US
Use of multiple charged cationic compounds derived from polyamines for clay stabilization in oil and gas operations
US-2021332288-A1 · Oct 28, 2021 · US
Use of multiple charged cationic compounds derived from polyamines for clay stabilization in oil and gas operations
US-11084974-B2 · Aug 10, 2021 · US
Complete removal of solids during hydrogen sulfide scavenging operations using a scavenger and a michael acceptor
US-2020231888-A1 · Jul 23, 2020 · US
Use of multiple charged cationic compounds derived from polyamines for clay stabilization in oil and gas operations
US-2020071602-A1 · Mar 5, 2020 · US
Recent patents
Latest publications not already listed above.
No data yet.
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Championx Usa Inc | 4 |
| Ecolab Usa Inc | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C09K2208/12 | 4 |
| C04B24/124 | 4 |
| C09K8/68 | 4 |
| C09K8/467 | 4 |
| C09K8/74 | 4 |