Assignee
DOAN ANGELA ANH
US·2 granted patents·2 citations·filing 2020–2022
Top patents by PatentIndex Score
2 records- 0177US11268010B2Methods of cementing a wellbore without using a spacer fluid with an alkyl end-capped ethoxylated fatty alcoholDOAN ANGELA ANH·Filed 2020·Granted Mar 8, 2022·2 cites·19 claims
- 0263US11814572B2Methods of cementing a wellbore without using a spacer fluid with a chain extended non-ionic surfactantDOAN ANGELA ANH·Filed 2022·Granted Nov 14, 2023·0 cites·13 claims
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