Alkoxylated co-solvents
US-10899693-B2 · Jan 26, 2021 · US
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Weerasooriya Upali P patents
Weerasooriya Upali P is listed as an inventor on 25 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Weerasooriya Upali P |
| Total patents | 25 |
| First publication | Feb 19, 2015 |
| Latest publication | Jan 26, 2021 |
Notable patents
Publications ranked by popularity score, then publication date.
Short hydrophobe anionic surfactants
US-10876038-B2 · Dec 29, 2020 · US
Phenol-alkoxylate co-solvent surfactant composition
US-10190035-B2 · Jan 29, 2019 · US
Phenol-alkoxylate co-solvent surfactant composition
US-10167421-B2 · Jan 1, 2019 · US
Light co-solvent compositions
US-10106725-B2 · Oct 23, 2018 · US
Large hydrophobe surfactants
US-9988346-B2 · Jun 5, 2018 · US
Alkyl hydrophobe surfactants
US-9862877-B2 · Jan 9, 2018 · US
Alkoxy carboxylate surfactants
US-9783729-B2 · Oct 10, 2017 · US
Phenol-alkoxylate co-solvent surfactant composition
US-2017166802-A1 · Jun 15, 2017 · US
Light co-solvent compositions
US-2017145293-A1 · May 25, 2017 · US
Recent patents
Latest publications not already listed above.
Alkoxylated co-solvents
US-2016311744-A1 · Oct 27, 2016 · US
Short Hydrophobe Anionic Surfactants
US-2016264847-A1 · Sep 15, 2016 · US
Anionic polyalkoxy group comprising surfactants on basis of guerbet-alcohols, method of manufacture and use in enhanced oil recovery (EOR) applications
US-9296942-B2 · Mar 29, 2016 · US
Novel large hydrophobe quaternary ammonium surfactants
US-2016069168-A1 · Mar 10, 2016 · US
Transport of Heavy Oil
US-2015361324-A1 · Dec 17, 2015 · US
Quaternary ammonium surfactants
US-9206347-B2 · Dec 8, 2015 · US
Surfactant-less alkaline-polymer formulations for recovering reactive crude oil
US-9175207-B2 · Nov 3, 2015 · US
Use of amines in heavy oil transport
US-2015267870-A1 · Sep 24, 2015 · US
High active flowable surfactant blends for detergent and other cleaning applications
US-2015252294-A1 · Sep 10, 2015 · US
High active flowable surfactant blends for enhanced oil recovery
US-2015252247-A1 · Sep 10, 2015 · US
Short chain alkylamine alkoxylate compositions
US-9127210-B2 · Sep 8, 2015 · US
Compositions and methods for controlling the stability of ethersulfate surfactants at elevated temperatures
US-9109152-B2 · Aug 18, 2015 · US
Use of amines in recovery of active oils
US-2015197684-A1 · Jul 16, 2015 · US
Alkoxy carboxylate surfactants
US-2015105301-A1 · Apr 16, 2015 · US
Multivalent mineral cation tolerant alkali system for chemical eor
US-2015048007-A1 · Feb 19, 2015 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Univ Texas | 25 |
| Weerasooriya Upali P | 3 |
| Pope Gary A | 3 |
| Board Of Regents The Univ Of Texas Systems | 1 |
| Basf Se | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C09K8/584 | 19 |
| E21B43/16 | 9 |
| C09K8/588 | 6 |
| C09K8/58 | 6 |
| C07C59/125 | 3 |