Large hydrophobe surfactants
US-9988346-B2 · Jun 5, 2018 · US
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Weerasooriya Upali P patents
Weerasooriya Upali P holds 3 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 3 |
| Recent patents | 0 |
| First publication | Aug 18, 2015 |
| Latest publication | Jun 5, 2018 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Large hydrophobe surfactants
US-9988346-B2 · Jun 5, 2018 · US
Surfactant-less alkaline-polymer formulations for recovering reactive crude oil
US-9175207-B2 · Nov 3, 2015 · US
Compositions and methods for controlling the stability of ethersulfate surfactants at elevated temperatures
US-9109152-B2 · Aug 18, 2015 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| C09K8/584 | 2 |
| C09K8/588 | 1 |
| C07C69/003 | 1 |
| C07C69/708 | 1 |
| C07C309/10 | 1 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Chemistry & Metallurgy | 3 |