Individual holder
WEERASOORIYA UPALI P
US·7 granted patents·1 pending application·98 citations·filing 2010–2014
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
8 records- 0196US8211837B2Method of manufacture and use of large hydrophobe ether sulfate surfactants in enhanced oil recovery (EOR) applicationsWEERASOORIYA UPALI P·Filed 2010·Granted Jul 3, 2012·52 cites·51 claims
- 0296US8188012B2Process of using hard brine at high alkalinity for enhanced oil recovery (EOR) applicationsWEERASOORIYA UPALI P·Filed 2010·Granted May 29, 2012·23 cites·49 claims
- 0395US8841241B2Anionic polyalkoxy group comprising surfactants on basis of guerbet-alcohols, method of manufacture and use in enhanced oil recovery (EOR) applicationsWEERASOORIYA UPALI P·Filed 2011·Granted Sep 23, 2014·19 cites·35 claims
- 0478US9109152B2Compositions and methods for controlling the stability of ethersulfate surfactants at elevated temperaturesWEERASOORIYA UPALI P·Filed 2010·Granted Aug 18, 2015·3 cites·38 claims
- 0573US8822391B2Alkoxy carboxylate surfactantsWEERASOORIYA UPALI P·Filed 2011·Granted Sep 2, 2014·1 cites·45 claims
- 0659US2014323369A1Use of amines in heavy oil transportWEERASOORIYA UPALI P·Filed 2014·Application pending·0 cites
- 0743US9175207B2Surfactant-less alkaline-polymer formulations for recovering reactive crude oilWEERASOORIYA UPALI P·Filed 2011·Granted Nov 3, 2015·0 cites·50 claims
- 0840US9988346B2Large hydrophobe surfactantsWEERASOORIYA UPALI P·Filed 2012·Granted Jun 5, 2018·0 cites·30 claims
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