Assignee
BERGER PAUL DANIEL
US·7 granted patents·5 pending applications·52 citations·filing 2007–2019
Top patents by PatentIndex Score
12 records- 0195US10604694B1Process and composition for sand and proppant flowbackBERGER PAUL DANIEL·Filed 2019·Granted Mar 31, 2020·11 cites·7 claims
- 0294US8714247B1Sulfonated amphoteric surfactants for IORBERGER PAUL DANIEL·Filed 2013·Granted May 6, 2014·20 cites·7 claims
- 0385US7556098B2Oil recovery method employing amphoteric surfactantsBERGER PAUL DANIEL·Filed 2007·Granted Jul 7, 2009·12 cites·12 claims
- 0485US7427588B2Ether sulfonate surfactants and process for making sameBERGER PAUL DANIEL·Filed 2007·Granted Sep 23, 2008·6 cites·3 claims
- 0573US8389448B1Anionic ether amines and process for using sameBERGER PAUL DANIEL·Filed 2012·Granted Mar 5, 2013·2 cites·7 claims
- 0670US8680313B1Sulfonated amphoteric surfactantsBERGER PAUL DANIEL·Filed 2013·Granted Mar 25, 2014·1 cites·1 claims
- 0755US7678937B2Polyalkylated arylalkyl sulfonic acids and their saltsBERGER PAUL DANIEL·Filed 2007·Granted Mar 16, 2010·0 cites·8 claims
- 0847US2008261835A1Surfactant based compositions and process for heavy oil recoveryBERGER PAUL DANIEL·Filed 2008·Application pending·0 cites
- 0946US2008312108A1Compositions and process for recovering subterranean oil using green non-toxic biodegradable strong alkali metal salts of polymerized weak acidsBERGER PAUL DANIEL·Filed 2007·Application pending·0 cites
- 1046US2008196893A1Process for oil recovery using mixed surfactant compositionBERGER PAUL DANIEL·Filed 2007·Application pending·0 cites
- 1145US2007191633A1Mixed anionic surfactant composition for oil recoveryBERGER PAUL DANIEL·Filed 2007·Application pending·0 cites
- 1243US2012285691A1Permeability modification and water shut off composition and processBERGER PAUL DANIEL·Filed 2012·Application pending·0 cites
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