Inventor
BERGER PAUL DANIEL
US14 patents
⚠️ This page may combine multiple inventors who share the name “BERGER PAUL DANIEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BERGER PAUL DANIEL
7 patentsUS8714247B1May 6, 2014
Sulfonated amphoteric surfactants for IOR
BERGER PAUL DANIEL20 citations90
US10604694B1Mar 31, 2020
Process and composition for sand and proppant flowback
BERGER PAUL DANIEL11 citations84
US7556098B2Jul 7, 2009
Oil recovery method employing amphoteric surfactants
BERGER PAUL DANIEL12 citations82
US8389448B1Mar 5, 2013
Anionic ether amines and process for using same
BERGER PAUL DANIEL2 citations61
US7427588B2Sep 23, 2008
Ether sulfonate surfactants and process for making same
BERGER PAUL DANIEL6 citations61
US8680313B1Mar 25, 2014
Sulfonated amphoteric surfactants
BERGER PAUL DANIEL1 citations49
US7678937B2Mar 16, 2010
Polyalkylated arylalkyl sulfonic acids and their salts
BERGER PAUL DANIEL0 citations45
OIL CHEM TECHNOLOGIES
5 patentsUS7998911B1Aug 16, 2011
Environmental friendly fracturing and stimulation composition and method of using the same
OIL CHEM TECHNOLOGIES75 citations96
US7373977B1May 20, 2008
Process for oil recovery employing surfactant gels
OIL CHEM TECHNOLOGIES64 citations96
US7629299B2Dec 8, 2009
Process for recovering residual oil employing alcohol ether sulfonates
OIL CHEM TECHNOLOGIES70 citations94
US7863476B1Jan 4, 2011
Multifunctional anionic surfactants
OIL CHEM TECHNOLOGIES5 citations61
US7605287B2Oct 20, 2009
Polyalkylated arylalkyl sulfonic acids and their salts
OIL CHEM TECHNOLOGIES1 citations51